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Liquid Purification

Apparatus-for-dispensing-material-from-a-containment-vessel-in-preselected-measured-amounts

Apparatus for dispensing material from a containment vessel in preselected measured amounts

Details

Inventors: Wendt, Robert J.;
Assignee:
Primary Examiner: Weidenfeld; Gil
Assistant Examiner: Silverberg; Fred A.
Attorney, Agent or Firm: West; William D.

An apparatus for dispensing material in measured amounts, primarily for use in the treatment of livestock is disclosed. The apparatus provides a material containment cylinder having a nozzle at one end and a diaphragm attached to a rod at the other end and a mechanism for precisely controlling the movement of the diaphragm so that precise dosages are dispensed through the nozzle end. A bayonet locking attachment for affixing the material containment cylinder to the diaphragm movement mechanism is also disclosed. A number of embodiments are provided for precisely controlling the diaphragm movement mechanism including a slideable rod friction attachment and ratchet and stop mechanisms.

DETAILED DESCRIPTION An object of the invention is to provide a material dispensing apparatus in which material may be dispensed in controlled amounts.
Another object of the invention is to provide a material dispensing apparatus in which a single movement of the operator allows the dispensing of a precise pre-determined amount of material.
Another object of the invention is to provide a material dispensing apparatus which, once the amount of material to be dispensed is determined, that for each single movement of the operator, a uniform amount of material is dispensed.
Another object of the invention is to provide for a gun-type dispensing apparatus.
Another object of the invention is to provide for a gun-type treatment apparatus for the treatment of livestock, in which a pre-determined amount of material is dispensed with each dose.
A further object of the invention is to provide a material dispensing apparatus for the treatment of livestock of a gun type, having a diaphram and rod and a tube and a dispensing mechanism allowing a pre-determined limit to the rod movement.
A further object of the invention is to provide for a livestock treatment gun having a non-slip ratchet, and a trigger mechanism for advancing the material out of the nozzle of the treatment gun.

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