Paper feed for copying machine

Details Paper feed for copying machine Paper feed for copying machine

1977-10-27

1979-02-27

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

B65H 306

Patent

active

041415450

ABSTRACT:
A copying machine has a scanner movable in a forward direction to scan a master sheet and in a reverse direction to return to its starting position. A drive shaft of the machine rotates similarly forwardly and backwardly to displace this scanner and is connected to a pair of cams, one of which controls a pickup arm for sliding the uppermost sheet off a paper supply stack and the other of which is connected to a pair of pinch rollers which advance the picked up sheet through the imaging mechanism of the machine. Each of these cams has an operating portion which actuates the respective machine element during forward rotation of the cams, but which is brought out of engagement with the respective cam follower during reverse operation of the machine so that during return of the scanner to the starting position the pickup arm and pinch rollers are not operated.

REFERENCES:
patent: 2585873 (1952-02-01), Stephenson
patent: 3888479 (1975-06-01), Eder

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