Concave-convex shapes on bolts and nuts to minimize bending

Details Concave-convex shapes on bolts and nuts to minimize bending Concave-convex shapes on bolts and nuts to minimize bending

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 23/036 (2006.01) F16B 33/00 (2006.01) F16B 37/00 (2006.01) F16B 43/02 (2006.01)

Patent

CA 2738077

A flange connection is provided which includes a first flange having a first mounting hole and at least one second flange having a second mounting hole adapted to be aligned with the first mounting hole. A bolt including a shaft portion having a threaded portion, and a head portion formed at one end of the shaft portion is adapted to pass through the first and second mounting holes. A screw nut is adapted to be screwed onto the threaded portion and for connecting, when tightened, the first flange and the at least one second flange. At least one of the head portion and the screw nut includes a convex surface which is oriented towards the respective flange, and the respective flange includes, at the mounting hole, a flange recess which is oriented towards the convex surface.

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