Title:
STRAIN WAVE GEAR SPEED REDUCER UNIT
Document Type and Number:
WIPO Patent Application WO/2017/222012
Kind Code:
A1
Abstract:
A strain wave gear speed reducer unit 1 is provided with: a casing 11 with a cylindrical shape that extends in the axial direction; a ring-shaped internal gear 15 disposed so as to be rotatable relative to the casing 11 and having internal teeth 32 on the inner circumference; a flexible ring-shaped external gear 14, which is disposed to the inside of the internal gear 15 in the radial direction, one axial direction end of which is fixed to the casing 11, and which has external teeth 31 on the outer circumference for meshing with the internal teeth 32; an elliptical cam 12a, which is disposed to the inside of the external gear 14 in the radial direction and deforms the external gear 14 in the radial direction by rotating together with a rotating shaft 52 of a motor unit 3; a connecting part 12b formed integrally with the cam 12a and connected to the rotating shaft 52 on the inside of the external gear 14; and a support 19 connected to the casing 11 and rotatably supporting the periphery of the connecting part 12b.
Inventors:
OKAMURA KIKUO (JP)
INOUE HITOSHI (JP)
INOUE HITOSHI (JP)
Application Number:
PCT/JP2017/023029
Publication Date:
December 28, 2017
Filing Date:
June 22, 2017
Export Citation:
Assignee:
NIDEC SHIMPO CORP (JP)
International Classes:
F16H1/32; H02K7/116
Foreign References:
| JPH09217798A | 1997-08-19 | |||
| JPH09291983A | 1997-11-11 | |||
| JP2008039037A | 2008-02-21 | |||
| JP2012251603A | 2012-12-20 |
Attorney, Agent or Firm:
ISHIZUKA, Toshihiro (JP)
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