Fluid handling – Inflatable article – With coupling means
Reexamination Certificate
2007-09-25
2007-09-25
Rivell, John (Department: 3753)
Fluid handling
Inflatable article
With coupling means
C137S224000
Reexamination Certificate
active
10635433
ABSTRACT:
A valve connector for coupling with inflation valves of vehicle tyres, comprising a housing, within the housing a coupling hole for coupling with an inflation valve, the coupling hole having a central axis and an outer opening, positioning means for positioning the inflation valve when coupled in the coupling hole, and an activating pin, which is arranged coaxially with the coupling hole, for depressing a central spring-force operated core pin of the inflation valve, a cylinder (303) having a cylinder wall provided with a pressure port which is connected to a pressure source, wherein the activating pin is shiftable between a proximal pin position and a distal pin position relative to the positioning means so as to depress the core pin of the inflation valve in its distal pin position and disengage the core pin of the inflation valve in its proximal pin position when the inflation valve is positioned by the positioning means, the activating pin is coupled with a piston (304) and the piston (304) is slidingly arranged in the cylinder (303) and is movable between a proximal piston position, which corresponds to the proximal pin position, and a distal piston position, which corresponds to the distal pin position. The piston (304) is disposed in the cylinder (303) between the pressure port and the coupling hole and is drivable from its proximal piston position to its distal piston position by the pressure supplied into the cylinder (303) from the pressure source, and that flow regulating means are provided for selectively interrupting or freeing a flow path between the pressure source and the coupling hole depending on the piston positions and are adapted such that the flow path is interrupted in the proximal piston position and the flow path is freed in the distal piston position at least when the inflation valve is positioned by the positioning means.
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Knobbe Martens Olson & Bear LLP
NVB International
Rivell John
LandOfFree
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