| 摘要 |
A large pet exerciser utilizes but two readily available major components. One is a galvanized pipe or post embedded in concrete. The other major component is an extension or tension spring having a loop or ring on each end. The spring is anchored in the top of the post by means of one loop while a leash is connected to the other or extending top loop. The spring not only elongates when subject to tensile forces, but being mostly free of the post flexes or bends laterally of the post axis in any azimuth or direction. Both actions of the spring exert a bias on any pull by a pet secured to a leash in turn secured to the top or projecting end of the spring. This provides significant decelerating strain relief.
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