| 摘要 |
<p>A composite vehicular brake piston includes a cylindrical resin body having an open end and a closed end and a metallic cap extending over the end wall of the open end and secured to the body by an anchoring means, for example, a crimp, notch or serration in the inner edge of the metallic cap which engages the piston body, the metal cap is adapted to receive and hold a brake shoe clip; in particular the cap provides a protective cover for the piston face nearest the braking means, which face may be plastic, and also provides means for retaining a dust boot; the cap may also provide a means for shielding the dust boot from the adverse affects of heat.</p> |
