Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-02-28
1983-04-26
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
A47L 530
Patent
active
043808468
ABSTRACT:
A driven agitator is powered by a pulley-belt arrangement including an idler pulley. Upon agitator stall condition slippage occurs at the idler pulley, preventing rotor stall of the driving motor.
REFERENCES:
patent: 1294473 (1919-02-01), Kirby
patent: 2028090 (1936-01-01), Frantz
patent: 3188681 (1965-06-01), Jepson et al.
Farley Richardson B.
Kreske Gerald H.
Moore Chris K.
The Hoover Company
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