Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1989-05-15
1991-02-05
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 98, 15119A, 15353, 15 971, 34 95, A47L 11292
Patent
active
049892932
ABSTRACT:
A mechanism for removing water from tennis courts. A large roller having a sponge sleeve thereon is rolled over the court surface to pick up water lying on the court surface. As the roller rotates the sponge sleeve moves against a smaller roller that exerts a localized pressure force on the sponge material; water is thus squeezed out of the sponge pores into a collection tank located below the small roller. The mechanism further includes a heating device located behind the large roller to direct heated gas onto the tennis court surface to evaporate moisture that was not picked up by the roller (sponge).
REFERENCES:
patent: 3177794 (1965-04-01), Laing
patent: 3789449 (1974-02-01), McFarland et al.
patent: 3967339 (1976-07-01), Newman
patent: 4595420 (1986-06-01), Williams, III et al.
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