Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1976-01-07
1977-02-08
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
209215, A47L 900
Patent
active
040065120
ABSTRACT:
A bumper and magnetic pickup device for vacuum sweepers includes a strip of magnetized elastomer having magnetic poles aligned along its opposite longitudinal edges and supported on a metal strip. The metal strip is bent at each end to form brackets which mount on the front end of the sweeper, creating a space between the bumper and the sweeper for magnetizable objects to collect without entering the nozzle of the vacuum sweeper.
REFERENCES:
patent: 2253362 (1941-08-01), Broekhuysen
patent: 2288115 (1942-06-01), Soldanels
patent: 2677461 (1954-05-01), Bodey
patent: 2847084 (1958-08-01), Wolfskill et al.
patent: 2862224 (1958-12-01), Swanson et al.
patent: 3206783 (1965-09-01), Schwartz
patent: 3646492 (1972-02-01), Westermann
patent: 3751750 (1973-08-01), Kaftan
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