Pontoon for cleaning swimming bath - has set of filters between upper and lower valve flaps, lower scrapers, side brushes, inspection covers

摘要

A pontoon for cleaning swimming baths etc. has a steel casing (1) with line of filters (5) down the middle, an upper inside chamber carrying an inspection covers, and a lower inside chamber (4) lower and upper flaps (7, 6) control re flow of water through the filters. At the bottom of the sides are protective grids (12). Immediately inside these grids are mounted scrapers (13) for cleaning the bottom of the swimming bath. Brushes can also be fitted for cleaning the sides. Loops (14) on the sides above the water line receive attachment lines. The pontoon may be moved along by rollers kept in contact with guides along the sides of the bath, driven through gearing by an electric motor. Such a unit can be fitted each end.