Cleaning apparatus for a liquid containing vessel

Details Cleaning apparatus for a liquid containing vessel Cleaning apparatus for a liquid containing vessel

1990-10-24

1992-03-24

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

E04H 320

Patent

active

050975595

ABSTRACT:
A pool cleaning apparatus is provided with spaced apart drive wheels for mobility and suction apparatus to clean the interior surface of the pool. A supplementary drive roller is provided generally between the drive wheels to move the cleaning apparatus off any convex irregularities that may otherwise strand the apparatus in one position in the pool.

REFERENCES:
patent: 4306329 (1981-12-01), Yokoi
patent: 4920599 (1990-05-01), Rief

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