Scrubbing machine having offset cylindrical brushes

Details Scrubbing machine having offset cylindrical brushes Scrubbing machine having offset cylindrical brushes

1994-10-03

1996-05-14

Simone, Timothy F.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 521, 15 82, 15179, 15182, 15320, 15384, A47L 1129, A46B 902

Patent

active

055155685

ABSTRACT:
A floor scrubbing machine uses two parallel cylindrical scrub brushes. Each brush is rotated by a separate drive means, and these are at opposite ends of the brushes. This balances the weight of the drives so the brushes exert a uniform pressure on the floor. The brushes are axially offset enough that each brush extends out as far as the drive means of the other brush, thus permitting the machine to scrub close to a wall on either side. The brushes have a more aggressive bristle fill at their ends which extend out under the drive means, where only one brush is scrubbing the floor, so the appearance of the scrubbed floor is essentially the same where scrubbed by one brush as where scrubbed by two brushes.

REFERENCES:
patent: 853525 (1907-05-01), Stewart
patent: 1386820 (1921-08-01), Watkins
patent: 1417768 (1922-05-01), Radimak
patent: 1447382 (1923-03-01), Green
patent: 2459007 (1949-01-01), Taylor
patent: 2651803 (1953-09-01), Browne
patent: 3114922 (1963-12-01), Ballantyne
patent: 3186019 (1965-06-01), Hattori
patent: 3942218 (1976-03-01), Krier
patent: 4670929 (1987-06-01), Hanna

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