Shoe drum brake

Details Shoe drum brake Shoe drum brake

1981-08-24

1983-03-01

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

188106F, 188205A, 192 99B, 192111A, F16D 5112, F16D 6556

Patent

active

043752527

ABSTRACT:
A shoe drum brake of the type including a pair of shoes, a first having a cylindrical portion, a second strut having external screw thread portion telescopically received in the cylindrical portion, an adjusting nut threadingly engaging with the screw thread portion of the second strut and abutting with the first strut, and an automatic shoe clearance adjusting mechanism associated with a hand brake lever, the mechanism comprises a supporting shaft pivotally connecting the hand brake lever with one end of either of the first and second struts, and an adjust lever for rotating the adjusting nut in association with the movement of the hand brake lever. A spring is provided to bias the automatic shoe clearance adjusting mechanism toward a backing plate.

REFERENCES:
patent: 2118188 (1938-05-01), Gallup
patent: 3023853 (1962-03-01), Nawrot
patent: 3621947 (1971-11-01), Margetts
patent: 4079819 (1978-03-01), Shirai
patent: 4167990 (1979-09-01), Steer et al.

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