Light weight brake shoe apparatus with removable friction pad

Details Light weight brake shoe apparatus with removable friction pad Light weight brake shoe apparatus with removable friction pad

1997-01-02

1998-04-28

Graham, Matthew C.

Brakes

Elements

Shoes

188244, 188250B, F16D 6900

Patent

active

057433615

ABSTRACT:
A light-weight brake shoe for a rotary disc brake having a removable and replaceable friction pad. The brake shoe provides a thin-walled backing plate having a side wall for cooperatively engaging the friction pad. The side wall of the backing plate has a pair of raised lip portions for cooperatively engaging a complementary groove provided in the bottom wall of the friction pad. An irregularly shaped spring cooperatively engages a tapered groove provided in the top wall of the friction pad for biasing the friction pad into cooperative engagement with the side wall of the backing plate. The tapered groove of the friction pad provides a downwardly and inwardly biasing force in order that the friction pad maintains cooperative engagement with the side wall of the backing plate while also ensuring that the friction pad avoids dragging on the brake rotor of the vehicle when the brake is not activated.

REFERENCES:
patent: 2504712 (1950-04-01), Mann
patent: 2684133 (1954-07-01), Chester, Sr.
patent: 3275105 (1966-09-01), Petit
patent: 3400789 (1968-09-01), Mione
patent: 3477551 (1969-11-01), Beuchle
patent: 3482656 (1969-12-01), Shakespear
patent: 4090591 (1978-05-01), Pollinger et al.
patent: 4263992 (1981-04-01), Moore et al.
patent: 5038899 (1991-08-01), Weiler
patent: 5119909 (1992-06-01), Shim
patent: 5219047 (1993-06-01), Fouilleux et al.
patent: 5385216 (1995-01-01), Kulczcki
patent: 5396972 (1995-03-01), Grele

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