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US20060207147A1 - Self-contained triggerplate action for low profile firearms - Google Patents

Self-contained triggerplate action for low profile firearms Download PDF

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Publication number
US20060207147A1
US20060207147A1 US10/907,098 US90709805A US2006207147A1 US 20060207147 A1 US20060207147 A1 US 20060207147A1 US 90709805 A US90709805 A US 90709805A US 2006207147 A1 US2006207147 A1 US 2006207147A1
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United States
Prior art keywords
hammer
triggerplate
action
firearm
low profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/907,098
Inventor
Ernest Lazor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US10/907,098 priority Critical patent/US20060207147A1/en
Publication of US20060207147A1 publication Critical patent/US20060207147A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/56—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear
    • F41A17/58—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear automatically operated, i.e. operated by breech opening or closing movement
    • F41A17/60—Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear automatically operated, i.e. operated by breech opening or closing movement by breakdown action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/46—Trigger safeties, i.e. means for preventing trigger movement
    • F41A17/48—Automatically operated trigger safeties, i.e. operated by breech opening or closing movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A17/00—Safety arrangements, e.g. safeties
    • F41A17/46—Trigger safeties, i.e. means for preventing trigger movement
    • F41A17/52—Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/10—Triggers; Trigger mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/12—Sears; Sear mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/14—Hammers, i.e. pivotably-mounted striker elements; Hammer mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/15—Modular firing mechanism units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/42—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer
    • F41A19/52—Cocking or firing mechanisms for other types of guns, e.g. fixed breech-block types, revolvers
    • F41A19/54—Cocking or firing mechanisms for other types of guns, e.g. fixed breech-block types, revolvers for breakdown guns

Definitions

  • This invention relates to firearms and the use of a self-contained triggerplate action to enable the manufacture of a low profile firearm.
  • Shotgun actions have traditionally been manufactured with the lever, for opening and closing the firearm, along with the safety reset components on the underside of the frame's tang. This tends to restrict the overall profile of the gun, keeping it higher than the optimal low profile for competition shooting.
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action.
  • the triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action.
  • the triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
  • FIG. 1 is an assembled side view of the frame, triggerplate and safety selector.
  • FIG. 2 is a side view of the triggerplate with components in a hammer cocked and safety reset position.
  • FIG. 3 is a side view of the triggerplate with components in a hammer cocked and gun closed position.
  • FIG. 4 is a detailed view of the hammer and hammer spur components.
  • FIG. 5 is a detailed view of the hammer construction.
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action.
  • Triggerplate components have the ability to cock the hammers and reset the safety then return to a neutral position allowing the shooter to take the safety off and fire the gun.
  • the triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
  • FIG. 1 is an assembled side view of the frame, triggerplate and safety selector. This shows the triggerplate 2 assembled into the frame 1 with the safety selector 3 in place.
  • FIG. 2 is a side view of the triggerplate with components in a hammer cocked and safety reset position.
  • the triggerplate 3 in this side view shows the relative position of key components as the gun is opened and cocked.
  • the cocking slide 3 A is pulled forward and engages the hammer spur 3 B causing it to rotate along with the hammer 3 C to a cocked ready to fire position.
  • the hammer spur 3 B also engages the safety reset 3 D that pushes the safety selector 2 back to a “safe” position.
  • FIG. 3 is a side view of the triggerplate with components in a hammer cocked and gun closed position.
  • the cocking slide 3 A is released from the cocking cycle and returns to a neutral position. This allows the hammer spur's 3 B free-wheeling design to let it return to a neutral position under the pressure from the safety reset spring 3 E along with the safety reset 3 D.
  • the gun can be taken off a “safe” mode by moving the safety selector 2 forward to fire the gun. This is a critical feature that all cocking and resetting components can return to a neutral position once the gun is cocked and reset.
  • FIG. 4 is a detailed view of the hammer and hammer spur components.
  • the hammer spur 3 B has a engagement boss 3 B- 1 that fits into the hammer slot 3 C- 1 and will cock the hammer 3 C but the slot is large enough to allow the hammer spur to return to a neutral position.
  • the hammer spur 3 B is registered in position with the hammer 3 C by the engagement boss 3 B- 1 fitting into the hammer slot 3 C- 1 and the hammer spur relief hole 3 B- 2 fitting over the hammer shoulder 3 C- 2 .
  • FIG. 5 is a detailed view of the hammer construction which allows the hammers to rebound and eliminate firing pin drag on shells when opening the gun, elliptical relief on the bottom of the hammers to remove sear spring pressure that can increase trigger pull, and high mass construction that increases the hammer force and reliable ignition of shell primers.
  • the hammer 3 C is composed of a hammer shell 3 C- 3 and a hammer insert 3 C- 4 .
  • the hammer insert is manufactured from a high-density material such as tungsten with a mass of 1.6 times steel to create more ignition force with less spring pressure.
  • the insert is bonded to the shell with a high temperature brazing foil to create a high strength impact resistant joint that withstands firearms usage.
  • the hammer rebound boss 3 C- 5 is positioned on the front part of the hammer and is engaged by the locking slide when the gun is opened allowing both hammers to rebound and lock behind the hammer safety 3 F. This eliminates any firing pin drag on the faces of the shells in the gun's chambers when the gun is opened. By keeping this as a separate operation maximum spring pressure is used to accelerate the hammers when firing the gun for higher reliability.
  • a hammer elliptical relief 3 C- 6 is located at the bottom of the hammer and rotates the sear up once that hammer is fired so that second shot trigger pull is not adversely affected by having to overcome the pressure of two sears when firing the second shot.
  • the Self-Contained Triggerplate Action for Low Profile Firearms has the ability to cock the hammers and reset the safety then return to a neutral position allowing the shooter to take the safety off and fire the gun.
  • the action has high mass hammers that rely on less spring force to reliably fire the gun, separate operation hammer rebound to eliminate firing pin drag and elliptical relief to minimize trigger pull. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)

