F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 37/06 (2006.01) B21K 1/70 (2006.01) B23P 19/06 (2006.01)
Patent
CA 2489327
A self-attaching nut having an annular pilot (24), an annular flange (30) surrounding the pilot and an annular groove (34) in the bearing surface surrounding the pilot, wherein the bottom wall (36) of the groove has inclined rectangular protuberances (42) and the outer wall (40) of the groove has radial channel-shaped grooves (48) spaced between the radial protuberances. During installation, panel metal is driven against the inclined radial protuberances, driving panel metal under the inclined outer wall of the roove and into the radial grooves in the flange.
L'invention concerne un écrou auto-fixant qui présente un élément pilote annulaire (24), une bride annulaire (30) qui entoure l'élément pilote et une rainure annulaire (34) située dans la surface d'appui qui entoure l'élément pilote. La paroi inférieure (36) de la rainure présente des protubérances (42) rectangulaires inclinées, et la paroi extérieure (40) de la rainure présente des rainures (48) radiales en forme de canal espacées entre les protubérances radiales. Pendant l'installation, un panneau métallique est entraîné contre les protubérances radiales inclinées, ce qui l'entraîne sous la paroi extérieure inclinée de la rainure et dans les rainures radiales situées dans la bride.
Boggs Kerry V.
Parker John M.
Fabristeel Products Inc.
Gowling Lafleur Henderson Llp
Whitesell International Corporation
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