Dispensing – With casing or support – Bracket or suspension supported
Patent
1983-03-07
1985-03-19
Rolla, Joseph J.
Dispensing
With casing or support
Bracket or suspension supported
222439, 222440, 222523, 222525, 141356, B67D 506
Patent
active
045054070
ABSTRACT:
A base supports a hopper for the storage of the particulate material to be dispensed in measured amounts. A stationary discharge tube in place in the base defines an opening for the entry of hopper stored material. A control tube is slidably mounted within the discharge tube and defines a second opening which upon control tube elevation registers with the discharge tube opening to admit material flow into the control tube. Said control tube carries, in a removable manner at its lower end, a measuring tube which is interchangeable with other measuring tubes, each of a different length, to enable dispensing of various amounts of material from a measuring chamber defined by the joined tubes. An O-ring couples the control tube and the measuring tube in a removable manner. The control tube additionally includes an insert or plug shaped member so as to prevent bridging and voids in the particulate measured.
REFERENCES:
patent: 249464 (1881-11-01), Farnham
patent: 309088 (1884-12-01), Perry
patent: 346718 (1886-08-01), Capewell
patent: 425659 (1890-04-01), Comstock
patent: 466209 (1891-12-01), Wiget
patent: 793416 (1905-06-01), Clapp
patent: 922085 (1909-05-01), Chamberlain
patent: 1445339 (1923-02-01), Mathews
patent: 1912304 (1933-05-01), Phillips
patent: 2426898 (1947-09-01), Paldani
patent: 2603397 (1952-07-01), Olson
patent: 3089620 (1963-05-01), Green et al.
Francis Tool Company
Givnan, Jr. James D.
Heim Louise
Rolla Joseph J.
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