Patent ID: 6550416
Filing Date: 2003-04-22
Classification: G10K,Y10S,Y10T

Abstract:
A pneumatic valve device for use with a pneumatically operable device and a storage vessel for pressurized gas at a pressure to operate the pneumatically operable device comprising:a pneumatic valve pneumatically connectable to the storage vessel to admit and release pressurized gas into and from the storage vessel; connecting means for pneumatically connecting said pneumatic valve to the pneumatically operable device to conduct pressurized gas released through said pneumatic valve to the pneumatically operable device; and a manually operable control means operable to release pressurized gas from the pneumatic valve into the connecting means; said manually operable control means having a closed position covering the pneumatic valve and permitting the release of pressurized gas from the pneumatic valve into the connecting means and an open position not covering the pneumatic valve and permitting access to the pneumatic valve to refill the storage vessel by admitting gas through the pneumatic valve.