| 摘要 |
An animal tread wheel is provided which is lightweight, easily assembled and disassembled, and allows a handler to reach into the tread wheel from either side while the animal is running. The drum of the tread wheel is formed in four curved quarter-sections, wiht flanges at each section end. A roller guide track runs along each side of the quarter-sections. When the flanges are bolted together, the sections form a rigid, self-supporting drum. This drum then is placed on a base having rollers which ride in the guide tracks on the drum. Preferably, the rollers are simply inverted furniture casters. If desired, sides can be placed on the drum, allowing it to be used as a cage.
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