| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vehicle brake device requiring a small space and having a high efficiency. SOLUTION: This vehicle brake device fixed in a stationary housing 4 in such a way as not rotatable is equipped with a spindle 1 furnished with a screw displaceable in the axial direction toward or apart from the brake disc 6 of a brake and a nut 2 surrounding the spindle 1, to displace the spindle vehicle 1, having a longitudinally stretching axis, attached to the housing 4 rotatably round the longitudinal axis, and coupled with the rotor of a drive motor 9, in which a motion transmitting inclination unit 10 including a rolling element is installed between the nut 2 and motor 9, and at the final stage of stroke of the spindle, an additional stroke is given by the cam effect of the rolling element.</p> |
