| 摘要 |
<p>A ball seat for an inner ball-joint of a steering device is provided to easily adjust a toe-in with operating a tie rod by reducing a torque of a ball head placed on a ball seat through forming a rounding on periphery of the ball seat surface split at regular intervals and thereby actively rotating or oscillating the ball head. A ball seat(2) for an inner ball joint of a steering device receives a ball head formed on a terminus of a tie rod. A plurality of regular intervals(2a) are formed by cutting in a direction of inserting the ball head. A rounding(R) is formed on the edge of a ball seat surface(2b) adjacent with the regular intervals. The roundings are formed on both ends of the ball seat surface split by regular intervals. Forming the roundings reduces a contact area between the ball seat surface and the ball head while rotating or oscillating the ball head in a state of a ball seat receiving the ball head, and thereby reduces a torque of the ball head in the ball seat and easily adjust a toe-in through operating a tie rod.</p> |
