| 摘要 |
This specification discloses a caliper disk brake which is mounted with respect to a support structure so as to improve sliding movement between the caliper housing of the disk brake and the support structure and thus reduce drag, piston shake backs, piston knock-back, and free brake pedal travel. The coupling between the support structure and the disk brake housing also permits some relative twisting movement so that the friction element of the disk brake can align against a rotatable disk or rotor which has also twisted. The coupling includes a mounted resilient bushing having an axial cavity wherein is received a sleeve having a low coefficient of friction. A supporting locating pin is slidably received within the sleeve thus permitting relative movement between the housing and the support structure in a direction transverse to the plane of the rotor. Additionally, the resilient bushing permits some rotational or twisting movement between the disk brake housing and the support structure.
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