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Amphibious foldable treadmill

  • US 7,291,096 B2
  • Filed: 07/15/2005
  • Issued: 11/06/2007
  • Est. Priority Date: 07/15/2005
  • Status: Expired due to Fees
First Claim
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1. An amphibious foldable treadmill comprising:

  • a main frame having at least a pair of wheels rotatably mounted on a bottom of said main frame to be rolled on a ground surface to allow for treading on any land surface or to be rolled on a pool wall for launching into a pool for underwater treading;

    a tread belt device, having an endless belt, pivotally secured to said main frame; and

    a hand rail device pivotally secured between said main frame and said tread belt device;

    whereby upon folding of said tread belt device and said hand rail device towards said main frame, a folded treadmill is obtained for easy moving, handling, landing on a ground or launching into water;

    said hand rail device including;

    a pair of hand rails respectively pivotally secured to a pair of arm members of a U-shaped handle of said main frame, and a pair of supporting bars with each supporting bar having a lower bar portion pivotally secured to a rear portion of the tread belt device, each said hand rail having an arcuate portion formed on a rear portion of the hand rail to be pivotally connected with a sleeve member, with the sleeve member slidably engaging with each said supporting bar, and each said supporting bar having a locking end portion detachably fastened to a protruding portion of each said hand rail by a locking bolt when assembling the treadmill.

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