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Patent Searching and Data


Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2013/136589
Kind Code:
A1
Abstract:
An electric motor (1) includes: a shaft (10) which is mounted to the rotor core (20), extends in the direction of the rotation axis (Zr) of the rotor core (20), and has one end (10C) to which a gear (71) can be mounted; a bearing (4A) which supports the shaft (10) on a housing (3) in a rotatable manner at a position further toward the gear (71) side than the rotor core (20); a tube-shaped collar (50) which is mounted to the outer periphery of the shaft (10) at a position between the bearing (4A) and the gear (71); and a bearing mounting member (12) which is mounted to the inside of the housing (3) from the rotor core (20) side and which mounts the bearing (4A) to the housing (3).

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Inventors:
TOKUNAGA HIROYUKI (JP)
OKAMOTO KAZUHIRO (JP)
OKABE AKIRA (JP)
Application Number:
PCT/JP2012/079553
Publication Date:
September 19, 2013
Filing Date:
November 14, 2012
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
H02K5/173; F16C19/06; F16C33/66; F16C33/78; F16C35/063; F16C35/067; F16C37/00; F16H55/17; F16H57/023; F16H57/029; F16H57/04; H02K7/116
Foreign References:
JPH0832143B21996-03-27
JPH1026218A1998-01-27
JPS62147170A1987-07-01
JP2007154998A2007-06-21
JPH04185262A1992-07-02
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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