Brakes – With condition indicator – Electrical
Patent
1996-01-31
1997-10-21
Graham, Matthew C.
Brakes
With condition indicator
Electrical
F16D 6602
Patent
active
056786611
ABSTRACT:
A brake abrasion detection device in a drum-type brake is disclosed. The device includes; a cylindrical housing made of insulating material having a hole at one end, and a female thread portion at the other end; a cap member where a male thread portion is formed at its circumference for connecting with the female thread portion and where a hole is formed at its center, a detector formed at the center portion of a flange held in the housing and contacting the recess formed in a brake lining through the hole of the housing; a spring made of a conductive material held by the housing and for applying pressure to the flange of the detector toward the brake lining; a connector installed opposite with respect to the flange of the detector and having a shaft externally extending from a flange for supporting the spring through the hole of the cap member; and a bracket for installing the housing a brake shoe, wherein a cable connected with an indication lamp is connected with the shaft, and depth of the recess formed at the brake lining is congruous with a braking efficiency limit line.
REFERENCES:
patent: 2814684 (1957-11-01), De Pascale
patent: 3479640 (1969-11-01), Puma
patent: 4188613 (1980-02-01), Yang et al.
patent: 4274511 (1981-06-01), Moriya
patent: 4508196 (1985-04-01), Jamon
patent: 4606434 (1986-08-01), Vasilow et al.
Graham Matthew C.
Kia Motors Corporation
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