This application claims priority to U.S. patent application Ser. No. 15/716,246, entitled Ammunition Feeding Device Lock, filed Sep. 26, 2017, and U.S. patent application Ser. No. 15/703,793, entitled Centerfire Rifle Detachable Magazine Release filed Sep. 13, 2017, the contents of which are incorporated by reference.
Not Applicable
The present invention is in the technical field of firearms. More particularly, the present invention is in the technical field of ammunition feeding device retention. More particularly still, the present invention is in the field of firearm retention devices that lock or arrest the movement of an ammunition feeding device until the firearm action is disassembled.
Semi-automatic firearms have been known for a long time. The first semi-automatic rifle was introduced in 1885. The M-16 automatic rifle was designed in 1956 and has been used by the military from 1964. A civilian version of the M-16 is known as the AR-15, the AR-15 moniker recognizes the first manufacturer of this style of rifle and is generally used to reference all rifles of this style. Most AR-15 rifles are semi-automatic centerfire rifles. The AR-15, and substantially similar variants manufactured by numerous companies, has been manufactured and sold to civilians for many years.
The ammunition feeding device of an AR-15 style rifle, commonly referred to as a magazine, is used to house ammunition fired by an AR-15 style rifle. The magazine is typically held in an AR-15 style rifle by means of a magazine catch. The magazine is retained in an AR-15 style rifle by the catch until a button is depressed, which releases the magazine.
In recent years there have been many new laws and regulations that apply to the civilian owned AR-15 style rifles. There have also been laws written specifically to address the loading and unloading of an ammunition feeding device or magazine, into an AR-15 style rifle. One such law specific to the loading and unloading of a magazine has called for the disassembly of the firearm action of an AR-15 style rifle before one may release a magazine retained in the AR-15 style rifle. The law describes the process of releasing a magazine by means of removal of the rear takedown pin, thereby allowing the upper receiver to be lifted upwards and away from the lower receiver using the front takedown pin as the fulcrum, thus disassembling the firing mechanism, before the magazine may be removed.
The institution of this and other laws has created an increased need for separation of the two halves of a firearm, by means of pivoting about the front takedown pin. This law has created the necessity for a device that restricts the removal of a magazine until the firearm action has been disabled by virtue of the separation of the upper and lower receivers. The present invention is intended to increase ease and efficiency of removing a magazine while being compatible with all variants of the AR-15 style rifle. As gun-related laws continue to constrain gun use it is expected that this invention will become increasingly valuable as it becomes an even more important part of a gun enthusiast's approach to keeping his/her guns legal.
The present embodiments function is to restrict the removal of a magazine until the action of a firearm is disassembled. Upon disassembly the magazine will become free from the AR-15 style rifle automatically. This process is different from the device described in U.S. Pat. No. 8,756,845 by C. Harris, which describes a method of restricting the removal of a magazine until the action of an AR-15 style rifle is disassembled and a button is depressed. This alternate approach is difficult, cumbersome and does not fit on all AR-15 style rifles. The present embodiment is unique, being designed to automatically release a magazine the moment when the action is disassembled, as well as being designed to fit more variants of AR-15 style rifles by keeping its assembly clear of typical variations in AR-15 style rifle designs.
The present embodiment is held in place by means of a block fastener passing through an oval block and attached to an anchor. The anchor is fixed on the lower receiver. The main body is then attached to the anchor with an anchor pin. The main body pivots about the anchor pin and is sprung by means of a main body spring, which is retained in the main body spring cavity. The main body moves toward or away from the center mass of the weapon when the upper half of the weapon is moved away from the arresting face. This main body has a catch attached that is retained in the main body with a catch pin. The catch pivots about the catch pin, being held in sprung position by the catch spring and catch fastener.
While the aforementioned embodiment is considered a preferred embodiment, an alternate embodiment could consist of differing lengths of the main body with an arresting face, catch and catch fastener, and additional embodiments are contemplated that do not deviate from the central inventive step described in this application.
Another alternate embodiment may be created removing the spring between the anchor and main body and placing that spring on the catch between the lower receiver and the catch, using the sprung catch to push the catch and main body. One could also easily adapt this into alternate embodiments in order to fit on other weapon systems such as AR-10, Armalite, AERO, Bull Pup and other variants that can have their action disassembled in a similar way. These alternate embodiments are incorporated into this application and are considered part hereof.
The present embodiment is an ammunition feeding device lock comprising a plug, block fastener, oval block, catch pin, anchor pin, anchor, main body, main body spring, catch, catch spring, and catch fastener. The present embodiments assembly replaces a standard magazine catch or bullet-button on a rifle similar to an AR-15 style rifle. The present embodiment allows for the automatic release of a magazine after the upper and lower receivers are separated.
