Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-07-22
1990-09-11
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15330, 15344, 15405, 241242, A47L 524
Patent
active
049551078
ABSTRACT:
A suction cleaner for use in sucking relatively large refuse, the cleaner including a suction chamber, a dust chamber communicating with the suction chamber, the dust chamber including a plurality of edged agitators having first blades, to which a second blade is faced so as to shred the refuse to small pieces, the second blade being retainable either at an operative position or at an inoperative position at which the second blade is kept away from the first blades.
REFERENCES:
patent: 1527818 (1925-02-01), O'Neill
patent: 2733000 (1956-01-01), Sparklin
patent: 3968938 (1976-07-01), Ruhl et al.
patent: 4076460 (1978-02-01), Roof
patent: 4325163 (1982-04-01), Mattson et al.
Kabushiki Kaisha Suiden
Moore Chris K.
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