Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1994-10-17
1995-10-03
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15320, 15401, A47L 1130
Patent
active
054541387
ABSTRACT:
An integral gimbal housing is trunnion mounted beneath and to the rear of the frame of a floor scrubber. The gimbal housing includes a vertical pivot shaft to which a yoke is mounted. A spring biases the gimbal housing to the use position. The yoke swings laterally and includes a rearwardly extending tubular receptacle which receives a forwardly extending tube of the squeegee so that the squeegee assembly has independent rotation about a horizontal axis and the squeegee adjusts to uneven surfaces. Torsion springs bias a vertical pivot shaft in the gimbal housing to the center position.
REFERENCES:
patent: 3065490 (1962-11-01), Arones
patent: 3376597 (1968-04-01), Boyd
patent: 3939518 (1976-02-01), Whitney
patent: 4339841 (1982-07-01), Waldhauser et al.
patent: 4483041 (1984-11-01), Waldhauser et al.
patent: 4492002 (1985-01-01), Waldhauser et al.
patent: 4759094 (1988-07-01), Palmer et al.
patent: 4803753 (1989-02-01), Palmer
patent: 5239720 (1993-08-01), Wood et al.
patent: 5377382 (1995-01-01), Bores et al.
Mondigo Jesse V.
Palmer Gary E.
Minuteman International, Inc.
Moore Christopher K.
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