F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
138/84.1
F16D 51/64 (2006.01) F16D 65/14 (2006.01) F16D 65/22 (2006.01)
Patent
CA 1204649
AN EMERGENCY AND SERVICE BRAKE ACTUATOR Abstract of the Disclosure An improved emergency and service brake actuator for a wedge type brake is of the type which includes a tubular structure extending from the brake and housing an extended end of a stem of the wedge of the brake therein. An emergency brake actuation portion is mounted on the tubular structure and includes an emergency actuation rod extending into the tubular structure. The emergency brake actuation portion is capable of producing axial movement of the emergency actuation rod to cause an end thereof within an interior of the tubular structure to be selectively located at one of a first position toward the brake for emergency actuation of the brake and a second position remote from the brake. The improvement includes a service cylinder mounted on the end of the emergency actuation rod within the interior of the tubular structure and capable of being axially moved therein. A service piston is mounted on the extended end of the stem for sealed movement within the service cylinder. Service hydraulic fluid is introduced to and discharged from the interior of the service cylinder to act on the service piston to produce relative movement therebetween when the emergency actuation rod is in the second position.
442046
Kirby Eades Gale Baker
Rockwell International Corporation
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