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Removable fastener capable of elastic deformation

  • US 5,346,347 A
  • Filed: 01/21/1993
  • Issued: 09/13/1994
  • Est. Priority Date: 01/24/1992
  • Status: Expired due to Term
First Claim
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1. A fastener for a part, from which it can be removed again, comprisinga body a flanged head projecting from one end of said body;

  • a central cavity within said body and communicating with outside of the body;

    at least one wall portion of said body having an inner side bounding a segment of said cavity, wherein said wall portion elastically deforms when an outside force is applied to said wall portion;

    a projection on an outer side of said wall portion, wherein said projection and said flanged head bound a jaw by means of which the fastener can be affixed to said part and on account of the deformation of said wall portion the projection will open and release the part and the fastener from each other; and

    means for applying said deforming force, wherein the deforming-force means are pressure or vacuum sources, the cavity is substantially sealed and said pressure or vacuum sources communicate with said central cavity to create a pressure imbalance causing said outside force.

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