Unit dose liquid dispenser having precise dosage capabilities

Details Unit dose liquid dispenser having precise dosage capabilities Unit dose liquid dispenser having precise dosage capabilities

1985-09-16

1987-08-04

Skaggs, H. Grant

Dispensing

Supply containers with traps

With trap chamber cutoffs

222454, 222521, G01F 1128

Patent

active

046840460

ABSTRACT:
An economical, non-clogging apparatus for dispensing premeasured amounts of liquid from a container placed on a shelf is provided which contains no spring, has a secure shipping mode, permits one-handed operation, has few moving parts, and avoids liquid wastage by preventing inadvertent removal of the rotatable outer cap. In preferred forms, the apparatus includes a tubular, stationary member received partly within the container's outlet neck a tubular, movable member coupled with and received partly within the stationary member, and a stem co-axially received within the movable member and coupled with the stationary member. These components cooperatively define a measuring chamber, an inlet opening, and an outlet aperture. Counterclockwise rotation of the movable member causes the stem to move from its shipping position and open the inlet opening, thereby filling the chamber with liquid while maintaining the outlet in a closed position; clockwise rotation of the movable member causes the inlet to close and the outlet aperture to open, thereby dispensing the premeasured liquid. The apparatus hereof can be used on a wide variety of containers and liquids such as bottles of household liquid detergent or large containers of industrial chemicals.

REFERENCES:
patent: 1914766 (1933-06-01), Zalosehen
patent: 2119463 (1938-05-01), Lewis
patent: 2297830 (1942-10-01), Hardage
patent: 2530012 (1950-11-01), Gronemeyer et al.
patent: 2828893 (1958-04-01), Stewart et al.
patent: 2864538 (1958-12-01), Rasmussen
patent: 2980302 (1961-04-01), Rasmussen

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