WO2020115367A1 - Sécurité de percuteur de culasse d'arme à feu - Google Patents

Sécurité de percuteur de culasse d'arme à feu Download PDF

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Publication number
WO2020115367A1
WO2020115367A1 PCT/FI2019/050869 FI2019050869W WO2020115367A1 WO 2020115367 A1 WO2020115367 A1 WO 2020115367A1 FI 2019050869 W FI2019050869 W FI 2019050869W WO 2020115367 A1 WO2020115367 A1 WO 2020115367A1
Authority
WO
WIPO (PCT)
Prior art keywords
firing pin
bolt
safety
bolt body
pin
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.)
Ceased
Application number
PCT/FI2019/050869
Other languages
English (en)
Inventor
Hannu TÖRMÄNEN
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.)
Sako Oy
Original Assignee
Sako Oy
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 Sako Oy filed Critical Sako Oy
Priority to ES19823781T priority Critical patent/ES2988687T3/es
Priority to PL19823781.0T priority patent/PL3891460T3/pl
Priority to CA3121729A priority patent/CA3121729A1/fr
Priority to EP19823781.0A priority patent/EP3891460B1/fr
Priority to HRP20241372TT priority patent/HRP20241372T1/hr
Publication of WO2020115367A1 publication Critical patent/WO2020115367A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F41A17/64—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers
    • F41A17/66—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers automatically operated, 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/14—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively
    • F41A3/16—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
    • F41A3/26—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt

