ES274904A2 - Control device of the organs that constitute the complex shutter, shooting, feeding and similar of a firearm, particularly of a hunting shot, by means of explosion gases (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improvements introduced in the object of the main Patent No. 273.892, deposited on January 13, 1962 by: "Device for controlling the organs that constitute the shutter, firing, feeding and similar complex of a firearm, particularly a firearm. shotgun, by means of explosion gases ", in which said gases are derived from the barrel of the weapon through at least one opening, or intake of gases, and whose device allows to avoid the inconveniences in the operation resulting from the variability of the explosion pressure due to cartridges of different load, characterized in that the mechanisms through which the impulse of the derived gases is carried out comprise a cylinder arranged laterally to the barrel, in which a piston moves equipped with a rigid rod that extends in the direction of the muzzle and protrudes from the bottom of the cylinder, in such a way that the instant impulse action exerted by the gases on the rear face of the piston is transmitted to a complementary sleeve, capable of longitudinal movement in both directions, mounted on the outside of the tube containing the cartridges, and that, when moving forward by the pulse transmitted by the piston rod, loads a spring compressing it against the fixed head of the reservoir tube and pulls in its movement the weapon rod integral with it and intended to transmit, in its return path to the organs constituting the sealing complex and the like of the shotgun, the force necessary for its movement and operation. (Machine-translation by Google Translate, not legally binding)