Belt-type image forming apparatus having vibration resistance

Photocopying – Contact printing – Light boxes

Patent

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Details

355200, 355326, G03G 1500

Patent

active

053092031

ABSTRACT:
In an image forming apparatus such as a copying machine, a belt member is put across a driving roll and a tension roll, and springs provided on the tension roll give a tension to the belt member in order to part the tension roll from the driving roll. A spring constant of the springs is defined so as to absorb vibration of the belt member due to the eccentric rotation of the roll.

REFERENCES:
patent: 3796488 (1974-03-01), Tanaka et al.
patent: 3974952 (1976-08-01), Swanke et al.
patent: 5160946 (1992-11-01), Hwang

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