Safety apparatus

E - Fixed Constructions – 04 – G

Patent

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Details

E04G 21/32 (2006.01)

Patent

CA 2607843

A safety apparatus (11) comprising a first housing (25) supporting a first spool (17) and a second spool (21) coaxially mounted and independently rotatable. The safety apparatus (11) also comprises a support line (29) extending from the first spool (17) to the second spool (21) via a second support assembly (27). The safety apparatus (11) also comprises a locking device (35) operably movable between a locked condition wherein the first spool (17) and second spool (21) are locked relative to each other and a released condition wherein the first spool (17) and second spool (21) may rotate independently. The locking device (11) is maintained in a locked condition, locking the first spool (17) relative to the second spool (21), when a load of predetermined value, such as the weight of a fallen operator, is exerted upon the support line (29).

Selon la présente invention, un appareil de sécurité (11) comprend un premier logement (25) soutenant une première bobine (17) et une seconde bobine (21) montées coaxialement et tournant de façon indépendante. Ledit appareil de sécurité (11) comporte également une ligne de support (29) s'étendant de la première bobine (17) à la seconde bobine (21) via un second ensemble de support (27). Cet appareil de sécurité (11) comporte aussi un dispositif de verrouillage (35) qui se déplace fonctionnellement entre un état fermé, auquel les première (17) et seconde (21) bobines sont bloquées l'une par rapport à l'autre et un état déverrouillé auquel les première (17) et seconde (21) bobines peuvent tourner indépendamment. Le dispositif de verrouillage (11) est maintenu dans un état fermé, ce qui permet de bloquer la première bobine (17) par rapport à la seconde bobine (21), lorsqu'une charge d'une valeur prédéterminée, telle que le poids d'un opérateur qui est tombé, est exercée sur la ligne de support (29).

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