Title: Powder gun

Abstract: A powder gun for dispensing a powder such as an insecticide or the like characterized by a hollow collapsible body for containing the powder, a dispensing member having a discharge port and spout for directing the discharged powder into the desired area and connected with the hollow collapsible body, and a filter and lump break up means disposed within the dispensing member immediately adjacent the discharge port for breaking up lumps and for filtering the powder and preventing entry of particles large enough to plug the discharge port and spout. The hollow collapsible body is normally biased to an extended position and movable to a compressed position for discharging air and any powder therewithin through the dispensing member. Also disclosed are preferred structural embodiments including a rotatable disc having multiple sections of stalks protruding substantially perpendicularly thereto for breaking up the lumps and for filtering the powder dispensed through the discharge spout, as well as preferred materials of construction.

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Inventors: Mandlak, Louis John (Fort Worth, TX, US)

Application Number: 640621
Filing Date: 1975-12-15
Publication_date: 1977-10-04
Assignee:
Primary Class(es): 222/189.02 209/253, 222/113, 222/206, 222/459
Other Classes:
US Patent Ref:

6015	Aug, 1874	Crossman	222/459.
204564	Jun, 1878	Haines	222/459.
1613469	Jan, 1927	McEvoy	209/253.
2349875	May, 1944	Mandlak	222/189.
2645382	Jul, 1953	Plough	222/565.
2764319	Sep, 1956	Weimer	222/215.
2772816	Dec, 1956	Denvor	222/189.
3151781	Oct, 1964	McKee	222/565.

Other Refs: 494,470705,3021,079,834

May, 1954	IT
Mar, 1954	UK
Aug, 1967	UK

Primary Examiner: Reeves, Robert B.
Assistant Examiner: Handren, Frederick R.
Attorney: Fails; James C.