Spring hinge

Spring hinge

  • CN 1,073,710 C
  • Filed: 04/24/1996
  • Issued: 10/24/2001
  • Est. Priority Date: 04/27/1995
  • Status: Active Grant
First Claim
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1. method of making spring hinge, this hinge is made of at least one shell, an articulated elements and a spring part, it is characterized in that this method comprises the steps:

  • One metal tape that is used to form articulated elements is provided;

    Cut out roughly consistent zone with the articulated elements profile;

    Form a circular portion to form the convex shoulder of articulated elements by punching press;

    Go out the hinge hole of articulated elements.

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