Receptacles – Closures – With condition responsive vent or valve
Patent
1979-04-09
1981-08-25
Shoap, Allan N.
Receptacles
Closures
With condition responsive vent or valve
137 43, 220303, 220374, B65D 5116
Patent
active
042854407
ABSTRACT:
A vented fuel reservoir filler cap having a check valve positioned intermediate an inner surface of that cap and an annular gasket seated in the cap so that both the gasket and check valve will in turn be captured between the cap inner surface and the fuel reservoir filler when the cap is in the reservoir closing position is disclosed with the check valve comprising a disc-like support with an elongated valve cavity carried by the support and having openings near opposite ends thereof with a valve member captive within the valve cavity and movable between a position near one cavity end for closing the valve and a position near the other cavity end allowing the valve to remain open. The spit resistant characteristics of the cap are enhanced by providing a baffle intermediate the check valve and an aperture in the fuel cap for venting the reservoir and may be further enhanced by providing another baffle on the side of the check valve opposite the first baffle. Inadvertent inversion of the reservoir allows the valve member to move into a valve closing position minimizing leakage from the cap aperture.
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Jeffers Albert L.
Rickert Roger M.
Shoap Allan N.
Tecumseh Products Company
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