Portable manually operated duster

Details Portable manually operated duster Portable manually operated duster

1976-05-24

1978-05-16

Love, John J.

Dispensing

Jarring and/or vibrating

Hand manipulable shaker type

239654, 239154, A01C 1502, A01C 1504, B05B 700

Patent

active

040894410

ABSTRACT:
A portable manually operated domestic-type duster having openings admitting air from behind into the side of its discharge flow adjacent the blower discharge and behind the discharge of the powder chamber to produce Venturi-type mixing action, and also having cooperative metering means in the form of a screen and a cylindrically-shaped wire agitator disposed across the discharge opening of the powder chamber, both the metering means and the blower being driven by single crank mechanism.

REFERENCES:
patent: 750968 (1904-02-01), Haldeman
patent: 916728 (1909-03-01), Leggett
patent: 1752956 (1970-04-01), Lex
patent: 1766667 (1930-06-01), Miller
patent: 1880781 (1932-10-01), Cairns
patent: 3425601 (1969-02-01), Fry

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