HAND-GUN WITH MOVING CARTRIDGE CHAMBER MAGAZINE

Abstract: In a hand-gun comprising a grip (3), a barrel (1), a cartridge magazine pushable into a slide inside the grip (3), a magazine lifting device (6) and a firing device (8, 9), the cartridge magazine is made out as a moving cartridge chamber magazine (4) comprising at least two cartridge chambers (7), said cartridge chamber magazine (4) being movable step-by-step upwards along the slide inside the grip (3) by means of the magazine lifting device (6).

Description: Description HAND-GUN WITH MOVING CARTRIDGE CHAMBER MAGAZINE Field of the Invention The invention relates to hand-guns, in particular a small-sized, pistol-like self-defense hand-gun ith moving cartridge chamber magazine. Description of the Prior Art Hand-guns can basically be divided into two main groups of well known structures, namely to the revolving and the repeating, i.e. self-loading hand-guns. Irrespec¬ tive of their caliber and muzzle energy, revolving hand- -guns ' are always stiffly locked mechanisms,whereas the self-loading hand-guns may have stiffly locked structures or be locked by the mass force of a weight lock. Hand-gun is used here as a common name for pistols and revolvers. Locking means here the support of the bottom of the case in the moment of firing. In revolving magazine systems, the cartridges are stored in a cylindric magazine compri¬ sing cartridge chambers and, in order to fire them, they are brought into the center line of the barrel by rotating the cylinder. The gun is divided in longitudinal direction into three parts, the barrel, the revolving magazine and the grip, thus these kind of weapons are relatively long. However, their structure is simple. Self loading hand-guns, on the other hand, have only two main parts of longitudinal dimension, the barrel and the grip. The cartridges are stored in a magazine arranged in the grip. The cartridges are loaded into the center line of the barrel of the gun by means of spring force. Such kind of weapons have a forward and backward moving slide part which also provides reloading. Self-loading hand-guns are usuallv slimmer, shorter and they have more shots than the revolving magazine type hand-weapons, ho ¬ wever, their structure is more complicated. While types of hand-guns are used by military and police personnel as service hand-weapon, among the small, so called self-defense pocket-guns the selfloading type is more common, due to its smaller size. The small size pocket- -guns, like e.g. the types FN "Baby", Zbrojovka, Zetka "Duo" and others have a lengts of 100-120 mm, height of 70-90 mm, width of 20-25 mm, caliber of 6.35 mm, while their muzzle energy does not exceed 60 to 100 Nm and, in order to keep their size small, their locking mechanism is of the weight lock type. It would be desirable to increase the caliber and muzzle energy of self-defense hand-(packet-)guns signifi¬ cantly, while retaining their small size. This is, howe¬ ver, with the presently known structures impossible. Summary of the Invention The object of this invention is to provide a means to increase the caliber of hand-guns up to even 11.4 mm, and their muzzle energy up to even 250 Nm, i.e. the usual dimension and muzzle energy of military and police service weapons, while retaining the small size of the pocket-guns The hand-gun according to the invention is similar to the known hand-guns in that it also has a barrel, a grip and a firing mechanism. The essential difference between the invention and the prior art consists in the way of storing and loading of the ammunition into the cartridge chamber .According to the invention the ammunition is stored in such a moving magazine which also comprises the cartridge chambers. The moving cartridge chamber ma¬ gazine is arranged and guided within the grip slide so, that the cartridge chambers can be moved straight towards the bore axis of the gun barrel. After each shot, before effecting the next firing, the cartridge chambers with the loaded cartridges are moved by means of a magazine lifting device actuated by the user, so that, the next cartridge arrives at aligned position with the bore axis of the barrel. Thus the moving cartridge chamber magazine will be protruded upwards from the grip after each shot. Conveniently, the moving cartridge chamber magazine can be made as a single compact piece, or it may consist of as many independent elements joined together, as many cartridge chambers it contains. In the latter case the cartridge chamber magazine elements are provided with joints, e.g. dovetail joints, which ensures the common movement of the elements within the grip. Having come out from the grip after each lifting of the magazine, the top cartridge chamber element- carrying no ammunition - gets free from the rest of magazine elements and drops out of the grip. Brief Description of the Drawings The invention will be described hereinafter with reference to the accompanying drawings,in which Fig. 1 shows the longitudinal section of a preferred embodiment of the hand-gun according to the in¬ vention ; Fig. 2 shows the longitudinal section of a part of the moving cartridge chamber magazine of a futher embodiment. Detailed Description of the Preferred Embodiments In Fig. 1 a moving cartridge chamber magazine 4 comprising four cartridge chambers 7 is made as a single compact piece in which the cartridge chambers 7 are formed. The moving cartridge chamber magazine 4 is arranged and guided straight upwards in a slide formed inside a grip 3. A gun barrel 1 and a magazine lifting device 6 are installed into the front part of the grip 3, while a firing device comprising spring 8 and hammer 9 is arranged at its rear end. Fig. 2 shows another embodiment of the invention . wherein each cartridge chamber 7 is worked out as an independent cartridge chamber element 5, and the cartridge chamber elements 5 are joined together inside the grip 3 by means of loose/releasable surface-joints , e.g. by dovetail joints 10. The releasable joints are supported inside the grip by guiding supports of the slide. The joined elements 5 constitute a moving cartridge chamber magazine. The joints between adjacent cartridge chamber elements 5 can be released when at least one of the adja¬ cent elements 5 is moved out from the grip 3. The moving cartridge chamber magazine 4 with ammu- nitior, loaded into the cartridge chamber 7 should be inserted into the slide of the grip 3. The moving cartridge chamber magazine 4 inserted into the grip 3 can be put into linear motion by means of a magazine lifting device 6, whereby the cartridge chamber 7 together with the loaded cartridge is positioned co-linear with bore axis 2 of the gun barrel 1. In this position, the firing can be triggered by the firing device 8, 9. In order to make ready the gun for the next shot, the magazine lifting device 6 should be released into its home position and then, by pulling the trigger 61 of the magazine lifting device 6 towards the grip 3, the next cartridge chamber 7 can be lifted into firing position, aligned with the bore axis 2 of the barrel 1. In this firing position of the top cartridge the next shot can be fired off bv t . means of the firing device 8, 9. In a preferred embodiment,e.g ., a ratchet-and-wheel type coπnect- ion between the magazine lifting device 6 and the moving cartridge chamber magazine 4 may ensure that the magazine lifting device 6 provides upward movement, but by-passes in the opposite direction. Through every single operation of the magazine lifting device 6, the moving cartridge chamber magazine 4 is lifted outward of the grip 3 by height one cartridge chamber 7 upwards. The cartridge chamber elements 5 joined together by the dovetail joints 10 constituting a cartridge chamber magazine are moved by the magazine lifting device 6 as if they were a compact one-piece magazine. However, in course of subsequent shots, the cartridge chamber elements 5 which have come out of the grip 3 will fall off, since the guiding supports of the slide inside the grip 3 does not locate them anymore. Accordingly , in case of this latter embodiment not only the used cartridge (case) but also the corresponding cartridge chamber element will be discarded. An essential advantage of the invention, compared with otherknown structures, is that it combines the simple structure of hand-guns with cylindric cartridge chamber magazines and their simple principle of locking,with the disposition of the ammunition in the grip of the self-loading hand-guns, and due to this small, pocket- -sized multi-shot hand-guns with the power of larger service hand-weapons can be realized. A further advant¬ age is, that, due to the suggested simple structure, the manufacturing is easy, the costs of production are rela¬ tively low.

