Spring powered, portable, hand held suction and blower apparatus

Fishing – trapping – and vermin destroying – Vermin destroying – Insect

Patent

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Details

15330, 15344, A01M 106, A47L 524

Patent

active

041753526

ABSTRACT:
A portable, hand held, air suction and blower unit comprising an air inlet assembly with sequentially arranged nozzle, flexible inlet tube, and diffuser, all detachably connected to the front end of the unit body. The diffuser cooperates with the front end of the body to form a bayonet type joint therebetween. An air inlet passage extends rearwardly from the front end of the body to the tangential fan which is journaled at the rear of the body. The fan is powered by a manually wound flat spiral spring, which spring drives the fan through a gear train. An air outlet passage extends forwardly from the fan to an outlet opening also located at the front of the unit body. A removable, pervious receptacle, with an open forward end, is located in the front portion of the air inlet passage and serves to collect particles or objects which are drawn into the body by the flowing air. Furthermore, a flap valve, which is located in the diffuser, allows the particles or objects to pass by and enter into the receptacle when air is being drawn into the body by the fan. The flaps of the valve, however, relax to close off the receptacle from the nozzle when the fan is not operating.

REFERENCES:
patent: 879580 (1908-02-01), Pearsall
patent: 970181 (1910-09-01), Carter
patent: 1298716 (1919-04-01), Hoover
patent: 1313203 (1919-08-01), Pakeman
patent: 2340944 (1944-02-01), Easter
patent: 3477087 (1969-11-01), Robinson
patent: 3513500 (1970-05-01), Hori
patent: 3599273 (1971-08-01), Shirayanagi
patent: 3683446 (1972-08-01), Tell
patent: 4055870 (1977-11-01), Furutsutsumi
patent: 4074458 (1978-02-01), Catlett

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