This wheel design consists of three tires each mounted to a separate shaft.

Tri star wheel stair climber. A tri star wheel functions as an ordinary wheel on flat ground but has the ability to climb automatically when an impediment to rolling is encountered. Stair climber is the latest in a series of models based on the tri star wheel concept. The robot will be used to enter potential dangerous disaster site in search of. This type of stairclimber relies on a wheel configuration known as tri star three wheels set into a triangle configuration replacing the standard wheel on either side.

Manual stairclimber wheels can be fitted to hand trucks sack trucks and as the name implies are designed to aid the moving of goods up or down stairs. A tri star wheel functions as an ordinary wheel on flat ground but has the ability to climb automatically when an impediment to rolling is encountered. A tri star wheel consists of a three spoked wheel with 3 leaf wheels on the end of the each spoke all powered. Stairclimber wheels can sometimes be problematic when trying to turn on flat ground as four wheels in a fixed position will be in contact with the ground at all times unless.

The tri star wheel is a triangular star wheel arrangement in which the wheels can be driven in a normal fashion for rolling over flat terrain traversing a terrain gap or climbing over obstacles as the whole assembly can be rotated.

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