New automatic device for the liberation of guardian dogs (Machine-translation by Google Translate, not legally binding)

摘要

New automatic device for the release of guard dogs, of the type comprising an emitter acting on a receiver electrically linked to a servomechanism that acts under traction, located inside a register box placed next to the dog, whose servomechanism drives a shaft that holds a cable, which at its other end is attached by means of fittings to a carabiner, leaving the head of the cable located inside the mobile support of the trigger and provided with a pin that tends to remain in its rest position due to the tension of a spring, the movement of the pin being guided by slots slides of the support, whereby when the movement of the pin occurs, when the device is actuated, the unlocking of the trigger takes place and a ring that is attached to the dog's strap is released., which is loose, characterized essentially because the fixed part of the carabiner assembly has a semicircular throat in which e is housed the ring attached to the collar of the dog, and whose throat has an inclined plane through which slides the aforesaid ring to the outside, when the moving part is retracted towards its opening position, in cooperation with the traction effort performed at that time the animal, the dog being released, subsequently producing the action of a spring. (Machine-translation by Google Translate, not legally binding)