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Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2010180945
Kind Code:
A
Abstract:

To more surely transmit power without causing increase of manufacturing cost and inhibition of miniaturization.

A mechanical paradox planetary gear is composed of a sun gear member 31, a planetary gear member 35, a first ring gear member 33, and a second ring gear member 34. A clutch mechanism 60 rotating the first ring gear member 33 when an input gear member 40 rotates and cutting off power transmission to the input gear member 40 when the first ring gear member 33 rotates is put between the input gear member 40 and the first ring gear member 33. The sun gear member 31 and the first ring gear member 33 are composed as individual input elements, and the second ring gear member 34 is driven by the sun gear member 31 or the first ring gear member 33, respectively when the sun gear member 31 or the first ring gear member 33 singly rotates.


Inventors:
Shinya, Masashi
Tamura, Takashi
Application Number:
JP2009000024757
Publication Date:
August 19, 2010
Filing Date:
February 05, 2009
Export Citation:
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Assignee:
TAMRON CO LTD
ICOMES LABO:KK
International Classes:
F16H1/36; F16H13/04; F16H57/02; F16H57/028; F16H57/029; F16H57/03
Domestic Patent References:
JPS6449739A
JPH08210444A
JP2004109392A
JPS6449739A
JPH08210444A
JP2004109392A
Attorney, Agent or Firm:
酒井 宏明



 
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