[특허]Projectile for use with a rifled barrel

Kuchman, Todd

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Projectile for use with a rifled barrel

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-010/26 F42B-010/48 F42B-010/54 F42B-012/66
미국특허분류(USC)	102/439; 102/501; 102/517
출원번호	US-0131440 (2010-11-02)
등록번호	US-8141493 (2012-03-27)
국제출원번호	PCT/US2010/055150 (2010-11-02)
§371/§102 date	20110526 (20110526)
발명자 / 주소	Kuchman, Todd
출원인 / 주소	Kuchman, Todd
대리인 / 주소	Sheridan Ross P.C.
인용정보	피인용 횟수 : 10 인용 특허 : 5

초록

A multi-component projectile is disclosed. The multi-component projectile is designed for use with a rifled barrel and is configured to, upon exiting the rifled barrel, utilize the spinning forces imparted on the projectile while in the barrel to expand until the multi-component projectile achieves a predetermined pattern that is larger than an area of the barrel from which the projectile was fired. Methods of manufacturing the multi-component projectile are also disclosed.

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1. A multi-projectile assembly, comprising: at least a first projectile portion;at least a second projectile portion; anda multi-staged radial braking and tether restraint system that interconnects the at least a first and second projectile portions such that spin-generated forces imparted on the assembly cause the at least a first and second projectile portions to radially expand away from their original center of rotation up to a finite expansion limit defined by the multi-staged radial braking and tether restraint system wherein the multi-staged radial braking and tether restraint system applies substantially no resistance to the at least a first and second projectile portions until they have moved a first predetermined radial distance away from their original center of rotation at which point the multi-staged radial braking and tether restraint system begins applying a second force greater than the substantially no resistance to the at least a first and second projectile portions causing the at least a first and second projectile portions to expand from center at a decreasing rate of speed until the finite expansion limit is reached. 2. The multi-projectile assembly of claim 1, wherein the at least a first and second projectile portions are arranged in a circular array, wherein the at least a first and second projectile portions are symmetrical such that they interconnect with one another primarily along their major axis and also in a second direction via male and female mating features. 3. The multi-projectile assembly of claim 1, where the at least a first and second projectile portions are symmetrical, wherein the at least a first and second projectile portions are arranged in the circular array such that they interconnect with one another primarily along their major axis and also in a second direction via at least one stair-step feature. 4. The multi-projectile assembly of claim 1, wherein the at least a first and second projectile portions interconnect with one another such that a cavity is formed between the at least a first and second projectile portions, the cavity being configured to house the multi-staged radial braking and tether restraint system in substantially the upper half of the at least a first and second projectile portions, and wherein the at least a first and second projectile portions further interconnect with one another in such a way that the at least a first and second projectile portions are configured to exit a barrel of a gun simultaneously. 5. The multi-projectile assembly of claim 1, wherein the at least a first and second projectile portions expand away from their original center of rotation substantially within a single plane of expansion and wherein a trajectory of the multi-projectile assembly is substantially orthogonal to the plane of expansion. 6. The multi-projectile assembly of claim 1, further comprising at least a third projectile portion, wherein the multi-staged radial braking and tether restraint system interconnects the at least a first, second, and third projectile portions. 7. The multi-projectile assembly of claim 6, further comprising no more than five projectile portions, wherein the multi-staged radial braking and restraint system interconnects the projectile portions of the multi-projectile assembly. 8. The multi-projectile assembly of claim 1, wherein the at least a first and second projectile portions each comprise an anchor point where the multi-staged radial braking and tether restraint system applies forces to the projectile portion and wherein the anchor point is offset from a center of mass of the projectile portion thereby allowing each projectile portion to independently rotate and achieve an independent optimal aerodynamic position upon reaching the expansion limit. 9. The multi-projectile assembly of claim 1, wherein the at least a first and second projectile portions comprise at least one of a notch and groove on their outer surface configured to receive a restraint that holds the multi-projectile assembly together during manufacturing of the multi-projectile assembly. 10. A cartridge including the multi-projectile assembly of claim 1. 11. A multi-staged radial braking and tether restraint system as claimed in claim 1, wherein the multi-staged radial braking and tether restraint system comprises at least a first stage that is a tether which applies the substantially no resistance prior to the at least a first and second projectile portions reaching the first predetermined radial distance, wherein the tether also applies forces larger than the substantially no resistance when the tether is under tension, wherein the multi-staged radial braking and tether restraint system also comprises at least a second stage that includes a plurality of braking applicators established on the tether and braking system, and wherein the multi-staged radial braking and tether restraint system enables the projectile assembly to benefit from gyroscopic stabilization at all phases of braking by systematically dissipating the radial pulling forces thereby mitigating the occurrence of destabilization caused by bounce back. 12. The multi-staged radial braking and tether restraint system of claim 11, wherein the at least a first stage comprises a tether made of a pliable thread-like material. 13. The multi-staged radial braking and tether restraint system of claim 11, wherein the plurality of braking applicators comprise a plurality of knots established on the tether and wherein the plurality of braking applicators do not apply a substantial force to the at least a first and second projectile portions until after the first and second projectile portions have moved the first predetermined radial distance away from their original center of rotation. 14. The multi-staged radial braking and tether restraint system of claim 13, wherein the at least a second stage further comprises a deformation brake. 15. The multi-staged radial braking and restraint system of claim 14, wherein the deformation brake comprises at least one of an adhesive, a sleeve, and a knot. 16. The multi-staged radial braking and tether restraint system of claim 13, wherein the tether is looped and laid back onto itself and the braking applicators comprise a breakable bond created at points of contact where the tether touches itself. 17. The multi-staged radial braking and tether restraint system of claim 13, wherein the tether is configured in such a way that consecutive loops are pulled through one after another and the braking applicators comprise a breakable bond created along points of contact where the tether touches itself. 18. The multi-staged radial braking and tether restraint system of claim 13, wherein the tether is spooled and wherein the braking applicators apply a continuous braking force to the at least a first and second projectile portions after the at least a first and second projectile portions have moved the first predetermined radial distance away from their original center of rotation.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 10

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특허 상세정보

Projectile for use with a rifled barrel

초록

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이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 10

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특허 상세정보

Projectile for use with a rifled barrel

초록

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이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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