Article dispensing – Plural sources – stacks or compartments – Dispensing from plural sources by single actuation
Patent
1974-01-29
1976-01-27
Hoffman, Drayton E.
Article dispensing
Plural sources, stacks or compartments
Dispensing from plural sources by single actuation
133 4R, 221198, B65H 344
Patent
active
039347532
ABSTRACT:
A number of discs are simultaneously dispensed into a culture dish from a dispenser having an array of self-contained dispensers locked in apertured sockets on a base frame. The individual dispensers are simultaneously operated by an actuating plate which engages actuating pins on each of them. The height of the dispenser above the culture dish is adjustable by cam and follower engagement of the base plate within a height-adjusting ring. Indicia and yieldable detents are provided for indexing the height of the base plate. The individual dispensers each include a chute-incorporating body, cover, slide plate, spring and tubular cartridge. The open tops of the chutes provide visual confirmation that a disc has been discharged from each of the dispensers. Weights and spring clips in the cartridges push the discs successively into firm contact with the dispensing slide plates for dependably delivering them into the dispenser chutes.
REFERENCES:
patent: 2132229 (1938-10-01), Breitenstein
patent: 2445026 (1948-07-01), Frank
patent: 2491573 (1949-12-01), McPherson
patent: 2532976 (1950-12-01), Weirich
patent: 2696324 (1954-12-01), Jones
patent: 2865156 (1958-12-01), Wolfson
patent: 3300087 (1967-01-01), Kuypers
patent: 3394846 (1968-07-01), Carski
Bartuska Francis J.
Hoffman Drayton E.
Pfizer Inc.
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