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SHOCK FORCE INDICATING DEVICE

  • US 20050039669A1
  • Filed: 08/21/2003
  • Published: 02/24/2005
  • Est. Priority Date: 08/21/2003
  • Status: Active Grant
First Claim
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1. A shock force indicating device comprising:

  • a base member having a substantially flat top surface;

    a top member having a raised portion disposed in spaced relation above said base member forming a cavity between said top member and said base member;

    a bearing disposed within said cavity; and

    a pressure sensitive material disposed on said base member;

    wherein movement of said bearing over said pressure sensitive material produces a visually identifiable path on said pressure sensitive material tracing movement of said bearing when said bearing moves in response to a shock force on said device;

    wherein said base member and said to member provide a compressive force to said beating such that said bearing is held in place until said device is subjected to a shock force greater than a predetermined threshold.

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