The present embodiment is intended to be placed in the slot where a standard magazine catch would rest, held in place by an oval block and block fastener on the opposite side of the rifle. The head of the block fastener can be permanently covered by a plug. The embodiment would be in the closed, or fixed magazine, position, when the upper and lower receiver is closed. When the upper and lower receivers are closed the main body's arresting face contacts the upper receiver, which holds the present embodiment it in the closed position. In the closed position, a magazine can be fed into an AR-15 style rifle, and held, because the catch is sprung. The sprung catch will move away, pivoting about the catch pin, when forced on by an inserted magazine. When the magazine is fully inserted and aligned with the catch, the sprung catch will then retain the magazine, all while the main body is in the closed position.
The present embodiment would be in the open position, and have freely released a magazine from an AR-15 style rifle when the upper receiver and lower receiver are separated, allowing the arresting face to be free of the obstruction caused by the upper receiver, and allow the main body to pivot about the anchor pin automatically due to the energy released by the main body spring. When the main body pivots about the anchor pin; the catch, catch spring, catch pin and catch fastener move together with the main body, moving away from a magazine housed in an AR-15 style rifle, allowing the magazine to be free automatically when the two halves are separated.
The present embodiment is moved from the open position back to the closed position by means of closing the upper and lower receiver together. The upper receiver, when motioning closed, comes in contact with the sloped surface on the main body. As the upper receiver moves closed due to the pressure of the upper receiver on the sloped surface on the main body, this causes the main body to pivot about the anchor pin, away from the upper receiver until the arresting face and the face of the upper receiver are parallel and at rest in contact with one another.
There has thus been outlined, rather broadly, the more important features of the invention in order that the detailed description thereof may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter and which will form the subject matter of the claims appended hereto. The features listed herein and other features, aspects and advantages of the present invention will become better understood with reference to the following description and appended claims. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
It should be understood the while the preferred embodiments of the invention are described in some detail herein, the present disclosure is made by way of example only and that variations and changes thereto are possible without departing from the subject matter falling within the scope of the following claims, and a reasonable equivalency thereof, which claims I regard as my invention.
The present embodiment, which is a preferred embodiment, will now be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the present embodiment. It will be apparent, however, to one skilled in the art, that embodiments may be practiced without some or all of these specific details. In other instances, well known process steps and/or structures have not been described in detail in order to not unnecessarily obscure the present embodiment. The features and advantages of embodiments may be better understood with reference to the drawings and discussions that follow.
Many aspects of the invention can be better understood with references made to the drawings below. The components in the drawings are not necessarily drawn to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, individuals reference numbers designate the same part or feature through the several views in the drawings. Before explaining at least one embodiment of the invention, it is to be understood that the embodiments of the invention are not limited in their application to the details of construction and to the arrangement of the components set forth in the following description or illustrated in the drawings. The embodiments of the invention are capable of being practiced and carried out in various ways. In addition, the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.
Since the basic firearm is of a well-known type, only those parts of the firearm essential to an understanding of the present embodiment will be described in detail. Although the present embodiment will be described with reference to the exemplary embodiments shown in the drawings, it should be understood that the present embodiment can be embodied in many alternate forms or embodiments. In addition, any suitable size, shape or type of elements or materials could be used. Indeed, any device that pivots about a rod could benefit from this technology.
The present embodiment is an ammunition feeding device lock, comprising of a plug, block fastener, oval block, catch pin, anchor pin, anchor, main body, main body spring, catch, catch spring, and catch fastener. The present embodiments assembly replaces a standard magazine catch or bullet-button on a rifle similar to an AR-15 style rifle. The present embodiment allows for the automatic release of a magazine after the upper and lower receivers are separated. The present embodiment is intended to be placed in the same slot as the standard magazine catch, replacing a standard magazine catch for an AR-15 style rifle.
The present embodiment has an anchor, fastened to the lower receiver by means of a block fastener, which passes through an oval block. That anchor has a main body attached with an anchor pin, about which the main body pivots. There is a spring captured between the anchor spring retainer and the main body spring cavity. The main body spring forces the main body to open the assembly until it is limited by the anchor stop face. The main body captures a catch, retained by the catch pin. The catch pivots about the catch pin. The distance between the magazine catch face and the main body is adjustable by means of rotating the catch fastener, which is threaded into the catch tapped hole, clockwise or counterclockwise. The distance is maintained by the catch spring, which keeps tension between the main body and catch. To prevent tampering with the block fastener, a plug can be pressed into the oval block.
The present embodiment is in the closed position when the upper and lower receiver of an AR-15 style rifle are close together, and the arresting face of the main body is resting on the upper receiver. In the closed position, the present embodiment may have a magazine inserted and locked in place by inserting the magazine into the magazine well, the magazine will come into contact with the catch, pushing the catch back toward the main body, until the magazine catch slot is aligned with the catch, then the tension from the catch spring will force the catch to fall into the magazine catch slot, locking the magazine in place. The magazine cannot be released without the main body pivoting about the anchor pin, moving the catch away from the magazine.