Claims: WHAT IS CLAIMED IS: 1. A hand-gun with moving cartridge chamber magazine, comprising a grip, a barrel connected to the front upper part of the grip, a cartridge magazine pushable into a slide inside the grip to receive cartridges, and a firing device at the rear part of the grip, c h a r a z t e r i z e d i n t h a t the cartridge magazine is a moving cartridge chamber magazine (4) comprising at least two cartridge chambers (7) joined rigidly together, and a magazine lifting device (6) connected to the grip (3), by means of which the cartridge chamber magazine (4) can be moved step-by-step upwards along the slide inside the grip (3) . 2. A hand-gun as claimed in claim 1, c h a r a c t e r i z e d i n t h a t the moving cartridge chamber magazine is built up of individual cartridge chamber elements (5) joined together so that they can be moved along the slide inside the grip (3) as a single compact cartridge chamber magazine, each cartridge chamber element (5) comprising a single cartridge chamber (7). 3. A hand-gun as claimed is claim 2, c h a r a c t e r i z e d i n t h a t the adjacent cartridge chamber elements (5) are joined to each other by releasable surface joints, said joints being supported by guiding supports of the slide.

Inventors: BREINER SANDOR, BREINER, SANDOR
Applicants: BREINER SANDOR, BREINER, SANDOR
Application year: 1990
Main classification: F41A9
IPC codes: F41A9