A suppressed pistol has a breech block and a slide mounted on a frame. The breech block and slide are separate pieces, movable relatively to one another and the frame. A link extends between the breech block and the frame. The link carries a cam and a cam follower. The cam follower on the link engag
A suppressed pistol has a breech block and a slide mounted on a frame. The breech block and slide are separate pieces, movable relatively to one another and the frame. A link extends between the breech block and the frame. The link carries a cam and a cam follower. The cam follower on the link engages a cam on the frame, the cam on the link engages a cam follower on the slide. Action between the cams, cam followers and the link causes separation between the breech block and the slide during operation of the pistol. The suppressor includes a container having baffle plates with truncated cones defining openings offset from the geometric centers of the baffle plates.
대표청구항▼
1. A firearm, comprising: a frame having a first cam mounted thereon;a barrel fixedly attached to said frame, said barrel having a muzzle and a breech and defining a firing axis therebetween;a breech block movably mounted on said frame and having a breech face in facing relation with said breech;a l
1. A firearm, comprising: a frame having a first cam mounted thereon;a barrel fixedly attached to said frame, said barrel having a muzzle and a breech and defining a firing axis therebetween;a breech block movably mounted on said frame and having a breech face in facing relation with said breech;a link extending between said breech block and said frame;a first cam follower mounted on said link, said first cam follower engaging said first cam;a second cam mounted on said link;a slide mounted on said frame and movable relatively to both said frame and said breech block, at least a first spring operating between said slide and said frame to bias said slide toward said breech, said slide being engageable with said breech block for biasing said breech block toward said breech;a second cam follower mounted on said slide and engaged by said second cam; whereinupon motion of said breech block away from said breech, engagement between said first cam follower and said first cam moving said second cam into engagement with said second cam follower thereby moving said breech block relatively to said slide. 2. The firearm according to claim 1, wherein said first cam comprises a first surface oriented angularly with respect to said firing axis. 3. The firearm according to claim 2, wherein said first surface has an orientation angle from 20° to 70°. 4. The firearm according to claim 2, wherein said first surface has an orientation angle of 45°. 5. The firearm according to claim 1, wherein said link comprises a plate and said first cam follower comprises a cylindrical surface mounted on said plate. 6. The firearm according to claim 5, wherein said plate is captured between said breech block and said slide. 7. The firearm according to claim 6, wherein said plate is pivotably attached to said breech block. 8. The firearm according to claim 1, wherein said second cam follower comprises a second surface oriented angularly with respect to said firing axis. 9. The firearm according to claim 8, wherein said second surface has an orientation angle from 5° to 60°. 10. The firearm according to claim 8, wherein said second surface has an orientation angle of 30°. 11. The firearm according to claim 1, wherein said link comprises a plate and said second cam comprises a cylindrical surface mounted on said plate. 12. The firearm according to claim 11, wherein said plate is captured between said breech block and said slide. 13. The firearm according to claim 12, wherein said plate is pivotably attached to said breech block. 14. The firearm according to claim 1, further comprising a striker mounted within said breech block. 15. The firearm according to claim 1, further comprising: a cavity positioned within said slide, said cavity having a front wall positioned proximate to said breech;a headpiece surrounding said breech;a first guide rod having a first end fixed to said headpiece and a second end having a stop surface projecting therefrom, said second end extending into said cavity;said first spring positioned within said cavity surrounding said first guide rod and engaging said front wall and said stop surface for biasing said slide toward said breech. 16. The firearm according to claim 15, further comprising: a second guide rod having a first end fixed to said headpiece and a second end having a stop surface projecting therefrom, said second end extending into said cavity;a second spring positioned within said cavity surrounding said second guide rod and engaging said front wall and said stop surface on said second guide rod for biasing said slide toward said breech. 17. The firearm according to claim 15, wherein said cavity is positioned overlying said breech block. 18. The firearm according to claim 15, further comprising: a clip movably mounted on said head piece, said clip being movable between an open position and a closed position;a first cutout positioned in said clip for receiving said first guide rod when said clip is in said closed position, said first cutout comprising an axially facing surface engageable with an enlarged head at an end of said first guide rod for securing said first guide rod to said head piece when said clip is in said closed position. 