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US 2002/0176766 A1Published application
Double quarter turn fastener
AssigneeIllinois Tool Works Inc.
InventorsKenneth LeVey, Franco Cisternino
Life of this patent
Estimating the term…
Abstract
The apparatus is a double quarter turn fastener which includes a first element with a head, a square seat, and prongs extending from inwardly adjacent to the sides of the seat outwardly so as to terminate in surfaces with hemispherically extending nubs. The double quarter turn fastener further includes a second element which engages the first element by detent elements or by a rotatable snap fit.
Claims20
A fastener assembly including;
- a first element which fastens to a second element;
- said first element including a head, a seat with a plurality of sides formed on said head, prongs extending outwardly from said seat, and a first detent element;
- and
- said second element including a second detent element for receiving said first detent element.
1 more element
A fastener assembly including;
- a first element which fastens to a second element;
- said first element including a head, a seat with a plurality of sides formed on said head, prongs extending outwardly from said seat, and an aperture;
- and
- said second element including a shaft for engaging said aperture.
1 more element
Dependencies are inferred from the claim text.