F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/153
F16D 55/224 (2006.01) F16D 65/14 (2006.01) F16D 65/18 (2006.01)
Patent
CA 1094468
Kobelt 17 c/w CALIPER BRAKE ASSEMBLY ABSTRACT OF THE DISCLOSURE Caliper brake assembly using a cam structure to actuate brake shoes to permit selection of a wide range of braking forces and to increase design flexibility. The assembly has a frame journalling a pair of opposed arms with opposed brake shoes hinged adjacent opposed inner ends of the arms to brake a disc sandwiched between the shoes. The cam structure includes a cam member having a cam surface which cooperates with a brake actuator so that the cam surface is displaced by the actuator. A pair of cam followers cooperate with the respective arms and the cam surface during brake actuation to rotate each arm about a respective hinge axis relative to the frame so as to force the shoes against the disc. In one em- bodiment the cam member is displaced parallel to the hinge axes and each cam follower includes a swivellably mounted roller to accommodate swinging of the arms. In an alternative embodiment, the cam has double-acting wedges in which the actuator effectively floats between the arms, A lever, or a spring within the actuator, permits the brake to be engaged without fluid pressure thus permitting the brake to be used as a static brake also.
287903
Fandrich Helmut E.
Kobelt Jacob
Carver & Company
Kobelt Jacob
LandOfFree
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