US20010039751A1 - Discharging device - Google Patents

Discharging device Download PDF

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Publication number
US20010039751A1
US20010039751A1 US09/805,433 US80543301A US2001039751A1 US 20010039751 A1 US20010039751 A1 US 20010039751A1 US 80543301 A US80543301 A US 80543301A US 2001039751 A1 US2001039751 A1 US 2001039751A1
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US
United States
Prior art keywords
trigger
firing
firing device
gun
frame
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
US09/805,433
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English (en)
Inventor
Ilmo Kurvinen
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
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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
Publication of US20010039751A1 publication Critical patent/US20010039751A1/en
Priority to US10/138,663 priority Critical patent/US6732464B2/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
    • F41A33/00—Adaptations for training; Gun simulators
    • 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
    • F41A19/58—Electric firing mechanisms

Definitions

  • the present invention relates to a firing device for a gun, which is used for target practice and competitive shooting, said firing device being such, that it activates computer processing of the shot, and said firing device comprising a trigger frame, to which the trigger is attached, and a firing mechanism connected to the trigger, said firing mechanism being such that it fires the gun when the trigger is pressed.
  • Guns generally use firing devices which are based on the release of tension created by the sear lever.
  • the tension is spring-loaded.
  • the firing mechanism cancels out the spring-back factor and also, in some cases, the self-sustaining tension caused by the wedge-shaped form of the sear lever.
  • the trigger lever releases the firing pin, which ignites the detonator, or the air valve or air piston in an air gun. This is what activates the firing process of the gun.
  • sear levers wear out from use and maintenance of the firing devices is necessary at certain time intervals.
  • the object of the invention is to provide a firing device by which the disadvantages associated with current firing devices will be eliminated.
  • the object of the invention is to provide a firing device, which is simple in its structure, reliable and advantageous in its costs of use and maintenance.
  • a firing device formed in accordance with the invention comprises a magnet, a safety lock, which is moved by the trigger, is located near the magnet and is designed to be adjusted by the counterforce device, and a switch or corresponding device, to send an impulse to the computer.
  • sear levers are not used, instead, after the magnet and safety lock have been engaged, the trigger releases the switch or corresponding device, which activates the computer program that records the information about the shooting
  • the switch can comprise a microswitch or any other device suitable for the purpose, such as a photocell breaker, capacity transducer, acceleration transducer etc.
  • One advantage of the invention is that these firing devices do not use sear levers, which become worn out and therefore require maintenance.
  • a trigger in a firing device formed in accordance with the invention immediately transfers the impulse through the switch to a computer.
  • a microswitch, or other type of switch has never previously been used for this purpose.
  • the advantage of a firing device formed in accordance with the invention is therefore the longevity of the firing device. Furthermore, the firing device has all of the necessary regulations which are produced with different regulation mechanisms.
  • the firing device is cocked for a new shot by a lever especially designed for that purpose, and which is located in the same place as a corresponding cocking lever on a gun normally used as a model. In different firing devices, this lever can be located in some other place.
  • the operation of the firing device is based on a safety lock without a sear lever, regulated by a magnet and counterforce, in which case the device is designed to discharge one shot at a time.
  • the gun can be equipped with a cocking apparatus for the firing system, which is a built-in or an externally mounted accessory, and functions by means of an automatic spring, electricity, hydraulics, air pressure or gas in order to imitate the automatic and semi-automatic gun.
  • a firing device formed in accordance with the invention is versatile, in that it can be altered either to have trigger travel, or not to have trigger travel merely by adjusting some screws, and its trigger can be inclined and moved in a longitudinal direction.
  • Target practice often consists of several events in which the gun functions automatically or semi-automatically like a submachine gun, assault rifle or semiautomatic pistol.
  • the firing device contains a return system which returns the firing device to wait for a new shot. This device is needed, because the cocking system for the firing device, which is normally based on the recoil of the gun or gas pressure, is not available.
  • the firing device in which the firing device imitates a semiautomatic, self-loading gun or a revolver-type gun, the firing device can be adjusted so that it always returns to its initial state as the trigger is being released. This can be accomplished, for example, by removing one spring and a screw from the firing device.
  • FIG. 1 illustrates schematically a firing device used in a target practice system as seen from the side
  • FIG. 2 illustrates a device formed in accordance with FIG. 1 as seen from underneath without a return system.
  • the firing device for a gun which is used in a system for target practice and competitive shooting formed in accordance with the figures, consists of a gun frame 8 , to which a trigger frame 1 is attached, to which a trigger 2 is attached, and of a firing mechanism 3 , 4 , 5 , 6 , 7 , which is connected to the trigger and which fires the gun when the trigger is pressed.
  • the firing mechanism consists of a magnet 3 , a safety lock 4 , which is moved by the trigger and is designed to be adjusted by the counterforce device 5 , 20 , a microswitch 6 which sends an impulse to the computer and an intermediate lever 7 placed in the proximity of the trigger frame 1 and is attached to the frame of the firing device so that it can be moved.
