[특허]Magazine shell of a universal magazine of multiple caliber compatibility for firearms

Zheng, Jing

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특허 상세정보

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Magazine shell of a universal magazine of multiple caliber compatibility for firearms

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F41A-009/70 F41A-009/71
출원번호	US-0474271 (2014-09-01)
등록번호	US-9372040 (2016-06-21)
발명자 / 주소	Zheng, Jing
출원인 / 주소	Zheng, Jing
대리인 / 주소	Han IP Corporation
인용정보	피인용 횟수 : 1 인용 특허 : 5

초록
▼

Various embodiments of a magazine for a firearm are described. In one aspect, a magazine for a firearm may include a magazine shell having a first end, a second end opposite the first end, and a plurality of sidewalls between the first end and the second end. The first end may have an opening and may be configured to attach to the firearm. The second end may include a bottom plate. At least a first primary sidewall of the sidewalls may include a deformable concave area that caves inward with respect to the magazine shell such that the concave area bulges outward with respect to the magazine shell to accommodate one or more ammunition cartridges with of a first caliber and that the concave area does not bulge outward to accommodate one or more ammunition cartridges of a second caliber smaller than the first caliber.

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청구항
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1. A magazine for a firearm, comprising: a magazine shell having a first end, a second end opposite the first end, and a plurality of sidewalls between the first end and the second end, the first end having an opening and configured to attach to the firearm, the second end comprising a bottom plate, at least a first primary sidewall of the sidewalls comprising at least one vertical reinforcement groove each of which extending along a longitudinal direction of the magazine shell; anda magazine sidewall spring receivable in the magazine shell, the magazine sidewall spring having an outer surface contour corresponding to an inner surface contour of at least some of the sidewalls of the magazine shell, the magazine sidewall spring comprising at least one deformable groove each of which corresponding to a respective one of the at least one vertical reinforcement groove of the magazine shell, the magazine sidewall spring configured to provide a side support, by deforming, to one or more ammunition cartridges and exert a force on the one or more ammunition cartridges in directions generally perpendicular to the sidewalls of the magazine shell when the one or more ammunition cartridges are held in the magazine shell and in contact with the magazine sidewall spring. 2. The magazine of claim 1, wherein the first primary sidewall of the magazine shell also comprises a feeding lip extending with a curvature from the first primary sidewall at the first end of the magazine shell. 3. The magazine of claim 2, wherein one or more vertical reinforcement grooves of the at least one vertical reinforcement extend into the curvature of the feeding lip. 4. The magazine of claim 1, wherein a first vertical reinforcement groove of the at least one vertical reinforcement groove comprises first, second and third sections with the first section closer to the first end of the magazine shell than the second and third sections and with the second section disposed between the first and third sections, wherein a cross-sectional diameter of the first section of the first vertical reinforcement groove is different from a cross-sectional diameter of the third section of the first vertical reinforcement groove, and wherein a cross-sectional diameter of the second section of the first vertical reinforcement groove changes between the first section and the third section of the first vertical reinforcement groove. 5. The magazine of claim 4, wherein a second vertical reinforcement groove of the at least one vertical reinforcement groove comprises first, second and third sections with the first section closer to the first end of the magazine shell than the second and third sections and with the second section disposed between the first and third sections, wherein a cross-sectional diameter of the first section of the second vertical reinforcement groove is different from a cross-sectional diameter of the third section of the second vertical reinforcement groove, and wherein a cross-sectional diameter of the second section of the second vertical reinforcement groove changes between the first section and the third section of the second vertical reinforcement groove. 6. The magazine of claim 5, wherein the first vertical reinforcement groove is closer, than the second vertical reinforcement groove, to a sidewall of the magazine shell configured to face a rear end of each of one or more ammunition cartridges when the one or more ammunition cartridges are received in the magazine shell, and wherein the first section of the first vertical reinforcement groove is proportionally shallower than the first section of the second vertical reinforcement groove. 