Firearms – Breech loading – Magazines
Patent
1991-03-28
1992-12-08
Jordan, Charles T.
Firearms
Breech loading
Magazines
F41A 965
Patent
active
051686481
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a magazine for a firearm comprising a housing made substantially of a plastic material for receiving cartridges that can be loaded in a direction toward a discharge opening of the magazine by a device producing a constraining force, and comprising further at least one magazine lip supporting the cartridge in the area of the discharge opening, a part of the magazine lip forming a support and/or a guiding element for the cartridge while the latter is pushed out of the magazine being reinforced by an insert.
A magazine of this type is generally known from DE-OS 35 35 014 which does not, however, provide more information regarding the insert. The insert is said to serve the purpose to protect the magazine, and in particular the magazine lips, from premature wear which in the absence of the insert would be caused by the leading sleeve edge scraping along those parts of the magazine which support the cartridge during the feeding motion of the cartridge, i.e. as the cartridge is pushed out of the magazine. In practice, all inserts of this type provided heretofore were always in the form of punched parts which means that their production is expensive. In the case of one magazine known from U.S. Pat. No. 4,127,954, the delivery end of the magazine is altogether made from metal.
SUMMARY OF THE INVENTION
Now, it is the object of the present invention to provide a magazine of the before-mentioned type which can be produced at lower production cost. The invention achieves this object by the fact that the insert consists of a bent sectional bar, for example a round bar.
One advantage of the invention is seen in the fact that the insert can be produced from a sectional bar of a suitable material with the aid of simple devices, by a simple cutting and bending operation. The mold used for producing the plastic housing of the magazine then has to be changed a little, as compared to the form used heretofore, in order to enable the insert to be fixed in place, in particular to be fixed in a detachable manner, as envisaged by one embodiment of the invention. The sectional bar may, advantageously, consist of a round metal bar, i.e. a wire of a suitable material, preferably steel.
According to one embodiment of the invention, the insert comprises two sections extending substantially parallel one to the other, and a yoke extending substantially transversely thereto. It is an advantage of this arrangement that the insert is particularly easy to produce. The yoke, that may be slightly curved, may serve in this case as the actual guide for the cartridge when the latter is being pushed out, and/or as cartridge support.
According to one embodiment of the invention, the yoke is located at least in part outside a plane extending through the two sections. The advantage of this arrangement is seen in the fact that this insert is particularly well suited for being mounted in the housing in a detachable or undetachable way.
According to one embodiment of the invention, the insert comprises a first section which extends substantially in parallel to the shell of a cartridge stored in the magazine, and in the area of the shell, and which supports the shell against the action of the constraining force, and further a second section arranged in the area of the projectile and extending at an angle relative to the first section. With this arrangement it is possible to support the cartridge completely and to have the leading and the trailing ends of the cartridge supported by the insert as the cartridge is being pushed out.
According to one embodiment of the invention, the second section is spaced a greater distance from the upper end of the magazine than the first section. In the case of this arrangement, the first section provides mainly a supporting action for the constraining force, in particular the force of a follower spring, while the second section serves mainly for changing the direction of the cartridge as the latter is pushed out of the magazine.
According to one embodiment
REFERENCES:
patent: 3383790 (1968-05-01), Into
patent: 3516189 (1970-06-01), Lewis et al.
patent: 3732643 (1973-05-01), Wells
patent: 4127954 (1978-12-01), Hausmann
patent: 4888900 (1989-12-01), Howard
Brandl Rudolf
Danner Helmut
Hackler Walter A.
Heckler & Koch GmbH
Jordan Charles T.
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