Device for driving an endless belt and image forming...

Details Device for driving an endless belt and image forming... Device for driving an endless belt and image forming...

2005-07-05

2005-07-05

Pham, Hia (Department: 2861)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

Reexamination Certificate

active

06914619

ABSTRACT:
A device for driving an endless belt of the present invention includes a drive roller and a roller pair adjoining the drive roller at a side where a photoconductive element is positioned and contacting the belt. The eccentricity of the drive roller and that of the roller pair are reduced to reduce the variation of belt speed when the drive roller is controlled at a preselected angular velocity. Even when the drum is eccentric, the device stably operates integrally with the belt without any slip or oscillation.

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U.S. Appl. No. 10/634,783, filed Aug. 6, 2003, Matsuda et al., pending.
U.S. Appl. No. 10/663,766, filed Sep. 17, 2003, Takuroh, pending.
U.S. Appl. No. 10/387,506, filed Mar. 14, 2003, Koide et al., pending.

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