F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/21
F16B 13/00 (2006.01) F16B 19/10 (2006.01)
Patent
CA 1170485
-14- COMPOSITE BUCKLING BLIND FASTENER ABSTRACT This invention relates to blind fasteners and more particularly to blind fasteners having a large bearing surface on the blind side of the structure on which it is mounted. Prior art fasteners either tend to damage the material on which they are mounted, have too small of a blind side bearing surface, or are too long to be used in certain applications. The fastener of the present invention has a nut with an axial bore therethrough, a conically shaped nose at one end and an enlarged head at the other end. Extending through said nut is a bolt having a stem and an enlarged head opposite to said nut nose. Between said nut nose and said bolt is a sleeve on said bolt stem. The improvement of the present invention comprises said sleeve having a thick wall section adjacent to said bolt head and a thin wall section adjacent to said nut nose and a collar which engages said sleeve and which has a tensile strength very much less than the tensile strength of said sleeve.
392404
Monogram Industries Inc.
Smart & Biggar
LandOfFree
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