US Patent 10173085 Carabiner and securing assembly for a safe securing system

A safety restraint system for a person comprising two carabiners configured to receive at least one restraint element, each of the carabiners comprising a hook for receiving the element, a gate comprising a first branch forming a door and a second branch for actuating the door, a first means for locking the gate in a holding configuration. The system further comprising a transmission device connecting the carabiners together, the device arranged to make it impossible to switch from a state in which each of the carabiners is secured to an element to a state in which neither of the carabiners are secured to an element.