Spot-type floating-caliper disc brake

Details Spot-type floating-caliper disc brake Spot-type floating-caliper disc brake

1982-02-26

1984-12-18

Butler, Douglas C.

Brakes

Wheel

Axially movable brake element or housing therefor

188 7345, 188216, 188370, F16D 55224, F16D 6572

Patent

active

044886225

ABSTRACT:
The spot-type floating-caliper disc brake includes at least one guide bolt secured to the brake support member and extending from the support member into an axial bore of the floating caliper adjacent the side of the brake cylinder. A roll-back sealing ring is provided at both ends of the axial bore, one disposed in an annular groove of the floating caliper and the other disposed in an annular groove of the guide bolt. As a result, a pressure chamber is formed around the guide bolt which communicates with the hydraulic brake circuit. With this arrangement, the brake shoe that is connected directly to the floating caliper will be reset to the nominal brake clearance after a braking operation.

REFERENCES:
patent: 3376955 (1968-04-01), Kamps et al.
patent: 3421604 (1969-01-01), Hobbs
patent: 3688876 (1972-09-01), Hirai et al.
patent: 3976169 (1976-08-01), Ogawa
patent: 4053030 (1977-10-01), Bainard et al.
patent: 4074795 (1978-02-01), Kondo et al.
patent: 4084665 (1978-04-01), Burnett
patent: 4090590 (1978-05-01), Karasudani et al.
patent: 4222463 (1980-09-01), Domes et al.
patent: 4257496 (1981-03-01), Fujita et al.
patent: 4265340 (1981-05-01), Scott et al.

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