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Title:
PLANETARY GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/147200
Kind Code:
A1
Abstract:
Provided is a planetary gear device which efficiently transmits power. The planetary gear device is configured such that the planetary gear device comprises: a first internally toothed gear 20; a second internally toothed gear 30; a first externally toothed gear 40 meshing with the first internally toothed gear; a second externally toothed gear 50 meshing with the second internally toothed gear; and an eccentric body 60 about which the first externally toothed gear and the second externally toothed gear revolve, the first externally toothed gear and the second externally toothed gear having independent external teeth, respectively, and rotating together while being connected to each other, the first internally toothed gear and the second internally toothed gear having independent internal teeth, respectively, one of the first internally toothed gear and the second internally toothed gear being connected to the stationary side, with the other being connected to the output side, both the first internally toothed gear and the second internally toothed gear having internal teeth comprising support bodies 25, 35 and also comprising rotating bodies 24, 34 rotatable relative to the support bodies.

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Inventors:
NAGUMO TOSHIYA (JP)
Application Number:
PCT/JP2018/003677
Publication Date:
August 16, 2018
Filing Date:
February 02, 2018
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F16H1/32; F16C19/06; F16C19/26; F16C33/66; F16H55/08; F16N9/02
Domestic Patent References:
WO2012128003A12012-09-27
Foreign References:
JPS61136041A1986-06-23
JPH11173386A1999-06-29
JP2008184017A2008-08-14
JP2013064450A2013-04-11
JP2003042165A2003-02-13
JP2011058600A2011-03-24
JPS59171248U1984-11-15
JP2015183780A2015-10-22
Other References:
See also references of EP 3581827A4
Attorney, Agent or Firm:
ARAFUNE, Hiroshi et al. (JP)
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