Power tool apparatus

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• control means including,
• a control level operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control level at a position corresponding to said desired elevation setting for the saw blade,
• the control level operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and
• means for locking said assembly means to said housing at the desired angle of the saw blade relative to the table top.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever to provide a further elevation adjustment of the tool,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever to provide a further elevation adjustment of the tool,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever thereby providing a further elevation adjustment of the tool,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said subassembly means, and means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said subassembly means to cause pivoting thereof about said second pivot axis,
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever thereby providing a further elevation adjustment of the tool,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said subassembly means and means for uring said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said subassembly means to cause pivoting thereof about said second pivot axis;
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means;
• a first subassembly pivotally mounted on said pivot means and including the tool;
• a second subassembly also pivotally mounted on said pivot means and including a first control means having a control lever for pivoting said second subassembly about said second pivot axis;
• means connecting said first subassembly to said second subassembly whereby said first subassembly and said second subassembly pivot in unison about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, said second subassembly further including locking means for securing said second subassembly at a position corresponding to said first elevation setting for the tool,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing th hand from said lever throughout the complete elevation setting operation;
• and,
• second control means operatively connected to said first subassembly for pivoting said first subassembly about said second pivot axis to effect a further elevation adjustment of the tool,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• frame means,
• pivot means defining a second pivot axis and fixedly connected to said frame means;
• a first subassembly pivotally mounted on said pivot means and including the tool;
• a second subassembly also pivotally mounted on said pivot means and including a first control means having a control lever for pivoting said second subassembly about said second pivot axis;
• means connecting said first subassembly to said second subassembly whereby said first subassembly and said second subassembly pivot in unison about said second pivot axis whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, said second subassembly further including locking means for securing said second subassembly at a position corresponding to said first elevation setting for the tool,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said first subassembly for pivoting said first subassembly about said second pivot axis to effect a further adjustment of the tool,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said first subassembly, and means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said first subassembly to cause pivoting thereof about said second pivot axis,
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a table defining a stationary horizontal work surface for supporting a workpiece and having a slot formed therein;
• an assembly mounted beneath said table;
• motor-driven tool means including a tool pivotally mounted on said assembly;
• said assembly being pivotally mounted beneath said table so as to be movable between a first angular position whereat said tool is movable in a first plane perpendicular to said work surface and a second angular position whereat said tool is movable in a second plane defining an acute angle with said work surface;
• lever control means for selectively raising and lowering the tool in said slot to effect a "coarse" adjustment of the tool relative to said work surface in one of said planes depending upon the angular position of said assembly;
• and,
• vernier means included in said lever control means for effecting a fine adjustment of said tool relative to said stationary horizontal work surface of said table in said one plane.

A power tool apparatus comprising:

• a housing including a tabletop having a slot formed therein;
• a motor-driven tool extending through the slot;
• movable assembly means for the motor-driven tool, mounted in said housing beneath said table top;
• first control means for selectively locking and unlocking said movable assembly means with respect to said table top, said first control means being adapted to be selectively raised and lowered in its unlocked position, thereby selectively raising and lowering the tool to effect a "coarse" adjustment thereof relative to the table top;
• vernier means included in said first control means to effect a "fine" adjustment of the tool relative to the table top thereby providing a one-hand control of the tool elevation;
• and,
• a second control means operatively connected to said movable assembly means to effect a tilting of the rotary axis of the motor-driven tool within certain angular limits and in any selected elevation of the tool, thereby accommodating bevel cuts.

A portable power tool apparatus comprising:

