EP4230950A1 - Culasse pour fusil à répétition - Google Patents

Culasse pour fusil à répétition Download PDF

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Publication number
EP4230950A1
EP4230950A1 EP23157449.2A EP23157449A EP4230950A1 EP 4230950 A1 EP4230950 A1 EP 4230950A1 EP 23157449 A EP23157449 A EP 23157449A EP 4230950 A1 EP4230950 A1 EP 4230950A1
Authority
EP
European Patent Office
Prior art keywords
bolt
locking
locking sleeve
closure
breech
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.)
Pending
Application number
EP23157449.2A
Other languages
German (de)
English (en)
Inventor
Mathias Strasser
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.)
Hms Praezisionstechnik GmbH
Original Assignee
Hms Praezisionstechnik GmbH
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 Hms Praezisionstechnik GmbH filed Critical Hms Praezisionstechnik GmbH
Publication of EP4230950A1 publication Critical patent/EP4230950A1/fr
Pending 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/38—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes
    • F41A3/42—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes hand-operated
    • 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
    • F41A3/18—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 hand-operated
    • F41A3/20—Straight-pull operated bolt locks, i.e. the operating hand effecting only a straight movement parallel to the barrel axis
    • 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
    • F41A3/18—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 hand-operated
    • F41A3/22—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 hand-operated the locking being effected by rotating the operating handle or lever transversely to the barrel axis
    • 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
    • F41A3/28—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 having fixed locking elements on the non-rotating bolt and rotating locking elements mounted on the barrel or breech housing, e.g. rotatable rings
    • 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
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/44—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers
    • F41A3/48—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers hand-operated
    • 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
    • F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
    • F41A3/72—Operating handles or levers; Mounting thereof in breech-blocks or bolts

