F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/211
F16D 65/32 (2006.01)
Patent
CA 1154387
(Case No. 7080) ABSTRACT OF THE DISCLOSURE A brake cylinder device having a spring-applied primary piston that is slidably mounted on a piston rod of a fluid pressure operated secondary piston. A stop is formed on the piston rod so as to be engaged by the primary piston when actuated in a brake application direction by its spring, while the secondary piston actuates the piston rod indepen- dently of the primary piston when the fluid pressure operated secondary piston is actuated. The free end of the piston rod operates within a hydraulic cylinder to generate hydraulic pressure in a hydraulic brake unit to which the hydraulic cylinder is connected to obtain a hydraulic brake application responsive to either a spring applied parking brake or a pneu- matic service brake.
365305
Iwaizako Akihiro
Kishimoto Takeshi
Fetherstonhaugh & Co.
Nippon Air Brake Co. Ltd.
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