Title:
PARK LOCK DEVICE OF VEHICLE DRIVE UNIT AND IN-WHEEL MOTOR DRIVE UNIT USING THE SAME
Document Type and Number:
Japanese Patent JP2020003041
Kind Code:
A
Abstract:
To prevent the enlargement of a park lock device.SOLUTION: A park lock device comprises: a park gear 51 arranged at one of rotating shafts of a vehicle drive unit, and has a plurality of engagement recesses 51a at an external peripheral part; an engagement pin 52 engaged with the recess 51a of the park gear 51; and a park cam 54 for making the engagement pin 51 movable to a position engaged with the recess 51a of the park gear 51, and a standby position not engaged with the recess. The engagement pin 52 has an abutment part 52b abutting on the park cam 54, and moves to the park gear 51 in a radial direction depending on an abutment state of the park cam 54 and the abutment part 52b. The park cam 54 is a rotating cam abutting on the abutment part 52b of the engagement pin 52, and the engagement pin 52 is arranged on a line for connecting a rotation center of the park gear 54 and a rotation center of a rotating shaft 55 for rotating the park cam 54.SELECTED DRAWING: Figure 8
Inventors:
YOKOYAMA TAKESHI
YUKISHIMA MAKOTO
YUKISHIMA MAKOTO
Application Number:
JP2018124891A
Publication Date:
January 09, 2020
Filing Date:
June 29, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H63/34; B60K7/00; B60K17/14; B60T1/06; F16D63/00; F16D65/16; F16H1/08
Domestic Patent References:
| JP2017067108A | 2017-04-06 | |||
| JP2011057011A | 2011-03-24 | |||
| JP2004353739A | 2004-12-16 | |||
| JP2011098677A | 2011-05-19 |
Attorney, Agent or Firm:
Torii Kazuhisa
Torii Hiroshi
Torii Hiroshi