Safety device for feeder of shredder

Details Safety device for feeder of shredder Safety device for feeder of shredder

2007-02-23

2009-11-03

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

With means to protect operator from injury

C241S100000, C241S236000

Reexamination Certificate

active

07611083

ABSTRACT:
A shredder feeder includes a pair of rotary blade rollers, an insertion assembly including an insertion slot, a spring biased raised safety panel enclosing the insertion slot, a safety switch, an emergency indicator, and a feeding and removal selection switch. In one operation in response to winding an object other than documents, CDs, and credit cards into the insertion slot or clogging, pressing the safety panel will switch the feeding and removal selection to a removal mode for removing the object, and disable the blade rollers in response to the removal. Alternatively, pressing the safety panel will switch the safety switch to disable the blade rollers and enable the emergency indicator for informing a user to switch the feeding and removal selection switch to the removal mode. Further, pressing the safety panel will disable the blade rollers in response to no object in the insertion slot.

REFERENCES:
patent: 6460790 (2002-10-01), Wu Huang
patent: 7398936 (2008-07-01), Wang
patent: 2007/0012808 (2007-01-01), Kao
patent: 2007/0241220 (2007-10-01), Marbourg
patent: 2008/0093488 (2008-04-01), Kent et al.
patent: 2008/0128537 (2008-06-01), Huang
patent: 2008/0156911 (2008-07-01), Huang
patent: 2008/0156912 (2008-07-01), Huang
patent: 2008/0169369 (2008-07-01), Wang

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