Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1989-06-07
1991-09-24
Hornsby, Harvey C.
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
15159A, 15 491, 15 501, 15DIG6, A46B 906
Patent
active
050502620
ABSTRACT:
A brush for attachment to a floor maintenance machine having a plurality of tuft units projecting outwardly with the tuft units being disposed in a predetermined array of angularly oriented rows, and with alternate tuft units having bristles made from a non-abrasive polymeric material a substantially non-absorbent and slightly abrasive material.
REFERENCES:
patent: 3072944 (1963-01-01), Clayton
patent: 3186019 (1965-06-01), Hattori
patent: 3295156 (1967-01-01), Brant
patent: 3381326 (1968-05-01), Dolan
patent: 3526919 (1970-09-01), Byers
patent: 3551935 (1971-01-01), Gaudry
patent: 3943594 (1976-03-01), Alvin
patent: 4114225 (1978-09-01), Malish
patent: 4305234 (1981-12-01), Pichelman
patent: 4756044 (1988-07-01), Clark
Hornsby Harvey C.
Spisich Mark
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