Title:
TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/013992
Kind Code:
A1
Abstract:
Provided is a transmission device that can increase the lubricity of a bearing of a planetary gear. The present disclosure is a transmission device comprising: a sun gear; a ring gear; a planetary gear; a bearing into which a shaft of the planetary gear is inserted; a differential case having a bearing holding part that holds the bearing; a differential mechanism disposed inside the differential case; and a gear case rotatably supporting the differential case. The bearing holding part has a cylindrical part that holds the bearing, and a pocket that has an internal space recessed from a radially inner side toward a radially outer side, and overlaps with the bearing in an axial direction. The gear case has a protrusion that overlaps with the pocket of the bearing holding part from the radially inner side, and protrudes axially toward the bearing.
Inventors:
OYAIZU KAZUMA (JP)
Application Number:
PCT/JP2022/027906
Publication Date:
January 18, 2024
Filing Date:
July 15, 2022
Export Citation:
Assignee:
MUSASHI SEIMITSU KOGYO KK (JP)
International Classes:
F16H57/04
Domestic Patent References:
| WO2012105482A1 | 2012-08-09 | |||
| WO2021137289A1 | 2021-07-08 |
Foreign References:
| JP2021110374A | 2021-08-02 | |||
| JPH07301306A | 1995-11-14 | |||
| JP2011174582A | 2011-09-08 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
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