Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1983-11-29
1985-10-15
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
301111, A47L 1133
Patent
active
045465126
ABSTRACT:
Mechanical sweeper with slotlike bearing bores with introduction slits in partition walls and outwardly open wheel recesses in the housing wherein the drive/running wheels are closed externally with a smooth surface and are retained by check plates and retaining pockets on the partition walls.
REFERENCES:
patent: 3246353 (1966-04-01), Farnsworth
patent: 3248154 (1966-04-01), Waters et al.
Liebscher Johannes
Schulein Rolf G.
Leifheit AG
Roberts Edward L.
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