Liquid dispenser apparatus

Details Liquid dispenser apparatus Liquid dispenser apparatus

1981-01-19

1982-11-09

Rolla, Joseph J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Position or extent of motion indicator

222309, 222341, 222375, G01F 1102

Patent

active

043580270

ABSTRACT:
A liquid dispenser apparatus including a liquid container, a pump for withdrawing metered quantities of liquid from the container and comprising a cylinder that defines inlet and outlet ports and a piston manually reciprocable between an intake stroke during which liquid is drawn through the inlet port and a discharge stroke during which liquid is expelled through the outlet port, a manual selector for adjustably fixing the maximum length of the discharge stroke, and a manual valve for selectively opening and closing the inlet and outlet ports. A pump rod is fixed to the piston and extends out of the cylinder so as to be manually operable to produce the intake and discharge strokes and the selector includes an adjustable limit mechanism that limits the length of the intake stroke and thereby the discharge stroke.

REFERENCES:
patent: 1486656 (1924-03-01), Green
patent: 2548752 (1951-04-01), Titus
patent: 2985339 (1961-05-01), Fischer et al.

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