Truss lift stiffener

B - Operations – Transporting – 66 – C

Patent

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Details

B66C 1/00 (2006.01)

Patent

CA 2529229

A stiffener device for use in moving a truss is disclosed. A crane lift cable is attached to a spreader bar. Two lines from the spreader bar attach to the truss to move the truss using a crane. A stiffener body attachable to the truss by brackets allows the stiffener body to hang on the bottom chord of the truss. The stiffener body provides a significantly increased resistance to bending along the length of the truss. This stiffening prevents bending and flexing of the truss which can reduce the numbers of damaged trusses that can occur when setting trusses to a building structure.

L'invention concerne un raidisseur destiné au déplacement d'une poutre triangulée. Un câble de levage de grue est fixé à un palonnier. Deux cordes partant du palonnier sont fixées à la poutre triangulée en vue du déplacement de cette poutre au moyen de la grue. Un corps raidisseur pouvant être fixé à la poutre triangulée au moyen d'éléments de fixation est disposé sur la membrure inférieure de la poutre. Le corps raidisseur permet d'obtenir une résistance au pliement considérablement accrue le long de la poutre triangulée. Ce raidissement empêche le pliement et la flexion de la poutre, d'où une réduction du nombre de poutres endommagées lors de la mise en place de poutres triangulées dans une structure de bâtiment.

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