Reset mechanism for photoconductive drum

Details Reset mechanism for photoconductive drum Reset mechanism for photoconductive drum

1989-06-30

1991-03-19

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Electromechanical counter

With resetting

355211, 355308, G06M 128

Patent

active

050017330

ABSTRACT:
In a reset mechanism for resetting a counter counting the number of rotations of a photoconductive drum which is employed in a laser beam printer and the like, rocking member is provided to be rocked only when the photoconductive drum is primarily rotated and means for resetting the counter in response to the rocking movement of the rocking member. Thus, the counter is accurately reset in case that a new photoconductive drum is installed in the printer and the photoconductive drum is primarily rotated.

REFERENCES:
patent: 3648028 (1972-03-01), Hara et al.
patent: 3700163 (1972-10-01), Soden
patent: 4264806 (1981-04-01), Kubler
patent: 4506373 (1985-03-01), Kratt
patent: 4551000 (1985-11-01), Kanemitsu et al.
patent: 4585327 (1986-04-01), Suzuki
patent: 4775781 (1988-10-01), Fukunaga et al.

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