A trench cover element

E - Fixed Constructions – 02 – D

Patent

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Details

E02D 17/10 (2006.01) E01C 23/06 (2006.01)

Patent

CA 2384566

A temporary trench cover comprises a number of cover elements (1) which are of prefabricated or cast metal construction. Interlink means for interengaging like cover elements on assembly comprises a male head part (35) at one end and a female slot at an opposite end. The male part (35) engages with the female slot in such a way as to allow limited controlled relative movement between adjacent cover elements on assembly in both the horizontal and vertical planes. In this way the cover elements readily follow the contour of the ground in which the trench is dug providing an even surface over the trench and, on assembly, unauthorised removal of a cover element is prevented.

La présente invention concerne une couverture de tranchée provisoire qui comprend un certain nombre d'éléments couverture (1), qui sont préfabriqués ou coulés dans du métal. Un organe de liaison destiné à emboîter les éléments couverture entre eux sur un ensemble comprend une partie mâle (35) placée à une extrémité et une encoche femelle placée à l'extrémité opposée. La partie mâle (35) s'emboîte dans l'encoche femelle de façon à permettre un mouvement relatif contrôlé et limité entre des éléments couverture contigus sur l'ensemble tant dans le plan vertical qu'horizontal. De cette manière, ces éléments couverture suivent rapidement les contours du sol dans lequel la tranchée est creusée, offrant une surface unie sur cette tranchée et, on prévient par ailleurs, l'éjection inopinée d'un élément couverture de cet ensemble.

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