Title:
GEAR TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/108717
Kind Code:
A1
Abstract:
A carrier is supported in a case with a pair of bearings interposed therebetween. The pair of bearings is arranged on the outer side relative to the internal gear in the axial direction of the internal gear. Each of the bearings comprises an outer race, an inner race, and a plurality of spherical rollers. An arc-shaped recess is formed along the entire circumference of the inner peripheral surface of the outer race. An arc-shaped recess is formed along the entire circumference of the outer peripheral surface of the inner race. The pair of bearings is arranged so that, in a cross-section that includes the center axes of the bearings, an extension of the rotation axis of the spherical rollers of one of the bearings and an extension of the rotation axis of the spherical rollers of the other bearing intersect between the two bearings.
Inventors:
HIROSE SHINYA (JP)
TSUTSUMI YOSHIKAZU (JP)
TSUTSUMI YOSHIKAZU (JP)
Application Number:
PCT/JP2013/050431
Publication Date:
July 25, 2013
Filing Date:
January 11, 2013
Export Citation:
Assignee:
NABTESCO CORP (JP)
HIROSE SHINYA (JP)
TSUTSUMI YOSHIKAZU (JP)
HIROSE SHINYA (JP)
TSUTSUMI YOSHIKAZU (JP)
International Classes:
F16H1/32; F16C23/08
Foreign References:
| JP2010159774A | 2010-07-22 | |||
| JP2010519473A | 2010-06-03 | |||
| JP2003148478A | 2003-05-21 |
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (JP)
Patent business corporation KAI-U Patent Law Firm (JP)
Patent business corporation KAI-U Patent Law Firm (JP)
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