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Folded beam structure utilization methods and apparatus

  • US 4,199,980 A
  • Filed: 10/30/1978
  • Issued: 04/29/1980
  • Est. Priority Date: 10/30/1978
  • Status: Expired due to Term
First Claim
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1. A method of translating a force into a pair of oppositely acting moments up to a limited magnitude of said force, comprising in combination the steps of:

  • providing a folded beam structure with a first leg presenting a first end of the folded beam structure, and a second leg shorter than said first leg and presenting a second end, spaced from said first end, of the folded beam structure;

    maintaining said first end stationary relative to said second end of the folded beam structure;

    applying said force to said second end of the folded beam structure, moving said second leg with said applied force and imposing on said first leg with said applied force and moving second leg a first moment acting in a first portion of said first leg on one side of said second end and a second moment acting oppositely to said first moment in a second portion of said first leg on another side of said second end; and

    preventing overloading of said first leg by providing a stop member in the path of travel of said second leg and out of any path of travel of said first leg limiting the travel of said second leg by having said second leg impinge on said stop member in response to an overload condition in said applied force.

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