Floating-caliper spot-type disc brake

Details Floating-caliper spot-type disc brake Floating-caliper spot-type disc brake

1983-07-29

1985-01-22

Butler, Douglas C.

Brakes

Wheel

Axially movable brake element or housing therefor

188 723, 188 725, 188196R, 188264G, 188370, F16D 6520

Patent

active

044946309

ABSTRACT:
In floating-caliper disc brakes, the friction in the caliper guides hinder movement of the caliper in the brake release direction, thus, increasing the drag of the brake when it is not operated. According to the present invention, the reaction portion of the caliper is provided with an applying piston of small axial length whose axial movement is limited to an amount equal to the required brake clearance. The applying piston is spring biased in the release direction, thus, producing the brake clearance without movement of the caliper.

REFERENCES:
patent: 2517973 (1950-08-01), Caldwell et al.
patent: 2754936 (1956-07-01), Butler
patent: 2922495 (1960-01-01), Griswold
patent: 3255846 (1966-06-01), Livezey
patent: 3448835 (1969-06-01), Inada
patent: 3470984 (1969-10-01), Goddard
patent: 3654689 (1972-04-01), Schwarz
patent: 3675743 (1972-07-01), Thompson
patent: 3772940 (1973-11-01), Ohtsuka et al.
patent: 3791492 (1974-02-01), Neilson
patent: 3995723 (1976-12-01), Holcomb, Jr.
patent: 4058084 (1977-11-01), Kawaguchi et al.
patent: 4093043 (1978-06-01), Smith
patent: 4163483 (1979-08-01), Baba et al.

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