Patent ID: 8733802

Claim:
A door-locking device comprising: a locking hook having at one end a coupling slot configured to engage a door closure hook and also having a slidable appendix at an opposite end; a slider having at one end a slot configured to receive the appendix therein and also having a seat formed thereunder; a locking pin configured to engage the seat and stop movement of the slider when the slider moves over the pin; a clearance recovery lever; a mechanical coupling configured to connect the locking hook to the lever; and a spring configured to push the mechanical coupling upwardly; wherein said locking hook is rotatably coupled with said mechanical coupling and movable between an opening position, where said locking hook is disengaged from said door closure hook, and a closing position, where said locking hook is engaged with said door closure hook; and wherein said appendix of said locking hook is movable in a direction substantially perpendicular with respect to said slot.