Definitions

  • the present invention relates to firing pin safeties for firearms. More precisely the present invention relates to a firing pin safety of a bolt of a firearm according to the preamble part of claim 1.
  • a firearm, firing pin safety catch mechanism comprising a bolt having a face and proximal end for receiving a firing pin, a bolt carrier, a fi ring pin having a distil end, a proximal end opposite the distil end and a recess, or catch surface, disposed in proximity to the proximal end, a hammer which is moveable from a cocked position through a travel path to make contact with the firing pin, a firing pin spring biasing the firing pin into a rest portion wherein the distil end of the firing pin is designed to be spaced from the forward face of the bolt and a safety catch mechanism.
  • a firing pin safety mechanism for a weapon provided with a slide having a firing pin channel, comprising: a firing pin mounted for sliding movement between a "ready” position wherein at least one end of the firing pin extends outside said firing pin channel and a “sheathed” position wherein both ends of said firing pin are disposed within the firing pin channel, said firing pin being yieldingly loaded to said "ready” position, a safety channel in the weapon slide extending transversely of the firing pin channel and intersecting the firing pin channel, a safety mounted in said safety channel for sliding movement between "on” and “off' positions, said safety and firing pin being provided with cam means for moving said firing pin to and locking said firing pin in the "sheathed” position when said safety is moved to the "on” posi- tion and for releasing said firing pin for movement to said "ready” position when said safety is moved to the "off' position.
  • a slamfire which is a premature, unintended discharge of a firearm and which typically may occur, when a bolt of the firearm stops rapidly, while a firing pin continues its movement by inertia forward and hits and sets off a primer. Some times, the firing pin only causes a dent onto the primer but in the worst cases the slamfire occurs.
  • the slamfire is prevented by providing the firing pin with a spring around it for slowing down the movement but in all cases the spring is not effective enough as the force of the spring is not enough to prevent the continuation of the movement of the firing pin. In case one should try to prevent the continuation of the movement of the firing pin in order to prevent the slamfire by increasing preventing force of the spring, it would also mean that the force of the striking hammer should also be increased, which may then cause other problems in the firearm.
  • An object of the present invention is to create a firing pin safety of a bolt of a firearm by which the above described problems relating to the possible slamfire are eliminated or at least minimized.
  • Another object of the present invention is to create a new type of a firing pin safety of a bolt of a firearm, in which slamfire is prevented automatically.
  • the bolt in the firing pin safety of a bolt of a firearm, the bolt comprises a bolt carrier, a firing pin and a bolt body, in which the bolt body is located in a bolt body channel formed to the bolt carrier as a central opening in longitudinal direction of the bolt carrier, in which a cam pin is provided for turning movement of the bolt body, in which the firing pin is located in a firing pin channel formed to the bolt body as a central opening in longitudinal direction of the bolt body, and in which in the firing pin channel around the firing pin a spring is lo cated for keeping the firing pin in back position and for slowing down movement of the firing pin, wherein the bolt comprises an automatic firing pin safety pro vided by a safety element located in between guides at each side of the bolt carrier setting the position of the safety element.
  • the safety element is used by the turning of the bolt body.
  • the spring is located be tween the cam pin and a radially extending shoulder formed on and around the firing pin for keeping the firing pin in its back position.
  • the guides are movable in respect of the bolt body forward/backward by turning movement of and sim ultaneously moves by the bolt body such that the guides move the safety ele ment sideways.
  • the bolt closed or near closed the safety element is movable sideways to a position, where the firing pin passes the safety element and the firearm can be fired.
  • a stopper is provided at the back part of the firing pin resting in a groove of the firing pin for keeping the firing pin inside the bolt body and in the firing pin channel.
  • the firing pin safety according to the invention the slamfire is automatically prevented and the firing pin safety according to the invention is applicable in all firearms with revolving type bolts.
  • figure 1 is schematically shown an exploded view of an advantageous exam ple of the invention
  • figure 2 is schematically shown the advantageous example of figure 1
  • in figure 3 is schematically shown the example of figure 2 with projections of figures 4A-4B marked
  • in figures 4A-4B are schematically shown the projections A-A and B-B of figure 3
  • in figure 5 is schematically shown the example of figure 1
  • in figure 6 is schematically shown the example of figure 5 with projections of figures 7A-7B marked
  • in figures 7A-7B are schematically shown the projections C-C and D-D of figure 6.
  • like numbers and signs will be used to identify like elements according to the different views which illustrate the invention and its advantageous example.
  • some repetitive refer ence signs have been omitted for clarity reasons.
  • the bolt 10 comprises a firing pin 15, a bolt body 22, a bolt carrier 32 with a cam pin 34 and guides 35 located in openings 36 at each side of the bolt carrier 32.
  • a bolt body channel 33 Through the bolt carrier 32 extends a bolt body channel 33, into which the bolt body 22 is located and through the bolt body 22 extends a firing pin channel 23 for the firing pin 15.
  • a stopper 19 is provided to secure the firing pin 15 .
  • the bolt comprises a spring 17 located around the firing pin 15 in the firing pin channel 23, as can be seen for example in figures 4A-4B and 7A-7B.
  • FIGS 2-4B the bolt 10 and the firing pin safety is shown, when the bolt is open. As can be seen in this position the movement of the firing pin 15 is pre vented by the safety element 25 positioned between the guides 35 after the cam pin 34 has turned the bolt body 22 to the open position.
  • FIGS 5-7B the bolt 10 and the firing pin safety is shown, when the bolt is closed.
  • the firing pin 15 can pass the safety element 25 and the firearm can be fired as the safety element 25 has been moved sideways to a position guided by the guides after the cam pin 34 has turned the bolt body 22 to the closed position.
  • the cam pin 34 is in contact with the bolt body 22 and when the cam pin 34 is turned also the bolt body 22 moves.
  • the bolt carrier 32 is provided with a cam pin groove 37 for the pivot pin 34.
  • the bolt body 22 can turn for example 45° as defined by the cam pin 34 and the cam pin groove 37 in the bolt carrier 32. Due to the turning movement of the bolt body 22, the bolt body 22 moves for wards/backward in the bolt body channel 33. The turning movement of for ex ample 45 0 causes that locking surfaces 24, for example four locking surfaces 24 of the bolt body 22 will be set locked and thus to a bolt closed position, in which the firearm can be fired. Inside the bolt body 22 in the firing pin channel 23 the firing pin 15 is provided to move.
  • the spring 17 is located to keep the firing pin 15 in its back position.
  • a stopper 19 is provided at the back part of the firing pin 15 resting in a groove 14 of the firing pin 15 to keep the firing pin 15 inside the bolt body 22 and in the firing pin channel 23.
  • the bolt 10 comprises an automatic firing pin safety provided by a safety element, which is used by the turning of the bolt body 22 in the bolt carrier 32.
  • the safety element 25 When the bolt 10 is moving in open state forward until the bolt body 22 stops, the safety element 25 is in on-position and prevents movement of the firing pin 15 further forward and the movement of the firing pin 15 is prevented.
  • the safety element 25 is located in between the guides 35 at each side of the bolt carrier 32 setting the position of the safety element 25 preventing the movement of the firing pin 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Lowering Means (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