Definitions

  • the present invention relates to a breech for a straight-pull bolt-action rifle, which has a breech case and a locking sleeve guided therein, as well as a locking rod guided in the breech case and integrally connected to the locking sleeve, which locking rod has a breech head facing a cartridge chamber with a bolt handle with the interposition of a Chain link connects, the chain link being articulated on the locking bar and the bolt handle and the bolt handle being pivotable between an open and a closed position of the breech and interacting with a firing pin nut connected to a firing pin, as well as an end facing away from the bolt handle of the breech is provided in a breech case insertable closure head, as well as the use of the same.
  • Bolts for firearms in particular for straight-pull bolt-action rifles, are known in a wide variety of configurations, and regardless of the type of bolt-action design, the top priority is to provide a bolt that reduces the risk of accidents during shooting and/or loading can be minimized.
  • the greatest danger here is unintentional opening of the breech of the weapon while it is being used, which is to be prevented by the design of a corresponding breech and the provision of security elements.
  • the DE-A 2 418 915 a closure in which the closure cylinder can be locked or fixed in a locking tube in the axial direction by radially expandable spring washers in the closure sleeve.
  • the locking tube is pivotally fixed in the breech case by means of a thread about the barrel axis and in the locking tube a recess is additionally formed in the direction of the rifle stock, into which the bolt handle engages.
  • the locking tube is screwed in like a screw when the breech is closed, so that the breech cylinder comes into contact with the cartridge base and is locked.
  • a closure is the EP-A 1 764 575 removable, in which the breech has on the one hand a device by means of which the distance between the breech head and the cartridge chamber can be locked independently and on the other hand has a bolt handle coupled to a locking rod, which bolt handle can be pivoted between an open and closed position and is arranged in this way in its closed position that a chain link fixed to the locking rod is held in the closed position by the bolt handle and is also designed in such a way that a through the connection of the At the end of the closing movement of the bolt handle, the bolt bolt formed with the chain link is offset in an axial direction by a distance relative to the axis of the closing rod.
  • a fourth pivot bearing that at least partially penetrates the bolt handle is provided, as well as a locking member that encompasses it and that rests against the inside of the breech arranged free end of the locking rod is arranged forcibly pivoted by pivoting the bolt handle.
  • the present invention now aims to provide a breech for a straight-pull bolt-action rifle that is even safer with regard to unintentional opening of the breech due to the gas pressure occurring when the propellant charge is ignited and, moreover, to adapt the breech in such a way that it can be inserted directly into various straight pull bolt-action rifles, conventional bolt-action rifles and self-loading rifles, in particular straight-pull bolt-action rifles, conventional bolt-action rifles and self-loading rifles with different ammunition calibers.
  • the invention is essentially characterized in that the locking sleeve and the locking rod are designed as a one-piece locking sleeve rod and that a locking spring is provided surrounding the locking sleeve rod and urging the chain link towards its closed position.
  • the design according to the present invention is not only structurally significantly simpler, but surprisingly makes it possible in the small space available inside a locking sleeve to arrange strong spring, which acts so strongly on the chain link towards its closed position that an unintentional opening of the closure is prevented in any case.
  • a closing spring surrounding the locking sleeve rod an automatic locking of the breech in the breech sleeve is effected, in particular when the breech sleeve is correctly arranged in the breech case.
  • the closure is designed in such a way that a stop element for the locking spring, which has at least one pressure relief slot, is also provided on the locking sleeve rod.
  • the closure is designed here in such a way that the stop element has a plurality of preferably three pressure relief slots which are designed as flattened areas on the stop element which are spaced evenly apart from one another.
  • the fact that the stop element is designed with preferably three pressure relief slots, which pressure relief slots form flat areas on the stop element that are evenly spaced from one another, ensures on the one hand that the weight is distributed 100% evenly inside the closure and on the other hand that such a design of the Stop element in addition to a safe pressure relief of the closure this can be taken directly, for example, by tools and held in position, which is advantageous for example when assembling or replacing parts.
  • the lock is designed in such a way that the chain link is articulated both to the bolt handle and to the locking sleeve rod by means of an articulated connection, which means that by providing the pivot bearing, via which the chain link can be connected both to the bolt handle and to the locking sleeve rod is connected, it is possible to provide a further simplification of the construction and in particular it is possible to avoid unintentional opening or closing of the closure with such a chain link provided with a pivot bearing.
  • the breech is designed in such a way that, when the breech is in a closed position, a longitudinal axis of the locking sleeve rod encloses an angle of ⁇ 0° with an axis running through the center points of an articulated connection between the bolt handle and the locking sleeve rod further safety against unintentional opening of the bolt handle by a force acting in the axial direction of the firearm with certainty.
  • the lock is designed in such a way that the locking sleeve rod with the locking head attached and at least two, preferably four clamping jaws is locked in the lock case with a closing spring surrounding the locking sleeve rod.
  • a design of the lock provides greater stability for the overall system, in particular for the lock box and locking sleeve rod unit.
  • the guide length between the breech and the breech head is increased at the same time and not only greater stability of the overall system but also greater precision of the straight-pull bolt-action rifle when shooting is achieved, since the movement possibilities of the locking sleeve rod in the lock box are minimized or largely prevented.
  • the increased guide length also allows the use of a wider locking lever, which in turn prevents unwanted shearing off of the bolt head.
  • the closure is designed in such a way that the locking sleeve rod encloses an angle with a longitudinal axis of the closure of ⁇ 4°, preferably an angle in the range between 3° and 4°.
  • the spring-loaded clamping jaws which hold the locking sleeve rod in the breech case, keep the locking sleeve rod inclined inside the breech case by an angle deviating from 0° in a locked state and thereby further prevent unintentional opening of the breech .
