EP0130355B1 - Amortisseur de culasse pour arme à feu automatique - Google Patents

Amortisseur de culasse pour arme à feu automatique Download PDF

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Publication number
EP0130355B1
EP0130355B1 EP84105996A EP84105996A EP0130355B1 EP 0130355 B1 EP0130355 B1 EP 0130355B1 EP 84105996 A EP84105996 A EP 84105996A EP 84105996 A EP84105996 A EP 84105996A EP 0130355 B1 EP0130355 B1 EP 0130355B1
Authority
EP
European Patent Office
Prior art keywords
buffer
chamber
piston
chambers
der
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.)
Expired
Application number
EP84105996A
Other languages
German (de)
English (en)
Other versions
EP0130355A1 (fr
Inventor
Werner Bosshard
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of EP0130355A1 publication Critical patent/EP0130355A1/fr
Application granted granted Critical
Publication of EP0130355B1 publication Critical patent/EP0130355B1/fr
Expired 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
    • F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
    • F41A3/78—Bolt buffer or recuperator means
    • F41A3/90—Fluid buffers
    • F41A3/94—Fluid buffers in combination with spring buffers

Definitions

  • the invention relates to a locking buffer for an automatic firearm according to the preamble of claim 1.
  • the elastic element consists of a steel spring.
  • the device serves as a liquid brake for the weapon barrel of a firearm and not as a locking buffer for a firearm.
  • a machine gun with a movable barrel is also known (see DE-C-695,584), which has ring springs for braking the forward and return of a barrel.
  • the object which is to be achieved with the present invention is to provide a closure buffer which does not have the shortcomings of the known closure buffer, which therefore has a longer service life, is easier to use, in which a compressed air source is no longer required and the existing one Fluid pressure and the amount of fluid present are easily recognizable.
  • the longer lifespan is achieved in particular by avoiding hard impacts from damping elements.
  • the present invention aims to provide a closure buffer which no longer has the three disadvantages mentioned above.
  • the remaining liquid pressure and the remaining liquid quantity should be displayed.
  • damping and sealing of the parts movably arranged in the closing buffer, in particular the buffer piston, are to be improved.
  • the closure buffer according to the invention also has the features in the characterizing part of the claim.
  • the closure buffer 10 has a buffer housing 11 in which there are two cylindrical chambers 12 and 13, the axes of which are directed parallel to one another.
  • a sleeve 14 is inserted, in which a buffer piston 15 is slidably guided.
  • the sleeve 14 is closed by a cover 16 which has an opening through which the left end of the buffer piston 15 projects.
  • a rebound buffer 17 which consists of three spring washers 18, 19 and 20, of which the two spring washers 18 and 20 rest with their outer conical surface on an inner conical surface of the spring ring 19.
  • the spring ring 18 is supported with an end face via a ring 21 on the cover 16 and the spring ring 20 is supported with an end face via a ring 22 on a shoulder of the buffer piston 15.
  • the buffer piston 15 has three annular grooves each with a metallic sealing ring 23, respectively. a guide ring 24 made of plastic, respectively. two sealing rings 25 and 26, also made of plastic.
  • a pressure piston 27 is slidably guided, to which a piston rod 28 is attached, which projects through a cup-shaped cover 29.
  • the piston rod 28 is surrounded by a plate spring assembly 30.
  • This plate spring assembly 30 consists of a number of spring plates 31, 32, which have a conical inside and a conical outside, two spring plates 31 with their inside directed against the piston 27 and two adjacent spring plates 32 with their outside directed against the piston 27 are.
  • the plate spring assembly 30 is supported at one end on the pressure piston 27 and at the other end on the cover 29, which is screwed into the buffer housing 11.
  • the piston 27 and the piston rod 28 have a central bore 33 which is closed at one end by a pin 34.
  • the two chambers 12 and 13 are connected to one another via a check valve 35, this check valve 35 only allowing hydraulic fluid to pass from the second chamber 13 into the first chamber 12, or in other words, the check valve 35 only opens against the first chamber 12.
  • This check valve 35 has a ball 36 which can close an axial bore 37 in a pin 38.
  • a pin 39 fastened in the pin 38 prevents the ball 36 from falling out of the check valve 35.
  • the pin 38 also has a transverse bore 40 which penetrates the aforementioned axial bore 37 so that liquid can flow from one bore into the other bore.
  • the transverse bore 40 is connected to the chamber 13 via a channel 41 and the axial bore 37 is connected to the chamber 12 via a channel 42.
  • the pin 38 has a thread 43 and is screwed into the buffer housing 11.
  • the thread 43 allows relatively little liquid to pass from the channel 42 into the channel 41, even if the ball 36 completely seals the bore 37, provided the pressure in the chamber 12 is significantly higher than in the chamber 13.
  • the piston 27 has two annular grooves in which a guide ring 45, respectively. a sealing ring 44 is located.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Toys (AREA)
  • Vibration Dampers (AREA)

Claims (1)

