Safety hook for patient lift

A - Human Necessities – 61 – G

Patent

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Details

A61G 7/10 (2006.01) B66C 1/36 (2006.01) F16B 45/02 (2006.01)

Patent

CA 2514268

The invention relates to a safety hook for mounting on the extremity of a spreader bar (1) of a patient lift. The safety hook comprises a base member (5) that is connected to or integral with the spreader bar (1). A load-bearing hook member (2) is pivotally suspended from the base member (5) to allow the hook member (2) to move in the plane of the hook member (2) between an open position and a closed position in which the free end of the hook member (2) engages the base member (5) at an engagement point (15). The hook member (2) is shaped such that it is urged to the closed position when a downward load is applied to it, and that it is urged to the open position when an upward load is applied to it. Retaining means keep the hook member (2) in both the open position and in the closed position unless a substantial force is applied to the hook member.

La présente invention concerne un crochet de sécurité destiné à être monté sur l'extrémité d'une barre d'écartement (1) d'un soulève-malade. Le crochet de sécurité comprend un élément de base (5) qui est connecté à la barre d'écartement (1) ou solidaire de celle-ci. Un élément de crochet de support de charge (2) est suspendu à l'élément de base (5) de façon à pouvoir pivoter, pour permettre à l'élément de crochet (2) de se déplacer dans le plan de l'élément de crochet (2) entre une position d'ouverture et une position de fermeture dans laquelle l'extrémité libre de l'élément de crochet (2) s'encliquette avec l'élément de base (5) en un point d'encliquetage (15). L'élément de crochet (2) a une forme qui tend à le faire passer en position de fermeture lorsqu'une charge descendante lui est appliquée, et qui tend à le faire passer en position d'ouverture lorsqu'une charge ascendante lui est appliquée. Des éléments de retenue maintiennent l'élément de crochet (2) à la fois en position d'ouverture et en position de fermeture jusqu'à ce qu'une force substantielle soit appliquée à l'élément de crochet.

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