  • the ideal state i.e.
  • the breech is designed in such a way that different breech heads with calibers that differ from one another can be arranged in the breech case, interacting with the locking sleeve rod.
  • a modular construction of a straight-pull bolt-action rifle is possible, i.e. in particular it is possible to adapt one and the same bolt case to a number of different calibers by providing the locking sleeve rod with corresponding bolt heads of different calibers.
  • the lock case is also provided with a spring-loaded push-in lock at its end receiving the lock head, it is ensured that the lock, in particular the locking sleeve rod, cannot be used in the lock case without the associated locking head or, conversely, only a locking head that is correspondingly connected to the locking sleeve rod , is inserted into the locking box.
  • the spring-loaded push-in lock prevents further insertion of the locking sleeve rod or even prevents the bolt head alone from being inserted, so that only correctly assembled parts of the bolt can be used and thus another safety factor for preventing unintentional actuation or release as well as a incorrect assembly of the closure is provided.
  • a breech according to the present invention is particularly suitable for use with ammunition calibers that differ from one another and can therefore, in contrast to known straight-pull bolt-action rifles, be adapted to ammunition of any caliber merely by exchanging the breech head and the associated barrel. Because all parts of the breech are designed in such a way that they can be assembled with those parts whose size depends on the caliber of the ammunition to be fired, such as the diameter of the barrel, without major modifications, Surprisingly, it is possible to provide a breech for a straight-pull bolt-action rifle that is suitable for a wide variety of purposes.
  • the breech could be designed and in particular verified in such a way that it can be adapted to a wide variety of ammunition calibers without major conversion measures and can be fitted with barrels that match the respective ammunition calibers, which is different from conventional ones With a straight pull bolt-action rifle, it is possible to adapt one and the same rifle to a wide variety of ammunition calibers and thus to a wide variety of purposes.
  • breech head a trigger and the like, which are not primarily essential for a simplified representation of the embodiment according to the invention, are not shown.
  • In 1 8 designates a locking sleeve, inside which a locking sleeve rod 9 is guided, the end of which facing away from a barrel is connected to a bolt handle 4 with a chain link 5 interposed.
  • the bolt handle 4 is mounted so that it can pivot between an open and a closed position, with 1 the relaxed clasp is shown.
  • the bolt handle 4 also works together with a firing pin 6 and a firing pin nut 7 .
  • the bolt handle 4 can be pivoted about a pivot point 19 and transferred from the position shown into a cocked position.
  • a roller 20 is also moved along an inclined surface of the firing pin nut 7 and the chain link 5 is subjected to tensile stress and is deflected from the position essentially aligned with the locking sleeve rod 9 by pivoting via pivot point 21 between chain link 5 and bolt handle 4.
  • Both the firing pin 6 and the chain link 5 are coupled to the locking sleeve rod 9, which locking sleeve rod 9 is designed in one piece, i.e.
  • the locking sleeve rod 9 is designed as a single part, with a holding element 22 being arranged on that part of the locking sleeve rod 9 which faces the chamber stem 4 .
  • a locking spring 10 surrounds the locking sleeve rod 9 and is in 1 pressure is applied to the position shown, in that the locking spring 10 is supported on the retaining element 22 that encompasses the locking sleeve rod at least in the region of the end of the spring 10 and is compressed.
  • the stop element 12 is designed in such a way that it has a plurality of flattened areas which act as pressure sensing slots 11 .
  • the pressure relief slots 11 prevent pressure built up inside the shutter 1 from causing the shutter 1 to malfunction and prevent excessive pressure from building up inside the shutter 1.
  • the firing pin spring 28 is also guided and held in the interior of the holding element 22, which is of elongate design and encompasses the locking sleeve rod.
  • This arrangement of the locking sleeve rod 9 in the lock case 2 provides a further safety feature with which an unintentional opening of the lock can be prevented.
  • the clamping jaws 14 are acted upon differently in this case. 4 It can also be seen that in the locked state of the locking sleeve rod 9 it is gripped by the clamping jaws 14 and the locking sleeve rod 9 interacts with a locking head 3 .
  • the locking sleeve rod 9 In the unlocked state, the locking sleeve rod 9 is retracted due to the in Figures 1 to 3 described pivoting of the bolt handle 4 and the resulting pulling effect on the locking sleeve rod 9 via the chain link 5 and the two clamping jaws 14 are not in engagement with the locking sleeve rod 9 in this position and this is therefore not arranged in the spread position inside the breech case 2, but its longitudinal axis coincides with the longitudinal axis of the breech box 2 .
  • the locking sleeve rod 9 is disengaged from the bolt head 3.
  • FIG. 1 shows a further safety feature of the bolt 1 according to the invention, according to which insertion of the bolt 1 without a bolt head 3 as well as insertion of the bolt head 3 into the bolt case 2 without a correct connection to the locking sleeve rod 9 is prevented.
  • this safety feature is a spring-loaded push-in lock 18, which in any case prevents the locking sleeve rod 9 from being pushed in without the bolt head 3 or the bolt head 3 alone being pushed into the bolt case 2 and thus a connection to the cartridge chamber (not shown). Only if the locking head 3 is correctly positioned and connected to the locking sleeve rod 9 can these elements be pushed in and locked in the locking case 2 with the aid of the push-in lock 18 whose closing spring is indicated at 24 .
  • the locking sleeve rod 9 has a spike-shaped extension that fits exactly into a corresponding opening in the breech head 3 .
  • a guide pin 25 is provided on the closure sleeve 8 and can engage in a corresponding recess 26 in the closure head 3 in order to ensure exact positioning of the closure sleeve 8 in relation to the closure head 3 .
  • Locking elements 27 are also provided on the locking head 3 for locking the locking sleeve 8 with the locking head 3 .
  • the breech of the straight-pull bolt-action rifle can additionally have all the safety features that straight-pull bolt-action rifles have.
  • a bolt catch can be mounted on both the right and left and the bolt can be used without conversion for right-handed and left-handed people.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Adornments (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
EP23157449.2A 2022-02-22 2023-02-20 Culasse pour fusil à répétition Pending EP4230950A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50118/2022A AT525581B1 (de) 2022-02-22 2022-02-22 Verschluss für ein geradezug-repetiergewehr

