[특허]Reusable training ammunition

Reusable training ammunition 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-008/02
출원번호	US-0855229 (1992-03-20)
발명자 / 주소	Dravecky Richard (5861 Cherrywood Dr. Boardman OH 44512) Dravecky Joseph (2085 Elm Trace Austintown OH 44515) Dravecky Jr. Frank G. (3167 Paradise La. Canfield OH 44406) Nichols John G. (865 Trailw
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

A reusable “training”or “practice”round has a reusable hollow casing and a reusable hollow projectile that “snap together”and are releasably retained in assembled relationship by utilizing a resilient connecting member such as a groove-carried O-ring that is interposed between juxtaposed surfaces of concentrically interfitting portions of the casing and the projectile. The assembled practice round is inserted into the chamber end region of the barrel of a firearm and, when the round is fired, the casing is retained in the chamber as the projectile is caused to move along the barrel of the firearm and to discharge along a trajectory that closely simulates the path of flight of a “live”round. Propellant is provided by a reloadable or disposable blank-type cartridge. The projectile and the casing have hollow interiors that communicate and cooperate to define a closed chamber into which the blank round is fired to explosively generate the force needed to rapidly disconnect the projectile from the casing and to launch the projectile through the barrel of the firearm. A snap-together type of releasable connection is established between the casing and the projectile 1) by providing the casing and the projectile with coaxially extending surfaces that are brought into juxtaposed relationship during assembly of the casing and the projectile, and 2) by positioning a resilient connecting member to be tightly clamped between the juxtaposed surfaces just as assembly of the round is completed.

대표청구항 ▼

A reusable training round assembled from a reusable casing and a reusable projectile for being inserted into a chamber end region of a gun barrel to be fired so as to shoot the reusable projectile through the gun barrel for discharge from the barrel along a desired trajectory while retaining the reusable casing within the chamber end region of the gun barrel, comprising: a) reusable projectile means including an elongate projectile formed from relatively rigid, shock and impact resistant material that defines 1) a front region of generally blunt-nosed shape, 2) a rear region, and 3) a central region that is characterized by spaced front and rear portions which are connected, respectively, to the front and rear regions, with the central region having at least a portion thereof that is of substantially constant diameter, with the structure of each of said front, central and rear regions being configured to extend substantially symmetrically about an imaginary axis that runs substantially centrally through the front, central and rear regions in forward and rearward directions, and with the elongate projectile having portions thereof that are hollow so as define an empty interior substantially cylindrical chamber portion that extends substantially symmetrically about said axis over a major portion of said axis and that opens rearwardly through the rear region of the projectile; b) reusable casing means including an elongate casing formed from relatively rigid, shock and impact resistant material that defines 1) a generally tubular, relatively thin walled forward region that extends about a forwardly-opening chamber portion, and 2) a generally tubular, relatively thick walled rearward region that has a passage formed substantially centrally therethrough, with the structure of each of said forward and rearward regions being configured to extend substantially symmetrically about said axis, and with said forwardly-opening chamber portion and said passage being in communication with each other and extending substantially symmetrically about said axis; c) connection means for releasably retaining the projectile means and the casing means in an assembled configuration so that the assembly thereof can be chambered in a gun barrel, with the connection means including a first surface defined at least in part by the forward region of the casing, and a second surface defined at least in part by the rear region of the projectile, said second surface having a diameter which is less than the diameter of said central region of said projectile and a radially extending shoulder between said second surface and a surface of said central region, said shoulder being in contact with a front end wall of the casing, with the first and second surfaces being configured and arranged to extend substantially coaxially about said axis in spaced, juxtaposed relationship in said assembled configuration, and with the connection means further including compressible means formed from a ring of resilient material being compressed between and tightly clamped between said spaced, juxtaposed first and second surfaces for releasably retaining the projectile and the casing in said assembled configuration, with said ring of resilient material located adjacent said shoulder, with the compression and tight clamping of the ring of resilient material being effected by applying assembly force of increasing magnitude to the projectile and to the casing in directions extending generally parallel to said imaginary axis for moving the projectile and the casing relatively toward and into said assembled configuration, and with the increasing magnitude of the assembly force reaching a point when completion of the compression and tight clamping of the ring of resilient material that is needed to effect final relative movement of the projectile and the casing to said assembled configuration is completed relatively suddenly such that the projectile and the casing are caused to effect said final relative movement with suddenness such that a “snap action”type of “feel”is provided to a person who manually supplies said assembly force; d) with the rearwardly-opening chamber portion of the projectile and the forwardly-opening chamber portion of the casing defining hollow interiors that communicate and cooperate to define a closed chamber; and, e) propellant means including a replaceable propellant cartridge fitted into said passage for being fired to explosively discharge propellant gas into said chamber to shoot the projectile through said gun barrel.

