Image forming apparatus and method

Details Image forming apparatus and method Image forming apparatus and method

1993-06-07

1994-07-05

Burr, Edgar S.

Printing

Work supporting members

Grippers

4006454, 271277, B41F 130

Patent

active

053257774

ABSTRACT:
An image forming apparatus includes a drum gear having a first guide slot and a cam, a clamp having a first interlocking pin inserted into the first guide slot and a cam pin is interlocked with the cam. A release lever is mounted on a support plate on which a shaft of a drum is supported. A lifter having one end with a second guide slot formed therein is coupled to the first interlocking pin. The other end of the lifter has a second interlocking pin interlocked with the release lever. The apparatus can shorten the overall printing time by reducing the additional time required for ejecting a sheet of paper because the clamp is operated in cooperation with rotation of the drum during a printing operation.

REFERENCES:
patent: 3903795 (1975-09-01), Suzuki
patent: 3937142 (1976-02-01), Cerny et al.
patent: 4900008 (1990-02-01), Fichter et al.
patent: 4905985 (1990-03-01), Nagatani
patent: 4949638 (1990-08-01), Watanabe
patent: 5092698 (1992-03-01), Narui et al.

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