7. The magazine of claim 5, wherein the first primary sidewall of the magazine shell also comprises a feeding lip extending with a curvature from the first primary sidewall at the first end of the magazine shell, and wherein a radius of at least one of the first vertical reinforcement groove or the second vertical reinforcement groove gradually increases toward the feeding lip to have a flare-out shape such that a strength of the feeding lip is increased. 8. A magazine for a firearm, comprising: a magazine shell configured to contain ammunition cartridges of different calibers therein, the magazine shell having a first end, a second end opposite the first end, and a plurality of sidewalls between the first end and the second end, the first end having an opening and configured to attach to the firearm, the second end comprising a bottom plate, at least a first primary sidewall of the sidewalls comprising a feeding lip and a deformable concave area located below the feeding lip, the concave area configured to deform in a manner such that: the concave area caves inward with respect to the magazine shell when no ammunition cartridge is contained in the magazine shell or when no ammunition cartridge contained in the magazine shell is in contact with the concave area,the concave area bulges outward with respect to the magazine shell when one or more ammunition cartridges of a first caliber are contained in the magazine shell and in contact with the concave area, andthe concave area caves inward with respect to the magazine shell and does not bulge outward when one or more ammunition cartridges of a second caliber smaller than the first caliber are contained in the magazine shell and in contact with the concave area. 9. The magazine of claim 8, wherein feeding lip extends with a curvature from the first primary sidewall at the first end of the magazine shell. 10. The magazine of claim 9, wherein one or more vertical reinforcement grooves of the at least one vertical reinforcement extend into the curvature of the feeding lip. 11. The magazine of claim 8, wherein a first vertical reinforcement groove of the at least one vertical reinforcement groove comprises first, second and third sections with the first section closer to the first end of the magazine shell than the second and third sections and with the second section disposed between the first and third sections, wherein a cross-sectional diameter of the first section of the first vertical reinforcement groove is different from a cross-sectional diameter of the third section of the first vertical reinforcement groove, and wherein a cross-sectional diameter of the second section of the first vertical reinforcement groove changes between the first section and the third section of the first vertical reinforcement groove. 12. The magazine of claim 11, wherein a second vertical reinforcement groove of the at least one vertical reinforcement groove comprises first, second and third sections with the first section closer to the first end of the magazine shell than the second and third sections and with the second section disposed between the first and third sections, wherein a cross-sectional diameter of the first section of the second vertical reinforcement groove is different from a cross-sectional diameter of the third section of the second vertical reinforcement groove, and wherein a cross-sectional diameter of the second section of the second vertical reinforcement groove changes between the first section and the third section of the second vertical reinforcement groove. 13. The magazine of claim 12, wherein the first vertical reinforcement groove is closer, than the second vertical reinforcement groove, to a sidewall of the magazine shell configured to face a rear end of each of one or more ammunition cartridges when the one or more ammunition cartridges are received in the magazine shell, and wherein the first section of the first vertical reinforcement groove is proportionally shallower than the first section of the second vertical reinforcement groove. 14. The magazine of claim 12, wherein the feeding lip extends with a curvature from the first primary sidewall at the first end of the magazine shell, and wherein a radius of at least one of the first vertical reinforcement groove or the second vertical reinforcement groove gradually increases toward the feeding lip to have a flare-out shape such that a strength of the feeding lip is increased. 15. The magazine of claim 8, wherein the first primary sidewall of the magazine shell further comprises a horizontal reinforcement groove extending along a latitudinal direction of the magazine shell that is perpendicular to the longitudinal direction of the magazine shell. 16. The magazine of claim 15, wherein the horizontal reinforcement groove is disposed in a proximity of and adjacent to an edge of the first primary sidewall at the first end of the magazine shell, and wherein the horizontal reinforcement groove intersects with one or more of the at least one vertical reinforcement groove.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 1

DiChario, Anthony. Shotgun shell magazine. USP2017059664469.

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Magazine shell of a universal magazine of multiple caliber compatibility for firearms

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Magazine shell of a universal magazine of multiple caliber compatibility for firearms

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