Receptacles – Closures – Removable closure guided in rotary movement
Patent
1993-03-12
1994-11-29
Shoap, Allan N.
Receptacles
Closures
Removable closure guided in rotary movement
220367, 184 15, 222552, 222553, 251216, 141 7, 141 65, 141 98, B65D 5116
Patent
active
053681819
ABSTRACT:
A plug for a threaded opening in an oil pan or other fluid container. The plug has a cylindrical midportion and upper and lower threaded portions at each end of the midportion. The midportion has a side orifice that is connected to another orifice at the end of the upper threaded portion. The end of the lower threaded portion has a grip for turning the plug. The plug may be installed by screwing the upper threaded portion into the threaded opening, sliding the plug further into the container, and screwing the lower threaded portion into the container. Fluid may be drained or vented by unscrewing the lower threaded portion and sliding the plug out of the container until the side orifice is exposed. Once unscrewed, the plug may be rotated to orient the flow of fluid from the side orifice in any direction. Fluid flow may be stopped by sliding the plug into the container until the upper edge of the lower threads contact the container wall. The upper threaded portion prevents loss of the plug during draining yet allows the plug to be easily installed in and removed from existing containers.
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Shoap Allan N.
Stucker Nova
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