The present embodiment is moved to the open position by separating the upper and lower receiver, which then moves the upper receiver clear of the arresting face, allowing the main body spring to pivot the main body about the anchor pin. When the main body pivots about the anchor pin in this fashion, the catch moves with the main body, away from the magazine well, automatically releasing the magazine housed in the magazine well.
The present embodiment is moved from the open position back to the closed position by closing together the upper and lower receiver of an AR-15 style rifle. As the upper receiver closes, it makes contact with the sloped face, causing the main body to move out of the path the upper receiver until the arresting face of the main body comes to rest on the upper receiver. he assembly will now be in the closed position.
The present embodiment is assembled by inserting the main body spring 10 into the spring cavity 21, then insert the anchor 6 into the main body 8, aligning the anchor pin hole 15 with the main body anchor pin holes 17 while retaining the main body spring 10 with the spring retainer 24, then pressing the anchor pin 5 into the anchor 6 and main body anchor pin holes 17 to retain the anchor 6 in the main body 8. The catch 11 is then inserted into the main body 8 and the catch pin hole 14 and main body catch pin holes 16 are aligned, then insert the catch pin 7 into the main body catch pin holes 16 and catch pin hole 14 to retain the catch 11 in the main body 8. The catch spring 12 is then aligned between the catch tapped hole 38 and the main body slotted hole 20 and the catch fastener 13 partially passes through the main body slotted hole 20, passes completely through catch spring 12, and then screwed into the catch tapped hole 38, retaining the catch spring 12 and fixing the distance between the main body 8 and the magazine catch face 22. The oval block 4 is placed in the AR-15 style rifle magazine release button hole. The oval block throughhole 18 is then aligned with the anchor tapped hole 25 and the block fastener 3 can now partially pass through the oval block throughhole 18 and thread into the anchor tapped hole 25 until tight, fixing the assembly onto an AR-15 style rifle. The plug 2 can now be pressed into the plug hole 26 if the user wishes to prevent tampering.
The present embodiment locks a magazine in the magazine well when an AR-15 style rifle upper and lower receivers are closed together. When an AR-15 style rifle's upper and lower receivers are closed, the present embodiment will allow a magazine to be loaded into the firearm. When a magazine is loaded with the present embodiment in the closed position the magazine is fixed in the magazine well. In order to release a magazine that is retained in an AR-15 style rifle by the present embodiment, the upper and lower receivers of an AR-15 style rifle must be separated. The instant the upper and lower receivers of an AR-15 style rifle are separated, the magazine is automatically released. The present embodiment is returned to the closed position when an AR-15 style upper receiver is closed onto the lower receiver.
In the closed position, a magazine will be held into an AR-15 style rifle because the catch is sprung by the catch spring. The sprung catch will move away, pivoting about the catch pin, when forced by an inserted magazine. When the magazine is fully aligned with the catch, the sprung catch will then fall into the magazine catch slot, and will be retained, all while the main body is in the closed position.
All of the material in this patent document is subject to copyright protection under the copyright laws of the United States and other countries. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in official governmental records but, otherwise, all other copyright rights whatsoever are reserved. While the foregoing written description of the embodiment enables one of ordinary skill to make and use what is considered presently to be the best mode thereof, those of ordinary skill will understand and appreciate the existence of variations, combinations, and equivalents of the specific embodiment, method, and examples herein. The embodiment should, therefore, not be limited by the above described embodiment, method, and examples, but by all embodiments and methods within the scope and spirit of the embodiment.
Referring now to
When the pin is in the locked position the main pin prevents the catch C from pivoting towards the main body C by stopping the catch C on its spring pocket surface making contact with the now fixed and locked main pin.
Advantages
The advantages of the present embodiment include, without limitation, the easy installation of a fixed magazine lock and release device which fits almost all configurations of an AR-15 style rifle.
The present embodiment is also advantageous to those looking to have an easier way to reload, by automatically releasing a magazine. The present embodiment is an improvement on typical methods which require the depression of a button to release a magazine.
The present embodiment is also advantageous to those looking to become compliant with their state laws by means of having a fixed magazine locking device that can only be released when the upper and lower receivers are separated, thus disassembling the firearm action.
The advantages of the alternate embodiment C is that the main pin can be locked. Locking the main pin prevents the catch C form pivoting inward toward the main body C. Preventing this motion will ensure that any magazine held by the catch C will not unintentionally come free by means of overpowering the spring tension holding it in place and pivoting inward.
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Number | Date | Country | |
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20190078850 A1 | Mar 2019 | US |
Number | Date | Country | |
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Parent | 15716246 | Sep 2017 | US |
Child | 16047890 | US | |
Parent | 15703793 | Sep 2017 | US |
Child | 15716246 | US |