Roller pair assembly usable in image forming apparatus

Details Roller pair assembly usable in image forming apparatus Roller pair assembly usable in image forming apparatus

1994-05-18

1995-06-20

Smith, Matthew S.

Photocopying

Contact printing

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271242, 271274, 355308, 355321, G03G 1500

Patent

active

054264979

ABSTRACT:
A roller pair assembly for a pair of registration rollers which accelerates a sheet along an image receiving path. A compression spring positioned between a clip and a retainer provides a force at each end of the rollers urging them together. The retainer includes a nest for receiving the compression spring and a bearing surface for engaging a bearing housing for one of the rollers. The clip includes a projection for engaging the compression spring and a pair of resilient arms with detents engaging detents in an outside surface of a housing for the other roller.

REFERENCES:
patent: 4681422 (1987-07-01), Oba et al.
patent: 4717937 (1988-01-01), Fukunaga
patent: 4821066 (1989-04-01), Foote, Jr. et al.
patent: 4894687 (1990-01-01), Beaudet
patent: 4908633 (1990-03-01), Ohashi et al.
patent: 5034781 (1991-07-01), Watanabe
patent: 5227843 (1993-07-01), Yamamoto et al.
patent: 5237381 (1993-08-01), Hamada
patent: 5268726 (1993-12-01), Oleksa et al.

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