  • the magnet 3 is located on the firing device or on the gun frame 8 and the safety lock 4 is fastened to the intermediate lever 7 .
  • the magnet can be mounted on the intermediate lever and the safety lock on the gun frame.
  • the safety lock 4 is a piece of iron or magnet or corresponding piece which can be magnetized so it can be made suitable to act as a magnet mounted on the intermediate lever 7 in place of the magnet 3 .
  • the firing device comprises a trigger pull adjustment screw 10 , which is located on the back of the trigger frame 1 , more precisely between the trigger frame and the intermediate lever, and a trigger travel adjustment screw 11 , as well as a spring 12 , all of which help to regulate the trigger weight and travel.
  • the firing device comprises adjusting screws 13 and 14 placed on the front of the trigger frame.
  • the counterforce spring 5 and the counterforce adjusting screw 20 function as the counterforce device.
  • the firing device does not have a separate frame, but instead the frame of the gun also functions as the frame of the firing device.
  • the firing device can also be made without the intermediate lever or its corresponding trigger cradle if the firing device does not require any trigger travel or length adjustment.
  • the firing device comprises an automatic cocking apparatus 9 for the firing mechanism, which is described in FIG. 1.
  • the cocking apparatus consists of a transfer element 15 , which extends as far as the vicinity of the intermediate lever and has been designed to return the intermediate lever to its initial position after the shot.
  • the cock can be returned automatically immediately after the shot by the force resulting from the magnetic actuator in the application illustrated in the figure
  • the return impulse is given by an electric impulse, which is guided by the microswitch 6 .
  • the fire rate of an automatic gun can be imitated by using a timer, which, for example, allows for a time of 0.08 seconds between shots for an assault rifle.
  • the different functions of the firing device can be versatilely regulated by the adjusting screws of the firing device. Regulating is carried out as follows:
  • the firing force is adjusted by a screw 20 , which is attached to the intermediate lever and is partly situated between the intermediate lever and the part on the side of the magnet 3 of the firing device.
  • a screw 20 which is attached to the intermediate lever and is partly situated between the intermediate lever and the part on the side of the magnet 3 of the firing device.
  • the trigger travel adjustment screw 11 is located on the back of the trigger frame on the back-side of the trigger and it extends out from the trigger frame to the intermediate lever. By tightening this screw, the distance of the trigger travel becomes shorter.
  • the amount of trigger pull is adjusted by means of a screw 10 , which is mounted on the back of the trigger frame on the back side of the trigger and it extends out from the trigger frame to the intermediate lever. There is also a spring 12 around it. The pull increases when the screw 10 is tightened, which tightens the spring 12 .
  • the overtravel is regulated by the adjusting screw 13 on the trigger frame, in front of the trigger so that overtravel will be as short as possible. Overtravel gets shorter when the screw is tightened.
  • the distance of the retaining movement of the trigger is regulated with the adjusting screw 14 on the front part of the trigger frame. The return movement of the trigger becomes shorter when the screw is tightened, and longer when the screw is loose.
  • the screw 22 which is placed in the vertical slot on the trigger frame, connects the trigger 2 .
  • the screw in question can also be used for regulating the longitudinal position and the inclination of the trigger.
  • the trigger pull adjustment screw 10 and the spring 12 are removed and the trigger travel adjustment screw 11 should be properly loosened, about 1 - 2 rounds. It is also possible to carry out the adjustment without removing the parts mentioned above, by merely loosening the screws, but adjustments made by means of a screw key require a more sensitive touch. Now the trigger will move a short distance freely. After this, the trigger travel adjustment screw 11 is tightened so that the trigger remains unmoved, and does not move the intermediate lever 7 as it stays in place. If necessary, the overtravel can still be decreased with the screw 13 . Finally, the safety lock is adjusted with the adjusting screw 20 . According to recommendations, the safety lock for a hunting shot should be about 15-25 N.
  • Trigger travel can be created in two different ways.
  • the trigger travel and firing force together create the firing resistance.
  • the spring touches the holding pin which is attached to the frame of the firing device.
  • Such a firing device does not have a safety screw.
  • increasing the trigger travel decreases the firing resistance of the last part of the pull of the trigger.
  • the counterforce screw is adjusted to the intermediate lever. Accordingly, in this case, there is no holding pin.
  • the desired trigger travel type is chosen and the required safety screw or holding pin is mounted in its place. Then trigger travel spring 12 is mounted.
  • trigger travel is regulated according to type with the screw 10 and the safety resistance with the screw 20 .
  • Trigger travel should not surpass 50% of the total firing resistance. Thus, this becomes a question of the personal preference of the person shooting, but the firing device functions in the best way when the portion of the trigger travel resistance is not too high in proportion to the total resistance.
  • the force of the shot with trigger travel can be adjusted by regulating the springs within the range of 2-20 N. At the least, trigger travel can be about 0.5 N.
  • the firing device In an application of the firing device in which the firing device imitates a semi-automatic, self-loading gun or a revolver-type gun, the screw 20 and the spring underneath it are removed from the firing device. In this case, the firing device always returns to its initial state as the trigger is being released.

