Dispensing – Automatic control – Motor control
Patent
1980-11-25
1982-10-26
Skaggs, H. Grant
Dispensing
Automatic control
Motor control
222 64, 222146HE, 222334, 222389, 219421, 417 36, 137341, B67D 562
Patent
active
043557341
ABSTRACT:
An apparatus for dispensing material from a container comprising a plate having an aperture therein through which material is caused to flow out of the container when the plate is caused to move vertically within the container. A scraper member is spaced from and coupled to such plate to engage the inside walls of such container to scrape material from the walls as the plate moves vertically relative to the container. A space is formed between the scraper member and the plate to form a cavity which communicates with the aperture and which includes a material entering opening, the level of material in the cavity being controlled during operation of the apparatus.
REFERENCES:
patent: 2630248 (1953-03-01), Hinz
patent: 3031106 (1962-04-01), Hooker
patent: 3430812 (1969-03-01), Leo et al.
patent: 3758002 (1973-09-01), Kautz et al.
patent: 3976229 (1976-08-01), Jackson
patent: 3982669 (1976-09-01), Moore
patent: 4090640 (1978-05-01), Smith et al.
patent: 4195755 (1980-04-01), Slautterback et al.
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