Image forming apparatus and an image member cartridge

Details Image forming apparatus and an image member cartridge Image forming apparatus and an image member cartridge

1991-02-04

1992-08-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355271, G03G 1500

Patent

active

051383721

ABSTRACT:
An image forming apparatus includes an image member supplied to the apparatus in an image member cartridge and a transfer member which engages the image member through an access opening in the cartridge. The axes of rotation of the image member and the transfer member are maintained parallel in order to avoid image degradation during transfer while the image member cartridge is urged toward the transfer member. A pair of plates which support the transfer member also include control surfaces for engaging opposite ends of a shaft on which the image member is rotatable for maintaining the image member axis parallel to the transfer member axis. A preferred urging means is disclosed which includes an over-center spring having a condition in which it urges the cartridge toward the transfer member and a condition in which the urging means is urged away from the cartridge.

REFERENCES:
patent: 4914482 (1990-04-01), Ammenheuser et al.
patent: 4947208 (1990-08-01), Komatsu et al.
patent: 4952989 (1990-08-01), Kawano et al.

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