Internal shoe drum brake adjuster with mechanically operated bra

Details Internal shoe drum brake adjuster with mechanically operated bra Internal shoe drum brake adjuster with mechanically operated bra

1976-10-12

1978-03-21

Blix, Trygve M.

Brakes

Wheel

Transversely movable

188 795P, 188106A, 188196BA, F16D 5112

Patent

active

040798194

ABSTRACT:
An improved adjuster for a shoe drum brake comprising a strut of adjustable length extending between one of the brake shoes and an arm of an operating lever that is actuated by a hand brake. The strut has a threaded part or spindle and a ratchet threadedly engaging with the threaded part. The adjuster also comprises a pawl arm carried by the arm of the operating lever and having a pawl cooperating with the ratchet. The arm of the operating lever is formed with a nose positioned for engagement with the other one of the brake shoes. The threaded part of the strut is formed with a stopper which is adapted to engage with the ratchet to define the minimum length of the strut.

REFERENCES:
patent: 3583532 (1971-06-01), Hodkinson
patent: 3719258 (1973-03-01), Margetts
patent: 3722635 (1973-03-01), Torii et al.

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