Truss lift stiffener

Details Truss lift stiffener Truss lift stiffener

2005-10-25

2005-10-25

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

C294S081560, C052S122100

Reexamination Certificate

active

06957838

ABSTRACT:
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.

REFERENCES:
patent: 2646305 (1953-07-01), Sonderstrup
patent: 3450280 (1969-06-01), Colnot
patent: 4026592 (1977-05-01), Powers
patent: 4355832 (1982-10-01), Andersen
patent: 4397492 (1983-08-01), Craig
patent: 5934038 (1999-08-01), Clausen
patent: 2004/0094982 (2004-05-01), Neufeldt

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