Secondary pump of brake

Details Secondary pump of brake Secondary pump of brake

2007-03-27

2007-03-27

Lazo, Thomas E. (Department: 3745)

Motors: expansible chamber type

With motive fluid valve

Relatively movable inlet and exhaust valves for single...

C029S239000

Reexamination Certificate

active

11160546

ABSTRACT:
An adjustor for a secondary pump of a brake includes a stationary plate attached to the secondary pump, a cylinder attached to the stationary plate, a piston movable in the cylinder, a rod extended through the cylinder and connected to the piston, a handle connected to the cylinder, an inlet valve put on the handle, and an outlet valve put on the handle. Pressurized air can enter the cylinder through the handle and drive the piston and hence the rod while going in the cylinder. The inlet valve controls the inlet of the pressurized air into the cylinder through the cylinder handle. The outlet valve controls the release of the pressurized air from the cylinder through the handle.

REFERENCES:
patent: 3208353 (1965-09-01), Wandel
patent: 5003681 (1991-04-01), Schley
patent: 5018261 (1991-05-01), Markous
patent: 5678293 (1997-10-01), Sturdevant
patent: 6134764 (2000-10-01), Rivera
patent: 6195863 (2001-03-01), Blake
patent: 6678931 (2004-01-01), Tatasciore

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