Pick mechanism for sheet feeding apparatus

Details Pick mechanism for sheet feeding apparatus Pick mechanism for sheet feeding apparatus

1989-09-05

1990-12-18

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 21, 271 42, 271111, B65H 324

Patent

active

049781138

ABSTRACT:
A pick mechanism for sheet feeding apparatus of a type in which the top sheet of a stack of media is separated from the remainder of the stack by pick movement to engage and lift the rear end of the top sheet from the remainder of the stack for subsequent separation and feeding from the stack, and including means for lifting the pick independently of elevating movement caused by engagement of the pick with a sheet. The pick lifting arrangement operates to lift the pick in the event of a failure thereof to engage the rear edge of a sheet and also to gently lower the pick back onto the next successive top sheet in the stack to be fed. A detector system is provided by which the conditions of sheet feed due to pick movement are detected and used to control driving components associated with the apparatus.

REFERENCES:
patent: 2672244 (1954-03-01), Van Schie
patent: 3350090 (1967-10-01), Larson

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