The shaft of threaded pin 93 incorporates high-lead external threads 94 upon which is received a threaded sleeve 95 having mating high-lead internal threads. A threaded pin extends through caliper housing 91 and into cavity 100 and piston 92. The prior art parking brake and caliper combination comprises a caliper housing 91 having an internal cavity 100 within which piston 92 is acted upon by brake fluid to translate piston 92 with respect to caliper housing 91. It is also known in the art to incorporate a parking brake within the caliper, and such a prior art parking brake 90 is shown in FIG. Such a configuration is generally shown in FIG. F16D2125/36- Helical cams, Ball-rotating rampsĪ disc brake operates on the principal of hydraulically actuating a piston in a caliper to force opposing brake pads against parallel faces of a rotor attached to the rotating wheel. ![]()
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