Safety device

Details Safety device Safety device

A - Human Necessities

62

B

A62B 1/10 (2006.01) A62B 1/06 (2006.01) A62B 35/04 (2006.01)

Patent

CA 2110130

A safety device for preventing injuries to a worker as a result of a fall includes a housing which is intended to be mounted at an elevated position where the worker is working and a cable which is adapted to be connected to a harness or belt worn by the worker. The housing includes a spring driven drum therein which normally keeps the cable wound thereon but which allows the same to be withdrawn slowly from the housing as more cable is needed by the worker. A centrifugally operated brake senses an initial quick withdrawal of the cable from the housing which results from the worker falling and stops further withdrawal therefrom to thereby prevent the worker from falling further. A manually operated crank mechanism by the housing allows a fellow worker to raise or lower the fallen worker to safety.

Dispositif de sécurité pour éviter qu'un travailleur se blesse à la suite d'une chute, comprenant un bâti fixé à l'emplacement de travail du travailleur et un câble qui est raccordé à un harnais ou une ceinture portés par le travailleur. Le bâti comprend un tambour de treuil actionné par des ressorts qui garde normalement le câble enroulé, mais qui permet à ce dernier de se dérouler lentement au fur et à mesure que le travailleur a besoin d'une longueur additionnelle de câble. Un frein centrifuge détecte un déroulement initial rapide du câble provoqué par la chute du travailleur et arrête le déroulement du câble pour stopper la chute. Une manivelle à main située près du bâti permet à un compagnon de travail de faire monter ou descendre le travailleur jusqu'en lieu sûr.

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