F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 39/30 (2006.01) B21D 17/00 (2006.01) B21H 3/02 (2006.01)
Patent
CA 2151837
A threaded fastener (12) that self locks as it is tightened to a fastened object (14). The thread (30) includes one or more portions (48) that are shifted, resulting in one or more discontinuities in the thread (30). Each shifted portion (48) of thread (30) is fully formed at the discontinuity. The shifted portions (48) will deform a relatively softer female thread, causing the deformed thread to move up and over the end faces (56) of the shifted portions (48) and to pack up in front of the end faces (56) to prevent any significant loosening of the connection.
Gowling Lafleur Henderson Llp
Monogram Aerospace Fasteners
LandOfFree
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