Friction plate return mechanism

Details Friction plate return mechanism Friction plate return mechanism

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 65/54 (2006.01) F16D 55/34 (2006.01) F16D 65/14 (2006.01) F16D 55/00 (2006.01)

Patent

CA 2289812

A friction plate return mechanism is provided for disengaging a brake plate from frictional contact with a rotor disk in a brake assembly for vehicles. The mechanism includes a pin slidably received in a casing that is mounted to the vehicle. The pin is biased by a spring to a rear position and is fractionally connected using a retaining washer to the brake plate to move the brake plate in a rearward direction away from the rotor disk when a braking force is removed from the plate. Another retaining washer is received within the casing and axially movable in a predetermined distance. This retaining washer is also fractionally connected to the pin for permitting the pin freely moving in the forward direction with the brake plate during a braking action, but stopping the pin in a rearward movement together with the brake plate except moving together with the retaining washer over the predetermined distance. The advantages of the mechanism include a constant returning force and a constant travel distance of the brake plate regardless of the wearing of the contact surfaces between the brake plate and the rotor disk during the lifetime of the brake assembly.

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