Automated stop positioning system apparatus
First Claim
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1. A device for cutting an article to length, comprising, in combination:
- a work table upon which the article is supported;
a saw mounted on said table;
a guide rail supported on said work table;
a plurality of stops coupled to said guide rail, one of said stops to position the article relative to said saw, said guide rail being axially movable on said work table;
said guide rail coupled to linear translation means;
said linear translation means operatively coupled to a pointer such that linear motion of said pointer causes motion of said stops and said guide rail and said linear translation means with respect to said saw.
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Abstract
Disclosed is an apparatus for precisely, easily and automatically setting and resetting stops on a cutting table. In particular, a hand manipulable pointer slideable along a scale may be moved a desired and equal distance to that desired of the stops, and the stops will automatically move that same distance and direction. The system is accomplished by operatively coupling the stops and the pointer system to a linear actuator. Also disclosed is an electromechanical braking system of superior quality for this apparatus.
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Citations
11 Claims
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1. A device for cutting an article to length, comprising, in combination:
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a work table upon which the article is supported;
a saw mounted on said table;
a guide rail supported on said work table;
a plurality of stops coupled to said guide rail, one of said stops to position the article relative to said saw, said guide rail being axially movable on said work table;
said guide rail coupled to linear translation means;
said linear translation means operatively coupled to a pointer such that linear motion of said pointer causes motion of said stops and said guide rail and said linear translation means with respect to said saw. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
one said switch causing motion of said linear translation means upon corresponding motion of said pointer.
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3. The device of claim 2 wherein said pointer registers with a scale and said scale is calibrated to correlate with a distance between adjacent stops.
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4. The device of claim 3 further including switch guides, one for each said switch, wherein each said switch includes a contact which, when coupled to a respective said switch guide moves said one of said stops and said guide rail and said linear translation means.
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5. The device of claim 4 including a rest area between said switch guides.
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6. The device of claim 5 wherein said linear translation means includes a motor enabled by only one of said switches at a time when one said switch is engaged, said motor is energized to move said guide rail by a rod arm, said rod arm also coupled to a rod which moves a rail and said switch guides until said rest area is located, corresponding to a pointer setting whereupon said one said engaged switch is disengaged.
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7. The device of claim 6 wherein said switch guides are axially offset from each other and said switches are on opposite sides of said switch guides so that only one switch is enabled at a time.
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8. The device of claim 7 including a brake means operatively coupled to said linear translation means, said brake means engaged when said motor is idle, thereby holding said stops in fixed position.
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9. The device of claim 8 wherein said stops are pivotally coupled to said guide rail to retract said stops along the length of the article, while leaving one said stop to abut the article corresponding to a desired length set by said pointer.
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10. The device of claim 9 wherein said switches are supported on a gantry, said gantry slideably coupled to said rail, said gantry supporting said pointer, whereby movement of said pointer with respect to said scale causes movement of said gantry and switches along said rail.
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11. The device of claim 10 wherein an air hose feeds air onto said switches to prevent debris from contaminating said switches.
Specification