Dispensing – With discharge assistant – With discharge volume varying means
Patent
1981-05-13
1983-10-11
Rolla, Joseph J.
Dispensing
With discharge assistant
With discharge volume varying means
222336, 222361, G01F 1118, G01F 1126
Patent
active
044087039
ABSTRACT:
A measuring and dispensing closure for containers of granular material employs a slide element slidable in and out of a container cap top. The slide element has a chute element positioned thereon defining a series of trap spaces into which granular material is passed from the container when the slide element is in its retracted position. When the container is turned upside down and the slide element is moved outwardly relative to the cap top, the chute chamber passes out from a discharge opening formed on the cap top to expose the trap spaces to atmosphere for dispensing the granular material. Communication between the interior of the container and the trap spaces during dispensing is prevented by a planar ledge portion formed on the cap top and underlying the space beneath the chute chamber member. The slide element is preferably formed of plastic molded material and also includes a biasing member to provide a return force against outward movement of the slide. The series of trap spaces are positioned in sequence so that the user may dispense all or only a portion of the material collected by the chute element, depending upon the amount of outward extension of the slide.
REFERENCES:
patent: 1758999 (1930-05-01), Carns
patent: 2537415 (1951-01-01), Loeb et al.
patent: 2553509 (1951-05-01), Altorfer
patent: 3056532 (1962-10-01), Germano
patent: 3227324 (1966-01-01), Tessin
patent: 3347425 (1967-10-01), Beushausen et al.
patent: 3458092 (1969-07-01), McConnell
Handren Frederick R.
Rolla Joseph J.
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