Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1995-02-21
1997-04-01
Spisich, Mark
Brushing, scrubbing, and general cleaning
Machines
Wiping
15 491, 15319, 15385, 451 11, 451 21, 451353, A47L 1114
Patent
active
056154372
ABSTRACT:
In a floor-surface polisher in which floor-surface is polished by a pad which is mounted within a pad cover and rotated at a high speed by a motor during the traveling operation of the polisher, a floor-surface polisher equipped with a function for adjusting a pad pressure being characterized in that the pad is resiliently supported by a support force, the support force directing upwardly to separate the pad away from the floor-surface, a plurality of very small spaces being formed within the pad so that a drawing force for lowering the pad toward the floor-surface against the upwardly-directing support force will be generated during a high speed rotation of the pad, electric-current value setter for adjusting, either automatically or manually, an electric-current value of the motor to a pre-set value, the setter being mounted on a control portion of the pad motor.
REFERENCES:
patent: 3496681 (1970-02-01), Oswald
patent: 4674142 (1987-06-01), Meili
patent: 4757566 (1988-07-01), Field et al.
patent: 4910824 (1990-03-01), Nagayama et al.
patent: 5177828 (1993-01-01), Von Vett
patent: 5253384 (1993-10-01), Joines et al.
Nagayama Eiji
Takahashi Shinichiro
Amano Corporation
Spisich Mark
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