E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/38 (2006.01) E04B 1/48 (2006.01) E06C 7/08 (2006.01) E06C 7/50 (2006.01) F16B 11/00 (2006.01) F16B 12/24 (2006.01) F16B 13/00 (2006.01)
Patent
CA 2366008
A structural support assembly, more particularly incorporating a joint useful in the preparation of structural support assemblies such as ladders, scaffolds and trusses. The joint has a male member (42) with an open-ended hollow projection which defines an inner wall and an outer wall. The joint also has a wooden female member having a socket defined by a groove in the form of a closed loop having opposing walls. The projection of the male member is fitted in a clearance fit in the socket and is secured therein by a binding material which contacts the inner and outer walls of the projection and the opposing walls of the socket. The binding material also permeates the female member surrounding the socket. A process for the preparation of such structural supports is also described.
L'invention concerne un ensemble de support structural, en particulier un ensemble incorporant un joint utile dans la fabrication d'ensembles de support structural, tels que les échelles, les échafaudage et les armatures. Le joint possède un élément mâle (42) pourvu d'une saillie creuse ouverte à l'extrémité, qui définit une paroi intérieure et une paroi extérieure. Il possède également un élément femelle en bois pourvu d'un emboîtement, défini par une rainure sous forme d'une boucle fermée à parois opposées. La saillie de l'élément mâle est ajustée avec jeu dans l'emboîtement, et y est fixée par un matériau de liaison, qui vient en contact avec les parois intérieure et extérieure de ladite saillie et les parois opposées dudit emboîtement. L'élément femelle qui entoure l'emboîtement traverse le matériau de liaison. L'invention concerne également un procédé de préparation de ce support structural.
Palmerston Extension Ladder Company Limited
Sim & Mcburney
LandOfFree
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