Power transmission gear unit and vehicle instrument

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9638311
APP PUB NO 20150233462A1
SERIAL NO

14626023

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Hemispherical protrusions are protrudingly provided in end surfaces of a rotor gear and a tooth portion of a small gear having the smaller number of gear teeth between the rotor gear and a large gear of an intermediate gear, and between the small gear of the intermediate gear and an output gear, which are meshed with each other in a transmission gear train. Thus, in a case where the large gear rides on the rotor gear or the small gear rides on the output gear when the intermediate gear is accommodated in a housing after the rotor gear and the output gear are accommodated, it is possible to cancel the riding state thereof only by applying a slight vibration to the housing.

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Patent Owner(s)

Patent OwnerAddress
YAZAKI CORPORATION4-28 MITA 1-CHOME MINATO-KU TOKYO 108-8333

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Taisei Shizuoka, JP 5 12

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