• a compact housing including a work surface having an opening for accommodating a motor-driven tool, and further including handle means for easily carrying the apparatus;
• assembly means including the tool, pivotally mounted in the housing beneath the work surface;
• first control means including lever means, for selectively, raising and lowering the tool in the opening relative to the work surface to effect a "coarse" adjustment of the tool, and further including means for selectively locking and unlocking the lever means at the coarse elevation, said first control means further including vernier control means to effect a "fine" adjustment of the tool relative to the work surface, whereby one-hand control of the tool elevation is effected;
• and,
• second control means operatively connected to said assembly means to effect a tilting of the rotary axis of the tool within certain angular limits and in any selected elevation of the tool.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever, and
• said second control means providing a further elevation adjustment of the saw blade.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said desired elevation setting for the saw blade,
• the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied, and
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever to provide a further elevation adjustment of the saw blade,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said table top is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever to provide a further elevation adjustment of the table saw,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the table saw relative to said table top is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever thereby providing a further elevation adjustment of the saw blade,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said subassembly means, and means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said subassembly means to cause pivoting thereof about said second pivot axis,
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said table top is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever thereby providing a further elevation adjustment of the saw blade,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said subassembly means and means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said subassembly means to cause pivoting thereof about said second pivot axis;
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said table top is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means;
• a first subassembly pivotally mounted on said pivot means and including the saw blade,
• a second subassembly also pivotally mounted on said pivot means and including a first control means having a control lever for pivoting said second subassembly about said second pivot axis;
• means connecting said first subassembly to said second subassembly whereby said first subassembly and said second subassembly pivot in unison about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, said second subassembly further including locking means for securing said second subassembly at a position corresponding to said first elevation setting for the saw blade,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• second control means operatively connected to said first subassembly for pivoting said first subassembly about said second pivot axis to effect a further elevation adjustment of the saw blade,
• said second control means proximately disposed to said control lever such that said second control means is manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said table top is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• frame means,
• pivot means defining a second pivot axis and fixedly connected to said frame means;
• a first subassembly pivotally mounted on said pivot means and including the saw blade,
• a second subassembly also pivotally mounted on said pivot means and including a first control means having a control lever for pivoting said second subassembly about said second pivot axis;
• means connecting said first subassembly to said second subassembly whereby said first subassembly and said second subassembly pivot in unison about said second pivot axis whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, said second subassembly further including locking means for securing said second subassembly at a position corresponding to said first elevation setting for the saw blade,
• said locking means including a split yoke disposed about said pivot means, a control rod, and a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction, and,
• second control means operatively connected to said first subassembly for pivoting said first subassembly about said second pivot axis to effect a further elevation adjustment of the saw blade,
• said second control means including a leaf spring disposed along the length of said control lever, hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said first subassembly, and means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said first subassembly to cause pivoting thereof about said second pivot axis,
• said means for urging said hub means proximately disposed on said control lever so as to be manipulatable by the same hand of the operator without removing the hand from said lever throughout the complete elevation setting operation;
• and,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said table top is varied.

A table saw comprising:

• a table defining a stationary horizontal work surface for supporting a workpiece and having a slot formed therein;
• an assembly mounted beneath said table;
• motor-driven saw means including a saw blade pivotally mounted on said assembly;
• said assembly being pivotally mounted beneath said table so as to be movable between a first angular position whereat said saw blade is movable in a first plane perpendicular to said work surface and a second angular position whereat said saw blade is movable in a second plane defining an acute angle with said work surface;
• lever control means for selectively raising and lowering the saw blade in said slot to effect a "coarse" adjustment of the saw blade relative to said work surface in one of said planes depending upon the angular position of said assembly;
• and,
• vernier means included in said lever control means for effecting a fine adjustment of said saw blade relative to said stationary horizontal work surface of said table in said one plane.

A table saw comprising:

• a housing including a tabletop having a slot formed therein;
• a motor driven saw blade extending through the slot;
• movable assembly means for the motor-driven saw blade mounted in said housing beneath said table top;
• a first control means for selectively locking and unlocking said movable assembly means with respect to said table top, said first control means being adapted to be selectively raised and lowered in its unlocked position, thereby selectively raising and lowering the saw blade to effect a "coarse" adjustment thereof relative to the table top;
• vernier means included in said first control means to effect a "fine" adjustment of the saw blade relative to the table top, thereby providing a one-hand control of the saw blade elevation;
• and,
• a second control means operatively connected to said movable assembly means to effect a tilting of the rotary axis of the motor-driven saw blade within certain angular limits and in any selected elevation of the saw blade thereby accommodating bevel cuts.

A portable power saw comprising:

• a compact housing including a work surface having an opening for accommodating a motor-driven saw blade and further including handle means for easily carrying the apparatus;
• assembly means including the saw blade, pivotally mounted in the housing beneath the work surface;
• first control means including lever means, for selectively, raising and lowering the saw blade, in the opening relative to the work surface to effect a "coarse" adjustment of the saw blade, and further including means for selectively locking and unlocking the lever means at the coarse elevation, said first control means further including vernier control means to effect a "fine" adjustment of the saw blade relative to the work surface, whereby one-hand control of the saw blade elevation is effected;
• and,
• second control means operatively connected to said assembly means to effect a tilting of the rotary axis of the saw blade within certain angular limits and in any selected elevation of the saw blade.

