Spring-loaded brake cylinder having locked stop body

Details Spring-loaded brake cylinder having locked stop body Spring-loaded brake cylinder having locked stop body

2011-06-21

2011-06-21

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

Relatively movable working members

First working member moves second coaxial working member...

C092S013600, C092S13000R, C091S36300A

Reexamination Certificate

active

07963210

ABSTRACT:
A spring-loaded brake cylinder for commercial vehicles includes at least one spring-loaded brake piston that can be actuated by a pre-loaded spring and is supported in a housing. A mechanical emergency release device is provided for the emergency release of the spring-loaded brake cylinder. The emergency release device includes an indicator that has an indicator rod indicating the position of the spring-loaded brake piston. The rod extends through a threaded spindle of the emergency release device and is movable in the axial direction. A stop body is disposed in the region of one end of the indicator rod. The stop body is positively connected to the indicator rod by a detent connection produced by an axial relative movement between the indicator rod and the stop body.

REFERENCES:
patent: 4729290 (1988-03-01), Ewald et al.
patent: 5632192 (1997-05-01), Plantan et al.
patent: 5943940 (1999-08-01), Angerfors
patent: 6588314 (2003-07-01), Stojic
patent: 2004/0060784 (2004-04-01), Gravier
patent: 196 30 795 (1998-02-01), None
patent: 198 30 154 (1999-01-01), None
patent: WO 97/07322 (1997-02-01), None
patent: WO 02/44004 (2002-06-01), None
International Search Report dated Jan. 30, 2009 with English translation (four (4) pages).

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