发明名称 TRAMPOLINE
摘要 A trampoline having a frame formed of tubular material, generally rectangular in shape and supported on legs constructed to yieldingly resist downward movement of the frame bodily and to allow downward yielding movement of a portion of the frame in response to the exertion of a downward impact thereon. The invention includes yieldingly supported pad means on the frame of the trampoline positioned to cushion the impact of the user on the frame.
申请公布号 US3677368(A) 申请公布日期 1972.07.18
申请号 USD3677368 申请日期 1970.09.25
申请人 VICTOR J. GREEN 发明人 VICTOR J. GREEN
分类号 A63B5/11;(IPC1-7):A63B5/00 主分类号 A63B5/11
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