Energy absorber for personal fall arrestor

  • US 7,815,013 B2
  • Filed: 09/28/2005
  • Issued: 10/19/2010
  • Est. Priority Date: 09/28/2005
  • Status: Active Grant
First Claim
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1. An energy absorber for use as part of a personal fall arresting system that includes:

  • upper and lower two-ply webbings, each webbing having a face ply and a back ply extending along a length of each said webbing, said webbings mounted one over the other with said back ply of said upper webbing being adjacent to said face ply of said lower webbing, and wherein each said ply including a series of warp yarns spaced along its length and a series of weft yarns passing laterally through said warp yarns and wherein said weft yarns of each said face ply are arranged and located substantially midway between said weft yarns of each said back ply within a same webbing and between adjacent webbings;

    exterior tear elements running back and forth sinusoidally between attachment points on weft yarns of said face ply of said upper webbing and adjacent weft yarns of said back ply of said lower webbing; and

    interior tear elements running back and forth sinusoidally between attachment points on weft yarns of said back ply of said upper webbing and adjacent weft yarns said face ply of said lower webbing, andwherein said tear elements are fabricated of a material that is designed to rupture before material fabricating said upper and lower webbings, when the energy absorber is placed under a sufficiently high load.

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