F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/123
F16B 39/28 (2006.01) B23P 19/06 (2006.01) F16B 37/06 (2006.01)
Patent
CA 1053552
SELF-FLANGING NUT AND JOINT CONSTRUCTION Abstract of the Disclosure A self-flanging nut construction utilizing a tubular body having a laterally extending flange at one end and an opening therethrough, said opening having a first portion and a second portion of differ- ing cross sectional areas, the first portion being formed with a thread and the second portion defining a riveting flange. A plurality of circumferentially spaced serrations or ribs are provided on the periphery of said body adjacent said flange. When the nut is placed adjacent a sheet metal body having an opening therein with the opening in alignment with the opening in the nut and the nut is forced against said plate, the metal surrounding said opening in said plate is first deformed axially of the opening to form a tubu- lar portion and thereafter the riveting flange is deformed laterally outwardly over the end of the tubu- lar portion formed on said plate. The circumferential spacing, width and thickness, and length of the ribs is such that the metal is deformed outwardly at the ribs while the metal between the ribs remains substan- tially as formed into the tubular portion. -i-
266315
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