Child resistant closure

Details Child resistant closure Child resistant closure

1979-04-30

1980-09-23

Hall, George P.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215303, B65D 5502

Patent

active

042237939

ABSTRACT:
A child resistant closure or a container having a cap member and an outer ring. The cap has a lower internal threaded section and an outwardly directed flange with downwardly directed teeth at its top with a cylindrical part therebetween. The ring has internal threads and a flange with upwardly extending teeth. When the ring is rotated it first climbs up the threads on the cap and then can be lifted along the cylindrical part to bring the teeth on the ring into mesh with the teeth on a cap so that furthe rotation of the ring rotates the cap loosening it.

REFERENCES:
patent: 3669294 (1972-06-01), Petronelli et al.
patent: 3977554 (1976-08-01), Costa

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