IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0149795
(2014-01-07)
|
등록번호 |
US-9857132
(2018-01-02)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
14 |
초록
▼
A rifle stock has a body defining a magazine well configured to closely and removably receive at least a portion of the magazine, the body including an actuation element proximate the magazine well, the magazine well being a passage defining an insertion axis, and the actuation element having an act
A rifle stock has a body defining a magazine well configured to closely and removably receive at least a portion of the magazine, the body including an actuation element proximate the magazine well, the magazine well being a passage defining an insertion axis, and the actuation element having an actuation surface portion angularly offset from the insertion axis, such that the cartridge retention element operably encounters and is moved by the actuation element upon insertion of the magazine. There may be a magazine having a body with an exterior profile sized to be closely and removably received in the magazine well, the body defining a central passage configured to receive a plurality of ammunition cartridges, the passage having an open upper end, a cartridge retention element attached to the body and movable between a first retention position, and a second released position.
대표청구항
▼
1. A rifle stock for receiving a magazine having a movable cartridge retention element, the rifle stock comprising: a body defining a magazine well; a magazine for containing ammunition cartridges, the magazine having a magazine body with an exterior profile sized to have at least a portion closely
1. A rifle stock for receiving a magazine having a movable cartridge retention element, the rifle stock comprising: a body defining a magazine well; a magazine for containing ammunition cartridges, the magazine having a magazine body with an exterior profile sized to have at least a portion closely and removably received in the magazine well; the magazine body defining a central passage configured to receive a plurality of ammunition cartridges; the central passage having an open upper end; a movable cartridge retention element attached to the magazine body and movable between a first retention position, and a second released position; the movable cartridge retention element having a retention portion that is positioned above at least a portion of the open upper end of the central passage when the cartridge retention element is in the first retention position, and positioned laterally clear of the open upper end of the central passage when the cartridge retention element is in the second released position, such that cartridges in the magazine passage are prevented from escaping when the cartridge retention element is in the first position, and permitted to escape when the cartridge retention element is in the second position; the body including an actuation element proximate the magazine well; the magazine well being a passage defining an insertion axis; the actuation element having an inner surface facing a selected portion of the magazine well and an opposed outer surface facing away from the selected portion of the magazine well, the outer surface having an actuation surface portion angularly offset from the insertion axis, such that the cartridge retention element operably encounters and is moved by the actuation surface upon insertion of the magazine; the body defining a receiver receptacle channel adapted to closely receive a portion of a rifle receiver; and the actuation element being at a level below the receiver receptacle channel. 2. The rifle stock of claim 1 wherein the cartridge retention element is biased to the first position. 3. The rifle stock of claim 1 wherein the cartridge retention element is retained in the second position when the magazine is fully inserted into the magazine well. 4. The rifle stock of claim 1 wherein the cartridge retention element is the only portion of the magazine overhanging the open end of the passage. 5. The rifle stock of claim 1 wherein the cartridge retention element is a resilient cantilever. 6. The rifle stock of claim 1 wherein the cartridge retention element is a metal wire. 7. The rifle stock of claim 1 wherein the cartridge retention element is an elongated articulated element having element ends attached to the magazine body, and an intermediate portion including the retention portion. 8. The rifle stock of claim 1 wherein the cartridge retention element is a U-shaped member. 9. The rifle stock of claim 1 wherein the stock defines an access aperture providing communication with the magazine well. 10. The rifle stock of claim 9, wherein the access aperture is proximate the actuation surface portion. 11. The rifle stock of claim 9, including a cover enclosing the access aperture. 12. The rifle stock of claim 1 wherein the actuation surface portion is acutely angled with respect to the insertion axis, such that insertion of the magazine by a selected amount generates lateral motion of the cartridge retention element by a lesser amount to provide a mechanical advantage. 13. The rifle stock of claim 1 wherein the actuation surface portion is a flat slope. 14. The rifle stock of claim 1 wherein the stock body defines a recess that receives the movable cartridge retention element when the actuation element urges the movable cartridge retention element away from a central bore of the magazine. 15. The rifle stock of claim 1 wherein a cartridge received within the central passage of the magazine body feeds vertically upwards from the magazine body when the magazine is fully inserted into the magazine well. 16. A rifle stock for receiving a magazine having a movable cartridge retention element, the rifle stock comprising: a body defining a magazine well; a magazine for containing ammunition cartridges, the magazine having a magazine body with an exterior profile sized to have at least a portion closely and removably received in the magazine well; the magazine body defining a central passage configured to receive a plurality of ammunition cartridges; the central passage having an open upper end; a movable cartridge retention element attached to the magazine body and movable between a first retention position, and a second released position; the movable cartridge retention element having a retention portion that is positioned above at least a portion of the open upper end of the central passage when the cartridge retention element is in the first retention position, and positioned laterally clear of the open upper end of the central passage when the cartridge retention element is in the second released position, such that cartridges in the magazine passage are prevented from escaping when the cartridge retention element is in the first position, and permitted to escape when the cartridge retention element is in the second position; the body including an actuation element proximate the magazine well; the magazine well being a passage defining an insertion axis; the actuation element having an inner surface facing a selected portion of the magazine well and an opposed outer surface facing away from the selected portion of the magazine well, the outer surface having an actuation surface portion angularly offset from the insertion axis, such that the cartridge retention element operably encounters and is moved by the actuation surface upon insertion of the magazine; the body defining a receiver receptacle channel adapted to closely receive a portion of a rifle receiver; the actuation element being at a level below the receiver receptacle channel; and wherein the actuation surface faces laterally away from the midline of the stock. 17. A rifle stock for receiving a magazine having a movable cartridge retention element, the rifle stock comprising: a body defining a magazine well; a magazine for containing ammunition cartridges, the magazine having a magazine body with an exterior profile sized to have at least a portion closely and removably received in the magazine well; the magazine body defining a central passage configured to receive a plurality of ammunition cartridges; the central passage having an open upper end; a movable cartridge retention element attached to the magazine body and movable between a first retention position, and a second released position; the movable cartridge retention element having a retention portion that is positioned above at least a portion of the open upper end of the central passage when the cartridge retention element is in the first retention position, and positioned laterally clear of the open upper end of the central passage when the cartridge retention element is in the second released position, such that cartridges in the magazine passage are prevented from escaping when the cartridge retention element is in the first position, and permitted to escape when the cartridge retention element is in the second position; the body including an actuation element proximate the magazine well; the magazine well being a passage defining an insertion axis; the actuation element having an inner surface facing a selected portion of the magazine well and an opposed outer surface facing away from the selected portion of the magazine well, the outer surface having an actuation surface portion angularly offset from the insertion axis, such that the cartridge retention element operably encounters and is moved by the actuation surface upon insertion of the magazine; the body defining a receiver receptacle channel adapted to closely receive a portion of a rifle receiver; the actuation element being at a level below the receiver receptacle channel; and wherein the actuation element is a tapered wedge narrowest at a lowest end. 18. The rifle stock of claim 1 including a magazine received in the magazine well, the magazine having a movable cartridge retention element biased against the actuation surface.
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