Title:
MOTOR UNIT AND DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/070014
Kind Code:
A1
Abstract:
A reducer has: a multi-stage planetary gear mechanism linked in the axial direction; a reducer case that accommodates the planetary gear mechanism; and a switching mechanism that switches a drive transmission state between an output shaft and a motor. The switching mechanism has: a gear-side recessed section that is recessed from the outer peripheral end of an internal gear of the planetary gear mechanism to the inner side in the radial direction, and opens to one side in the axial direction of the internal gear; a case-side recessed section that is recessed from the outer peripheral surface of the internal gear and the inner peripheral surface of the reducer case facing in the radial direction to the outer side in the radial direction, and opens to one side in the axial direction; and a lock pin that is inserted in the axial direction into a hole constituted by the gear-side recessed section and the case-side recessed section in a position in which the gear-side recessed section and the case-side recessed section are facing in the radial direction.
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Inventors:
KASAI SHINYA (JP)
UCHIDA KEIJI (JP)
UCHIDA KEIJI (JP)
Application Number:
PCT/JP2018/037159
Publication Date:
April 11, 2019
Filing Date:
October 04, 2018
Export Citation:
Assignee:
NIDEC SERVO CORP (JP)
International Classes:
E06B9/72; E06B9/74; F16H1/46
Foreign References:
| JP2008240508A | 2008-10-09 | |||
| JP2010255833A | 2010-11-11 |
Attorney, Agent or Firm:
AOYAMA Kozo (JP)
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