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US 6,752,052 B2Granted
Cutter assembly
AssigneeDelaware Capital Formation, Inc.
InventorGeoffrey R. Bowlin
Life of this patent
Estimating the term…
Abstract
The present invention includes a cutter assembly and a method of using a cutter assembly. The cutter assembly comprises a fixed knife support shaft with a top end and a bottom end, a fixed knife mounted adjacent the top of the fixed knife support shaft, a moving knife support shaft with a top end and a bottom end and a moving knife mounted adjacent the top of the fixed knife support shaft, wherein the moving knife has a non-cutting position and a cutting position and the moving knife support is adapted to be rotated about an axis perpendicular to the axis of the moving knife support shaft to put the moving knife into the cutting position.
Claims61
A cutter assembly comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top of the fixed-longitudinal-axis knife support shaft;
- a moving knife support shaft, having a top end, a bottom end and a longitudinal axis, the moving knife support shaft disposed to pivot substantially perpendicular to the longitudinal axis;
- and
- a moving knife mounted adjacent the top of the moving knife support shaft,
- wherein the moving knife has a non-cutting position and a cutting position and the longitudinal axis of the moving knife support shaft in the non-cutting position is inclined relative to the longitudinal axis of the moving knife support in the cutting position.
3 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top of the fixed-longitudinal-axis knife support shaft;
- a moving knife support shaft, having top end, a bottom end and a longitudinal axis, the moving knife support shaft disposed to pivot substantially perpendicular to the longitudinal axis;
- and
- a moving knife mounted adjacent the top of the moving knife support shaft, wherein the moving knife has a non-cutting position and cutting position and the moving knife support is adapted to be inclined to put the moving knife into the cutting position;
- at least one flexible hinge adapted to cause the moving knife support shaft to incline, wherein the flexible hinge is not flexed when the moving knife is in the cutting position;
- a rocker arm adapted to move the moving knife between the cutting and non-cutting positions;
- a rocker spring to assist in moving the rocker arm between the cutting and non-cutting positions;
- a striker plate attached to the flexible hinge;
- and
- a rocker wheel affixed to the rocker arm and adapted to roll along the striker plate.
8 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top of the fixed-longitudinal-axis knife support shaft;
- a moving knife support shaft, having a top end, a bottom end and a longitudinal axis, the moving knife support shaft disposed to pivot substantially perpendicular to the longitudinal axis;
- and
- a moving knife mounted adjacent the top of the moving knife support shaft,
- wherein the moving knife has a non-cutting position and a cutting position and the moving knife support is adapted to be inclined to put the moving knife into the cutting position;
- wherein adjustment of the knife clearance is made by turning a screw.
4 more elements
A cutter assembly comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top end of the fixed-longitudinal-axis knife support shaft;
- a moving knife support block;
- a moving knife support shaft with a top end and a bottom end, the moving knife support shaft carried in the moving knife support block and tiltably mounted in a second housing piece;
- a moving knife mounted adjacent the top end of the moving knife support shaft;
- and
- at least one flexible hinge affixed to the moving knife support block,
- wherein the moving knife has a non-cutting position and a cutting position and is adapted so that in the non-cutting position the moving knife support shaft is tilted away from the fixed-longitudinal-axis knife support shaft by flexing the flexible hinge such that the separation between the top of the fixed-longitudinal-axis knife support shaft and the top of the moving knife support increases while the separation between the bottom of the fixed-longitudinal-axis knife support shaft and the bottom of the moving knife support shaft remains essentially constant.
5 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top end of the fixed-longitudinal-axis knife support shaft;
- a moving knife support block;
- a moving knife support shaft with a top end and a bottom end, the moving knife support shaft carried in the moving knife support block and tiltably mounted in a second housing piece;
- a moving knife mounted adjacent the top end of the moving knife support shaft;
- at least one flexible hinge affixed to the moving knife support block, wherein the moving knife has a non-cutting position and a cutting position and is adapted so that in the non-cutting position the moving knife support shaft is tilted away from the fixed knife support shaft by flexing the flexible hinge such that the separation between the top of the fixed knife support shaft and the top of the moving knife support increases while the separation between the bottom of the fixed knife support shaft and the bottom of the moving knife support shaft remains essentially constant;
- a rocker arm adapted to move the moving knife between the cutting and non-cutting positions;
- a rocker spring to assist in moving the rocker arm between the cutting and non-cutting positions;
- a striker plate attached to the flexible hinge;
- and
- a rocker wheel affixed to the rocker arm and adapted to roll along the striker plate.
8 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top end of the fixed-longitudinal-axis knife support shaft;
- a moving knife support block;
- a moving knife support shaft with a top end and a bottom end, the moving knife support shaft carried in the moving knife support block and tiltably mounted in a second housing piece;
- a moving knife mounted adjacent the top end of the moving knife support shaft;
- at least one flexible hinge affixed to the moving knife support block, wherein the moving knife has a non-cutting position and a cutting position and is adapted so that in the non-cutting position the moving knife support shaft is tilted away from the fixed knife support shaft by flexing the flexible hinge such that the separation between the top of the fixed knife support shaft and the top of the moving knife support increases while the separation between the bottom of the fixed knife support shaft and the bottom of the moving knife support shaft remains essentially constant;
- and
- an adjustment screw adapted to adjust the knife clearance.
