Child resistant cap having cap retention and cam surfaces

Details Child resistant cap having cap retention and cam surfaces Child resistant cap having cap retention and cam surfaces

1982-09-07

1984-01-10

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215237, 222153, B65D 5502

Patent

active

044249101

ABSTRACT:
A child resistant cap comprises a generally circular cap member having an inwardly projecting lip on the underside. When the cap is closed the lip engages a retention element formed in a second lip which surrounds the outlet of a tubular body portion. The body portion is molded into the top of a container. The cap and body portions are preferably connected by a strap and there may be a locking tab to secure the cap firmly in the seated position. The lip on the tubular body portion has a first, cam surface sloping from one side of the lip toward the other to assist in spreading the cap lip when seating the cap on the body portion. A second, undercut surface, contiguous with the first cam surface, forms a retention element which holds the cap in place.

REFERENCES:
patent: Re29793 (1978-10-01), Pehr
patent: 3593879 (1971-07-01), Gach
patent: 3826394 (1974-07-01), Stull
patent: 3877598 (1975-03-01), Hazard
patent: 4047495 (1977-09-01), O'Brian
patent: 4353483 (1982-10-01), Pehr
patent: 4378073 (1983-03-01), Luker

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