  1. Amortisseur de culasse pour arme à feu automatique comportant :
    un boîtier d'amortisseur (11),
    deux chambres (12, 13) dans le boîtier d'amortisseur (11),
    un élément élastique (30) dans la seconde chambre (13),
    une soupape d'arrêt (35) qui relie les deux chambres (12, 13) et s'ouvre seulement vers la première chambre (12),

    caractérisé en ce que :
    l'élément élastique (30) est constitué d'un piston coulissant (27) logé dans la seconde chambre (13) et-chargé par un paquet de ressorts Belleville (30),
    en ce que la première chambre (12) contient un amortisseur de rebondissement (17) formé d'un certain nombre de bagues élastiques (18, 19, 20),
    le piston d'amortisseur (15) comporte un joint de guidage entre deux joints d'étanchéité (23, 26),
    le paquet de ressorts Belleville (30) servant à indiquer la pression du liquide sert également à mesurer la pression et est à cet effet réalisé comme ressort de mesure,
    en ce que pour précontraindre le paquet de ressorts Belleville (30), on a un couvercle (29) qui peut se visser dans le boîtier (11) de l'amortisseur, couvercle qui sert en même temps à indiquer le degré de remplissage du liquide contenu dans les chambres (12, 13).
EP84105996A 1983-07-05 1984-05-24 Amortisseur de culasse pour arme à feu automatique Expired EP0130355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3681/83 1983-07-05
CH368183 1983-07-05

Publications (2)

Publication Number Publication Date
EP0130355A1 EP0130355A1 (fr) 1985-01-09
EP0130355B1 true EP0130355B1 (fr) 1987-07-29

Family

ID=4261228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105996A Expired EP0130355B1 (fr) 1983-07-05 1984-05-24 Amortisseur de culasse pour arme à feu automatique

Country Status (8)

Country Link
US (1) US4558628A (fr)
EP (1) EP0130355B1 (fr)
JP (1) JPS60155899A (fr)
BR (1) BR8403332A (fr)
DE (1) DE3465143D1 (fr)
ES (1) ES8505099A1 (fr)
GR (1) GR81596B (fr)
IL (1) IL72107A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3612098A1 (de) * 1985-05-03 1986-11-06 Werkzeugmaschinenfabrik Oerlikon-Bührle AG, Zürich Verschlusspuffer fuer eine automatische feuerwaffe
US5983549A (en) * 1998-07-24 1999-11-16 O. F. Mossberg & Sons, Inc. Inertial cycling system for firearms
US5941005A (en) * 1998-07-25 1999-08-24 O.F. Mossberg & Sons, Inc. Safety and bolt assembly system for firearms
US6192780B1 (en) * 1999-03-29 2001-02-27 Bryan S. Schneider Forward receiver buffer
ATE292780T1 (de) * 2002-03-01 2005-04-15 Contraves Ag Federvorrichtung für feuerwaffe und feuerwaffe
US6848351B1 (en) * 2002-05-07 2005-02-01 Robert B. Davies Rifle
US6758126B1 (en) * 2003-03-24 2004-07-06 The United States Of America As Represented By The Secretary Of The Army Apparatus for initially slowly a backwards movement of a bolt group
GB2423568B (en) * 2005-02-23 2007-02-14 Simon Trendall A hydraulic breech mechanism for firearms
US9408428B2 (en) * 2010-12-23 2016-08-09 Gaudet Machine Works Inc. Force limiting device
US10208828B2 (en) * 2012-12-20 2019-02-19 Gaudet Machine Works Inc. Hydraulic damper
US10557674B1 (en) * 2018-10-11 2020-02-11 Dimitrios Mantas Buffer assembly for firearms
US10627191B1 (en) * 2019-01-18 2020-04-21 American Defense Manufacturing, Llc Pivoting mount for attaching an accessory to a weapon
US10634456B1 (en) 2019-01-18 2020-04-28 American Defense Manufacturing, Llc Mount for attaching an accessory to a weapon
US10627192B1 (en) 2019-01-18 2020-04-21 American Defense Manufacturing, Llc Detented pivoting mount for attaching an accessory to a weapon

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE695584C (de) * 1933-11-05 1940-08-28 Mauser Werke Ag Maschinenwaffe mit beweglichem Lauf
DE737264C (de) * 1936-11-08 1943-07-09 Krupp Ag Mit einem Kolbenverschluss versehene selbsttaetige Feuerwaffe mit Rohrruecklauf und Vorholeinrichtung
DE710302C (de) * 1938-01-07 1941-09-10 Rheinmetall Borsig Akt Ges Fluessigkeitsbremse fuer Feuerwaffen
GB577010A (en) * 1941-05-30 1946-05-01 Spirito Mario Viale Improvements in or relating to buffers or cushioning devices for machine guns
US2496323A (en) * 1943-12-15 1950-02-07 Edwin H Waltke Buffer
US2715856A (en) * 1951-05-11 1955-08-23 Alexander E Kramer Inclosed concentric recoil mechanism to facilitate replacement of gun tubes
NL224361A (fr) * 1957-02-08
CH582342A5 (en) * 1974-03-28 1976-11-30 Oerlikon Buehrle Ag Breech block buffer for automatic firearm - has chambers with connecting restrictor valve for adjusting firing frequency
DE2921542A1 (de) * 1979-05-28 1980-12-04 Alfons Georg Zeis Hydraulischer verschluss fuer automatische waffen

Also Published As

Publication number Publication date
JPS60155899A (ja) 1985-08-15
ES533997A0 (es) 1985-04-16
DE3465143D1 (en) 1987-09-03
GR81596B (fr) 1984-12-11
US4558628A (en) 1985-12-17
ES8505099A1 (es) 1985-04-16
IL72107A (en) 1989-08-15
JPH0356400B2 (fr) 1991-08-28
EP0130355A1 (fr) 1985-01-09
BR8403332A (pt) 1985-06-18

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