Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1985-06-07
1986-08-12
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 17, 15 21E, 15181, 15198, E04H 320, A46B 1304
Patent
active
046047662
ABSTRACT:
A tile cleaning device for removing calcium build-up which occurs substantially at and above a liquid level in a pool or the like which includes a wheeled frame adapted to be placed on a ledge surrounding the pool which is driven to cause the frame to move away from the pool edge, a brush attached to the frame and driven by a motor, the brush extending within the pool and adapted to abut against tile forming a pool wall so that the tension of the frame moving away from the pool provides pressure against the brush for cleaning the tile. Additional pressure can be brought to bear against the tile by providing an additional wheel with adjustment to alter the configuration of the frame relative to the pool edge so as to change the angle of attack of the brush, and a source for providing water upon the brush-tile interface is provided not only to lubricate the interface, but also to wash away calcium deposits that are stricken off the tile.
REFERENCES:
patent: 3562832 (1971-02-01), Rickard
patent: 4193228 (1980-03-01), Bowler
patent: 4312090 (1982-01-01), Durcan
patent: 4324015 (1982-04-01), Head
Bloom Leonard
Roberts Edward L.
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