Fifth-wheel coupling

Details Fifth-wheel coupling Fifth-wheel coupling

B - Operations, Transporting

62

D

B62D 53/10 (2006.01) B60R 25/00 (2006.01)

Patent

CA 2718874

The invention describes a fifth-wheel coupling (1) having a fifth-wheel coupling plate (2) on which is arranged an entry opening (4) for a king pin (5). Provision is made of an at least single-part locking device (100) for fastening the king pin (5) and of a fixing element which engages on the locking device, which fixing element can be moved from a locking position into an open position and vice versa. In addition to the locking system, a securing device (15) with a blocking element (40, 400) is provided, which blocking element (40, 400) can be moved from a rest position into a blocking position and vice versa, wherein the blocking element (40, 400) projects into the entry opening (4) at least in the blocking position.

L'invention concerne une sellette d'attelage (1) comprenant une plaque de sellette d'attelage (2) sur laquelle se trouve une ouverture d'entrée (4) pour un pivot central (5). Il existe un dispositif de fermeture (100) constitué d'au moins une partie pour l'amarrage du pivot central (5) et un élément de fixation qui vient en prise sur le dispositif de fermeture, lequel peut être déplacé d'une position fermée en une position ouverte et inversement. En plus du système de fermeture, il existe un dispositif de sécurité (15) comprenant un élément de blocage (40, 400) qui peut être déplacé d'une position de repos en une position de blocage et inversement. Selon l'invention, l'élément de blocage (40, 400) fait saillie dans l'ouverture d'entrée (4) au moins lorsqu'il se trouve en position de blocage.

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