Patent ID: 9139169
Filing Date: 2015-09-22
Classification: B60T,Y10T

Abstract:
1. A parking brake assembly for a motor vehicle, said parking brake assembly comprising: a pivot shaft supported in the motor vehicle by a fixed support; a brake pedal lever pivotally coupled to the pivot shaft by a main pivot having an outer surface; a roller clutch having a roller support disposed generally coaxially with the main pivot and directly engaging the main pivot, the roller clutch having at least one unidirectional roller disposed between the outer surface of the main pivot and an inner circumferential surface of the roller support and allowing unidirectional movement of the main pivot and brake pedal lever relative to the roller support, the roller support being rotatably coupled to the fixed support; and a lock-release mechanism having a block selectively movable between a locked position engaging the fixed and roller supports to prevent rotation of the roller support relative to the fixed support and an unlocked position disengaged from the roller support to allow rotation of the roller support, main pivot and brake pedal lever together in a direction opposite the unidirectional movement.