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Breech bolt assembly for a firearm

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F41A-003/26
출원번호 US-0735077 (1996-10-18)
발명자 / 주소
  • Westrom Mark A.
대리인 / 주소
    Woodard, Emhardt, Naughton, Moriarty & McNett
인용정보 피인용 횟수 : 25  인용 특허 : 18

초록

Reliability of a multi-lug breech bolt is improved by modifying the bearing relationship between the bolt lugs and the matching lugs within a gun receiver. This procedure is applied to a gun that has a receiver housing a breech bolt and an extractor. The extractor is coupled to the breech bolt and c

대표청구항

[ What is claimed is:] [1.] A method for increasing reliability of a gun, comprising:(a) disassembling the gun, the gun having a receiver housing a breech bolt and an extractor, the extractor being coupled to the breech bolt and configured to move relative thereto, the bolt having at least five radi

이 특허에 인용된 특허 (18)

  1. Jurek ; Julius V., .22 Caliber rimfire adapter system for M16 type rifle.
  2. Jurek Julius V. (2046A Corsair Dr. ; Bethel Manor Langley AFB VA 23665), .22 caliber rimfire adapter system for M16 type rifle.
  3. Foote ; John P., Automatic and semiautomatic small caliber conversion system.
  4. Atchisson ; Maxwell G., Automatic bolt catch release apparatus for firearm.
  5. Kennedy Joseph E. (300 College St. Smyrna TN 37167), Automatic gun with improved firing mechanism.
  6. LaFever Clifford E. (Mission Viejo CA), Buffered bolt assembly.
  7. Chesnut M. Gaines (Golden CO) Ulasik Marc (Longmont CO) Sweet Dennis D. (Evergreen CO), Cartridge magazine having a metal body used with a plastic firearm.
  8. Howard William J. (P.O. Box 573 Wilson NC 27893), Dual magazine assembly and holder therefor.
  9. Poff ; Jr. Charles R. (Rte. 1 ; Box 46B Boston KY 40107), Firearm bolt action and extractor.
  10. Sullivan Leroy J. (Faber Heights SGX), Firearms bolt carrier assembly.
  11. Schuetz Robert C. E. (Olympia WA), Gas-operated rifle system.
  12. Farrar Frank W. (Los Alamitos CA) Cupp Carl J. (Hawaiian Gardens CA), Gun magazine structure.
  13. Howard William J. (P.O. Box 573 Wilson NC 27893), Magazine.
  14. Krogh Paul M. (Burbank CA), Magazine follower for automatic pistols.
  15. Elbe Ronald E. (Davenport IA) Krolak Donald W. (Rock Island IL) Vernon Philip L. (Milan IL), Rifle adapter assembly.
  16. Elbe ; Ronald E. ; Krolak ; Donald W. ; Vernon ; Philip L., Rifle adapter assembly magazine.
  17. Larsson Lars G. (Malung SEX), Rifle bolt mechanism and safety.
  18. Atchisson Maxwell G. (55 Old Yellow Springs Rd. Fairborn OH 45324), Weapon conversion apparatus.

이 특허를 인용한 특허 (25)

  1. Lewis, Karl R.; Bargren, James Arend Seabold; Schafer, Jacob A.; Hohl, Neal David, Bolt assemblies for a firearm.
  2. Lewis Karl R., Bolt assembly for a firearm.
  3. Neitzling, Daniel R., Bolt carrier system.
  4. Blank, Michael H., Breech bolt for firearm.
  5. Blank, Michael H., Breech bolt having asymmetric lugs.
  6. Olson, Douglas Dean, Bridged extractor spring for firearms.
  7. Kramer, Lawrence S., Cartridge extractor for firearms.
  8. Neitzling, Daniel R., Compressible bolt carrier extension system.
  9. Lewis, Karl R.; Bargren, James Arend Seabold; Schafer, Jacob A.; Hohl, Neal David, Firearm assembly with upper receiver incorporating an integral upper rail.
  10. Pizano, Jorge, Firearm having an articulated bolt train with transversally displacing firing mechanism, delay blowback breech opening, and recoil damper.
  11. Jebsen, Jan Henrik; Kerbrat, Renaud, Firearm with enhanced recoil and control characteristics.
  12. Jebsen, Jan Henrik; Kerbrat, Renaud, Firearm with enhanced recoil and control characteristics.
  13. Jebsen, Jan Henrik; Kerbrat, Renaud, Firearm with enhanced recoil and control characteristics.
  14. Jebsen,Jan Henrik; Kerbrat,Renaud, Firearm with enhanced recoil and control characteristics.
  15. Jebsen, Jan Henrik; Kerbrat, Renaud; Jenny, Klaus, Firearm with enhanced recoil and control characters.
  16. Jebsen, Jan Henrik; Kerbrat, Renaud, Heavy caliber firearm with enhanced recoil and control characteristics.
  17. Jebsen, Jan Henrik; Kerbrat, Renaud, Heavy caliber firearm with enhanced recoil and control characteristics.
  18. Shimi,Eitan, Internally asymmetrical bolt carrier.
  19. Lewis, Karl R.; Bargren, James Arend Seabold; Schafer, Jacob A.; Hohl, Neal David, Monolithic rail platform and bolt assemblies for a firearm.
  20. Lewis, Karl R.; Bargren, James Arend Seabold; Schafer, Jacob A.; Hohl, Neal David, Monolithic rail platform and bolt assemblies for a firearm.
  21. Stone, Jeffrey W., Replaceable feed ramp.
  22. Stone, Jeffrey W., Replaceable feed ramp.
  23. Daniel, Marvin C.; Lynch, Clinton Wade, Systems and methods for retaining an extractor pin in a bolt carrier group of a firearm.
  24. Ira M. Kay, Underbarrel shotgun.
  25. Kay,Ira M., Underbarrel shotgun.
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