Internally tensioned structural member and method of...

Details Internally tensioned structural member and method of... Internally tensioned structural member and method of...

Category

E - Fixed Constructions

Subcategory

04

Subsubcategory

H

CPC

72/101, 20/108

IPC codes

E04H 12/08 (2006.01) E04C 3/28 (2006.01) E04C 3/36 (2006.01)

Type

Patent

Patent number

CA 1160421

Description

Abstract of the Disclosure A structural member having an enlongated body shell, which may be fiber glass, and a pair of end caps enclosing the ends of the shell. A plurality of bands extend through the shell connecting the caps and pulling them toward each other, thus rigidifying the member and securing the caps. Contact between the interior surfaces of the shell and the side edges of the bands causes the shell to resist collapse. At one end of the member, the bands are secured to the end cap by movable anchor piece. A tensioning member threadedly engages the anchor piece so that tension can be applied to the bands by rotating the tensioning member. At a predetermined tension, a drive piece connected to the tensioning member breaks away and serrations on the head of the tensioning member prevent it from counter-rotating to release the tension.

Application Number

386369

Affiliated with

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