La présente invention concerne une sécurité de percuteur d'une culasse d'une arme à feu, la culasse (10) comprenant un support de culasse (32), un percuteur (15) et un corps de culasse (22), le corps de culasse (22) étant situé dans un canal du corps de culasse (33) formé sur le support de culasse (32) en tant qu'ouverture centrale dans la direction longitudinale du support de culasse (32), l'axe de came (34) étant prévu pour tourner le corps de culasse (22), le percuteur (15) étant situé dans un canal de percuteur (23) formé sur le corps de culasse (22) en tant qu'ouverture centrale dans la direction longitudinale du corps de culasse (22), le canal de percuteur (23) autour du percuteur (15) comprenant un ressort (17) pour maintenir le percuteur (15) à l'arrière et pour ralentir le mouvement du percuteur (15). La culasse (10) comprend une sécurité de percuteur automatique fournie par un élément de sécurité (25) situé entre des guides (35) de chaque côté du support de culasse (32) déterminant la position de l'élément de sécurité (25).
PCT/FI2019/050869 2018-12-04 2019-12-04 Sécurité de percuteur de culasse d'arme à feu Ceased WO2020115367A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES19823781T ES2988687T3 (es) 2018-12-04 2019-12-04 Seguro del percutor de un cerrojo de un arma de fuego
PL19823781.0T PL3891460T3 (pl) 2018-12-04 2019-12-04 Zabezpieczenie iglicy zamka broni palnej
CA3121729A CA3121729A1 (fr) 2018-12-04 2019-12-04 Securite de percuteur de culasse d'arme a feu
EP19823781.0A EP3891460B1 (fr) 2018-12-04 2019-12-04 Sécurité de percuteur de culasse d'arme à feu
HRP20241372TT HRP20241372T1 (hr) 2018-12-04 2019-12-04 Sigurnost zasuna udarne igle za vatreno oružje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20186045 2018-12-04
FI20186045A FI128200B (en) 2018-12-04 2018-12-04 Gun lock strike clip

Publications (1)

Publication Number Publication Date
WO2020115367A1 true WO2020115367A1 (fr) 2020-06-11

Family

ID=68806358

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2019/050869 Ceased WO2020115367A1 (fr) 2018-12-04 2019-12-04 Sécurité de percuteur de culasse d'arme à feu

Country Status (8)

Country Link
EP (1) EP3891460B1 (fr)
CA (1) CA3121729A1 (fr)
ES (1) ES2988687T3 (fr)
FI (1) FI128200B (fr)
HR (1) HRP20241372T1 (fr)
HU (1) HUE068704T2 (fr)
PL (1) PL3891460T3 (fr)
WO (1) WO2020115367A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230152052A1 (en) * 2020-05-20 2023-05-18 Sako Oy Firing pin safety of a firearm

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH152282A (de) * 1929-11-09 1932-01-31 Frommer Rudolf Von Zylinderverschluss für Selbstlade-Feuerwaffen.
US2626474A (en) * 1951-03-15 1953-01-27 John L Lochhead Firing pin retracting means for firearms
US4389919A (en) * 1980-02-14 1983-06-28 Remington Arms Company, Inc. Firing pin block for firearm with a rotary breech bolt
US4658529A (en) 1984-08-15 1987-04-21 William Bertolini Firing pin safety mechanism
US20100313459A1 (en) 2009-06-10 2010-12-16 Lwrc International, Llc Firing pin safety device for auto-loading firearms

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH152282A (de) * 1929-11-09 1932-01-31 Frommer Rudolf Von Zylinderverschluss für Selbstlade-Feuerwaffen.
US2626474A (en) * 1951-03-15 1953-01-27 John L Lochhead Firing pin retracting means for firearms
US4389919A (en) * 1980-02-14 1983-06-28 Remington Arms Company, Inc. Firing pin block for firearm with a rotary breech bolt
US4658529A (en) 1984-08-15 1987-04-21 William Bertolini Firing pin safety mechanism
US20100313459A1 (en) 2009-06-10 2010-12-16 Lwrc International, Llc Firing pin safety device for auto-loading firearms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230152052A1 (en) * 2020-05-20 2023-05-18 Sako Oy Firing pin safety of a firearm
US12050073B2 (en) * 2020-05-20 2024-07-30 Sako Oy Firing pin safety of a firearm

Also Published As

Publication number Publication date
EP3891460B1 (fr) 2024-07-10
CA3121729A1 (fr) 2020-06-11
PL3891460T3 (pl) 2024-10-28
HUE068704T2 (hu) 2025-02-28
HRP20241372T1 (hr) 2024-12-20
ES2988687T3 (es) 2024-11-21
FI128200B (en) 2019-12-13
EP3891460C0 (fr) 2024-07-10
FI20186045A1 (fi) 2019-12-13
EP3891460A1 (fr) 2021-10-13

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