Moment-arm connecting joint for use in a modular scaffolding...

Details Moment-arm connecting joint for use in a modular scaffolding... Moment-arm connecting joint for use in a modular scaffolding...

E - Fixed Constructions

04

G

304/5

E04G 5/00 (2006.01) E04G 7/06 (2006.01)

Patent

CA 1323393

ABSTRACT For use with a modular scaffolding system, the invention herein provides a moment-arm connecting joint for providing rotational stiffness between members being joined and for attaching a first structural member having a circularly-shaped cross section to a second structural member so that shear forces applied to the first member by external loads are converted to tensile forces in the joint. A backer plate bracket is attached to the second structural member and is adjacent to and at least partially surrounds the outer surface of the first structural member. Fastening means fastens the circularly-shaped first structural member to the backer plate bracket so as to produce a force on the first structural member in a direction which is substantially orthogonal to a plane extending in a tangential direction with respect to the arcuately- shaped surface of the bracket. A compressive force is, in the result, applied to the outer surface of the first member.

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