F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 39/30 (2006.01) E04F 13/21 (2006.01) F16B 25/00 (2006.01) F16B 25/08 (2006.01) F16B 25/10 (2006.01) F16B 33/02 (2006.01)
Patent
CA 2733402
Fasteners are provided that include a head and having a head, a tip end having a tip, a first body portion having right-hand threads, and a second body portion having left-hand threads. The first body portion is adjacent to the tip end of the fastener and extends a first distance along a length of the fastener towards the head end. The second body portion is adjacent to the first body portion, and extends the head end of the fastener and extending a second distance along the length of the fastener towards the head end. The right-hand threads, and the left-hand threads, can have a pitch angle .alpha. of less than about 60°.
Bent Jeff
Kochheiser Michael
Atlas Bolt & Screw Company L.l.c.
Blake Cassels & Graydon Llp
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