Safety closure

Details Safety closure Safety closure

1974-04-16

1976-03-16

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215218, B65D 5502, B65D 8556, A61J 100

Patent

active

039441016

ABSTRACT:
The invention contemplates a safety closure cap having axially compliant connection between two concentric parts, the inner of which has rotatable connection to a bottle neck or the like. The outer concentric part has ratcheting one-way engagement with coacting ratchet means on the bottle, the engaging direction being such as to oppose disengagement of the rotatable connection. Only by performing the extra operation of axially lifting the outer part of the cap, against the stiffness of the compliant connection, can the ratchet engagement be dislodged, to the extent permitting rotated disengagement of the bottle closure.

REFERENCES:
patent: 3422978 (1969-01-01), Quackenbush
patent: 3567057 (1971-03-01), Landen
patent: 3698584 (1972-10-01), Miller
patent: 3744655 (1973-07-01), Nixdorff, Jr.
patent: 3830391 (1974-08-01), Uhlig

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