이 특허를 인용한 특허 (40)

Padgett, Charles, Adhesive lip for a high strength polymer-based cartridge casing and manufacturing method.
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Nemec, William Joseph, Advanced modular ammunition cartridges and systems.
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Padgett, Charles; Wiley, Sy, Base insert for polymer ammunition cartridges.
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Padgett, Charles; Wiley, Sy, Base insert for polymer ammunition cartridges.
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Van Stratum,Bruce G., Controlled fluid energy delivery burst cartridge.
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Kough, Kayne K.; Kough, Jr., Kenneth E., Dummy practice grenade.
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Keegstra,Neil; Fritz,Randy R.; Fritz,Robin A.; Kinchin,Anthony Edward, Extended range less lethal projectile.
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Padgett, Charles, Frangible portion for a high strength polymer-based cartridge casing and manufacturing method.
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Engel,John Whitworth; Dockery,Kevin Dexter; Luchini,Christopher, High-pressure fixed munition for low-pressure launching system.
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Fritz, Randy R., Hollow slug and casing.
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Hunt Gary D., Inert practice round with solid body.
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Hayes, John, Less than lethal cartridge.
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Brunn,Michael; Kravel,Jacob, Low lethality projectile.
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Brunn,Michael; Kravel,Jacob, Low lethality projectile.
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Brunn, Michael; Kravel, Jacob, Low lethality projectile flight shape.
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Mcaninch, Chris, Method and apparatus for propelling a pellet or BB using a shock-sensitive explosive cap.
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Michael Brunn ; Jacob Kravel, Method of preparing a low lethality projectile for flight in 37mm and 40mm weapon shells.
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Kravel, Jacob; Brunn, Michael, Method of preparing a low lethality round.
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O'Dwyer, James Michael; O'Dwyer, Sean Patrick, Modification of a projectile for stacking in a barrel.
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Padgett, Tony, Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition.
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Padgett, Tony, Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition.
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Padgett, Tony, Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition.
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Padgett, Tony, Narrowing high strength polymer-based cartridge for blank and subsonic ammunition.
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Lyon David H., Non-lethal cartridge with spin-stabilized projectile.
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Padgett, Charles; Padgett, Robert Lanse, Polymer-based machine gun belt links and cartridge casings and manufacturing method.
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Padgett, Charles; Padgett, Robert Lanse, Polymer-based machine gun belt links and cartridge casings and manufacturing method.
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Escobar, Rolando, Projectile.
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Padgett, Charles, Radiused insert.
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Padgett, Charles, Radiused insert.
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Brunn,Michael, Reloadable non-lethal training cartridge.
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Kapeles, John A.; Hultman, John A., Reloadable training ammunition.
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Hook, Shawn C., Resueable polyurethane projectile.
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Torsten, Werner, Reusable grenade cartridge.
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Hook, Shawn C., Reusable polyurethane projectile.
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Morgado Ralph Gordon, Semiautomatic pistol and ammunition.
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Wilson, Chris, Single piece non-lethal projectile.
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Langner, F. Richard, Systems and methods for ammunition for a disrupter cannon.
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Padgett, Charles, Variable inside shoulder polymer cartridge.
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총 건의 자료가 검색되었습니다.

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다운로드 파일은 UTF-8 형태로 저장됩니다.
파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Reusable training ammunition 원문보기

초록 ▼

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