Ammunition transport in a repeating weapon

Details Ammunition transport in a repeating weapon Ammunition transport in a repeating weapon

1996-11-14

1998-06-16

Jordan, Charles T.

Firearms

Breech loading

Sliding breechblock

42 7, 42 22, F41A 300

Patent

active

057653020

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The invention relates to means for ammunition transport in a repeating weapon. It relates, therefore, to all firearms which automatically take cartridges from a supply and feed these to a barrel.


BACKGROUND OF THE INVENTION

As supplies there serve, for example, cartridge belts or magazines. They can be designed as fixed or as changeable components of a weapon. Fixed storages are found, for example, in repeating rifles, changeable supplies, in contrast, are found in rapid-fire weapons, submachine guns, machine guns or the like.
In the loading process the cartridges are transferred individually from the supply into a barrel or into a cartridge chamber or carrier formed on the barrel. For this purpose they are first in a so-called transfer position in the supply. From there they are thrust or drawn by a breechblock over a transition into the cartridge chamber or carrier.
The number of transfer positions is conditioned by the construction type of the supply. If the cartridges are arranged in a row in the supply, as a rule one transfer position will suffice. If, however, the cartridges are arranged in two or more rows, then two or more transfer positions may be appropriate. An important example for this are double-row magazines. Here one stands before the choice of having both rows converge into one, so that one transfer position would suffice, or choosing a construction with two transfer positions. (The last-mentioned construction has the advantage there over the first that in the same space more cartridges can be store or stocked.)
The transfer position(s) are not located, in general, directly behind the barrel or the cartridge carrier. Instead of this they are frequently arranged under the cartridge carrier or laterally displaced thereto. (Such lateral displacements are necessary when several adjacently lying transition (transfer) positions are provided.) As a very general rule, therefore, a cartridge must cover a construction-conditioned intermediate interval between a transfer position and the barrel or the cartridge carrier.
The intermediate intervals are bridged by a corresponding number of transition. Here it is a matter in the case of known repeating weapons of routings on the barrel receptor, on the barrel or generally on fixed components of the weapon. They serve also for the guidance of the cartridge on its respective path. This is expedient, because a cartridge in a transfer position in known supplies is always fixed in some manner. The breechblock, therefore, can engage the cartridge only in one partial area. This alone would not suffice, however, for an exact guidance. Such a guidance, however, is very important in order to avoid jammings and loading obstructions to loading.
The production of such transitions proves to be problematical in practice. One the one hand, they should correspond as accurately as possible to the desired dimensions, in order to ensure a guidance that is secure and insensitive to shocks. One the other hand, they are ordinarily located at least in part in places difficult to access, so that there is only little space for the processing. The desired precision, therefore, is generally not achieved. As compensation or alternatively, for example expensive guide places are used on the magazine.


SUMMARY OF THE INVENTION

Accordingly, it is a general object of the invention to improve such transitions repeating weaponry and the like. The invention achieves this goal, with an automatic weapon with at least one cartridge supply, a barrel and a transition which bridges at least partially the interval or intervals between the cartridge supply and the barrel or a cartridge carrier formed on the barrel. In the loading process, cartridges are transported in a known manner from the supply into the barrel or into the cartridge chamber or carrier, in which process the transition or transitions serve for the guidance of the cartridges. This transition or transitions is/are constructed as, or in at least one, separate transition component.
For each transition, the

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patent: 3177603 (1965-04-01), Gillespie
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