Title:
STEPPING MOTOR
Document Type and Number:
Japanese Patent JP3877990
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a stepping motor which does not generate plays at a bearing guide at a high temperature or a low temperature, even if the bearing guide is made of resin.
SOLUTION: The stepping motor has a bearing 8 holding a rotor shaft 6, a bearing guide 10 holding the bearing 8, a metal guide holding collar 13, having a linear expansion coefficient sufficiently different from that of the bearing guide 10 and holding the bearing guide 10. The bearing guide 10 has a circumferential groove 15a, into which the guide holding collar 13 is pressed.
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Inventors:
Takehide Nakamura
Application Number:
JP2001291305A
Publication Date:
February 07, 2007
Filing Date:
September 25, 2001
Export Citation:
Assignee:
Aisan Industry Co., Ltd.
International Classes:
F02M25/07; H02K5/173; F16B4/00; H02K37/24; (IPC1-7): H02K5/173; F02M25/07; F16B4/00; H02K37/24
Domestic Patent References:
| JP5236694A | ||||
| JP7107695A | ||||
| JP2001153183A |
Foreign References:
| WO2001061225A1 |
Attorney, Agent or Firm:
Akio Iida
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