Publications (1)

Publication Number Publication Date
EP4230950A1 true EP4230950A1 (fr) 2023-08-23

Family

ID=85285250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23157449.2A Pending EP4230950A1 (fr) 2022-02-22 2023-02-20 Culasse pour fusil à répétition

Country Status (3)

Country Link
US (1) US20230266080A1 (fr)
EP (1) EP4230950A1 (fr)
AT (1) AT525581B1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418915A1 (de) 1974-04-19 1975-10-23 Ulrich Zedrosser Zylinderverschluss fuer jagd- und sportgewehre
EP1764575A1 (fr) 2005-09-14 2007-03-21 Horst Blaser Culasse
EP2631586A2 (fr) 2012-02-22 2013-08-28 Strasser Maschinenbau GmbH Culasse pour une arme de tir
EP3054260B1 (fr) 2015-02-06 2018-06-06 Strasser Maschinenbau GmbH Culasse d'une arme a feu

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10941993B2 (en) * 2016-10-25 2021-03-09 22 Evolution Llc Radial delayed blowback operating system for a firearm incorporating a rotational inducing profile established between bolt lugs and a mating receiving pattern within the upper receiver or a trunnion installed within the receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418915A1 (de) 1974-04-19 1975-10-23 Ulrich Zedrosser Zylinderverschluss fuer jagd- und sportgewehre
EP1764575A1 (fr) 2005-09-14 2007-03-21 Horst Blaser Culasse
EP2631586A2 (fr) 2012-02-22 2013-08-28 Strasser Maschinenbau GmbH Culasse pour une arme de tir
EP3054260B1 (fr) 2015-02-06 2018-06-06 Strasser Maschinenbau GmbH Culasse d'une arme a feu

Also Published As

Publication number Publication date
AT525581A4 (de) 2023-05-15
AT525581B1 (de) 2023-05-15
US20230266080A1 (en) 2023-08-24

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