Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Patent
1989-11-27
1991-06-04
Kashnikow, Andres
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
222341, 222385, 2224005, 2224022, B65D 8364
Patent
active
050206966
ABSTRACT:
A vertical hollow body has a first upper hollow vertical cylinder and a second lower hollow outer vertical cylinder. A third inner hollow vertical cylinder is disposed concentrically within and spaced from the second cylinder. The lower ends of the first and second cylinders are joined. The upper end of the third cylinder has an aperture. A hollow piston is vertically movable within the first cylinder. A vertical member has an upper section extending into the piston interior, an enlarged middle section and a fourth vertical hollow cylinder as an enlarged lower section. The fourth cylinder has an inner shoulder at its upper end. A spring is disposed between and bears against the joined lower ends and the shoulder. A pump chamber is defined by a hollow vertical region bounded by adjacent portions of the body, member and piston and has a first fluid entry port and a second fluid discharge port. An actuator device is disposed above and engages the piston to open the second port and close the first port on the downward stroke and to open the first port and close the second port on the upward stroke.
REFERENCES:
patent: 4025046 (1977-05-01), Boris
patent: 4051983 (1977-10-01), Anderson
patent: 4089442 (1978-05-01), Hafele
patent: 4274560 (1981-06-01), Cater
patent: 4389003 (1983-06-01), Meshberg
patent: 4606479 (1986-08-01), Van Brocklin
patent: 4692103 (1987-09-01), Anderson
patent: 4735347 (1988-04-01), Schultz
Kashnikow Andres
Oerakshani Philippe
RJS Industries, Inc.
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