Drum brake shoe hold down nail and spring retainer

Details Drum brake shoe hold down nail and spring retainer Drum brake shoe hold down nail and spring retainer

1993-07-02

1994-11-29

Kashnikow, Andres

Brakes

Wheel

Transversely movable

188340, F16D 5100

Patent

active

053681398

ABSTRACT:
A new and improved brake shoe hold down mechanism for retaining a brake shoe to an inside surface of a backing plate includes a nail having a head disposed on an outside surface of the backing plate limiting axial travel of the nail and a barb-like tip adapted to pass through apertures in the backing plate and a web of the brake shoe. A wire spring is disposed on a first end against the brake shoe and has a coil on a second aligned with the tip of the nail. A cup shaped retainer cap is compressively seated against the spring coil and engaged by the tip of the nail at a bottom of the cap thereby biasing the brake shoe against the backing plate. The retainer cap has a slot from a first position at which the nail tip is received and which is offset from the bottom of the cap to a second position at a bottom of the cap to which the tip is biased by the compressive spring load. The tip engages the bottom of the cap independent of orientation to the slot.

REFERENCES:
patent: 2111297 (1938-03-01), Pontius, Jr.
patent: 2352392 (1944-06-01), Kost
patent: 2796954 (1957-06-01), Kaiser
patent: 2859839 (1958-11-01), Throne et al.
patent: 2868484 (1959-01-01), Burrise
patent: 3186519 (1965-06-01), Johannesen
patent: 3343633 (1967-09-01), Kennel et al.
patent: 3459096 (1969-08-01), Parkin
patent: 4623050 (1986-11-01), Copp
patent: 4842465 (1989-06-01), Pease et al.

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