Article dispensing – With means to agitate – vibrate or jar articles in supply... – Rigidly mounted on or incorporated in discharge assistant
Patent
1995-11-27
1997-03-11
Skaggs, H. Grant
Article dispensing
With means to agitate, vibrate or jar articles in supply...
Rigidly mounted on or incorporated in discharge assistant
221204, 221266, B65G 5900
Patent
active
056092709
ABSTRACT:
A dispenser include a housing with an inlet through which reagent pills are received from a vial. Within the housing is a dispensing tube that forms a pill passageway which has a first portion of relatively large cross section adjacent the inlet and a funnel portion in which the passageway reduces in cross section to a narrower linearizing portion. The dispensing tube has a series of ridges on an exterior surface. A metering shaft extends across the linearizing portion and has a depression for conveying one reagent pill at a time between sections of the linearizing portion when the metering shaft is rotated. A gear on the metering shaft is meshes with teeth on a plunger which is slidably mounted in the housing. The plunger also has a member projecting therefrom and against dispensing tube. A user pressing the plunger causes the metering shaft to rotate transferring a reagent pill to a portion of the passageway connected to the outlet of the housing and thereby ejects that reagent pill from the housing. That plunger movement also causes the member to ride over the ridges which vibrates the dispensing tube loosening any pills that become jammed in the funnel portion.
REFERENCES:
patent: 1013674 (1912-01-01), Millard
patent: 1120500 (1914-12-01), Hughes
patent: 1269768 (1918-06-01), Whitener
patent: 1980859 (1934-06-01), Greve
patent: 2188304 (1940-01-01), Surdenik
patent: 2256340 (1941-05-01), Gora et al.
patent: 2669349 (1954-02-01), Silver
patent: 2681529 (1954-12-01), Braithwaite
patent: 4638923 (1987-01-01), Mines et al.
patent: 4648529 (1987-03-01), Blakemore et al.
Pharmacia Biotech, INc.
Skaggs H. Grant
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