Paper feeding apparatus

Details Paper feeding apparatus Paper feeding apparatus

1990-07-30

1992-05-26

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271116, 271270, B65H 306

Patent

active

051160382

ABSTRACT:
A paper feeding device for a facsimile machine, photocopier or the like is provided. The device includes a feed roller rotatably mounted on an axle which is supported by a frame. The axle is attached by a bushing and a spring clutch to a paper feeding gear which is driven by a suitable device or motor. The feed roller includes a sleeve arranged to co-operate, via a groove, with a spring pin fixed to the axle so as to provide a lost-motion mechanism between the shaft and the sleeve. A gear is arranged to drive a transfer roller faster than the gear drives the axle. In use, when paper is present between rollers, the pin is at one end of the groove. After a sheet of paper has been fed from the feed roller to the transfer roller, the feed roller will stop and not be driven by the gear until the spring pin of the lost motion mechanism has rotated from one end of the groove to the other end. The provision of such a lost motion mechanism may allow successive sheets of paper fed through the apparatus to be spaced apart at a predetermined distance.

REFERENCES:
patent: 4522385 (1985-06-01), Stefansson
patent: 4865305 (1989-09-01), Momiyama

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