Cutting tool and parts and accessories therefor

A cutting tool comprising:

• a housing having a generally flat upper surface defining an opening therein through which a cutting implement may be at least partially disposed and an enclosed base upon which the flat upper surface is supported;
• an internal retractable mobile base assembly connected to the housing and movable between an extended position wherein the cutting tool rests on a portion of the mobile base assembly so that the cutting tool may be moved about a work surface and a retracted position wherein the cutting tool rests firmly on the enclosed base so that the cutting tool is stationary with respect to the work surface;
• and
• wherein a multifunctional spindle extends from the housing and is operable to move the internal retractable mobile base between the extended and retracted positions, the multifunctional spindle is movable between a first position wherein rotation of the spindle adjusts a position of the cutting implement and a second position wherein rotation of the shaft spindle adjusts a position of the mobile base assembly connected to the cutting tool.

A cutting tool comprising:

• a housing having a generally flat upper surface defining an opening therein and an enclosed base upon which the flat upper surface is supported;
• a cutting implement extending from the opening of the housing;
• and an internal retractable mobile base assembly connected to the housing and movable between an extended position wherein the cutting tool rests on a portion of the mobile base assembly so that the cutting tool may be moved about a work surface and a retracted position wherein the cutting tool rests firmly on the enclosed base so that the cutting tool is stationary with respect to the work surface;
• and
• a multifunctional spindle movable between a first position wherein rotation of the spindle adjusts a position of the cutting implement and a second position wherein rotation of the spindle adjusts a position of the mobile base assembly connected to the cutting tool.

A cutting tool, comprising:

• a housing having a generally flat upper surface defining an opening therein and an enclosed base upon which the generally flat upper surface is supported, the enclosed base defining a first perimeter and forming a cavity within the housing with a cavity opening located below the housing, the cavity having a second perimeter that is substantially similar to or smaller than the first perimeter of the enclosed base of the housing;
• a cutting implement disposed at least partially within the opening of the flat upper surface of the housing,
• an internal retractable mobile base assembly connected to the housing and positioned within the cavity of the enclosed base and movable between an extended position wherein the cutting tool rests on a plurality of wheels of the mobile base assembly extending from the cavity opening so that the cutting tool may be moved about a work surface and a retracted position wherein the cutting tool rests on the enclosed base so that the cutting tool is stationary with respect to the work surface;
• a plurality of vertical drive devices, each connected to one of said plurality of wheels;
• an endless drive linkage connected each of said plurality of vertical drive devices;
• and
• a first shaft of the internal retractable mobile base assembly rotatably connected to one of said vertical drive devices such that rotation of the first shaft drives the plurality of vertical drive devices between a first wheel position wherein the wheels are extended into contact with the work surface and a second wheel position wherein the wheels are retracted from contact with the work surface.

A cutting tool comprising:

• a housing having a generally flat upper surface defining an opening therein and a base upon which the generally flat upper surface is supported, the base defining a first perimeter and forming a hidden cavity therein with a cavity opening located below the housing, the cavity having a second perimeter that is substantially the same as or smaller than the first perimeter of the base of the housing;
• a cutting implement disposed at least partially within the opening of the generally flat upper surface of the housing;
• an internal retractable mobile base assembly operably connected to the housing and disposed at least partially within the cavity of the base and movable between a first position wherein the cutting tool rests on feet and is kept from moving with respect to a work surface and a second position wherein the cutting tool may be moved about the work surface, said internal retractable mobile base assembly including a plurality of threaded drives operable to move between the first and second positions and an endless drive linkage connected between all of the threaded drives;
• and
• an actuator extending from the housing and connected to the internal retractable mobile base assembly, the actuator being operable to transmit power through the endless drive linkage to the threaded drives to move the internal retractable mobile base assembly between the first and second positions.

A stationary power tool having an integral mobile base assembly, comprising:

• a housing having a generally flat upper surface defining an opening therein through which a cutting implement may be at least partially disposed and a base for supporting the table saw upon a floor and upon which the generally flat upper surface is supported, the base defining a first perimeter and forming a cavity therein, the cavity having a second perimeter that is substantially the same as or smaller than the first perimeter of the enclosed base of the housing;
• an integral mobile base assembly connected to the housing and positioned at least substantially within the first perimeter of the base;
• a first shaft of the integral mobile base assembly rotatably connected to at least one of a plurality of wheels of the integral mobile base assembly;
• a plurality of vertical drives operable to move between an extended position and a retracted position;
• a plurality of sprockets with each sprocket connected to a different one of the plurality of the vertical drives;
• and
• a chain or belt member connecting all of the plurality of vertical drive by the plurality of sprockets, such that rotation of the first shaft moves the chain or belt member thereby rotating the plurality of sprockets resulting in corresponding movement of all of the plurality of vertical drives between a first position wherein the plurality of wheels are in contact with the floor when the stationary power tool is not in use and intended to be moved and a second position wherein the plurality of wheels are moved out of contact with the floor when the stationary power tool is to be used.

A stationary power tool having an integral mobile base assembly comprising:

• a housing having a generally flat upper surface defining a cutting implement opening therein and an enclosed base upon which the flat upper surface is supported and having a skirt member with extension members extending therefrom, the skirt member defining a first perimeter and forming a cavity therein, the cavity having a second perimeter that is substantially the same as or smaller than the first perimeter of the skirt member of the housing;
• an integral mobile base assembly operably connected to the housing and disposed substantially within the cavity of the base the integral mobile base assembly being movable between a first position wherein the cutting tool is kept from moving with respect to a work surface via the extension members and a second position wherein the cutting tool rests on a plurality of wheels located within the cavity of the enclosed base and may be moved about the work surface, the integral mobile base assembly including a plurality of drive devices constructed and operable to move between the first and second positions and an endless drive linkage extending between all of the drive devices to operate the drives simultaneously;
• and
• an actuator extending from the housing and connected to the integral mobile base assembly, the actuator being operable to move the integral mobile base assembly between the first and second positions.

A stationary power tool having an integral mobile base assembly comprising:

• a housing having a generally flat upper surface defining a cutting implement opening therein and a base upon which the flat upper surface is supported, the base defining a cavity therein and having feet extending therefrom, with the base have a first perimeter defining an outer bounds of the housing and the cavity having a second perimeter defining an outer bounds of the cavity which is smaller than the first perimeter of the housing;
• an integral mobile base assembly connected to the housing such that a substantial portion of the mobile base assembly is disposed within the first perimeter of the housing, the integral mobile base assembly being movable between a first position wherein the cutting tool is kept from moving with respect to a work surface via the feet extending from the base and a second position wherein the cutting tool rests on a plurality of wheels connected to the integral mobile base assembly so that the stationary power tool may be moved about the work surface, said integral mobile base assembly including a plurality of vertical drive devices and an endless drive linkage extending between each of said vertical drive devices;
• and
• an actuator extending from the housing and connected to the integral mobile base assembly, the actuator being operable to move the integral mobile base assembly between the first and second positions.