Child resistant package

Details Child resistant package Child resistant package

1982-03-11

1983-08-23

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215222, B65D 5502

Patent

active

043999204

ABSTRACT:
A child resistant package comprising an open-mouth plastic container and a closure. The container has a plurality of circumferentially spaced projections extending radially outwardly adjacent the open end thereof, each projection having a shoulder facing downwardly in one circumferential direction. A closure has a top panel and an annular skirt depending from the periphery of the top panel and a plurality of radially inwardly extending and circumferentially spaced locking lugs on the inner surface of the skirt. The locking lugs are adapted to engage the shoulders in the projections on the container. The closure has a liner sealingly engaging the open end of the container and extending downwardly into sealing engagement with the inner surface of the upper open end of the container. The closure has at least one cam lug positioned on the inner surface of the skirt such that it is positioned between projections when the closure is on the container and the locking lugs are in engagement with the projections. The cam lug has an inclined surface operable when an axial force is applied to the closure and the closure is rotated in a direction to disengage the locking lugs from the projections so that continued rotation of the closure will cam the closure axially upwardly disengaging the closure from the container.

REFERENCES:
patent: 3888383 (1975-06-01), Rowlands
patent: 4057159 (1977-11-01), Fillmore et al.
patent: 4059198 (1977-11-01), Mumford
patent: 4275817 (1981-06-01), Patton

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