Lubrication – Lubricators – Refilling device
Patent
1990-02-20
1991-06-11
Lazarus, Ira S.
Lubrication
Lubricators
Refilling device
184 15, 220 862, F16N 2100
Patent
active
050224956
ABSTRACT:
An oil fill tube assembly for an internal combustion engine. The assembly includes a tube having a lower end communicating with the crankcase of the engine and an open upper end that is enclosed by a cap. The undersurface of the cap carries a dipstick which extends downwardly within the tube. The upper end of the tube has a pair of locking elements which are spaced circumferentially with the spaces between the elements being of different circumferential dimension. The lower edge of a peripheral flange on the cap has a pair of locking lugs of different circumferential dimension that are constructed and arranged to be received within the spaces between the locking elements of the tube as the cap is inserted on the tube. The locking elements and the locking lugs are provided with mating cam surfaces so that when the cap is rotated one quarter of a turn, a seal on the under surface of the cap will be forced against the upper end of the tube to tightly seal the cap to the tube.
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Briggs & Stratton Corporation
Cariaso Alan B.
Lazarus Ira S.
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