Title:
SPEED REDUCTION MECHANISM AND SPEED REDUCTION MECHANISM-EQUIPPED MOTOR
Document Type and Number:
WIPO Patent Application WO/2021/065120
Kind Code:
A1
Abstract:
Provided are a speed reduction mechanism comprising interlocking gears capable of further increasing a reduction ratio, and a motor equipped with the speed reduction mechanism. In the present invention, one spiral-shaped engagement projection part 31c is provided to a pinion gear 31, a plurality of engagement recess parts 32d to which the engagement projection part 31c engages are provided to a helical gear 32, the engagement projection part 31c and the engagement recess parts 32d are both formed such that the cross-sectional shapes thereof along a direction perpendicular to the axial direction of the pinion gear 31 are arc-shaped, and the shape of oblique teeth 32c and the shape of the engagement recess parts 32d are determined on the basis of the shape of the engagement projection part 31c provided to a spiral-shaped tooth 31b.
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Inventors:
TOKIZAKI TEPPEI (JP)
KOJIMA NAOKI (JP)
KOBAYASHI MOTOAKI (JP)
KUMAGAI SHUNJI (JP)
KOJIMA NAOKI (JP)
KOBAYASHI MOTOAKI (JP)
KUMAGAI SHUNJI (JP)
Application Number:
PCT/JP2020/025294
Publication Date:
April 08, 2021
Filing Date:
June 26, 2020
Export Citation:
Assignee:
MITSUBA CORP (JP)
International Classes:
F16H1/08; F16H55/08; F16H55/17; H02K7/116
Domestic Patent References:
| WO2019194222A1 | 2019-10-10 |
Foreign References:
| US20100095792A1 | 2010-04-22 | |||
| CN101328967A | 2008-12-24 | |||
| JP2009248852A | 2009-10-29 | |||
| JP2017133582A | 2017-08-03 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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