Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1989-06-26
1991-03-26
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15387, E04H 320
Patent
active
050018000
ABSTRACT:
An automatic, self-propelled cleaner comprises a hydraulic turbine motor for driving two oppositely located wheel Locomotion members and at least one cam driven by the motor and associated with one of the wheel locomotion members to temporarily riase it while the other of the wheel Locomotion members is held engaged, thereby the travel direction of the cleaner can be changed.
REFERENCES:
patent: 3790979 (1974-02-01), Foster
patent: 4560418 (1985-12-01), Raubenheiner
Frattini Ercole
Parenti Giorgio
Egatechnics S.r.L.
Roberts Edward L.
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