Patent Application
20210278154
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The disclosure and prior art relates to conversion devices and more particularly pertains to a new conversion device for converting a gas impingement system of an AR-15 rifle into a gas piston system.
An embodiment of the disclosure meets the needs presented above by generally comprising an upper receiver that is installable into an AR-15 rifle. The upper receiver has a well extending rearwardly in the upper receiver. The well is aligned with a gas tube of the AR-15 rifle when the upper receiver is installed in the AR-15 rifle. A piston is insertable into the well. The piston is in fluid communication with the gas tube when the piston is inserted into the well and the upper receiver is integrated into the AR-15 rifle. The piston is urged rearwardly in the well by pressurized gasses when the AR-15 rifle is fired. Moreover, the piston strikes a bolt mechanism of the AR-15 rifle when the piston is urged rearwardly for cycling the bolt mechanism.
There has thus been outlined, rather broadly, the more important features of the disclosure in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the disclosure that will be described hereinafter and which will form the subject matter of the claims appended hereto.
The objects of the disclosure, along with the various features of novelty which characterize the disclosure, are pointed out with particularity in the claims annexed to and forming a part of this disclosure.
The disclosure will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:
With reference now to the drawings, and in particular to
As best illustrated in
A piston 32 is provided and the piston 32 is insertable into the well 20. The piston 32 is in fluid communication with the gas tube 28 when the piston 32 is inserted into the well 20 and the upper receiver 12 is integrated into the AR-15 rifle 14. The piston 32 is urged rearwardly in the well 20 by pressurized gasses when the AR-15 rifle 14 is fired. Moreover, the piston 32 strikes the bolt mechanism 34 of the AR-15 rifle 14 when the piston 32 is urged rearwardly for cycling the bolt mechanism 34. In this way the gas impingement system of the AR-15 rifle 14 is converted to a gas piston system.
The piston 32 has a front end 36 and a rear end 38, and the front end 36 has a diameter that is greater than a diameter of the rear end 38. In this way the piston 32 is inhibited from passing rearwardly out of the well 20 when the piston 32 is urged rearwardly in the well 20. The front end 36 receives gas pressure from the gas tube 28 when the AR-15 rifle 14 is fired thereby urging the piston 32 rearwardly in the well 20. The rear end 38 strikes the bolt mechanism 34 when the piston 32 is urged rearwardly in the well 20 for cycling the bolt mechanism 34. Additionally, the piston 32 is urged forwardly in the well 20 by the bolt mechanism 34 when the bolt mechanism 34 cycles. In this way the piston 32 is positioned to be subsequently urged rearwardly in the well 20 when the AR-15 rifle 14 is fired again.
In use, the piston 32 is inserted into the well 20 before the upper receiver 12 is installed in the AR-15 rifle 14. In this way the piston 32 is urged rearwardly in the well 20 by pressurized gases from the gas tube 28 when the AR-15 rifle 14 is fired. Thus, the piston 32 strikes the bolt mechanism 34 of the AR-15 rifle 14 for cycling the bolt mechanism 34. The bolt mechanism 34 urges the piston 32 forwardly in the well 20 when the bolt mechanism 34 is cycled. In this way the piston 32 is positioned to be urged rearwardly in the well 20 the next time the AR-15 rifle 14 is fired.
With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of an embodiment enabled by the disclosure, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by an embodiment of the disclosure.
Therefore, the foregoing is considered as illustrative only of the principles of the disclosure. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the disclosure to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the disclosure. In this patent document, the word “comprising” is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article “a” does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be only one of the elements.
