Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1975-09-10
1976-04-20
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215272, 215295, 215221, B65D 5502, B65D 8556, A61J 100
Patent
active
039512916
ABSTRACT:
A so-called child-resistant closure for a container containing a substance which may be injurious to the person, especially to a child of tender years, e.g. poisonous household items such as rat poison. The closure is desirably molded in one piece and comprises two principal parts, one part adapted to be engaged and disengaged with a pouring neck of the container, e.g. a screw threaded connection, to obturate the opening thereof and another part surrounding the first and angularly and/or translationally displaceable relative thereto. Each of the parts is respectively provided with cams and cam followers so arranged that when the outer or surrounding part is angularly displaced with respect to the inner or surrounded part, as by grasping and turning, and/or shifting linearly, the cams and followers are engaged to exert inward radial force to supplement normal grip of the closure on the container neck.
REFERENCES:
patent: 3848761 (1974-11-01), Lifit
patent: 3893582 (1975-07-01), Kowalik
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