Self-levering follower for a universal magazine of multiple caliber compatibility for firearms
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0731037
(2012-12-30)
|
등록번호 |
US-8667724
(2014-03-11)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
3 |
초록
▼
A magazine for a firearm comprises a magazine shell, a main magazine spring, and a follower assembly. The follower assembly is disposed inside the magazine shell and movable generally along a longitudinal axis of the magazine shell. The follower assembly includes a non-tilt-able piece coupled to a f
A magazine for a firearm comprises a magazine shell, a main magazine spring, and a follower assembly. The follower assembly is disposed inside the magazine shell and movable generally along a longitudinal axis of the magazine shell. The follower assembly includes a non-tilt-able piece coupled to a first end of the main magazine spring and having a first end and a second end opposite the first end. The follower assembly also includes a tilt-able piece having a first end and a second end opposite the first end. A middle portion of the tilt-able piece is pivot-ably coupled to a middle portion of the non-tilt-able piece. The follower assembly further includes an elastic element that is elastically disposed between the non-tilt-able piece and the tilt-able piece and exerting a force on the non-tilt-able piece and the tilt-able piece.
대표청구항
▼
1. A self-levering follower assembly for a magazine for a firearm, the follower assembly disposable inside a magazine shell of the magazine and movable generally along a longitudinal axis of the magazine shell, the follower assembly comprising: a first piece configured to be coupled to an end of a m
1. A self-levering follower assembly for a magazine for a firearm, the follower assembly disposable inside a magazine shell of the magazine and movable generally along a longitudinal axis of the magazine shell, the follower assembly comprising: a first piece configured to be coupled to an end of a main magazine spring of the magazine, the first piece having a first end and a second end opposite the first end;a second piece having a first end and a second end opposite the first end, a middle portion of the second piece pivot-ably coupled to a middle portion of the first piece; andan elastic element elastically disposed between the first piece and the second piece and exerting a first force on the first piece and the second piece such that: when the magazine shell holds no ammunition cartridge therein, the first end of the first piece and the first end of the second piece are in contact while the second end of the first piece and the second end of the second piece are separated due to the first force exerted by the elastic element, andwhen the magazine shell holds one or more ammunition cartridges therein with the one or more ammunition cartridges disposed on the second piece, the first end of the first piece and the first end of the second piece are either in contact or separated while the one or more ammunition cartridges compress the main magazine spring to exert a second force against the first force exerted by the elastic element. 2. A self-levering follower assembly of claim 1, wherein the second end of the second piece includes a protrusion such that the protrusion is configured to engage with a bolt catch of the firearm due to the first force exerted by the elastic element and the second force exerted by the magazine main spring when the magazine shell holds no ammunition cartridge therein. 3. A self-levering follower assembly of claim 1, wherein the second end of the first piece includes a protrusion such that the protrusion is configured to engage with a bolt catch of the firearm due to the second force exerted by the magazine main spring when the magazine shell holds no ammunition cartridge therein. 4. A self-levering follower assembly of claim 1, wherein the elastic element comprises a compression spring. 5. A self-levering follower assembly of claim 4, wherein the first piece includes a pocket portion that receives a first end of the compression spring, and wherein the second piece includes a spring guide protrusion to which a second end of the compression spring opposite the first end of the compression spring is coupled. 6. A self-levering follower assembly of claim 1, wherein the elastic element comprises a torsion spring. 7. A self-levering follower assembly of claim 6, wherein the first piece includes a recess that receives a first portion of the torsion spring, and wherein the second piece includes a recess that receives a second portion of the torsion spring. 8. A magazine for a firearm, comprising: a magazine shell having a first end, a second end opposite the first end, and 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 including a bottom plate;a main magazine spring having a first end and a second end opposite the first end, the second end of the main magazine spring coupled to the bottom plate of the second end of the magazine shell; anda self-levering follower assembly disposed inside the magazine shell and movable generally along a longitudinal axis of the magazine shell, the follower assembly including: a first piece coupled to the first end of the main magazine spring, the first piece having a first end and a second end opposite the first end,a second piece having a first end and a second end opposite the first end, a middle portion of the second piece pivot-ably coupled to a middle portion of the first piece, andan elastic element elastically disposed between the first piece and the second piece and exerting a first force on the first piece and the second piece. 9. A magazine of claim 8, wherein: when the magazine shell holds no ammunition cartridge therein, the first end of the first piece and the first end of the second piece are in contact while the second end of the first piece and the second end of the second piece are separated due to the first force exerted by the elastic element; andwhen the magazine shell holds one or more ammunition cartridges therein with the one or more ammunition cartridges disposed on the second piece, the first end of the first piece and the first end of the second piece are either in contact or separated while the one or more ammunition cartridges compress the magazine main spring to exert a second force against the first force exerted by the elastic element. 10. A magazine of claim 8, wherein the second end of the second piece includes a protrusion such that the protrusion is configured to engage with a bolt catch of the firearm due to the first force exerted by the elastic element and the second force exerted by the main magazine spring when the magazine shell holds no ammunition cartridge therein. 11. A magazine of claim 8, wherein the second end of the first piece includes a protrusion such that the protrusion is configured to engage with a bolt catch of the firearm due to the second force exerted by the magazine main spring when the magazine shell holds no ammunition cartridge therein. 12. A magazine of claim 8, wherein the elastic element comprises a compression spring. 13. A magazine of claim 12, wherein the first piece includes a pocket portion that receives a first end of the compression spring, and wherein the second piece includes a spring guide protrusion to which a second end of the compression spring opposite the first end of the compression spring is coupled. 14. A magazine of claim 8, wherein the elastic element comprises a torsion spring. 15. A magazine of claim 14, wherein the first piece includes a recess that receives a first portion of the torsion spring, and wherein the second piece includes a recess that receives a second portion of the torsion spring.
이 특허에 인용된 특허 (3)
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Kelsey ; Jr. Charles C. (Chesterland OH) Wolff Walter C. (Berwyn PA), Cartridge magazine and follower for autoloading firearms.
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Vieweg, Thomas, Cartridge magazine system.
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Szabo, Atilla, Semi-automatic handgun, magazine, and follower.
이 특허를 인용한 특허 (10)
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Faifer, Sagi, Ammunition magazine and resilient member.
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Barfoot, Grady; Mayberry, Michael T., Firearm stock.
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Bennett, William Bradley; Kielsmeier, Nicholas; Mayberry, Michael T.; Nakayama, Brian L.; Nuss, Felix, Follower and methods for weapons magazine.
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Bennett, William Bradley; Kielsmeier, Nicholas; Mayberry, Michael T.; Nakayama, Brian L.; Nuss, Felix, Follower and methods for weapons magazine.
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Kielsmeier, Nicholas; Mayberry, Michael T.; Nakayama, Brian L., Magazine.
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Faifer, Sagi, Magazine for a firearm.
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Kielsmeier, Nicholas; Nakayama, Brian L., Self-leveling follower and magazine.
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Kielsmeier, Nicholas; Nakayama, Brian L., Self-leveling follower and magazine.
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DiChario, Anthony, Shotgun shell magazine.
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