F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 39/282 (2006.01) B23P 19/06 (2006.01) F16B 37/06 (2006.01)
Patent
CA 2128448
FEMALE CLINCH FASTENER WITH COLD-FORMED. LOCKING FLANGE AND ASSOCIATED INSTALLATION METHOD Field of the Invention The invention relates to the field of fasteners, and, more particularly, to a female clinch fastener, or clinch nut, mounted to a sheet and an associated method for installing the clinch fastener. Background of the Invention A conventional female clinch fastener, or clinch nut, is permanently installed into a portion of a metal sheet so that the nut becomes an integral part of the metal sheet. The clinch nut is installed by cold-forming the metal of the sheet or the nut, rather than welding. The clinch nut thus provides a threaded bore with greater holding capacity than could be obtained by simply threading an opening in-the sheet metal alone. Such a clinch nut is commonly used in automobiles to provide a means for fastening bolts to a metal sheet, for example. One conventional clinch nut is available from RB&W Corporation of Mentor, Ohio, under the designation SPAC?nut. The SPAC?nut includes a back-tapered polygonal portion that is press fit into a slightly undersized opening in-a sheet. The nut is locked into the sheet by a coining action as the sheet material
Emhart Inc.
Swabey Ogilvy Renault
LandOfFree
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