Abstract: An automatic safety device for the firing hammer of revolvers, which includes a safety bolt (22) arranged within the profile of the firing hammer, contained and sliding in a cavity (21) which is provided in the firing hammer proper, connected to the trigger in response to the movements of the firing hammer and of the trigger between an inactive position of noninterference with the movement of the firing hammer from the arming position to the position of percussion, and an active position of stopping the firing hammer to inhibit its percussion action.

Abstract: A device for automatically putting revolvers on safety is provided. The device includes a trigger (16) in a mounting position and a percussion or firing position for the control of the hammer. The hammer is stressed by a release spring (15). A spring-loaded (22) safety piston (20) is arranged between the hammer (14) and the stock (11) of the gun, and is intended for spacing the hammer with the firing pin in the case of a percussion, automatically placing it in a neutral position, after each firing action and with the trigger released.