F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 15/00 (2006.01) F16B 15/04 (2006.01)
Patent
CA 2538547
A double-shank shooting nail includes a master nail and a sub-nail on the master nail to enhance fastening. The master nail has a master shank with an action portion. The action portion has at least one jutting flange. The flange has at least one notch formed on a corresponding longitudinal location to become a sub-nail holding trough to hold at least one sub-nail. The sub-nail has a coupling portion on the top end to be coupled on the surface of the master shank and a sloped surface on the tip, and at least one notch on the outer surface thereof. When the master shank is nailed into a metal board, the metal board is wedged between two neighboring flanges, and the sub-nail is bent and inserted into a spacer. The sub-nail may be hardened by a hardening process in advance so that the master nail and the sub-nail can penetrate through the metal board to enhance fastening without loosening.
Cassan Maclean
Joker Industrial Co. Ltd.
LandOfFree
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