Abstract

This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action creating an exceptionally low profile that is more ideal for competitive shooting.

Description

    BACKGROUND Field of Invention
  • This invention relates to firearms and the use of a self-contained triggerplate action to enable the manufacture of a low profile firearm.
    • BACKGROUND OF THE INVENTION Description of the Related Art
  • Shotgun actions have traditionally been manufactured with the lever, for opening and closing the firearm, along with the safety reset components on the underside of the frame's tang. This tends to restrict the overall profile of the gun, keeping it higher than the optimal low profile for competition shooting.
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action. The triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
    • SUMMARY OF THE INVENTION
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action. The triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is an assembled side view of the frame, triggerplate and safety selector.
  • FIG. 2 is a side view of the triggerplate with components in a hammer cocked and safety reset position.
  • FIG. 3 is a side view of the triggerplate with components in a hammer cocked and gun closed position.
  • FIG. 4 is a detailed view of the hammer and hammer spur components.
  • FIG. 5 is a detailed view of the hammer construction.
    • REFERENCE NUMERALS
  • 1 Frame
  • 2 Safety selector
  • 3 Triggerplate
  • 3A Cocking slide
  • 3B Hammer spur
  • 3B-1 Hammer spur engagement boss
  • 3B-2 Hammer spur relief hole
  • 3C Hammer
  • 3C-1 Hammer slot
  • 3C-2 Hammer shoulder
  • C-3 Hammer shell
  • C-4 Hammer insert
  • C-5 Hammer rebound boss
  • C-6 Hammer elliptical relief
  • D Safety reset
  • E Safety reset spring
  • F Hammer safety
    • DETAILED DESCRIPTION OF THE INVENTION
  • This invention improves on prior firearm's designs by incorporating all functionality for cocking the hammers, all action components, resetting the safety and barrel selector into the firearm's triggerplate action. Triggerplate components have the ability to cock the hammers and reset the safety then return to a neutral position allowing the shooter to take the safety off and fire the gun. The triggerplate action is fully removable from the frame for cleaning, servicing, and tuning these components. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.
  • FIG. 1 is an assembled side view of the frame, triggerplate and safety selector. This shows the triggerplate 2 assembled into the frame 1 with the safety selector 3 in place.
  • FIG. 2 is a side view of the triggerplate with components in a hammer cocked and safety reset position. The triggerplate 3 in this side view shows the relative position of key components as the gun is opened and cocked. The cocking slide 3A is pulled forward and engages the hammer spur 3B causing it to rotate along with the hammer 3C to a cocked ready to fire position. During this process the hammer spur 3B also engages the safety reset 3D that pushes the safety selector 2 back to a “safe” position.
  • FIG. 3 is a side view of the triggerplate with components in a hammer cocked and gun closed position. As the gun is closed, the cocking slide 3A is released from the cocking cycle and returns to a neutral position. This allows the hammer spur's 3B free-wheeling design to let it return to a neutral position under the pressure from the safety reset spring 3E along with the safety reset 3D. Once these components are in a neutral position the gun can be taken off a “safe” mode by moving the safety selector 2 forward to fire the gun. This is a critical feature that all cocking and resetting components can return to a neutral position once the gun is cocked and reset.
  • FIG. 4 is a detailed view of the hammer and hammer spur components. The hammer spur 3B has a engagement boss 3B-1 that fits into the hammer slot 3C-1 and will cock the hammer 3C but the slot is large enough to allow the hammer spur to return to a neutral position. The hammer spur 3B is registered in position with the hammer 3C by the engagement boss 3B-1 fitting into the hammer slot 3C-1 and the hammer spur relief hole 3B-2 fitting over the hammer shoulder 3C-2.
  • FIG. 5 is a detailed view of the hammer construction which allows the hammers to rebound and eliminate firing pin drag on shells when opening the gun, elliptical relief on the bottom of the hammers to remove sear spring pressure that can increase trigger pull, and high mass construction that increases the hammer force and reliable ignition of shell primers. The hammer 3C is composed of a hammer shell 3C-3 and a hammer insert 3C-4. The hammer insert is manufactured from a high-density material such as tungsten with a mass of 1.6 times steel to create more ignition force with less spring pressure. The insert is bonded to the shell with a high temperature brazing foil to create a high strength impact resistant joint that withstands firearms usage. The hammer rebound boss 3C-5 is positioned on the front part of the hammer and is engaged by the locking slide when the gun is opened allowing both hammers to rebound and lock behind the hammer safety 3F. This eliminates any firing pin drag on the faces of the shells in the gun's chambers when the gun is opened. By keeping this as a separate operation maximum spring pressure is used to accelerate the hammers when firing the gun for higher reliability. A hammer elliptical relief 3C-6 is located at the bottom of the hammer and rotates the sear up once that hammer is fired so that second shot trigger pull is not adversely affected by having to overcome the pressure of two sears when firing the second shot.
  • All components have thin film coatings that enhance wear resistance, reduce friction, and increase rust resistance. This makes the action function more smoothly and extends its service life.
  • In summary, the Self-Contained Triggerplate Action for Low Profile Firearms has the ability to cock the hammers and reset the safety then return to a neutral position allowing the shooter to take the safety off and fire the gun. The action has high mass hammers that rely on less spring force to reliably fire the gun, separate operation hammer rebound to eliminate firing pin drag and elliptical relief to minimize trigger pull. This allows an exceptionally low profile shotgun that is more ideal for competitive shooting.

