Drive track for self-propelled pool cleaner

Details Drive track for self-propelled pool cleaner Drive track for self-propelled pool cleaner

1998-08-21

2000-12-05

Stormer, Russell D.

Wheel substitutes for land vehicles

Endless belt having nonmetallic track or tread

Track formed of endless flexible belt

305160, B62D 5526

Patent

active

061556572

ABSTRACT:
A submersible self-propelled pool or tank cleaner that includes a pair of moving driven endless belts or drive tracks is provided with moving side-projecting elements that extend from either the moving drive track or the drive wheels, or both, in order to contact the side wall of the pool and other projecting structural elements in the pool, to thereby prevent the stationary structural elements of the pool cleaner from being damaged by scraping the side of the pool and to prevent the hard plastic of the cleaner housing from damaging light-weight swimming pool liners. The drive track or belt is provided with raised transverse rib members that terminate in a tip that projects beyond the edge of the belt and extends beyond the projected line of structural elements along the side of the pool cleaner. The hub of the drive wheels around which the belt passes is provided with an extension member that extends outwardly from the hub perpendicular to the longitudinal axis of the cleaner and the direction of travel, a distance that is sufficient to permit the extension member to contact the side and/or bottom of the pool and to prevent the fixed structural elements of the cleaner from contacting the side wall and/or bottom of the pool.

REFERENCES:
patent: 1814046 (1931-07-01), Kegresse
patent: 2541177 (1951-02-01), Slemmons
patent: 3900231 (1975-08-01), Ohm

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