Receptacles – Closures – With closure opening arrangements for means
Patent
1975-09-02
1976-06-22
Hall, George T.
Receptacles
Closures
With closure opening arrangements for means
220306, 215224, 222153, 222182, B65D 4304
Patent
active
039646343
ABSTRACT:
A child resistant safety cover for a cylindrical container having a generally annular undersurface located adjacent the top thereof. A cover of this invention can be used with aerosol containers. The safety cover of this invention is formed of a resilient and flexible plastic and has a circular top wall and a tubular wall formed integrally with and depending from the circular top wall. Inwardly extending locking flanges are formed on the lower edge of the tubular wall and are positioned to engage the undersurface of the container when the cover is positioned thereon. Generally diametrically opposed slits are formed in the tubular wall and extend through the lower edge thereof to allow distortion and movement of the locking flanges. Wedging means are carried by the safety cover and are located adjacent to and outwardly of the slits. The wedging means are resiliently movable into the slits to engage and distort the tubular wall and thereby move the locking flanges away from engagement with the undersurface of said container. In one embodiment of the invention, the wedging means are carried by arms which are formed integrally with and depend from the circular top wall. In a second embodiment of the invention, the wedging means are carried on an outer tubular wall formed coaxially with the slitted inner wall and also formed integrally with and depending from the circular said top cover.
REFERENCES:
patent: 3802607 (1974-04-01), Mead
patent: 3820683 (1974-06-01), Jasinski
patent: 3854622 (1974-12-01), McKirnan
Jasinski Andrew S.
McKirnan Robert A.
Hall George T.
Knight Engineering and Molding Co.
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