Directional control means for robotic swimming pool cleaners

Details Directional control means for robotic swimming pool cleaners Directional control means for robotic swimming pool cleaners

1993-04-12

1994-08-16

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

E04H 320

Patent

active

053374347

ABSTRACT:
Directional control means are provided for robotic swimming pool or water tank cleaner of the type having an internal filter bag for removing and retaining debris from the pool, an electric pump for drawing water through the filter bag and two parallel motor driven cylindrical brushes for propelling the cleaner along and sweeping the bottom surface of the pool, said control means including one or more water activated hydraulic cylinders located on the side of the cleaner between the brushes, each containing a leg adapted to project downwardly to contact the pool bottom and partially lift one side of the cleaner. As the cleaner moves along the pool bottom it pivots around the projected leg to change direction. Manual or automatic means can be provided to activate the hydraulic legs.

REFERENCES:
patent: 4154680 (1979-05-01), Sommer
patent: 4168557 (1979-09-01), Rasch
patent: 4304022 (1981-12-01), Sommer
patent: 4518437 (1985-05-01), Sommer
patent: 4700427 (1987-10-01), Knepper
patent: 5001800 (1991-03-01), Parenti et al.
patent: 5197158 (1993-03-01), Moini

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