Eccentric cam for electrophotocopier developer unit

Details Eccentric cam for electrophotocopier developer unit Eccentric cam for electrophotocopier developer unit

1980-11-28

1982-07-13

Prescott, Arthur C.

Photocopying

Including fiber optics

355 3R, 355 14D, 118657, 118658, G03G 1500, G03G 1502

Patent

active

043391966

ABSTRACT:
An improvement in an electrophotocopying machine having a photoconductive surface and a retractable, pivotably mounted developer unit for developing an electrostatic image on the photoconductive surface. The improvement comprises at least one eccentric cam for moving said developer unit into and out of developing engagement with said photoconductive surface, said cam having a curved, cantilevered arm extending therefrom, said arm increasing the effective radius of said cam starting from the junction of the arm with the cam to the end of the arm remote from said junction, and means for reciprocally rotating said cam whereby said cam moves said developer unit into and out of developing engagement with said photoconductive surface.

REFERENCES:
patent: 3357325 (1967-12-01), Eichurn et al.
patent: 3462217 (1969-08-01), Tregay et al.
patent: 3924944 (1975-12-01), Smith et al.
patent: 3957367 (1976-05-01), Goel
patent: 3970042 (1976-07-01), Rees
patent: 4087168 (1978-05-01), Fraser
patent: 4097139 (1978-06-01), Hauser et al.
patent: 4294534 (1981-10-01), Snelling

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