US 12,122,333 B1
Parking brake
Randall D. Thompson, Lancaster, SC (US); and Jason S. Richardson, Chuckey, TN (US)
Assigned to Parker-Hannifin Corporation, Cleveland, OH (US)
Filed by Parker-Hannifin Corporation, Cleveland, OH (US)
Filed on Mar. 11, 2022, as Appl. No. 17/692,309.
Claims priority of provisional application 63/238,827, filed on Aug. 31, 2021.
Claims priority of provisional application 63/215,536, filed on Jun. 28, 2021.
Int. Cl. B60T 1/00 (2006.01); B60K 7/00 (2006.01); B60T 11/04 (2006.01)
CPC B60T 1/005 (2013.01) [B60K 7/0015 (2013.01); B60K 2007/0092 (2013.01); B60T 11/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An assembly comprising:
a brake shaft comprising gear teeth formed on a circumferential portion of the brake shaft, wherein the brake shaft is substantially constrained from moving in a longitudinal direction along a longitudinal axis of the brake shaft; and
a brake gear that is rotatably coupled to a drive shaft of a motor,
wherein the brake shaft is rotatable about the longitudinal axis between (i) a first position at which the gear teeth of the brake shaft are disengaged from the brake gear, thereby allowing the brake gear and the drive shaft to rotate, and (ii) a second position at which the gear teeth of the brake shaft engage the brake gear, thereby precluding the brake gear and the drive shaft from rotating due to the brake shaft being constrained from moving in the longitudinal direction.