Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1997-07-21
1999-03-02
Till, Terrence
Brushing, scrubbing, and general cleaning
Machines
Wiping
15 501, 15230, 451353, A47L 1114
Patent
active
058755063
ABSTRACT:
A drive disk for the rotary tool of a machine for conditioning and/or maintaining floors includes a rigid circular plate and a circular diaphragm. In accordance with the invention, the drive disk includes a sealed axial passage passing through it and discharging at one end via a first central orifice in said rigid circular plate and at the other end via a second central orifice in said diaphragm.
REFERENCES:
patent: 1808656 (1931-06-01), Hartman
patent: 4443906 (1984-04-01), Tucker et al.
patent: 4999871 (1991-03-01), Plazanet
patent: 5058229 (1991-10-01), Plazanet
patent: 5230184 (1993-07-01), Bukhman
patent: 5579554 (1996-12-01), Plazanet
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