Childproof attachment for a dispenser

Details Childproof attachment for a dispenser Childproof attachment for a dispenser

2004-08-06

2008-10-14

Shaver, Kevin P. (Department: 3754)

Dispensing

With lock or fastening seal

Inhibiting operation of flow controller or closure

C215S216000, C220S214000

Reexamination Certificate

active

07434707

ABSTRACT:
In one embodiment, an arrangement for assembly to a squeeze bottle having a threaded neck with an opening at its outer end upon filling of the bottle is provided. The squeeze bottle has a dispensing nozzle unit adapted to be fixedly inserted into the opening and the nozzle unit includes a lower cylindrical part terminating in a flange at its outer end. A washer, through which the cylindrical part is adapted to extend, is interposed between the flange and the outer end of said neck with a hinged tab formed as part of and extending from the washer. Also included is a cover for the nozzle having internal threads to screw onto the neck. The cover has a recess formed therein, the recess having a vertical wall, such that, when said cover is screwed on the neck, the hinged tab will have a portion abutting the wall and preventing movement, unless the tab is pushed in so that the portion clears the wall.

REFERENCES:
patent: 2717727 (1955-09-01), Robb
patent: 4432496 (1984-02-01), Ito
patent: 4773567 (1988-09-01), Stoody
patent: 5328058 (1994-07-01), Leoncavallo et al.
patent: 5711488 (1998-01-01), Lund
patent: 5979681 (1999-11-01), Varlet et al.
patent: 6478193 (2002-11-01), Good et al.
patent: 6766922 (2004-07-01), da Silva

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