Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1975-05-16
1976-10-26
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
A47L 516
Patent
active
039875148
ABSTRACT:
An inverted channel member is placed over a surface having particulate or similar matter upon it. Air is forced through the channel member to create a vacuum within the member which causes the matter upon the surface to be picked up and blown from the surface and out the channel member.
REFERENCES:
patent: 514676 (1894-02-01), Furnas
patent: 751786 (1904-02-01), Elston
patent: 978916 (1910-12-01), Matchette
patent: 3287755 (1966-11-01), Pansini
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