Hold-down device for a brake shoe in a drum brake

Details Hold-down device for a brake shoe in a drum brake Hold-down device for a brake shoe in a drum brake

1995-05-03

1996-07-30

Ballato, Josie

Brakes

Wheel

Transversely movable

F16D 6508

Patent

active

055403107

ABSTRACT:
A brake shoe (12) is guided on an anchor plate (10) of a drum brake and held down by a pin (32) which extends through a hole (34, 36) each in the anchor plate and in a web (18) of the brake shoe (12). The pin (32) has a foot (38) which is supported on the anchor plate (10) and a head (42) which has a bottom of rotationally symmetrical configuration with respect to the pin (32) and rises radially outwardly. Between the head (42) and the web (18) a spring (46) is arranged which has a receiving portion (50) formed with a recessed seat (52) for the head (42) and with a slot (60) which serves for radially slipping the receiving portion (50) on to the pin (32). The seat (52) is shaped like a funnel having a circular upper edge (54). The slot (60) is defined by a pair of outer edges (62) and a pair of adjoining inner edges (64). The outer edges (62) of the slot (60) converge in the direction of the upper edge (54) of the seat (52). This configuration of the hold-down device facilitates assembly of the brake shoe (12) and reduces the risk of faulty assembly.

REFERENCES:
patent: 2263949 (1941-11-01), Harle
patent: 4623050 (1986-11-01), Copp

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