Smoothbore projectile
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0001747
(2007-12-05)
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등록번호 |
US-7681503
(2010-04-21)
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발명자
/ 주소 |
- Fridley, Jr., Perry L.
- Tiedge, Kenneth W.
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출원인 / 주소 |
- The United States of America as represented by the Secretary of the Navy
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대리인 / 주소 |
Thielman, Esq., Gerhard W.
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인용정보 |
피인용 횟수 :
8 인용 특허 :
8 |
초록
▼
A projectile is provided for delivering a payload from a smoothbore launcher to a target. The projectile includes an aerodynamic stabilizer, an extender along which the stabilizer can longitudinally translate, and a chamber connected to the extender to contain the payload. The chamber can include a
A projectile is provided for delivering a payload from a smoothbore launcher to a target. The projectile includes an aerodynamic stabilizer, an extender along which the stabilizer can longitudinally translate, and a chamber connected to the extender to contain the payload. The chamber can include a plastic bag for containing a liquid that represents the payload, and a plurality of holes that radially extend through its wall. The stabilizer enhances post-launch directional stability of the projectile by longitudinally translating rearward along the extender to shift center of pressure of the projectile aft of center of gravity of the projectile. The bag ruptures upon contact with the target, thereby disbursing the liquid through the holes. The bag can include malodorant or paint. The projectile can be contained within a gunpowder-loaded shotgun shell for launch.
대표청구항
▼
What is claimed is: 1. A projectile for delivering a payload from a smoothbore launcher to a target, the projectile comprising: an aerodynamic stabilizer; an extender along which said stabilizer can longitudinally translate; a governor to limit longitudinal translation of said stabilizer along said
What is claimed is: 1. A projectile for delivering a payload from a smoothbore launcher to a target, the projectile comprising: an aerodynamic stabilizer; an extender along which said stabilizer can longitudinally translate; a governor to limit longitudinal translation of said stabilizer along said extender; a chamber housing that defines a cavity to contain the payload, said chamber housing connected to said extender; a mount to rigidly attach said chamber housing to said extender, wherein said stabilizer slidably translates along said extender; and a helical spring disposed along said extender between said mount and said governor, wherein said stabilizer enhances post-launch directional stability of the projectile by said spring imposing tensile force between said mount and said governor to longitudinally translate said stabilizer rearward along said extender for shifting center of pressure of the projectile aft of center of gravity of the projectile. 2. The projectile according to claim 1, wherein said chamber housing further includes a weighted nose cap to shift the projectile's center of gravity forward. 3. The projectile according to claim 1, wherein said stabilizer further includes a ring that slidably connects to said extender and a plurality of fins attached to said ring. 4. The projectile according to claim 1, wherein the payload is solid rubber. 5. The projectile according to claim 1, wherein said chamber housing having a cylindrical wall and further comprises: a plastic bag within said cavity for containing a liquid that represents the payload; and a plurality of holes that radially extend through said cylindrical wall, and said bag ruptures upon contact with the target, thereby disbursing said liquid through said plurality of holes. 6. The projectile according to claim 5, wherein said liquid is a malodorant. 7. The projectile according to claim 5, wherein said liquid is paint. 8. The projectile according to claim 1, wherein the projectile is contained within a gunpowder-loaded shotgun shell for launch. 9. A projectile for delivering a payload from a smoothbore launcher to a target, the projectile comprising: an aerodynamic stabilizer; an extender along which said stabilizer can longitudinally translate; and a chamber housing that defines a cavity to contain the payload, said chamber housing connected to said extender, said chamber having a cylindrical wall and including: a plastic bag within said cavity for containing a liquid that represents the payload; and a plurality of holes that radially extend through said cylindrical wall, wherein said stabilizer enhances post-launch directional stability of the projectile by longitudinally translating rearward along said extender to shift center of pressure of the projectile aft of center of gravity of the projectile, and said bag ruptures upon contact with the target, hereby disbursing said liquid through said plurality of holes. 10. The projectile according to claim 9, further comprising: a mount to rigidly attach said extender chamber to said extender, wherein said stabilizer slidably translates along said extender. 11. The projectile according to claim 10, further comprising: a governor to limit longitudinal translation of said stabilizer along said extender. 12. The projectile according to claim 9, wherein said chamber housing further includes a weighted nose cap to shift the projectile's center of gravity forward. 13. The projectile according to claim 9, whereto said stabilizer further includes a ring that slidably connects to said extender and a plurality of fins attached to said ring. 14. The projectile according to claim 9, wherein said liquid is a malodorant. 15. The projectile according to claim 9, wherein said liquid is paint. 16. The projectile according to claim 9, wherein the projectile is contained within a gunpowder-loaded shotgun shell for launch. 17. The projectile according to claim 9, further comprising: a governor to limit longitudinal translation of said stabilizer along said extender; a mount to rigidly attach said chamber housing to said extender, wherein said stabilizer slidably translates along said extender; and a helical spring disposed along said extender between said mount and said governor, wherein said spring imposing tensile force between said mount and said governor to longitudinally translate said stabilizer rearward along said extender.
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