US 11,885,414 B2
Parking apparatus for vehicle with rack and pinion structure and transmission for vehicle including the same
Duk Soon Choi, Chungcheongnam-do (KR); and Sun Hyun Kim, Seoul (KR)
Assigned to NEOOTO CO., LTD., Seoul (KR)
Filed by NEOOTO CO., LTD., Seoul (KR)
Filed on Nov. 28, 2022, as Appl. No. 18/070,378.
Claims priority of application No. 10-2021-0169488 (KR), filed on Nov. 30, 2021.
Prior Publication US 2023/0167899 A1, Jun. 1, 2023
Int. Cl. F16H 63/34 (2006.01)
CPC F16H 63/3458 (2013.01) 4 Claims
OG exemplary drawing
 
1. A parking apparatus for a vehicle, comprising:
an actuator;
a pinion gear mounted on an end portion of the actuator and rotating in a same direction as the actuator rotates;
a rack gear engaged with one side of the pinion gear and linearly moving in a tangential direction to the pinion gear as the pinion gear rotates;
a push assembly including a push shaft extending from an end portion of the rack gear, a push head provided on one side of the push shaft and a push spring wound on the push shaft;
a parking sprag rotating according to an operation of the push assembly; and
a parking gear mounted on a driver and selectively engaged with the parking sprag as the parking sprag rotates,
wherein the push assembly is coaxially arranged with the rack gear,
wherein an one end portion of the push shaft is connected to an one end portion of the rack gear, the push head is provided on the other end portion of the push shaft, and
wherein the push shaft linearly moves, the parking sprag contacts the push head and selectively engaged with the parking gear while moving in a longitudinal direction of the push shaft.