Patent ID: 9580055
Date: 2017-02-28
CPC Classifications: B60T,F16D

Claim:
1. A parking brake apparatus comprising: a nut screw rotatable about an axis; a bolt screw engaged with the nut screw and configured to move in a longitudinal direction relative to the nut screw when the nut screw rotates; a cable comprising a first end portion connected to the bolt screw and a second end portion; a motor unit connected to the nut screw and configured to rotate the nut screw; a hook connected to the second end portion of the cable; a cable coupler disposed between and interconnecting the bolt screw and the cable, the cable coupler being movable in the longitudinal direction; a guide pipe defining an internal space in which the cable coupler is disposed, and configured to guide the movement of the cable coupler such that the cable moves in the longitudinal direction; and an elastic member installed between the cable coupler and a flange wall of the guide pipe and configured to block a collision between the cable coupler and the guide pipe.