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Pneumatic seat valve having a rapid exhaust mode

  • US 6,119,727 A
  • Filed: 06/16/1998
  • Issued: 09/19/2000
  • Est. Priority Date: 06/16/1998
  • Status: Expired due to Term
First Claim
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1. A pneumatic valve, suitable for use in a pneumatic seat, the valve comprising:

  • (a) a housing having an inlet port, a seat air inlet/outlet port, and at least a first exhaust port; and

    (b) a slide member supported by the housing for reciprocating movement relative to the housing to selectively control airflow therethrough, the slide member having an upper surface and a lower surface, the lower surface having a cammed portion to selectively and automatically permit rapid exhaustion of air from within the seat air inlet/outlet port, wherein the cammed portion further comprises a detent notch to selectively lock the slide member into a rapid exhaust position, wherein the seat air inlet/outlet port is in continuous fluid communication with the exhaust port to permit air to escape therethrough.

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