Safety brake and method for unlocking a safety brake

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 5/18 (2006.01) B66B 5/20 (2006.01) B66B 5/22 (2006.01)

Patent

CA 2364336

A safety brake (13) for the load receiving means (2) of a lift comprises a fixing means (14) which is displaceable relative to the load receiving means (2) in the direction of the guide rail (1) between two abutments fastened to the load receiving means (2). The unlocking of the safety brake after a braking process happens in the manner that the load receiving means (2) is moved with the assistance of the drive unit (3) oppositely to the direction of movement present before the braking process, so that one of the abutments fastened to the load receiving means (2) hits against the fixing means (14), which is fixedly seated on the guide rail (1), and unlocks this.

Un frein de sûreté (13) pour les organes de réception de la charge (2) d'un ascenseur comprend un moyen de fixation (14) qui est déplaçable par rapport aux organes de réception de la charge (2) en direction du rail de guidage (1) entre deux butées fixées aux organes de réception de la charge (2). Le déverrouillage du frein de sûreté après un freinage se produit de telle façon que les organes de réception de la charge (2) soient déplacés avec l'aide de l'unité d'entraînement (3) en direction opposée au mouvement en cours avant le freinage, de sorte que l'une des butées attachées aux organes de réception de la charge (2) heurte les organes de fixation (14), qui sont fixés solidairement au rail de guidage (1), et le déverrouille.

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