Sheet delivery mechanism

Details Sheet delivery mechanism Sheet delivery mechanism

1992-05-20

1994-06-07

Picard, Leo P.

Photocopying

Contact printing

Light boxes

271229, 271245, 271256, G03G 2100

Patent

active

053194322

ABSTRACT:
A sheet delivery mechanism includes a pair of delivery rollers which deliver a sheet along a sheet delivery passage of a sheet treatment apparatus for predeterminately treating the sheet, a sheet halting member for halting the sheet, and a pinching force adjusting member. The pinching force adjusting member adjusts the delivery rollers to place them into a first state where the sheet pinching force of the delivery rollers is relatively small so that the delivery rollers can slip on the halted sheet and into a second state where the sheet pinching force is relatively great so that the sheet can be delivered in the case where a sheet halt is released for delivery.

REFERENCES:
patent: 3930725 (1976-01-01), Jones et al.
patent: 4017172 (1977-04-01), Lynch
patent: 4202621 (1980-05-01), Yoshimura et al.
patent: 4426150 (1984-01-01), Matsumoto et al.
patent: 4903047 (1990-02-01), Hatanaka
patent: 4958199 (1990-09-01), Yamashita et al.
patent: 5122841 (1992-06-01), Sasaki

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