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OwnerScott Nightlinger, Agnieszka Nightlinger +2inventors
InventorsScott Nightlinger, Agnieszka Nightlinger, Piotr Loniewski, Grzegorz Loniewski
Estimating the term…
Improved oil drainage structure and method of drainage for a combustion engine crank case oil pan or the like. This drainage structure provides safe operation along with simple and low cost manufacture and installation in both already existing and newly manufactured crank case oil pans. The improved drainage structure consists of an improved oil drain plug and holding means. The head of the oil drain plug possesses an additional recess designed to facilitate operational engagement with a correspondingly designed elongated holding means. The oil drain plug, elongated holding means, and associated method for unscrewing and removing the oil drain plug allow for the safer, simpler, and cleaner drainage of the used and hot oil.
An oil drainage structure for a combustion engine crank case or the like, having an oil drain opening therethrough in a lower portion thereof having internal threads therein and an oil drain plug including a stem portion having external threads thereon and a head on one end of the stem portion adapted to facilitate screwing of the oil drain plug into and out of the oil drain opening,
A method of removing oil from a combustion engine crankcase or the like, having a threaded oil drain opening sealed by a threaded oil drain plug comprising an internal recess for placement of an elongated holding means during an oil exchange process, comprising the steps of:
A method of removing oil from a combustion engine crankcase or the like, having a threaded oil drain opening sealed by a threaded oil drain plug comprising an internal recess for placement of an elongated holding means during an oil exchange process, comprising the steps of:
Dependencies are inferred from the claim text.