Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-02-24
1989-04-04
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15383, A47L 530
Patent
active
048172359
ABSTRACT:
A pneumatic pavement cleaning apparatus (10) comprising: an air supply unit (11); a wheeled support unit (12); a drive unit (13) including an air powered motor (25); and a cleaning unit (14) operatively associated with the drive unit (13); wherein, a plurality of diverse cleaning attachment members (31) including a brush element (32) and a blade element (33) may be selectively secured to the axial drive shaft (27) of the drive unit (13).
REFERENCES:
patent: 1423844 (1922-07-01), Fenelon
patent: 2331692 (1943-10-01), Hunt
patent: 2489399 (1949-11-01), Claytor
patent: 2872708 (1959-02-01), Jeppson et al.
Doxey Tom R.
Glaser Burton D.
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