Image forming apparatus

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United States of America Patent

PATENT NO 9436149
APP PUB NO 20140331801A1
SERIAL NO

14271328

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image forming apparatus includes a speed reduction device including a first gear and a second gear meshing each other. A ratio between teeth of the first gear and teeth of the second gear is an integer. One of the first gear and the second gear has a large diameter, and the other has a small diameter. The entire gear or the teeth of the gear having the large diameter is formed of a material having a higher modulus of longitudinal elasticity than a modulus of longitudinal elasticity of the gear having the small diameter.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tanaka, Koichi Kashiwa, JP 414 4190

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