Title:
減速機構および減速機構付モータ
Document Type and Number:
Japanese Patent JP7299124
Kind Code:
B2
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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| JP6206100 | Shift device |
| WO/2017/136263 | ADVANCED HERRINGBONE GEAR DESIGN |
Inventors:
Teppei Tokizaki
Naoki Kojima
Mikiaki Kobayashi
Shunji Kumagai
Naoki Kojima
Mikiaki Kobayashi
Shunji Kumagai
Application Number:
JP2019178263A
Publication Date:
June 27, 2023
Filing Date:
September 30, 2019
Export Citation:
Assignee:
Mitsuba Co., Ltd.
International Classes:
F16H1/08; F16H55/08; F16H55/17; H02K7/116
Domestic Patent References:
| JP2009248852A |
Foreign References:
| US20100095792 | ||||
| CN101328967A | ||||
| WO2019194222A1 |
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office