Claims (1)

1. A self-contained triggerplate action for low profile firearms, comprising:
components enabling the gun to open, cock the hammers to a firing position, and as a means to reset the firearm's safety,
a hammer construction enabling higher mass as a means of creating a more reliable action with shapes to allow rebounding and minimal trigger pull on firing said firearm,
thin film coatings as a means to reduce friction, increase rust and wear resistance of said firearm's components,
whereby said firearm has a very low profile to provide better characteristics for firearms shooting.
US10/907,098 2005-03-19 2005-03-19 Self-contained triggerplate action for low profile firearms Abandoned US20060207147A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/907,098 US20060207147A1 (en) 2005-03-19 2005-03-19 Self-contained triggerplate action for low profile firearms

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Application Number Priority Date Filing Date Title
US10/907,098 US20060207147A1 (en) 2005-03-19 2005-03-19 Self-contained triggerplate action for low profile firearms

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US20060207147A1 true US20060207147A1 (en) 2006-09-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008092669A1 (en) * 2007-01-30 2008-08-07 Heckler & Koch Gmbh Control element, firing unit and firing assembly for a weapon
ITMI20111183A1 (en) * 2011-06-29 2012-12-30 Benelli Armi Spa INTERCHANGEABLE TRIP GROUP FOR FIRE WEAPONS
US20150377575A1 (en) * 2014-06-26 2015-12-31 Sturm, Ruger & Company, Inc. Firearm safety mechanism
US20170199005A1 (en) * 2016-01-13 2017-07-13 Smith & Wesson Corp. Self-Captured Detent Mechanism
US10060694B2 (en) 2013-08-19 2018-08-28 Taurus International Manufacturing, Inc. Hammer with rotatable spur

