Patent Application
20190118325
Some pistols have polymer frames. Polymer frames can be manufactured using an injection molding process and often include embedded steel inserts to provide the frame with rigidity. Polymer frames may also include steel inserts that interface with other steel components, such as the slide or the barrel. Other components, such as trigger components, a magazine release, and slide locks can also be integrated with a polymer frame.
Many aspects of the disclosure can be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present disclosure. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.
The present disclosure relates to various methods of manufacturing pistol frames. In accordance with various embodiments of the present disclosure, a left frame portion and a separate right frame portion of a pistol frame can be fabricated. One or more recesses can be created in the left pistol frame portion and/or the right pistol frame portion so that, when the left and right pistol frame portions are joined together, the left pistol frame portion and right pistol frame portion form one or more internal cavities. The cavities can be designed to accommodate various functional components, such as components for a trigger block, slide stop, trigger housing, magazine release and/or magazine well.
Fabricating the left frame portion separately from the right frame portion can facilitate the manufacturing of metallic pistol frames. That is, while polymer pistol frames having various cavities may be manufactured using injection molding techniques, it can be extremely difficult, or impossible, to form similar cavities when fabricating a pistol frame from a single piece of metal. Accordingly, embodiments of the present disclosure can facilitate manufacturing of pistol frames, including metallic pistol frames, that have internal cavities.
With reference to
The pistol frame 100 can be constructed of various types of materials. In some embodiments, the pistol frame 100 can be a metallic pistol frame constructed from ferrous and/or non-ferrous metals. For example, the pistol frame 100 can be constructed of stainless steel, aluminum, titanium, and/or other types of metals.
As best shown in
The interior of the pistol frame 100 can include one or more cavities, which can be designed to accommodate various functional components. For example, the pistol frame 100 can include one or more cavities for a trigger block, a slide stop, a trigger housing, a magazine release, a magazine, and/or other components.
With reference to
In the embodiment illustrated in
As described above, the pistol frame 100 may include one or more cavities for various components. To form a cavity, a recess can be created in the interior surface 203 of the left pistol frame portion 103 using, for example, a CNC system. For some cavities, there can be a corresponding recess formed in the right pistol frame portion 106. Accordingly, when the left pistol frame portion 103 is joined to the right pistol frame portion 106, a recess in the left pistol frame portion 103 and a corresponding recess in the right pistol frame portion 106 can align and form a cavity. The walls of the respective recesses in the left pistol frame portion 103 and the right pistol frame portion 106 can thus be considered cavity walls.
With reference to
In the embodiment illustrated in
An example of a recess 306 in the right pistol frame portion 106 is visible in
Once the left pistol frame portion 103 and the right pistol frame portion 106 have been fabricated, the left pistol frame portion 103 and the right pistol frame portion 106 can be assembled to form the pistol frame 100. For example, the left pistol frame portion 103 can be attached directly or indirectly to the left pistol frame portion 103 by welding the components together. In alternative embodiments, the left pistol frame portion 103 and the right pistol frame portion 106 can be attached using rivets, screws, or other techniques. It is noted that, in some embodiments, various internal components can be placed within appropriate recesses in the left pistol frame portion 103 and/or right pistol frame portion 106 prior to these components being attached to each other.
In some embodiments, the pistol frame 100 can be a metallic pistol frame 100 that is compatible with components designed for preexisting pistols that have polymer pistol frames. For example, the pistol frame 100 can be a metallic frame that is compatible with components, such as trigger components, magazine releases, slide locks, and barrel assemblies, that were designed for use with polymer pistol frames, such as those available from GLOCK, SMITH & WESSON, TAURUS, SIG SAUER, HECKLER & KOCK, RUGER, SPRINGFIELD ARMORY, BERETTA, WALTHER, FN HERSTAL, and others. Accordingly, a preexisting pistol having a polymer frame can be retrofitted to have a metallic pistol frame 100 using the manufacturing techniques as described herein. Moreover, a metallic pistol frame 100 can be manufactured and use readily-available parts, such as such as trigger components, magazine releases, slide locks, and barrel assemblies, that were designed for polymer pistol frames.
To create a metal pistol frame 100 that can use components designed for a preexisting pistol having a polymer frame, the preexisting pistol can be disassembled, and the dimensions of its internal cavities, recesses, and other features can be measured. A computer aided design (CAD) model of a metal left pistol frame portion 103 and a metal right pistol frame portion 106 can then be designed based around the measured dimensions of the polymer pistol.
While particular embodiments of the present disclosure have been described in detail in the foregoing description and figures for purposes of example, those skilled in the art will understand that variations and modifications may be made without departing from the scope of the disclosure. All such variations and modifications are intended to be included within the scope of the present disclosure, as protected by the following claims.
