主权项 |
1. A power steering apparatus comprising:
a worm gear that receives a drive force to rotate; a worm wheel that is connected to the worm gear, and exerts a steering assistance force on a steering wheel; a bearing portion that rotatably supports the worm gear; a biasing portion that biases the bearing portion in one direction to push the worm gear against the worm wheel; a supporting portion that supports the bearing portion, and guides a movement of the bearing portion along the one direction; and a shock absorbing mechanism that is provided at a location, wherein the bearing portion moves in an opposite direction of the one direction to be brought into contact with the shock absorbing mechanism at the location. |