Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Patent
1996-09-27
1999-10-26
Bomberg, Kenneth
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
2223218, 22240213, 22240215, 222507, 222509, B67D 542
Patent
active
059712260
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a control mechanism with side push buttons for the distribution of a product contained in a receptacle.
2. Discussion of Background
There are numerous systems to ensure the distribution of a product contained in a receptacle.
Whether it is a distributing capsule for a pasty or liquid product contained in a receptacle with a vaporizing pump, or of the aerosol-type, it is always necessary to open the capsule and/or to control the pump or valve of the aerosol receptacle.
To this end, it is necessary to provide an opening and/or actuating mechanism.
The known systems generally comprise translative slides and/or rotating capsules.
To particularly facilitate the handling, one has imagined a mechanism with side push buttons, for example, such as that described especially in the patent FR-2 600 976, and which comprises an end piece mounted on an opening of the receptacle and a cap that is arranged on the receptacle so as to cover said end piece and is provided with at least one outlet opening for the product and at least two diametrically opposed lever-action side push buttons which are hinged to swing inward and are secured to stops.
However, in this device, the end piece serving as a shutter is fixedly mounted on the neck of the receptacle while the cap is movable, whereas a means for returning to the closing position is not provided.
SUMMARY OF THE INVENTION
The inventor proposes a control mechanism with side push buttons for the distribution of a product contained in a receptacle of the aforementioned general type, but which is advantageously different therefrom in that the cap is fixed on the receptacle whereas the end piece is movably mounted on the opening of the receptacle and comprises at least two diametrically opposed radial support surfaces, on which said stops of the side push buttons are pressed, such that a lateral pressure applied on said push buttons causes an axial displacement of the end piece from a closing position toward an opening position, whereas an elastic means is provided to bias the end piece against the action of the push buttons in order to enable it to resume its initial closing position.
Preferably, the push buttons are in one piece with the cap and are hinged by means of hinges with weakening grooving or tapering.
For example, the elastic means for returning to the initial position of the end piece is constituted by at least two elastic lugs arranged at the base of the end piece, and which take support through their free ends on the fixed portion of the receptacle. According to a particular embodiment, the elastic lugs are a part of an elastic crown that has a generally truncated shape and which is constituted by a plurality of such elastic lugs.
According to an embodiment, the end piece comprises a central chimney whose end is provided with at least one opening for passage of the product, and which is slidably imperviously mounted in a skirt of the cap arranged around the hole thereof.
In this case, for example, the hole of the cap is provided at the end of a protuberance in which the end of the chimney of the end piece is introduced.
More particularly, but not exclusively, for a serving capsule, the end piece comprises an end provided to close the hole of the cap while the opening for passage of the end piece is closed by a portion of the cap in the closing position and, on the contrary, communicates with the hole of said cap in the opening position.
For a receptacle provided with an aperture neck, the end piece is slidably mounted in and/or on said receptacle neck, for example, and can have, to this end, an inner skirt that slides on the inner wall of the receptacle neck.
In its application for an aerosol receptacle, an appropriate portion of the end piece is provided to rest on the receptacle valve rod such that the actuation of the push buttons acts on said valve.
Similarly, for a receptacle provided with a vaporizing pump, an appropriate portion of the end piece is provided to rest on said vap
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Bomberg Kenneth
DEFI International
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