Shredder jam clear apparatus
First Claim
1. A paper shredder, comprising:
- a shredder throat, coupled to an inlet in a shredder cover and in proximity to shredder blades, the shredder throat having a moveable throat blade, wherein the moveable throat blade provides a wide shredder throat; and
an anti jam switch disposed to cause a motor to advance the shredder blades to clear a jam in the wide shredder throat.
1 Assignment
0 Petitions
Accused Products
Abstract
A paper shredder having shredder cover and a motor coupled to shredder blades includes a shredder throat coupled to an inlet in the shredder cover and in proximity to shredder blades. The shredder throat has a moveable throat blade, which widens the shredder throat. An anti-jam switch, which when activated causes the motor to advance the shredder blades to clear a jam in the widened shredder throat. The jam clearing mechanism can be automatic or manual, as by push-button or turn-knob linkages. A method for recovering from a shredder jam in a paper shredder is provided, including providing a moveable throat blade; sensing a shredder throat jammed condition; releasing the moveable throat blade; moving the moveable throat blade to a wide gap position; sensing the moveable throat blade in the wide gap position; advancing shredder blades in response to the sensing, by which the jammed condition is cleared.
2 Citations
20 Claims
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1. A paper shredder, comprising:
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a shredder throat, coupled to an inlet in a shredder cover and in proximity to shredder blades, the shredder throat having a moveable throat blade, wherein the moveable throat blade provides a wide shredder throat; and an anti jam switch disposed to cause a motor to advance the shredder blades to clear a jam in the wide shredder throat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for recovering from a shredder jam in a paper shredder, comprising:
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providing a moveable throat blade in the shredder throat; sensing a shredder throat jammed condition; releasing the moveable throat blade in the shredder throat; moving the moveable throat blade to a wide gap position; sensing the moveable throat blade in the wide gap position; advancing shredder blades in response to the sensing, wherein the jammed condition is cleared; returning the moveable throat blade to a nominal gap position; and turning off the shredder blades in response to the returning. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification