| 摘要 |
The Dog Bike Exerciser provides a means of exercising one or more dogs by leashing them at the rear of a bicycle by an apparatus that is attached to t he bicycle frame. The apparatus comprises two main arms attached to the vertical component of the bike frame below the bike seat; these arms extend horizontally toward the back of the bike. The free ends of the main arms are attached to two extensi on arms, which extend horizontally beyond the back bike wheel. The extension ar ms are joined behind the bike wheel by a wooden connecting piece, to which expansion springs and harness rings are attached as a means of leashing the dog or dogs to be exercised. When not in use, the expansion arms can be removed or folded up out of the way behind the bike seat by loosening wing nuts on the extension arms.
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