Sheet conveying apparatus for conveying variable length sheets t

Details Sheet conveying apparatus for conveying variable length sheets t Sheet conveying apparatus for conveying variable length sheets t

1991-05-31

1992-02-11

Olszewski, Robert P.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271 31, 271171, 271189, 271198, 271223, 271274, 271275, B65H 2970

Patent

active

050870262

ABSTRACT:
Sheet feeding apparatus for a buffer tray of a xerographic reproduction machine comprises a belt for conveying sheets to the tray, input and output rolls which co-operate with the belt at the input and the output respectively of the apparatus, and an intermediate roll which can co-operate with the belt at a point intermediate its length. The output roll is mounted on an end guide of the buffer tray and, as a result, moves lengthwise of the belt when the end guide is moved to enable the tray to receive sheets of different lengths. If the output roll is moved from one side of the intermediate roll, remote from the input roll, to the other, it causes the intermediate roll to move to an inoperative position (in which it does not co-operate with the belt) and operates a latch to hold the intermediate roll in that position. The reverse movement of the output roll releases the latch and allows the intermediate roll to return to the position in which it co-operates with the belt.

REFERENCES:
patent: 3658320 (1972-04-01), Kuehn
patent: 4219191 (1980-08-01), Rastorguyeff
patent: 4469319 (1984-09-01), Robb et al.
patent: 4469436 (1984-09-01), Jones et al.
patent: 4520977 (1985-06-01), Holzhauser et al.
patent: 4786039 (1988-11-01), Ito
patent: 5016867 (1991-05-01), Kamath
patent: 5044623 (1991-09-01), Munz et al.
M. C. Hogenes; "Extendible Baffles"; Xerox Disclosure Journal, vol. 11, No. 1, p. 27, Jan./Feb. 1986.
William A. Henry, II; "Automatically Set Side Guides for Document Feeder"; Xerox Disclosure Journal; vol. 11, No. 2, p. 89, Mar./Apr. 1986.

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