×

Concealed rivet element and setting method for binder and the like

  • US 5,100,253 A
  • Filed: 06/03/1991
  • Issued: 03/31/1992
  • Est. Priority Date: 06/03/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. In a ring binder assembly having a spine, an arcuate ring casing having an arcuate portion with spaced apart holes therein, and ring halves for holding sheets of paper, the improvement comprising:

  • (a) a plate assembly including a plate having prongs which prongs are driven into the spine;

    (b) an upstanding rivet mounted on the plate having a deformable upper head extending through an opening in the arcuate ring casing; and

    (c) the deformable upper head deformed to hold the arcuate ring casing in a spaced-apart position above the spine.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×