F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 23/00 (2006.01) F16B 35/04 (2006.01)
Patent
CA 2308658
A novel drive system includes a body, such as a threaded fastener body or a drive tool body, a tapered transitional portion at an end of the body, and a drive portion at the end of the transitional portion, such that the transitional portion is between the drive portion and the body. The transitional portion has structure thereon, such as a plurality of alternating curved lobes and flutes, for engagement with a corresponding socket. At least a portion of the lobes are threaded in the transitional portion. The drive portion also has structure thereon for engagement with the socket, such as a plurality of alternating curved lobes and flutes. The flutes on the transitional portion are axially aligned with the flutes on the drive portion and the lobes on the transitional portion are axially aligned with the lobes on the drive portion.
Crissinger Terry A.
Goss David C.
Acument Intellectual Properties Llc
Smart & Biggar
Textron Inc.
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