Drive device for a rotary developing unit

Details Drive device for a rotary developing unit Drive device for a rotary developing unit

1995-08-15

1996-12-17

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

118645, 355200, 355208, 355245, G03G 1500, G03G 1501, G03G 1508

Patent

active

055859119

ABSTRACT:
A drive device for a rotary developing unit of the type in which a plural number of developing subunits are mounted on a rotary body, and a drive means is provided outside the rotary body, and in operation the developing subunits are successively moved to their developing positions when the rotary body is turned, and the developing subunit is driven by the drive means at its developing position, is improved in that the drive means drives the developing subunit for a specific period of time from a time point just before the developing subunit is moved to a predetermined developing position and stops thereat to another time point immediately after the developing subunit leaves the developing position.

REFERENCES:
patent: 4615612 (1986-10-01), Ohno et al.
patent: 4743938 (1988-05-01), Ohno
patent: 5182584 (1993-01-01), Fukunaga et al.
patent: 5325151 (1994-06-01), Kimura et al.
patent: 5412457 (1995-05-01), Kawano et al.
patent: 5436697 (1995-07-01), Negishi
patent: 5471292 (1995-11-01), Okazawa

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