Hand-operated apparatus for pneumatically removing dust

Details Hand-operated apparatus for pneumatically removing dust Hand-operated apparatus for pneumatically removing dust

1976-06-21

1977-11-01

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15330, 15345, 417197, A47L 516

Patent

active

040558703

ABSTRACT:
Dust removing apparatus includes an air valve operable by a trigger-type push button to permit or interrupt the flow of compressed air from a compressor into an air discharge passage. When the valve is opened, the compressed air flows through an annular slit into the air discharge passage at an increased pressure, producing suction at the inlet of an intake member by an ejecting action. The dust removing apparatus further includes another valve which, when in open position, changes the path of flow of air to force out the compressed air from a nozzle.

REFERENCES:
patent: 2074666 (1937-03-01), Patalano
patent: 2475832 (1949-07-01), Gilliland
patent: 2746078 (1956-05-01), Spurlin
patent: 2851213 (1958-09-01), Swallert
patent: 2902708 (1959-09-01), Riley
patent: 3795367 (1974-03-01), Mocarski
patent: 3806039 (1974-04-01), Mocarski

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