Convertible structural element

Details Convertible structural element Convertible structural element

Category

E - Fixed Constructions

Subcategory

04

Subsubcategory

H

IPC codes

E04H 12/18 (2006.01) E04C 3/00 (2006.01) E04C 3/04 (2006.01)

Type

Patent

Patent number

CA 2146724

Description

This convertible structural element comprises two link chains (1, 2) which, after assembly, are capable together of assuming the form of a rigid beam. The links (3, 4) of the two chains are provided with antagonistic bearing points (10, 11), the first bearing point (10) of a link of rank n of each chain interacting with a second bearing point (11) of a link of rank n-1 in order to trap fas- tening elements which the pins (7, 8) of the links of the other chain form, when the element is made rigid. At least some links of at least one of the chains of the structural element exhibit a row of teeth (13) which, together with the teeth of the neighbouring links in the direction of the length of the element, form a continuous toothing extending laterally over the entire length of the element.

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