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Device for aerobic exercise

  • US 20050020418A1
  • Filed: 07/24/2003
  • Published: 01/27/2005
  • Est. Priority Date: 07/24/2003
  • Status: Abandoned Application
First Claim
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1. A device for aerobic exercise, comprising:

  • a base frame; and

    a resilient bladder body mounted on said base frame, said bladder body having a bottom wall disposed on said base frame and having a first rim, a curved surrounding wall with a second rim connected to said first rim of said bottom wall so as to define a fluid-receiving space, and a surrounding flange extending downwardly from said second rim of said curved surrounding wall and disposed to surround said base frame, said curved surrounding wall having a top wall portion, and a curved surrounding wall portion connected to said top wall portion and formed with said second rim, said bladder body defining a first axis that passes through a center of said bottom wall and along which said bottom wall has a width, and a second axis which passes through the center of said bottom wall and said top wall portion of said surrounding wall, which is transverse to the first axis and along which said curved surrounding wall has a maximum height less than the width of said bottom wall, said top wall portion having a rigidity greater than that of said surrounding wall portion and less than that of said bottom wall.

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