Self-centering brake assembly incorporating a brake drum and aut

Details Self-centering brake assembly incorporating a brake drum and aut Self-centering brake assembly incorporating a brake drum and aut

1983-12-29

1986-01-14

Reger, Duane A.

Brakes

Wheel

Transversely movable

188 795GC, F16D 5114

Patent

active

045640904

ABSTRACT:
A self-centering brake assembly in which the leading shoe 12 and the trailing shoe 14 are connected in a duo servo braking mode. The connected ends of the shoes have an automatic adjuster comprising an adjuster lever return spring 70, an adjuster lever 74, a wire form link 76 and a pretension caged spring 78. The force of the adjuster lever return spring 70 and the placement of the wire form link 76 together with its pretension cage spring 78 develop a balanced force so that the moments about each anchored end of the shoe is substantially equal to 0. Shoes 12, 14 thus maintain concentricity of the brake shoe ring in relation to the brake drum 28.

REFERENCES:
patent: 2740498 (1956-04-01), Trahern
patent: 2938160 (1960-05-01), Dombeck et al.
patent: 3216533 (1965-11-01), Hagerty et al.

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