Spot-type disc brake, including a floating caliper having pressu

Details Spot-type disc brake, including a floating caliper having pressu Spot-type disc brake, including a floating caliper having pressu

1990-06-05

1992-02-25

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188264G, 277212FB, F16D 65097, F16D 6584, F16J 1532

Patent

active

050905201

ABSTRACT:
A pair of caliper guides (56) are arranged at a brake carrier (10) in a manner so as to be protected from contamination by elastic boots (64). A floating caliper (22) is guided on the caliper guides (56) and straddles the brake disc (12) as well as a pair of brake pads (14,16). A tappet (42) is provided for brake actuation and is guided so as to be axially displaceable in the floating caliper (22) at one side of the brake disc (12). Its actuating forces are exerted through a pressure plate (54) on the adjacent brake pad (14). In the range of the caliper guides (56) the pressure plate (54) is formed with a recess (68) each in its edge for the corresponding elastic boot (64). The elastic boots (64) are covered by stiff, cup-shaped caps (66) engaging with radial clearance in a respective one of the recesses (68) formed in the edge of the pressure plate (54). A heat insulation plate (72) is positioned between the pressure plate (54) and the adjacent brake pad (41). It covers the recesses (68) in the edge of the pressure plate (54) at least in part. In this way the boots (64) are protected from becoming overheated.

REFERENCES:
patent: 4085828 (1978-04-01), Thioux
patent: 4448288 (1984-05-01), Delaunay
patent: 4611694 (1986-09-01), Hickson et al.
patent: 4662484 (1987-05-01), Adachi et al.
patent: 4754854 (1988-07-01), Adachi et al.

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