Device for controlling discharge from a pneumatic enclosure unde

Details Device for controlling discharge from a pneumatic enclosure unde Device for controlling discharge from a pneumatic enclosure unde

1992-07-16

1994-03-22

Ball, Michael W.

Fluid handling

Inflatable article

With cap

137230, 152428, 251 94, F16K 1520

Patent

active

052955044

ABSTRACT:
A device for controlling discharge from a pneumatic enclosure under pressure, in particular for controlling rapid deflation of a tire to a predetermined pressure value after the device has been assembled to a valve fitted to the enclosure, the device comprising a pushbutton for actuating a striker adapted to cooperate with the deflation pin of the valve and slidably mounted in a case which provides a chamber coaxially around the striker for the deflation pin, at least one vent hole being provided for exhausting the gaseous fluid contained in the enclosure to be deflated, and the striker being slidably mounted in a piston-washer received in said chamber and adapted to cooperate with the striker by a wedging action to hold the striker in a position that allows escape of the gaseous fluid contained in the enclosure.

REFERENCES:
patent: 1179668 (1916-04-01), Shewmaker
patent: 4151863 (1979-05-01), Stevens et al.
patent: 4445527 (1984-05-01), Leimbach
patent: 4681148 (1987-07-01), Decker, Jr. et al.
patent: 4883107 (1989-11-01), Keys

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