Cap system with buoyant sliding cover and spring mechanism

Details Cap system with buoyant sliding cover and spring mechanism Cap system with buoyant sliding cover and spring mechanism

1996-05-31

1998-06-30

Cronin, Stephen

Receptacles

Container attachment or adjunct

Drinking device

2202032, 220254, 220348, 215315, A47G 1922

Patent

active

057720673

ABSTRACT:
A cap system for use with a beverage container that has automatic opening and closing capability is provided. A buoyant sliding cover is maintained partially within a casing or housing device in the cap and partially within the container itself. When the container is tilted to a drinking position, buoyancy forces act on the cover and force it to slide, thereby exposing an opening in the cap and allowing for the consumption of the liquid. When the container is returned to an upright, non-drinking position, a spring mechanism, built into the casing and attached to the sliding cover, acts to force the cover to a closed position, thereby covering the opening in the cap and preserving the integrity of the liquid inside.

REFERENCES:
patent: 2433142 (1947-12-01), Moen
patent: 3938690 (1976-02-01), Butler
patent: 4057167 (1977-11-01), Lee
patent: 5199597 (1993-04-01), Gladfish
patent: 5542575 (1996-08-01), Stark et al.

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