Cap for a tank

Details Cap for a tank Cap for a tank

1984-08-14

1985-06-25

Hall, George T.

Receptacles

Closures

Vent in closure

B65D 5116

Patent

active

045248818

ABSTRACT:
The invention is directed to a cap for a tank such as the fuel tank of a motor-driven chain saw or the like and includes a grip housing. The grip housing threadably engages a tank opening when rotated about its central axis whereby a seal lying transversely to the central axis is pressed against an end face of the tank opening. The grip housing includes a ventilating arrangement having a screw screwed into a bore to define a helical air channel. The air channel is bounded by the wall of the bore and the thread of the screw. The bore and the screw are arranged in the grip housing so that they are aligned transversely to the central axis of the grip housing.

REFERENCES:
patent: 3983891 (1976-10-01), Shoemaker
patent: 4392584 (1983-07-01), Bauer

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