Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1980-07-14
1982-11-30
Bertsch, Richard A.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
37202, 104279, 246428, 299 31, A47L 514
Patent
active
043609490
ABSTRACT:
A portable pneumatic cleaning device for removing particulate material from crevices and channels particularly between component parts of railroad switch mechanisms, is provided which has a heavy duty nozzle including a central port and a pair of outwardly divergent side ports having axes which are coplanar with the axis of the central port for discharging a pressurized stream of air in a generally fan-shaped pattern along a surface to be cleaned when the device is connected to a pressurized air source. The device has an elongated body portion and end portions formed at an angle therewith and parallel to one another, and includes a switch for controlling the flow of air therethrough, a runner to maintain the nozzle at a spaced distance from a surface to be cleaned, and a handle to facilitate manual use of the device.
REFERENCES:
patent: 1949904 (1934-03-01), Guedel
patent: 2586145 (1952-02-01), Breuer et al.
patent: 2604361 (1952-07-01), Yates
patent: 2655408 (1953-10-01), Williams
patent: 3117726 (1964-01-01), Shoberg
patent: 3536909 (1970-10-01), Czyl
patent: 3697746 (1972-10-01), Patterson et al.
patent: 4060874 (1977-12-01), Furutsutsumi
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