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Fluid-Driven Valves (AREA)
  • Eye Examination Apparatus (AREA)
  • Massaging Devices (AREA)
  • Seal Device For Vehicle (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Coating Apparatus (AREA)
  • Finger-Pressure Massage (AREA)
US09/805,433 1998-09-17 2001-03-14 Discharging device Abandoned US20010039751A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/138,663 US6732464B2 (en) 1998-09-17 2002-05-06 Discharging device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI982006A FI108366B (fi) 1998-09-17 1998-09-17 Laukaisulaite
FI982006 1998-09-17
PCT/FI1999/000766 WO2000017597A1 (en) 1998-09-17 1999-09-17 Discharging device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1999/000766 Continuation WO2000017597A1 (en) 1998-09-17 1999-09-17 Discharging device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/138,663 Continuation US6732464B2 (en) 1998-09-17 2002-05-06 Discharging device

Publications (1)

Publication Number Publication Date
US20010039751A1 true US20010039751A1 (en) 2001-11-15

Family

ID=8552509

Family Applications (2)

Application Number Title Priority Date Filing Date
US09/805,433 Abandoned US20010039751A1 (en) 1998-09-17 2001-03-14 Discharging device
US10/138,663 Expired - Lifetime US6732464B2 (en) 1998-09-17 2002-05-06 Discharging device

Family Applications After (1)

Application Number Title Priority Date Filing Date
US10/138,663 Expired - Lifetime US6732464B2 (en) 1998-09-17 2002-05-06 Discharging device

Country Status (9)

Country Link
US (2) US20010039751A1 (cs)
EP (1) EP1114292B1 (cs)
AT (1) ATE255218T1 (cs)
AU (1) AU5864699A (cs)
CA (1) CA2344147A1 (cs)
CZ (1) CZ2001906A3 (cs)
DE (1) DE69913175T2 (cs)
FI (1) FI108366B (cs)
WO (1) WO2000017597A1 (cs)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180080731A1 (en) * 2016-09-22 2018-03-22 Skunk Labs Llc Firearms Trigger Assembly
US10228208B2 (en) 2017-03-08 2019-03-12 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
WO2019173070A1 (en) * 2018-02-27 2019-09-12 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10670361B2 (en) 2017-03-08 2020-06-02 Sturm, Ruger & Company, Inc. Single loop user-adjustable electromagnetic trigger mechanism for firearms
US10690430B2 (en) 2017-03-08 2020-06-23 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10900732B2 (en) 2017-03-08 2021-01-26 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with firing event tracking
US11300378B2 (en) 2017-03-08 2022-04-12 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with interruptable trigger control
US11359878B2 (en) * 2019-06-04 2022-06-14 Benelli Armi S.P.A. Trigger unit for a firearm
US20240200899A1 (en) * 2017-03-17 2024-06-20 Wilson's Gun Shop, Inc Handgun
US12385708B2 (en) 2017-03-08 2025-08-12 Sturm, Ruger & Company, Inc. Safety for firearm electromagnetic firing system

