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

1977-12-14

1979-04-10

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

192111A, F16D 6556

Patent

active

041483804

ABSTRACT:
An automatic shoe clearance adjusting device in a shoe drum brake of the type including a first strut member, a second strut member telescopically projecting from the first strut member, an adjusting nut rotatably mounted on the first strut member and engaging in screw threaded engagement with the second strut member, a member for rotating the adjusting nut in one direction, and a structure for controlling the rotation of the adjusting nut in the opposite direction. The rotation control structure is associated with a heat responsive element such that when the temperature in the brake exceeds a predetermined level, the adjustment of shoe clearance will not be effected.

REFERENCES:
patent: 2264454 (1941-12-01), Para
patent: 2570398 (1951-10-01), Smith
patent: 4061211 (1977-12-01), Hoshino et al.

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