Belt clutch apparatus and image forming apparatus having the...

Details Belt clutch apparatus and image forming apparatus having the... Belt clutch apparatus and image forming apparatus having the...

2005-07-22

2008-07-08

Tran, Hoan H (Department: 2852)

Electrophotography

Image formation

Transfer

C399S167000, C399S308000

Reexamination Certificate

active

07398042

ABSTRACT:
A belt clutch apparatus for an image forming apparatus is is provided and includes a belt that rotates in contact with at least one unit, at least one movable roller for supporting the rotation of the belt, and a variable unit for changing position of the movable roller in order for the belt to have a first running path in contact with the unit and a second running path separated from the unit. Moreover, the belt can be selectively positioned in contact with a predetermined unit or separated therefrom while maintaining belt tension. Therefore, it becomes possible to protect the belt from unnecessary abrasion.

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patent: 05-072909 (1993-03-01), None
patent: 07-295394 (1995-11-01), None
patent: 10-2000-0006519 (2000-01-01), None

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