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Patent Searching and Data


Title:
WAVE GENERATOR AND WAVE GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/037087
Kind Code:
A1
Abstract:
 A wave generator (5) of a wave gear device (1) has a plug (20), a wave generator bearing (30) mounted to an outer peripheral surface (20a) of the plug (20), an input shaft (6) protruding from the center of the plug (20) to a first side running along a center axis line, and a bearing arrangement part (7A) on which a support bearing (7) supporting the input shaft (6) is arranged. Relative to an outer ring end surface of the wave generator bearing (30) that faces the first side, a center-side plug end surface portion of a plug end surface facing the same direction is in a position withdrawn from the first side toward the opposite direction. The bearing arrangement part (7A) is provided between the center-side plug end surface portion and the outer ring end surface encircling the input shaft (6). The input shaft (6) can be fitted within the width dimension of the wave generator (5), and a wave gear device having a short axial length can be achieved.

Inventors:
KUROGI JUNICHI (JP)
KIYOSAWA YOSHIHIDE (JP)
Application Number:
PCT/JP2013/074577
Publication Date:
March 19, 2015
Filing Date:
September 11, 2013
Export Citation:
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Assignee:
HARMONIC DRIVE SYSTEMS (JP)
International Classes:
F16H1/32
Foreign References:
JP2002021948A2002-01-23
JPH01206137A1989-08-18
Attorney, Agent or Firm:
YOKOZAWA SHIRO (JP)
Shiro Yokozawa (JP)
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