OIL FILLER CAP WITH BALL VALVE ANTI-STICKING DEVICE

摘要

A cap for sealing an outer end of an oil filler tube of an engine where the oil filler tube has an inner end with ball valve having a float ball and mating valve seat for impeding any reverse flow of oil during engine operation. The cap includes a sealable plug mating the tube outer end; a rod extending from the plug toward the inner end of the tube; and a valve openin g device mounted to the rod for dislodging the float ball from the valve seat.