Improvements in roof anchors

Details Improvements in roof anchors Improvements in roof anchors

E - Fixed Constructions

04

G

E04G 21/32 (2006.01)

Patent

CA 2401232

There is an anchor for securing a working line (54) to a structure. The anchor includes a sole plate (2) with an attachment (19) for the working line (54). There is at least one friction plate (5) and a connector strap (4). In use of the anchor the sole plate (2) and friction plate (5) are located against respective opposite sides of a rafter (3) of the structure and are linked together by the strap (4) in a manner such that the working line load on the sole plate (2) generates a clamping force between the sole plate (2) and the friction plate (5). This force resists movement of the anchor by gripping only the outside of the rafter (3).

L'invention concerne un ancrage permettant de fixer une ligne de travail (54) à une structure, qui comprend une plaque d'appui (2) dotée d'une attache (19) pour la ligne de travail (54). Le dispositif comporte en outre au moins une plaque de frottement (5) et une bride de fixation (4). A l'utilisation, la plaque d'appui (2) et la plaque de frottement (5) sont situées contre les côtés respectifs opposés d'un chevron (3) de la structure et sont reliées par la bride (4) de sorte que la charge de la ligne de travail sur la plaque d'appui (2) engendre une force de blocage entre la plaque d'appui (2) et la plaque de frottement (5). Cette force résiste au mouvement de l'ancrage en s'appliquant uniquement à l'extérieur du chevron (3).

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