Dispensing – Automatic control
Patent
1996-12-17
1999-06-01
Kashnikow, Andres
Dispensing
Automatic control
2221813, 222340, 2223831, 222477, B67D 508, B65D 8854, B65D 4700
Patent
active
059081430
ABSTRACT:
A manually operated dispenser for dispensing single shots of liquid with a built-in extended delay between each manually dispensed shot is described. The dispenser contains a manually operated pump for withdrawing a single shot of liquid from the reservoir of liquid, an outlet through which the pump dispenses the single shot and a reciprocal piston and cylinder assembly on the pump. The piston is ready to dispense the single shot of liquid into the outlet when in a retracted position. A plunger which is biased to move away from the piston manually moves the piston to dispense the shot. A detent is provided for locking the plunger in an outward position. A piston spring is loaded in a manner such that when the piston is moved to a retracted position the detent is disengaged and the relative movement of the piston from the extended position to the retracted position defines a built in extended delay between dispensed shots of liquid.
REFERENCES:
patent: 1401642 (1921-12-01), Ravaz et al.
patent: 3460723 (1969-08-01), Young
patent: 4360130 (1982-11-01), Nishimura et al.
patent: 4784300 (1988-11-01), Lees
patent: 5086950 (1992-02-01), Crossdale et al.
patent: 5445288 (1995-08-01), Banks
patent: 5456297 (1995-10-01), Crossdale et al.
patent: 5682930 (1997-11-01), Crossdale
International Search Report dated Feb. 28, 1997.
Barnett David Grant
Bird Ken John Herbert
Crossdale Garry William
Onufryk Brian Peter
Diversey Lever Inc.
Honig Milton L.
Kashnikow Andres
Quinalty Keats
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