Self-locking fastener with threaded swageable collar

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 39/34 (2006.01) F16B 19/05 (2006.01) F16B 39/02 (2006.01)

Patent

CA 2446203

A fastener (10) having a bolt (12) and a threaded swageable collar (14). The bolt includes a head (16) portion, a flange portion (24), and a shank portion which extends through two aligned apertures formed in adjacent panels (42). The shank portion includes a threaded gripping portion (22) and a locking groove (26) adjacent to the gripping portion. The collar is cylindrical having an internally threaded section (36) and a swaging section (38) whereby the collar is fastened to the bolt by threading the threaded section of the collar onto the threaded gripping section of the bolt and swaging the swage portion of the collar into the locking groove of the bolt.

L'invention porte sur une fixation présentant un boulon et un filetage à écraser. Le boulon comprend une partie de tête, une partie de rebord et une partie de tige s'étendant à travers les deux ouvertures alignées ménagées dans des panneaux adjacents. La partie de tige comprend une partie de préhension filetée et une rainure de blocage adjacente à la partie de préhension. Le filetage est cylindrique et présente un filetage interne et une partie à écraser par le biais de laquelle est fixé le filetage au boulon sur la partie de préhension filetée du boulon. Pour ce faire, la partie à écraser est écrasée dans la rainure de blocage du boulon

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