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FR2822533B1 (fr) * 2001-03-23 2003-05-16 Genie Audio Visuel Et Applic P Mitrailleuse de simulation et systeme de simulation de tir a la mitrailleuse
KR101168741B1 (ko) 2002-12-12 2012-07-27 알.비.티 (라쿠토 바이오 테크놀로지스) 리미티드 리그닌 퍼옥시다제의 제조 방법 및 피부와 모발라이트닝에서의 이의 용도
US7451755B2 (en) * 2004-07-16 2008-11-18 Kee Action Sports Gas governor, snatch grip, and link pin for paintball gun
US7395819B2 (en) * 2004-07-16 2008-07-08 Kee Action Sports Gas governor, snatch grip, and link pin for paintball gun
US20060124118A1 (en) * 2004-07-16 2006-06-15 National Paintball Supply, Inc. Variable pneumatic sear for paintball gun
US7389719B2 (en) * 2004-12-22 2008-06-24 Smith & Wesson Corp. Wire bushing for use with a firearm barrel
US7380362B2 (en) * 2004-12-22 2008-06-03 Smith & Wesson Corp. Firearm extractor mechanism
US7600340B2 (en) * 2004-12-22 2009-10-13 Smith & Wesson Corp. Locking apparatus for a firearm
US7392611B2 (en) * 2004-12-22 2008-07-01 Smith & Wesson Corp. Apparatus and method for firearm takedown
US7703230B2 (en) * 2004-12-22 2010-04-27 Smith & Wesson Corp. Positive striker lock safety for use with a firearm
US7617628B2 (en) * 2004-12-22 2009-11-17 Smith & Wesson Corp. Fire control mechanism for a firearm
US7506469B2 (en) * 2004-12-22 2009-03-24 Smith & Wesson Corp. Firearm frame with configurable grip
US7472507B2 (en) * 2004-12-22 2009-01-06 Smith & Wesson Corp. Firearm with modular sear and trigger mechanism housings
US7681483B1 (en) * 2005-05-04 2010-03-23 American Apex Corporation Sub-caliber in-bore weapons training apparatus
US8276302B2 (en) 2008-12-30 2012-10-02 Smith & Wesson Corp. Manual slide and hammer lock safety for a firearm
US8684737B1 (en) 2011-04-01 2014-04-01 Derrick A Jordan Handgun trigger training device and method
US9200881B1 (en) 2011-10-24 2015-12-01 F. Richard Langner Systems and methods for an improved firing assembly
US8915004B1 (en) 2011-10-24 2014-12-23 F. Richard Langner Systems and methods for a firing pin
DE102013114282B8 (de) * 2013-12-18 2015-04-02 J.G.Anschütz GmbH & Co. KG Abzugssystem einer Schusswaffe
DE102013114281B3 (de) * 2013-12-18 2015-03-19 J.G.Anschütz GmbH & Co. KG Abzugssystem einer Schusswaffe
US9395134B2 (en) * 2014-01-13 2016-07-19 Frederick B. Swensen Magnetically actuated sear
US12398968B2 (en) 2017-03-08 2025-08-26 Sturm, Ruger & Company, Inc. Fault tolerant electromagnetic safety system for firearms
US10240881B1 (en) 2017-03-08 2019-03-26 Louis M. Galie Fast action shock invariant magnetic actuator for firearms
US10969186B2 (en) 2017-03-08 2021-04-06 Strum, Ruger & Company, Inc. Fast action shock invariant magnetic actuator for firearms

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180080731A1 (en) * 2016-09-22 2018-03-22 Skunk Labs Llc Firearms Trigger Assembly
US11385009B2 (en) * 2016-09-22 2022-07-12 Daniel Defense, Llc Firearms trigger assembly
US10228208B2 (en) 2017-03-08 2019-03-12 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10670361B2 (en) 2017-03-08 2020-06-02 Sturm, Ruger & Company, Inc. Single loop user-adjustable electromagnetic trigger mechanism for firearms
US10690430B2 (en) 2017-03-08 2020-06-23 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10900732B2 (en) 2017-03-08 2021-01-26 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with firing event tracking
US11300378B2 (en) 2017-03-08 2022-04-12 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with interruptable trigger control
US12385708B2 (en) 2017-03-08 2025-08-12 Sturm, Ruger & Company, Inc. Safety for firearm electromagnetic firing system
US20240200899A1 (en) * 2017-03-17 2024-06-20 Wilson's Gun Shop, Inc Handgun
WO2019173070A1 (en) * 2018-02-27 2019-09-12 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US11359878B2 (en) * 2019-06-04 2022-06-14 Benelli Armi S.P.A. Trigger unit for a firearm

Also Published As

Publication number Publication date
ATE255218T1 (de) 2003-12-15
WO2000017597A1 (en) 2000-03-30
CA2344147A1 (en) 2000-03-30
EP1114292A1 (en) 2001-07-11
US20020129532A1 (en) 2002-09-19
AU5864699A (en) 2000-04-10
FI108366B (fi) 2002-01-15
DE69913175D1 (de) 2004-01-08
FI982006A0 (fi) 1998-09-17
EP1114292B1 (en) 2003-11-26
DE69913175T2 (de) 2004-09-09
US6732464B2 (en) 2004-05-11
FI982006L (fi) 2000-03-18
CZ2001906A3 (cs) 2002-03-13

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