| 摘要 |
PURPOSE: A jumping tube bed, having a function of trampoline combined with that of a tube as a playing equipment in the water, is provided to satisfy the conditions in which the present jumping tube bed is used as a trampoline as well as a playing equipment in the water in summer. CONSTITUTION: The jumping tube bed includes: a body frame(1); a spring board(3); and a connecting rope(PE-rope)(4), used as a joint between the body frame(1) and the spring board(3). The spring board(3) generates the force of restitution, equal to that of an existing trampoline, by being connected with a pneumatic elasticity. The present jumping tube bed has a function for playing in the water which is combined with a specific function of the existing trampoline.
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