F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 7/18 (2006.01) F16B 12/30 (2006.01)
Patent
CA 2400995
A section-joining joint system for joining rigid sections in disassembable relation, enabling the provision of knock-down assemblies, such as frames, stands and the like, has a series of joints, each requiring the piercing of one of the joint members to form a projecting anchorage flap, and the application of a single tension member secured by the anchorage flap, the tension member being in the form of a bolt and nut in securing relation between the abutting joint members. Joints having as many as four members may be thus formed, which can include diagonal brace members. Carriage bolts having radius-profiled heads with squared inner head portions may be used as the bolting medium. The piercing operation can provide a perforated, projecting flap located adjacent the end of the member, and positioned to receive the tensioned (bolt) member in entered relation therethrough, the free end of the tensioned (bolt) member being passed through apertures in the adjoined structural members, enabling a nut to be applied to the bolt and tightened against the inner face of the projecting flap, drawing the joint members together in mutual compressive relation to complete the assembly of the joint. The joint members may be of U-section channel; also L-section members, and combinations thereof can be used. By the use of asymetrical joints, the structure can be rigidified, providing lateral and longitudinal stiffness. Two types of flap formation can be used, and a support can be introduced to limit flap deflection.
Chicoyne Stanford M.
Eggins Douglas W.
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