Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1987-10-26
1988-11-08
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
206534, A61J 100, B65D 5502, B65D 8556
Patent
active
047829630
ABSTRACT:
A child-resistant container and closure cap combination is provided by using cooperating members on the internal cylindrical sidewalls of the cap and the cylindrical walls of the container neck. The cooperating members are a pair of studs aligned with the axis on one of the cylindrical walls projecting toward the other and three collars supported on the other of said cylindrical walls. The collars have channels through which the studs must pass in placing the cap on the container or removing it and except through those channels the collars block the studs. Two of the three collars are rotatable and the third fixed. Rotation of the cap and container will cause the stud which is positioned between the relatively rotatable collars to contact and drive a stop means on one rotatable collar. By continued rotation the stop, in turn, contacts and drives a drive post on the other rotatable collar. Movement of the drive posts and the stop means causes movement of the rotatable collars and their channels out of alignment with the channel on the fixed collar preventing the cap from being removed from the container. External marks on the cap and container allow a sequence of rotational and counter-rotational movements to established positions which enable realignment of the channels and studs, but any other movement will render the likelihood of such realignment very small.
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