Attachment device releasable under a load for a trapeze...

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 9/10 (2006.01) B63B 35/79 (2006.01)

Patent

CA 2562498

The device includes a planar body (3) secured to a harness bar (2), a hook (10) pivotably mounted on the front portion of the body (3) about a pin (9) transversal to the body, wherein said hook comprises a pointed end (13) on the rear side thereof, a hairpin spring (15) with the facing ends of the branches thereof engaged in apertures (16) of the body that are offset so as to rotate the entire spring unit forwards, and such that the central portion of the spring (15) locks the hook (10) by engaging same at the rear of the pointed end (13) thereof, and a lever (11), hinged to the body (3) about a pin (17) parallel to the pin (9) of the hook (10) and located above same, comprising an upper portion (18), above the pin (17), facing upwards and forwards and a lower portion (19) facing downwards and rearwards, the lower end of which engages the forward-facing surface of the branches of the hairpin spring (15).

Ce dispositif comprend un corps (3) de forme aplatie solidaire d~une barre de harnais (2), un crochet (10) monté pivotant sur la partie avant du corps (3), autour d~un axe (9) transversal au corps, ce crochet comportant du côté arrière un bec (13), un ressort en épingle (15) dont les deux extrémités des branches, tournées l~une vers l~autre sont engagés dans des trous (16) du corps décalés tendant à faire pivoter l~ensemble du ressort vers l~avant, de telle sorte que la partie centrale du ressort (15) vienne assurer le verrouillage du crochet (10) en venant prendre appui derrière le bec (13) de celui-ci, et - un levier (11) articulé sur le corps (3) autour d~un axe (17) parallèle à l~axe (9) du crochet (10) et situé au dessus de celui-ci, comportant une partie supérieure (18), au-dessus de l~axe (17), tournée vers le haut et vers l~avant, et une partie inférieure (19) tournée vers le bas et vers l~arrière, dont l~extrémité inférieure prend appui contre la face tournée vers l~avant, des branches du ressort (15) en épingle.

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