Inflation control valves

Details Inflation control valves Inflation control valves

1974-05-23

1976-02-17

Knowles, Allen N.

Dispensing

Gas or vapor dispensing

With cutter or punch

137 68R, B67B 724

Patent

active

039387046

ABSTRACT:
There is disclosed in the application a valve including a body in which is slidably mounted a cam-actuated puncturing pin for piercing the seal of a pressurized gas supply container. The body includes a passage for conducting gas from the supply to an inflatable device and a normally open passage for venting the device while it is in a deflated state. Rotation of the cam is accomplished by a detachably coupled lanyard and the cam includes a restraint against inadvertent rotation and a coupling to the pin to prevent accidental operation until inflation is desired. In addition, a projection of the cam engageable by the pin prevents return motion of the cam once its puncturing tool actuation has started.

REFERENCES:
patent: 3248010 (1966-04-01), DeBoer
patent: 3507468 (1970-04-01), Lancaster
patent: 3591877 (1971-07-01), Schuler

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