Automatic shoe clearance adjusting device in shoe drum brake

Details Automatic shoe clearance adjusting device in shoe drum brake Automatic shoe clearance adjusting device in shoe drum brake

1976-05-26

1977-10-04

Kunin, Stephen G.

Brakes

Wheel

Transversely movable

188196BA, F16D 6556

Patent

active

040519287

ABSTRACT:
An automatic shoe clearance adjusting device in a shoe drum brake includes a strut of adjustable length having an adjust nut with ratchet teeth on the outer periphery thereof, an adjust lever having a pawl at one end thereof for cooperating the ratchet teeth, and a coil spring acting on the adjust lever for moving the pawl of the lever circumferentially and radially relative to the adjust nut by torsional and compressive forces respectively. A point through which the torsional force is transmitted to the lever, a point through which the torsional force is received by another member normally, and a fulcrum point around which the layer pivots in the radial direction are arranged such that these three points are adjacent to each other.

REFERENCES:
patent: 2570398 (1951-10-01), Smith
patent: 3583532 (1971-06-01), Hodkinson
patent: 3621947 (1971-11-01), Margetts
patent: 3719258 (1973-03-01), Margetts

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