Sheet feeder for copying machines

Details Sheet feeder for copying machines Sheet feeder for copying machines

1982-11-09

1985-04-02

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

271127, 271260, B65H 306

Patent

active

045083320

ABSTRACT:
A sheet feeder is adapted to feed sheets, received in a stack within a sheet cassette, one by one by a feed roller which rocks in response to a feed signal. The sheet feeder includes a detecting member for detecting the number of sheets left within the cassette, and means responsive to a signal from the detecting member for controlling the timing when the feed signal is produced. In this manner, an amount of flexure produced in the sheet being fed before it reaches resistor rollers is maintained constant.

REFERENCES:
patent: 4025187 (1977-05-01), Taylor et al.
patent: 4221376 (1980-09-01), Handen et al.
patent: 4319742 (1982-03-01), Ulseth
Baumann, G. W. et al., "System for Minimizing Solenoid Requirements", IBM Technical Disclosure Bulletin, vol. 24, No. 7B, Dec. 1981, p. 3763.

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