Child proof closure

Details Child proof closure Child proof closure

1975-06-09

1976-03-30

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

B65D 5502, B65D 5556, A61H 100

Patent

active

039468909

ABSTRACT:
A child proof closure for containers having a threaded neck. A screw type cap has a first set of teeth mounted on its side the teeth being set at an angle to the axis of the cap. A drive member is loosely mounted on the cap for limited axial motion. A second set of teeth is mounted on said drive member, the teeth being angled in the same direction as the first set of teeth. When said drive member is turned in the direction to remove the cap, the interaction of said teeth lifts the drive member relative to the cap and the first and second sets of teeth disengage so that the cap cannot be removed soley by turning.

REFERENCES:
patent: 3853236 (1974-12-01), Ostrowsky
patent: 3878961 (1975-04-01), Curry et al.

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