Snap-action closure with disengagable spring having stress relie

Dispensing – Snap-acting outlet element

Patent

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Details

220335, 220339, 222517, 222556, B65D 4314

Patent

active

049113372

ABSTRACT:
A closure is provided for a container. The closure has a body for being mounted over the container opening and defines an orifice for communicating through the container opening with the container interior. The body also defines a pair of spaced-apart bearing cavities. A lid is mounted to the body with a pair of trunnions for each being received in one of the bearing cavities. A compression link member has first and second ends with the first end connected to the body and the second end pivotally connected to the lid at a location spaced from the trunnion axis. The bearing cavities are configured and located to provide a clearance at least on opposite sides of each trunnion when the compression link member is in the full open position and in the full closed position.

REFERENCES:
patent: 3419198 (1968-12-01), Pettersen
patent: 3503544 (1970-03-01), Setera
patent: 4124151 (1978-11-01), Hazard
patent: 4209114 (1980-06-01), Wilson et al.
patent: 4457458 (1984-07-01), Heinol
patent: 4503991 (1985-03-01), Joyce
patent: 4607768 (1986-08-01), Taber et al.
patent: 4669622 (1987-06-01), Bennett

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