Patent ID: 6860570

Claim:
A vehicular parking brake apparatus, comprising: a right-side parking brake and a left-side parking brake that brake a right-side wheel and a left-side wheel, respectively, of at least one group of a front wheel group and a rear wheel group of a vehicle; a drive power source that operates the right-side parking brake and the left-side parking brake, wherein a transfer device mechanically transfers a drive power of the drive power source to the parking brakes, the transfer device including a transfer member train; and a controller that controls the drive power source, the controller including an antilock control portion that commonly controls an operating force of the transfer member train produced by driving the drive power source based on a state of slip of a wheel of the right-side wheel and the left-side wheel that exhibits a greater change in a state of wheel rotation, wherein the antilock control portion commonly controls the operating force of the transfer member train based on the state of slip of the wheel of the right-side wheel and the left-side wheel that exhibits a greater slip and the controller includes a stroke control portion that controls the operating force of the transfer member train so that a drive stroke approaches a target stroke determined based on the state of slip of the wheel.