A method of making bevel cuts with the saw blade of a table saw including:

• a table for supporting a workpiece and having a slot formed therein;
• a support chassis mounted beneath the table, motor driven saw means including a saw blade pivotally mounted on the support chassis, the support chassis being pivotably mounted beneath the table so as to be movable between a first angular position whereat the saw blade is movable in a first cutting plane perpendicular to the table and a second angular position whereat the saw blade is movable in a second cutting plane defining an acute angle with the table;
• lever control means for selectively raising and lowering the saw blade in the slot to effect a "coarse" adjustment of the saw blade relative to the table top in one of said cutting planes depending upon the angular position of the support chassis;
• and,
• vernier means mounted on said lever control means for effecting a fine adjustment of the saw blade relative to the table in said one plane, the method comprising the steps of:
• manually actuating said lever control means to raise said saw blade to a selected coarse adjusted position relative to the table top;
• pivotally moving said support chassis from a first angular position to the second angular position thereby placing said saw blade in said second cutting plane;
• and,
• manually adjusting said vernier means to effect a fine adjustment of said saw blade relative to said table.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever and providing a further elevation adjustment of the saw blade,
• the second control means having,
• a leaf spring disposed along the length of said control lever;
• hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said respective subassembly, and
• means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said respective subassembly to cause pivoting thereof about said second pivot axis,
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the saw blade,
• the locking means including,
• a split yoke disposed about said pivot means;
• a control rod,
• a rotatable hand grip disposed upon said control lever,
• said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever,
• said second control means providing a further elevation adjustment of the saw blade, and
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said desired elevation setting for the tool,
• the locking means including, a split yoke disposed about said pivot means, a control rod, a rotatable hand grip disposed upon said control lever, said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass,
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing
• said control lever at a position corresponding to said first elevation setting for the tool,
• the locking means including,
• a split yoke disposed about said pivot means,
• a control rod,
• a rotatable hand grip disposed upon said control lever,
• said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever,
• said second control means providing a further elevation adjustment of the tool, and
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever and providing a further elevation adjustment of the tool,
• the second control means having,
• a leaf spring disposed along the length of said control lever,
• hub means disposed at one end of said control lever and fixedly connected to one end of said leaf spring, the remaining end of said leaf spring fixedly connected to said respective subassembly,
• means for urging said hub means axially along said control lever arm, whereby the stress developed in said leaf spring is transmitted through its operative connection to said respective subassembly to cause pivoting thereof about said second pivot axis, and
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the tool relative to said table top is varied.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said desired elevation setting for the tool,
• the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied, and
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool,
• the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever, and
• said second control means providing a further elevation adjustment of the tool.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool, and
• control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said desired elevation setting for the tool,
• the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and
• means for locking said assembly means to said housing at the desired angle of the tool relative to the tabletop.

A power tool apparatus comprising:

• a housing including a tabletop having an opening through which a motor-driven tool can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the tool,
• first control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the tool is raised or lowered in said opening to a first elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said first elevation setting for the tool, the control lever operatively connected to the assembly means to pivot the assembly means about said first pivot axis, whereby the angle of the tool relative to said tabletop is varied,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation,
• second control means operatively connected to said subassembly means for pivoting said subassembly means about said second pivot axis independently of said control lever,
• said second control means providing a further elevation adjustment of the tool, and
• means for locking said assembly means to said housing at the desired angle of the tool relative to the tabletop.

A table saw comprising:

• a housing including a tabletop having an opening through which a motor-driven saw blade can pass;
• assembly means pivotally mounted in said housing about a first pivot axis, said assembly means including,
• pivot means defining a second pivot axis and fixedly connected to said assembly means,
• subassembly means pivotally mounted on said pivot means and including the saw blade,
• control means including,
• a control lever operatively connected to said subassembly means for pivoting same about said second pivot axis, whereby the saw blade is raised or lowered in said opening to a desired elevation with respect to the tabletop in a relatively quick setting manner, and locking means for securing said control lever at a position corresponding to said desired elevation setting for the saw blade,
• the locking means including,
• a split yoke disposed about said pivot means,
• a control rod,
• a rotatable hand grip disposed upon said control lever,
• said control rod operatively connected between said split yoke and said rotatable hand grip such that said split yoke is secured to said pivot means when said grip is rotated in one direction and wherein said yoke is released from a secured connection to said pivot means when said grip is rotated in the opposite direction,
• said locking means proximately disposed to said control lever such that both are manipulatable by the same hand of the operator, without removing the hand from said lever throughout the complete elevation setting operation, and
• means for pivoting said assembly means about said first pivot axis, whereby the angle of the saw blade relative to said tabletop is varied.

An adjusting mechanism for a power-driven tool having a housing with a tabletop comprising:

• an elevation pivot means mounted in the housing along an elevation pivot axis,
• a tool connected to the elevation pivot means and pivotable about the elevation pivot axis,
• coarse adjustment means connected to the tool to selectively pivot the tool about the elevation pivot axis to a first coarse elevation with respect to the tabletop,
• locking means connected to the coarse adjustment means and engageable to maintain the tool at the first coarse elevation,
• vernier adjustment means operable upon engagement of the locking means, and
• the vernier adjustment means connected to the tool to selectively pivot the tool about the elevation pivot axis to a fine elevation setting relative to the first coarse elevation, and being operative independently of the coarse adjustment means.