Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1978-12-28
1980-11-25
Kazenske, Edward R.
Brakes
Wheel
Axially movable brake element or housing therefor
251353, 277 29, F16D 6502, F16D 55224
Patent
active
042353130
ABSTRACT:
Construction of a seal arrangement for a sliding part of a pin slide type disc brake having a boot attached to the edge of an open end of a cylindrical portion of a caliper to slidably engage the outer circumferential face of a slide pin in an airtight manner. The boot is arranged to have the inner circumference of one end part thereof elastically expandable. The slide pin is provided with a tapered flange part at one end thereof in such a way as to expand and enlarge the end part of the boot. When the slide pin is inserted to a full extent into the cylindrical portion of the caliper, the tapered flange part causes the end of the boot to enlarge to allow an increased portion of air pressure which is increased within the cylindrical portion of the caliper by the insertion of the slide pin to escape to the inside of the boot through an air flow passage provided in the tapered flange part of the slide pin.
REFERENCES:
patent: 4027750 (1977-06-01), Kawamoto et al.
patent: 4044866 (1977-08-01), Ishida
patent: 4084666 (1978-04-01), Karasudani
patent: 4123068 (1978-10-01), Van Gorder
Akebono Brake Industry Co. Ltd.
Kazenske Edward R.
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