Title:
MOTOR
Document Type and Number:
Japanese Patent JP2017190825
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a motor restricting the corotation of an outer ring in a simple configuration.SOLUTION: A motor 1 of the invention comprises: a shaft 11; a first roller bearing 13 having a first inner race 13a located on the outer peripheral surface side of the one end side of the shaft 11 and a first outer ring 13b located outside the first inner race 13a; a second roller bearing 14 having a second inner race 14a located on the outer peripheral surface side of the other end side of the shaft 11 and a second outer ring 14b located outside the second inner race 14a; a casing 30 accommodating the first roller bearing 13 and the second roller bearing 14; and an elastic member 40 disposed on one end side of the first roller bearing 13 for endowing the first roller bearing 13 and the second roller bearing 14 with the precompression. With the first roller bearing 13, the first outer ring 13b is clearance-fitted to the casing 30; and the elastic member 40 includes: a body part 41 generating a biasing force for biasing the first outer ring 13b toward on the other end side; and a clamping part 42 for clamping the first outer ring 13b.SELECTED DRAWING: Figure 1
Inventors:
OMURA JUN
Application Number:
JP2016080046A
Publication Date:
October 19, 2017
Filing Date:
April 13, 2016
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
F16C35/067; F16C25/06; H02K5/173; H02K7/08
Domestic Patent References:
| JP2008175337A | 2008-07-31 | |||
| JPH0182653U | 1989-06-01 | |||
| JPH08149741A | 1996-06-07 | |||
| JP2000213447A | 2000-08-02 | |||
| JP2009192035A | 2009-08-27 | |||
| JPH0946954A | 1997-02-14 |
Attorney, Agent or Firm:
Tomohiro Sakamoto
Ayumi Yada
Toshihiro Oishi
Ayumi Yada
Toshihiro Oishi