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Exercise board having central mounting with multi-level adjustable spacer

  • US 5,810,703 A
  • Filed: 08/01/1996
  • Issued: 09/22/1998
  • Est. Priority Date: 08/01/1996
  • Status: Expired due to Term
First Claim
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1. In an exercise device having an upper supported board and a lower spherical sectioned pivot for enabling balanced exercise on the upper supported board over the lower spherical sectioned pivot, the improvement comprising:

  • means for adjustable tightening between the spherical sectioned pivot and the upper supported board for permitting attachment of the spherical sectioned pivot to the upper supported board at at least two different heights; and

    ,a spacer for placement between the spherical sectioned pivot and the upper supported board;

    the spacer defining at least two different spherical section receiving surfaces at two differing heights with respect to the upper supported board for enabling the spherical sectioned pivot to be supported at two different heights relative to the upper supported board; and

    ,each spherical section receiving surface bounded by side restraining portions on either side for locking the pivot at one of the at least two different heights whereby upon adjustable tightening between the upper supported board, the spacer and the spherically sectioned pivot a unitary mass is formed.

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