19. The firearm according to claim 18, wherein said first cutout further comprises a radially facing surface positioned adjacent to said axially facing surface, said radially facing surface engaging said enlarged head and preventing movement of said clip from said closed to said open position. 20. The firearm according to claim 18, wherein said clip is pivotably mounted to said head piece. 21. The firearm according to claim 18, wherein said clip comprises a second cutout positioned adjacent to said first cutout, said second cutout comprising: an axially facing surface engageable with an enlarged head at an end of a second guide rod for securing said second guide rod to said head piece when said clip is in said closed position;a radially facing surface positioned adjacent to said axially facing surface of said second cutout, said radially facing surface of said second cutout engaging said enlarged head of said second guide rod and preventing movement of said clip from said closed to said open position. 22. The firearm according to claim 1, further comprising: first and second rails positioned on opposite sides of said frame and oriented parallel to said firing axis;at least a first stop surface projecting from said first rail;first and second tabs positioned on opposite sides of said slide, said first and second tabs respectively engaging said first and second rails for retaining said slide to said frame;first and second lugs positioned on opposite sides of said slide in spaced relation to said first and second tabs respectively, said first lug being engageable with said first stop surface for limiting motion of said slide in a direction away from said breech. 23. The firearm according to claim 22, wherein each of said rails has a gap therein for receiving a respective one of said first and second lugs to permit assembly and disassembly of said slide onto said frame. 24. The firearm according to claim 1, further comprising a sound suppressor mounted on said barrel. 25. The firearm according to claim 24, wherein said sound suppressor comprises: a container having an entrance orifice and an exit orifice aligned with said firing axis, said container defining a plurality of baffle chambers. 26. The firearm according to claim 25, wherein said container comprises at least three said baffle chambers. 27. The firearm according to claim 25, wherein said container defines an expansion chamber adjacent to said entrance orifice, said barrel extending into said expansion chamber. 28. The firearm according to claim 27, wherein said container is attached to said barrel between said muzzle and said breech. 29. The firearm according to claim 25, wherein at least one of said baffle chambers includes a baffle comprising: a plate oriented transversely to said firing axis;a truncated cone projecting from said plate, said truncated cone defining an opening through said plate. 30. The firearm according to claim 29, wherein said plate has a geometric center, said opening being positioned offset from said geometric center and aligned with said firing axis. 31. The firearm according to claim 29, wherein: said plate comprises at least first and second webs positioned within said container, said first and second webs being aligned with one another and oriented transversely to said firing axis, said first web having a first edge, said second web having a second edge in facing relation with said first web, said truncated cone being positioned between said first and second edges of said webs. 32. The firearm according to claim 31, wherein said truncated cone is surrounded by a frame having first and second edges oppositely disposed, a first channel being positioned in said first edge and extending lengthwise there along, a second channel being positioned in said second edge and extending lengthwise there along, said first channel receiving said first edge of said first web, said second channel receiving said second edge of said second web for mounting said truncated cone within said container. 33. The firearm according to claim 31, wherein said first web is longer than said second web. 34. The firearm according to claim 25, wherein said baffle chambers are defined by a plurality of segments attached to one another end to end, each one of said segments comprising: a plate oriented transversely to said firing axis;a skirt surrounding said plate and extending transversely thereto;a truncated cone projecting from said plate, said truncated cone defining an opening through said plate. 35. The firearm according to claim 34, further comprising an expansion chamber attached to one of said segments. 36. The firearm according to claim 35, wherein said expansion chamber comprises: a first bulkhead oriented transversely to said firing axis;a second bulkhead in spaced relation to said first bulkhead and oriented transversely to said firing axis;a sidewall surrounding said first and second bulkheads and extending between them. 37. The firearm according to claim 36, wherein said first bulkhead intersects said firing axis and said second bulk head is offset from said firing axis, said first bulkhead having a hole therethrough. 38. The firearm according to claim 36, wherein said expansion chamber defines said entrance orifice. 39. The firearm according to claim 34, wherein further comprising at least one fastener extending between and fixing said segments end to end.
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이 특허에 인용된 특허 (65)
Silvers, Robert, Asymmetric firearm silencer with coaxial elements.
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