Sheet conveyance apparatus

Details Sheet conveyance apparatus Sheet conveyance apparatus

1988-08-01

1989-11-28

Braun, Fred L.

Photocopying

Contact printing

Light boxes

271 31, 271122, 271163, 355282, G03G 2100, B65H 522

Patent

active

048841102

ABSTRACT:
In a copying machine, a sheet conveyance mechanism which allows an image to be copied on both sides of a sheet of paper. The sheet conveyance mechanism includes an intermediate tray in which the sheet is copied on one side thereof by an image copy section, a friction roller capable of effecting reversible rotation and a double feed preventing roller. In operation, a sheet of paper is conveyed by the friction roller into the intermediate tray in which an image is copied onto one side of the sheet, the sheet is then removed by the friction roller, rotating in the reverse direction and transported back to the intermediate tray in which an image is copied on the second side of the sheet.

REFERENCES:
patent: 3556513 (1971-01-01), Howard
patent: 3615129 (1971-10-01), Drawe et al.
patent: 4080060 (1978-03-01), Nothmann
patent: 4253759 (1981-03-01), Rattin
patent: 4335954 (1982-06-01), Phelps
patent: 4384781 (1983-05-01), Takada
patent: 4412734 (1983-11-01), Shibuya et al.
patent: 4464042 (1984-08-01), Omori et al.
patent: 4560157 (1985-12-01), Hirschberg
patent: 4607942 (1986-08-01), Koyama et al.
patent: 4607948 (1986-08-01), Naito
patent: 4627718 (1986-12-01), Wyer
patent: 4630921 (1986-12-01), Watanabe

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