Damping bushing

Details Damping bushing Damping bushing

1992-09-01

1994-04-05

Graham, Matthew C.

Brakes

Wheel

Axially movable brake element or housing therefor

277212FB, F16J 304

Patent

active

052996654

ABSTRACT:
A damping bushing for a guide pin of a spot-type disc brake is disclosed, having an elastic pleated cup formed with a first end section fixed to a cylindrical body receiving the guide pin, and also formed with a second end section adapted to be assembled to a ring fixed to the guide pin. The ring has a recess which accepts a torus integral with the second end section The torus (74) is formed with an outer large radius of curvature portion and an inner smaller radius of curvature portion which creates a cam shape. The larger radius portion allows a pleat of the second end section to force the torus over a cone shaped ring end and into the ring recess. The torus then is retained by the smaller radius portion engaging a corner of the recess.

REFERENCES:
patent: 4199159 (1980-04-01), Evans
patent: 4447066 (1984-05-01), Katagiri et al.
patent: 4469337 (1984-09-01), Yokoi et al.
patent: 4753326 (1988-06-01), Weiler et al.
patent: 4832161 (1989-05-01), Weiler et al.
patent: 5183136 (1993-02-01), Maeda et al.

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