Title:
BRAKE DEVICE FOR A HYDRAULIC MOTOR
Document Type and Number:
WIPO Patent Application WO/1996/020355
Kind Code:
A1
Abstract:
A brake device for a hydraulic motor comprising a fixed side friction plate and a movable side friction plate mounted, respectively, on a housing of a hydraulic motor and a cylinder block, a piston for press contacting the fixed side friction plate to the movable side friction plate, a spring for pressing the piston in a direction in which the two friction plates are press contacted together, and a piston pressure receiving chamber provided between the housing and the piston for pressing the piston in a direction in which the two friction plates are separated from each other by virtue of high pressure oil introduced thereinto, wherein the brake device further comprises a stopper for restricting the size of a gap between the fixed side friction plate and the movable side friction plate when the piston is moved in the direction in which the two friction plates are separated from each other, whereby a stroke through which the piston is moved in the direction in which the two friction plates are separated from each other is made greater than the size of the gap.
Inventors:
Maruta, Kazuhiro
Application Number:
PCT/JP1995/002701
Publication Date:
July 04, 1996
Filing Date:
December 26, 1995
Export Citation:
Assignee:
KOMATSU LTD
Maruta, Kazuhiro
Maruta, Kazuhiro
International Classes:
F03C1/40; F16D55/40; F16D59/02; F16D65/22; F16D55/00; (IPC1-7): F16D55/40; F15B11/08
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