Tank cap

Details Tank cap Tank cap

1980-08-19

1981-09-01

Hall, George T.

Receptacles

Closures

External and internal bar or closure

220251, 220246, 220331, 220333, B65D 4500

Patent

active

042867274

ABSTRACT:
A retractable cap for a tank storing oil or the like for airplane use carries a handle that prevents the nacelle access door from closing unless the cap is secured in position. A double hinge arrangement for the cap assures that the "O" seal doesn't become distorted when the cap is replaced in the secured position.

REFERENCES:
patent: 3391817 (1968-07-01), Shaw
patent: 4189059 (1980-02-01), Shaw

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