Patent ID: 7748180
Filing Date: 2010-07-06
Classification: E04B,E04C,E04G

Abstract:
1. A stiffening system for stiffening a joist member, a beam member and a truss member, the member stiffening affected by adjustable pre-tensioning, the system comprising: a pair of struts; a forming bracket fastened to each end of the struts, the forming bracket having an attachment end; a tensioning bolt extending through the forming bracket at one end; a triangulated bracket attached to each end of the struts opposite the forming bracket attachment end to be attached to a joist member; a pipe washer attached to the tensioning bolt at an end opposite the forming bracket attachment end, the pipe washer having an attachment end; a strap secured by the tensioning bolt and the pipe washer at the pipe washer attachment end of the tensioning bolt; and a nut threadly attaches to the tensioning bolt to secure the pipe washer to the tensioning bolt at the pipe washer attachment end.