Oil drain valve assembly

Details Oil drain valve assembly Oil drain valve assembly

F - Mech Eng,Light,Heat,Weapons

01

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F01M 11/04 (2006.01) F16B 7/20 (2006.01) F16K 31/58 (2006.01) F16N 31/00 (2006.01)

Patent

CA 2070201

CASE 6285 OIL DRAIN VALVE ASSEMBLY ABSTRACT OF THE DISCLOSURE An oil drain valve assembly is provided for draining oil from an engine crankcase such as in a small internal combustion engine. The drain valve assembly includes an adaptor, an outer sleeve assembly, and interlocking for permitting opening of the valve assembly by relatively limited counter-clockwise rotation and subsequent pulling of the outer sleeve assembly relative to the adaptor. The interlocking means is formed of a pair of diametri- cally opposed J-slots disposed on the upper end of the outer sleeve assembly and co-mating locking pins disposed on the exterior surface of the adaptor. The locking pins are engageable with detents formed on the J-shaped slots to define a closed or sealed position.

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