Dispensing – With filter – Associated with vent passage
Patent
1975-12-15
1977-10-04
Reeves, Robert B.
Dispensing
With filter
Associated with vent passage
222193, 222206, 222459, 209 253, B05B 714, B05B 1104
Patent
active
040519813
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.
REFERENCES:
patent: 6015 (1874-08-01), Crossman
patent: 204564 (1878-06-01), Haines
patent: 1613469 (1927-01-01), McEvoy
patent: 2349875 (1944-05-01), Mandlak
patent: 2645382 (1953-07-01), Plough
patent: 2764319 (1956-09-01), Weimer
patent: 2772816 (1956-12-01), Denvor
patent: 3151781 (1964-10-01), McKee
Fails James C.
Handren Frederick R.
Reeves Robert B.
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