Receptacles – Closures – Removable closure guided in rotary movement
Patent
1988-02-22
1988-10-18
Hall, George T.
Receptacles
Closures
Removable closure guided in rotary movement
220293, B65D 4106, B65D 4136
Patent
active
047780770
ABSTRACT:
A lid closure assembly for a bin having a top wall and a circular passage through the top wall, the lid assembly comprising a generally circular lid member having a central portion and cylindrical rim portion with an outer diameter less than that of the passage, an outwardly open annular retaining groove in the rim portion having an O-ring seal disposed in the groove, and coacting means on the lid member and on the top wall of the bin for retaining the lid within the passage when the cylindrical rim portion of the lid member extends downwardly into the passage compressing the O-ring to maintain a seal.
REFERENCES:
patent: 3433385 (1969-03-01), Metivier
patent: 3443718 (1969-05-01), Pst
Hall George T.
Hoover Group Inc.
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