Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1998-03-25
2000-04-04
Graham, Matthew C.
Brakes
Wheel
Axially movable brake element or housing therefor
277177, F16D 5518
Patent
active
060449365
ABSTRACT:
An improved disk brake which provides both low dragging torque and good pedal feeling even on ABS-equipped vehicles with which the working fluid pressure is around or over 140 kgf/cm.sup.2. The disk brake has a piston seal fitted in a groove formed in the cylinder. The piston seal is deformed when the brake piston is advanced by fluid pressure to press the pad and retracts the piston by its spring-back force when the fluid pressure is released. The width W of chamfer provided at edge of the seal groove is set to 1.0 mm or over and the hardness of the piston seal is set to 75.degree. IRHD or over.
REFERENCES:
patent: 5826681 (1998-10-01), Kubo et al.
Igarashi Yousuke
Inoue Katsuo
Kubo Atsushi
Matsumoto Atsuo
Matsuzaki Yoshiki
Graham Matthew C.
Sumitomo Electric Industries Ltd.
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