Shoe hold-down device in a drum brake

Details Shoe hold-down device in a drum brake Shoe hold-down device in a drum brake

1980-05-14

1982-06-01

Reger, Duane A.

Brakes

Wheel

Transversely movable

F16D 6509

Patent

active

043323111

ABSTRACT:
A drum brake wherein a pair of brake shoes are held down, without departing from a backing plate, by means of a single shoe hold-down spring. The spring is made of a wire, being bent and wound symmetrically about an axis, and held by retainers secured to the backing plate, so as not to be substantially hampered from swinging about the axis; it is contacted to the pair of shoes at a pair of farthest distant symmetrical points from the axis. The contacting load at the pair of points with the shoes is naturally equalized or balanced, because the spring is not substantially hampered from swinging about the axis.

REFERENCES:
patent: 3294201 (1966-12-01), Swift

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