5 more elements
A cutter assembly comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top end of the fixed-longitudinal-axis knife support shaft;
- a moving knife support block;
- a moving knife support shaft with a top end and a bottom end, the moving knife support shaft carried in the moving knife support block and tiltably mounted in a second housing base;
- a moving knife mounted adjacent the top end of the moving knife support shaft;
- and
- at least one flexible hinge affixed to the moving knife support block,
- wherein the moving knife has a non-cutting position and a cutting position and is adapted so that in the cutting position the moving knife support shaft is tilted toward the fixed-longitudinal-axis knife support shaft by flexing the flexible hinge such that the separation between the top of the fixed-longitudinal-axis knife support shaft and the top of the moving knife support decreases while the separation between the bottom of the fixed-longitudinal-axis knife support shaft and the bottom of the moving knife support shaft remains essentially constant.
5 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top end of the fixed-longitudinal-axis knife support shaft;
- a moving knife support block;
- a moving knife support shaft with a top end and a bottom end, the moving knife support shaft carried in the moving knife support block and tiltably mounted in a second housing base;
- a moving knife mounted adjacent the top end of the moving knife support shaft;
- at least one flexible hinge affixed to the moving knife support block, wherein the moving knife has a non-cutting position and a cutting position and is adapted so that in the cutting position the moving knife support shaft is tilted toward the fixed-longitudinal-axis knife support shaft by flexing the flexible hinge such that the separation between the top of the fixed-longitudinal-axis knife support shaft and the top of the moving knife support decreases while the separation between the bottom of the fixed-longitudinal-axis knife support shaft and the bottom of the moving knife support shaft remains essentially constant;
- and
- an adjustment screw adapted to adjust the knife clearance.
5 more elements
A cutter assembly for trimming a container with an inside and an outside comprising:
- a fixed-longitudinal-axis cutting means mounted on a fixed-longitudinal-axis support means;
- a moving cutting means mounted on a moving support means;
- a means for advancing the container a predetermined distance onto a fixed-longitudinal-axis knife mounted on a fixed-longitudinal-axis knife support so that the fixed-longitudinal-axis knife is inside the container and a moving knife mounted on a moving knife support is outside of the container, the moving knife being opposed to the fixed-longitudinal-axis knife;
- and
- a means for inclining the moving cutting means from a non-cutting position to a cutting position by tilting the moving support means toward the fixed-longitudinal-axis support means such that the separation between a first end of the fixed-longitudinal-axis support means and a first end of the moving support means decreases in the cutting position while the separation between a second end of the fixed-longitudinal-axis support means and a second end of the moving support means remains constant.
2 more elements
A cutter assembly for trimming a container with an inside and an outside comprising:
- a fixed-longitudinal-axis cutting means mounted on a fixed-longitudinal-axis support means;
- a moving cutting means mounted on a moving support means;
- a means for advancing the container a predetermined distance onto a fixed-longitudinal-axis knife mounted on a fixed-longitudinal-axis knife support so that the fixed-longitudinal-axis knife is inside the container and a moving knife mounted on a moving knife support is outside of the container, the moving knife being opposed to the fixed-longitudinal-axis knife;
- and
- a means for inclining the moving cutting means about an axis perpendicular to the axis of the moving support means to put the moving cutting means into the cutting position from a non-cutting position, wherein a longitudinal axis of the moving support means in the non-cutting position is inclined relative to the longitudinal axis of the moving support means in the cutting position.
2 more elements
A cutter assembly comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top of the fixed-longitudinal-axis knife support shaft;
- a moving knife support shaft, having a top end, a bottom end and a longitudinal axis, the moving knife support shaft disposed to pivot substantially perpendicular to the longitudinal axis;
- a moving knife mounted adjacent the top of the moving knife support shaft,
- wherein the moving knife has a non-cutting position and a cutting position and the moving knife support is adapted to be inclined to put the moving knife into the cutting position;
- and
- wherein the moving knife support shaft is adapted to be inclined without the use of a pivot pin.
4 more elements
A cutter assembly, comprising:
- a fixed-longitudinal-axis knife support shaft with a top end and a bottom end;
- a fixed-longitudinal-axis knife mounted adjacent the top of the fixed-longitudinal-axis knife support shaft;
- a moving knife support shaft, having a top end, a bottom end and a longitudinal axis, the moving knife support shaft disposed to pivot substantiality perpendicular to the longitudinal axis;
- and
- a moving knife mounted adjacent the top of the moving knife support shaft, wherein the moving knife has a non-cutting position and a cutting position and the moving knife support is adapted to be inclined to put the moving knife into the cutting position;
- at least one flexible hinge adapted to cause the moving knife support shaft to incline, wherein the flexible hinge is not flexed when the moving knife is in the non-cutting position;
- a rocker arm adapted to move the moving knife between the cutting and non-cutting positions;
- a rocker spring to assist in moving the rocker arm between the cutting and non-cutting positions;
- a striker plate attached to the flexible hinge;
- and
- a rocker wheel affixed to the rocker arm and adapted to roll along the striker plate.
8 more elements
Dependencies are inferred from the claim text.