Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1995-08-31
1997-03-11
Scherbel, David
Brushing, scrubbing, and general cleaning
Machines
Wiping
15 491, 15385, 451353, A47L 1114, A47L 1120
Patent
active
056089392
ABSTRACT:
A floor burnisher having a frame, a peripheral housing, rear wheels and a front caster, the housing having an internal cylindrical wall defining a vertical chamber having an open bottom; a floating rotational drive motor in the chamber, and a rotational pad-driver underlying and connected to the motor to be rotationally driven thereby for mounting a flexible burnishing pad; suspension links and springs between the frame and drive motor suspending the drive motor, pad-driver and pad thereon in a floating fashion relative to the frame and housing, allowing limited vertical movement relative to the cylindrical wall; a flexible, peripheral, floor-engagement skin suspended from the peripheral housing shroud, and an air flow control sealing member between the motor and annular wall for preventing excessive air flow between the floating motor and wall into the burnisher wall chamber. In one embodiment, the air flow control member is a wiper mounted on the motor and slidably engaging the wall to slide up and down the wall. In a second embodiment, the air flow control member is a diaphragm between the motor and housing. In a third embodiment, the air flow control member is a bellows between the motor and housing.
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patent: 2953807 (1960-09-01), Nilsson
patent: 4715087 (1987-12-01), Todd et al.
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Product Brochure from Tennant Trend, "The 201 Scrubbisher.RTM.", LITHO in USA 12/92-15M 100-032, 4 pages.
Product Brochure from Tennant Trend, "The 2500XP & 2500XPD Burnishers", Part #100-029 Litho USA, 4 pages, (not dated).
Nobles Industries, Inc., "Speedshine.RTM.2000 Dust Control Burnisher", 2 pages, 1993.
Centaur, "Swift The 2000 RPM Burnisher", pages, (not dated).
Waldhauser Steve
Wulff Richard F.
Castex Incorporated
Chin Randall E.
Scherbel David
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