Title:
PLANETARY ROLLER REDUCTION GEAR
Document Type and Number:
WIPO Patent Application WO/2007/074595
Kind Code:
A1
Abstract:
A planetary roller reduction gear of a type directly connected to a motor comprises
a casing (6), an input shaft (3) received inside the casing and directly connected
to an output shaft (2) of a motor (1), input shaft bearings (20) interposed between
the casing and the input shaft and rotatably supporting the input shaft on the
casing, a sun shaft (4) fitted to the input shaft, a carrier (8) received in the
casing, planetary rollers (13) rotatably supported on the carrier and in external
contact with the sun shaft, an elastic ring (5)received in the casing and in internal
contact with the planetary rollers, and first elastic members (25a) installed
between the input shaft bearings and the input shaft and elastically supporting
the input shaft.
Inventors:
INAYOSHI FUMIO (JP)
Application Number:
PCT/JP2006/323186
Publication Date:
July 05, 2007
Filing Date:
November 21, 2006
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
INAYOSHI FUMIO (JP)
INAYOSHI FUMIO (JP)
International Classes:
F16C27/06; F16C35/063; F16C35/067; F16D3/74; F16H13/08; F16H57/02; H02K7/116
Domestic Patent References:
| WO2003047948A1 | 2003-06-12 |
Foreign References:
| JPH06307512A | 1994-11-01 | |||
| JP2001021017A | 2001-01-26 | |||
| JP2005160240A | 2005-06-16 | |||
| JP2005080399A | 2005-03-24 | |||
| JPS5870060U | 1983-05-12 | |||
| JP2002300748A | 2002-10-11 | |||
| JP2003072567A | 2003-03-12 | |||
| JPH0674313A | 1994-03-15 | |||
| JP2000320633A | 2000-11-24 |
Other References:
See also references of EP 1970580A4
Attorney, Agent or Firm:
TAKAHASHI, Norio et al. (Yaesu Chuo-k, Tokyo 53, JP)
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