Typewriting machines – Sheet or web – Including friction-feed means
Patent
1997-11-12
2000-11-07
Hilten, John S.
Typewriting machines
Sheet or web
Including friction-feed means
399299, 399300, B41J 13036
Patent
active
061426903
ABSTRACT:
An image forming apparatus having a plurality of image bearing members disposed parallel along a conveying direction of recording sheet and a drive power transmission mechanism that translates movement of a drive source to synchronized and uniform movement of the image bearing members is provided. One embodiment of the drive power transmission mechanism includes a plurality of drive power transmission members and a plurality of intermediate transmission members alternately arranged in groups that are offset relative to each other. The drive power and intermediate transmission members in each group are arranged within a predefined angular orientation to ensure synchronized, uniform movement of the image bearing members and uniform distribution of the toner for each color of the color image being recorded.
REFERENCES:
patent: 4796050 (1989-01-01), Furuta et al.
patent: 4803515 (1989-02-01), Hoshino et al.
patent: 5386286 (1995-01-01), Kinouchi et al.
patent: 5492421 (1996-02-01), Fushimi et al.
Iwata Nobuo
Yoshimura Hiroshi
Hilten John S.
Ricoh & Company, Ltd.
Sandusky Amanda B.
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