Image forming apparatus with a pressure development unit

Details Image forming apparatus with a pressure development unit Image forming apparatus with a pressure development unit

1990-04-19

1992-08-18

Grimley, A. T.

Photocopying

Contact printing

Light boxes

100168, 355 27, 355311, G03G 1520

Patent

active

051403781

ABSTRACT:
An image forming apparatus includes a pressure development unit having a pair of press rollers, an eccentric cam for regulating the pressure, and a power transmission unit for transmitting a driving force to the eccentric cam, in which the power transmission unit includes a one-way clutch providing only one directional path for the power transmission.

REFERENCES:
patent: 3885869 (1975-05-01), James
patent: 4579333 (1986-04-01), Aoki
patent: 4926358 (1990-05-01), Tani et al.
patent: 4931826 (1990-06-01), Lucht et al.
patent: 4945374 (1990-07-01), Yamamoto et al.
patent: 5089838 (1992-02-01), Yamamoto et al.

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