Brake disk with built-in acoustic wear-warning device

Details Brake disk with built-in acoustic wear-warning device Brake disk with built-in acoustic wear-warning device

1996-04-25

1997-09-02

Poon, Peter M.

Brakes

With condition indicator

Wear

188218XL, 188264E, 192 30W, F16D 6600

Patent

active

056621922

ABSTRACT:
A disk brake comprising a disk (1) which carries on each side a secondary friction layer (7) to which a primary friction layer (6) is affixed, wherein the friction layers (6, 7) are actuable by brake shoes (4, 5), wherein when at least one of the primary friction layers (6) is worn away contact between the secondary friction layer (7) and respective brake shoes (4, 5) will give rise to an indicating sound, and wherein cooling grooves (9) are provided in the primary friction layer (6), wherein each cooling groove (9) extends at least through the full thickness of the primary friction layer (6).

REFERENCES:
patent: 2516544 (1950-07-01), Breeze
patent: 3198295 (1965-08-01), Fangman et al.
patent: 3231058 (1966-01-01), Batchelor et al.
patent: 3435935 (1969-04-01), Warman
patent: 4049084 (1977-09-01), Beemer et al.

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