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Exercise device with suspended inertial core

  • US 8,469,865 B2
  • Filed: 10/23/2009
  • Issued: 06/25/2013
  • Est. Priority Date: 10/23/2009
  • Status: Expired due to Fees
First Claim
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1. An inertial exercise device, comprising:

  • a hollow outer ball; and

    an inner ball elastically and concentrically suspended inside the outer ball by only two opposing suspension members, wherein the inner ball is fillable with a fluid mass;

    wherein at least one of the two opposing suspension members comprises a neck segment through which the inner ball can be filled.

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