Patent ID: 9573187
Date: 2017-02-21
CPC Classifications: B21J,F16B,Y10T

Claim:
1. A tacking fastener for securing at least two workpieces together to form a temporary assembly, the tacking fastener comprising: a stem defining a proximal end portion, a central portion, and a distal end portion, the stem comprising: a sleeve disposed around the stem between the head and the plurality of ridges and grooves, the sleeve configured to form a tacking rivet upon installation of the tacking fastener, the sleeve defining a flange having a proximal face and a distal face, the proximal face defining a gripping feature and the distal face defining a diameter marking indicia, wherein the sleeve is plastically deformed during installation to form a plurality of bulbs, thereby being capable of securing workpieces of varying grip length, the stem and the tacking rivet remain within the workpieces after the workpieces are secured together, and the gripping feature of the sleeve and the stem engage the workpieces to inhibit spinning of the sleeve upon subsequent removal.