Semitrailor cargo door locking system

Details Semitrailor cargo door locking system Semitrailor cargo door locking system

E - Fixed Constructions

05

B

E05B 65/16 (2006.01) E05B 13/00 (2006.01) E05B 39/02 (2006.01) E05B 67/36 (2006.01) G09F 3/03 (2006.01)

Patent

CA 2392597

A semitrailer cargo door locking system (27) is described for use with a semitrailer cargo door (24) having as part of its opening mechanism a rotatable handle (29) which is secured within a hasp mechanism (33) comprising a rigid lower hasp (37) and a swivelable upper hasp (45). The locking system includes a shackleless keyed lock (59) having an internal bolt (64) for engaging aligned holes (54, 55) provided in the upper and lower hasps (37, 45), thereby preventing unauthorized opening of the cargo doors when in a locked state. The lock housing is provided both with a protective extension (85) to minimize attempts to pry the lock, and with a tapered side wall (89) to prevent removal by the application of a destructive torque applied by a wrench or other like device. The lock is further provided with an anchor line (76) for either permanently or removably securing the lock to the cargo door. To provide the lock with the ability to be used with regulated loads, a means may also be provided to attach a sealing structure (108) to the lock.

L'invention concerne un système de verrouillage de porte de compartiment de semi-remorque (27) utilisé avec une porte de compartiment de semi-remorque (24) comprenant dans son mécanisme d'ouverture une poignée rotative (29) fixée à un mécanisme de moraillon (33) comportant un moraillon inférieur (37) et un moraillon supérieur pivotant (45). Ce système de verrouillage comprend un verrou à clé sans anse (59) pourvu d'un boulon interne (64) destiné à vernir se loger dans des trous alignés (54, 55) ménagés sur les moraillons supérieur et inférieur (37, 45), ce qui empêche l'ouverture non autorisée des portes du compartiment lorsqu'elles se trouvent dans un état fermé. Le boîtier du verrou comprend une extension de protection (85) destinée à dissuader un individu de forcer ce verrou au levier, ainsi qu'une paroi latérale effilée (89) empêchant son enlèvement par application d'un couple destructeur au moyen d'une clé ou d'un autre dispositif de ce type. Ce verrou est également pourvu d'une ligne d'ancrage (76) servant à fixer de manière permanente ou amovible le verrou à la porte du compartiment. Lors du transport de marchandises réglementées, on peut utiliser un dispositif destiné à munir ledit verrou d'une structure de plombage (108).

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