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US326986A (en) * 1885-09-29 Fire-arm
US356321A (en) * 1887-01-18 Breech-loading fire-arm
US1054069A (en) * 1912-05-20 1913-02-25 Charles D Wilson Firearm.
US1578638A (en) * 1923-10-15 1926-03-30 John M Browning Firearm
US2376358A (en) * 1939-07-04 1945-05-22 Sears Roebuck & Co Gun mechanism
US3389488A (en) * 1966-03-03 1968-06-25 Darmi Pietro Beretta S P A Fab Single-trigger release mechanism for a double-barreled shotgun
US4000575A (en) * 1975-05-08 1977-01-04 Sturm, Ruger & Co. Inc. Means for retraction of lower firing pin of over-and-under firearm
US5659992A (en) * 1996-07-08 1997-08-26 Mistretta; Bernard J. Single-shot falling breech block action
US5697178A (en) * 1995-06-23 1997-12-16 Haskell; Philip R. Fire control mechanism for firearms
US5915935A (en) * 1997-07-30 1999-06-29 Heckler & Koch Gmbh Cocking trigger device
US20020133997A1 (en) * 2001-03-23 2002-09-26 Kepner James Weaver Cam operated, single shot, falling block firing mechanism for a rifle
US20030172571A1 (en) * 2002-03-15 2003-09-18 West Jimmy V. Safety precision trigger system for lever action rifles
US20040103575A1 (en) * 2002-12-02 2004-06-03 Browning Arms Company Over-and-under shotgun apparatus and method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US326986A (en) * 1885-09-29 Fire-arm
US356321A (en) * 1887-01-18 Breech-loading fire-arm
US1054069A (en) * 1912-05-20 1913-02-25 Charles D Wilson Firearm.
US1578638A (en) * 1923-10-15 1926-03-30 John M Browning Firearm
US2376358A (en) * 1939-07-04 1945-05-22 Sears Roebuck & Co Gun mechanism
US3389488A (en) * 1966-03-03 1968-06-25 Darmi Pietro Beretta S P A Fab Single-trigger release mechanism for a double-barreled shotgun
US4000575A (en) * 1975-05-08 1977-01-04 Sturm, Ruger & Co. Inc. Means for retraction of lower firing pin of over-and-under firearm
US5697178A (en) * 1995-06-23 1997-12-16 Haskell; Philip R. Fire control mechanism for firearms
US5659992A (en) * 1996-07-08 1997-08-26 Mistretta; Bernard J. Single-shot falling breech block action
US5915935A (en) * 1997-07-30 1999-06-29 Heckler & Koch Gmbh Cocking trigger device
US20020133997A1 (en) * 2001-03-23 2002-09-26 Kepner James Weaver Cam operated, single shot, falling block firing mechanism for a rifle
US20030172571A1 (en) * 2002-03-15 2003-09-18 West Jimmy V. Safety precision trigger system for lever action rifles
US20040103575A1 (en) * 2002-12-02 2004-06-03 Browning Arms Company Over-and-under shotgun apparatus and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008092669A1 (en) * 2007-01-30 2008-08-07 Heckler & Koch Gmbh Control element, firing unit and firing assembly for a weapon
US8220192B2 (en) 2007-01-30 2012-07-17 Heckler & Koch Gmbh Firing assemblies for use with firearms
ITMI20111183A1 (en) * 2011-06-29 2012-12-30 Benelli Armi Spa INTERCHANGEABLE TRIP GROUP FOR FIRE WEAPONS
EP2541186A1 (en) 2011-06-29 2013-01-02 BENELLI ARMI S.p.A. Interchangeable trigger assembly for firearms
CN102865772A (en) * 2011-06-29 2013-01-09 贝内利阿尔米股份公司 Interchangeable trigger assembly for firearms
US10060694B2 (en) 2013-08-19 2018-08-28 Taurus International Manufacturing, Inc. Hammer with rotatable spur
US20150377575A1 (en) * 2014-06-26 2015-12-31 Sturm, Ruger & Company, Inc. Firearm safety mechanism
US9476660B2 (en) * 2014-06-26 2016-10-25 Sturm, Ruger & Company, Inc. Firearm safety mechanism
US20170199005A1 (en) * 2016-01-13 2017-07-13 Smith & Wesson Corp. Self-Captured Detent Mechanism
US9810506B2 (en) * 2016-01-13 2017-11-07 Smith & Wesson Corp. Self-captured detent mechinism

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