Parking brake system including a brake cylinder

Details Parking brake system including a brake cylinder Parking brake system including a brake cylinder

2007-01-16

2007-01-16

Kramer, Devon (Department: 3683)

Brakes

Operators

Spring

C188S265000

Reexamination Certificate

active

11035064

ABSTRACT:
A brake system for a rail vehicle including a brake cylinder having a housing, a port on the housing for receiving fluid pressure signals, a pressure piston carried inside the housing, and a shaft inside the housing. The shaft is connected at one end to the pressure piston and at the other end to a device to apply and release the brakes of the rail vehicle. A parking brake locking mechanism is located inside the housing and includes first and second elements cooperating to lock and unlock the parking brake locking mechanism. Further included is means for unlocking the parking brake locking mechanism from the locked position.

REFERENCES:
patent: 4493246 (1985-01-01), Dalibout
patent: 4544047 (1985-10-01), Clemmons et al.
patent: 6435321 (2002-08-01), Asano
patent: 6854570 (2005-02-01), Connell
patent: 2004/0226779 (2004-11-01), Connell
patent: 2005/0092563 (2005-05-01), McCann et al.
patent: 2005/0179315 (2005-08-01), Severinsson

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