Atomizing fluid dispenser one

Details Atomizing fluid dispenser one Atomizing fluid dispenser one

1989-11-27

1991-09-10

Huppert, Michael S.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222341, 222385, G01F 1106

Patent

active

050466445

ABSTRACT:
An atomizing dispenser employs a vertical hollow elongated body with upper and lower ends and an orifice centered on the body axis and disposed between the upper and lower body ends. A hollow sleeve is disposed within the body with a relatively large open lower end and a relatively small open upper end and is vertically slidable. A vertically movable member has a lower enlarged section disposed within the sleeve and an upper section extending through the upper end of the sleeve. A vertically movable hollow piston has upper and lower open ends. The upper section of the member extends through the lower end of the piston into the piston interior; the lower end of the piston slidably engaging the inner surface of the upper body end. A pump chamber defined by a hollow region bounded by adjacent portions of the body, piston, member and sleeve is normally filled with fluid and is sealed at first and second ports to prevent fluid from leaking out of the chamber when the piston, member and sleeve are in fully raised positions. The first port allows fluid to enter the chamber when the member is raised while engaging the piston; the second port allows fluid to be discharged from the chamber when the member is lowered and is disengaged from the piston.

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 (1988-06-01), Schultz

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