Safety Securing Device and Securing Assembly Comprising Such a Device

A safety securing device comprising two carabiners intended to receive a securing element, each of said carabiners comprising:

• a hook provided with an opening for introducing said securing element,
• a detection means arranged to be able to be activated in detection by introducing said securing element into said hook,
• a door for closing said opening, said door having an open position for receiving said securing element in said hook and a closed position for holding said securing element in said hook,
• a means for locking said door coupled to a constraint means arranged to activate said locking means when said door is closed, and
• said carabiners being connected together by transmission means connecting the detection means which detect a first one of said carabiners to the locking means for locking a second one or said carabiners, said transmission means being arranged so that activation of the detection means, causes deactivation of the locking means.