Child resistant closure

Details Child resistant closure Child resistant closure

1990-02-01

1991-06-04

Elkins, Gary E.

Bottles and jars

Closures

Having warning means or means impeding closure removal

B65D 5502

Patent

active

050206818

ABSTRACT:
A child resistant closure comprising outer and inner nested closure members each of which has a base wall on a peripheral skirt with sets of lugs on the inner surface of the outer closure member and on the outer surface of the inner closure member which are adapted to be engaged when the members are moved axially toward one another. The outer surface of the base wall of the inner closure member is provided with a plurality of ramps and depressions and the inner surface of the base wall of the outer closure member is formed with a plurality of integral spring fingers. When the closure is applied, the springs fingers engage the depressions and orient the outer closure member and inner closure member preventing inadvertent engagement of the lugs by any top load. When the outer closure member is rotated relative to the inner closure member without bringing the lugs thereof into engagement, the spring fingers slip over the ramps allowing the outer closure member to rotate with respect to the inner closure member.

REFERENCES:
patent: 3097756 (1963-07-01), Dorsey
patent: 3472411 (1969-10-01), Turner
patent: 3795338 (1974-03-01), Swartzbaugh et al.
patent: 3853236 (1974-12-01), Ostrowsky
patent: 3857505 (1974-12-01), Mumford et al.
patent: 4394916 (1983-07-01), Smalley
patent: 4527701 (1985-07-01), Schaubeck

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