EP0911599B1 - Gedämpfte Federeinrichtung für eine Schusswaffe - Google Patents
Gedämpfte Federeinrichtung für eine Schusswaffe Download PDFInfo
- Publication number
- EP0911599B1 EP0911599B1 EP98107982A EP98107982A EP0911599B1 EP 0911599 B1 EP0911599 B1 EP 0911599B1 EP 98107982 A EP98107982 A EP 98107982A EP 98107982 A EP98107982 A EP 98107982A EP 0911599 B1 EP0911599 B1 EP 0911599B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elastomer
- spring
- barrel
- elastomer body
- spring device
- 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 - Lifetime
Links
Images
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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/10—Spring-operated systems
Definitions
- the invention relates to a damped spring device for a self-loading handgun, with a forward spring, the two between each other from a rest position approachable components is attached, according to Preamble of Claim 1.
- a weapon is out U.S.-A-5,060,555.
- the damping depends on the force exerts the spring on the barrel or sleeve, and is therefore weakest especially in the area of the rest position.
- the known brake is indeed very reliable known, but only if the known shotgun is used under normal hunting conditions. Already a completely oil-free magazine tube leads because of the then dry friction and thus too high Braking effect to inhibit charging. For use under Exposure to sand and mud - less common with hunting weapons, common with military weapons - is unthinkable.
- the invention is the Task based on a damped spring device for a To find a firearm, especially a handgun, the simple, easy, inexpensive, maintenance free and is stable.
- the forward spring is designed as an elastomer body in the rest position rests on the components under pre-tension.
- elastomer bodies as a buffer about The end stop of the lock has long been known e.g. from the Russian submachine gun PPSh 41, but it has been found with these weapons that the elastomer body will thresh over time as well as aggressive weapon lubricants and cleaning agents does not withstand in the long run and is therefore unusable becomes. However, they are now chemically resistant Elastomers have become known. Buffers or dampers made of elastomer material are also from FR-A 1 172 438, US-A-3 501,997 and US-A 3,301,335.
- elastomers generally have the inherent property the hysteresis, d. H. those for resilient deformation energy used is not fully recovered when springing back returned again, but part of this Energy is consumed and occurs as the heating of the elastomer body in appearance.
- An elastomer body works So like a damped spring device, without a separate one Need to brake. It is at the discretion of the Expertly asked, with known properties of Select elastomers one that not only meets the requirements chemical and temporal stability, but the hysteresis is also sufficient. This usually occurs the higher the hysteresis, the higher the frequency Deflection of the elastomer body is; at the impulsive Shock load to be expected with firearm parts is, therefore, consumes considerable energy expected.
- the elastomer body made of supported elastomer elements is formed (claim 2).
- an elastomer material is incompressible, like a liquid; the elastomer body needed therefore an escape space into which it is pushed, if he should give in to a pressure load. It can however, it deforms beyond its strength limits and will be threshed, as with the known elastomer buffers was the case.
- the elastomer body be made of a closed-pore, preferably fine-pore elastomer exists and in one of it essentially entirely filled cavity enclosed by the Movement of the components can be reduced (claim 3).
- the pipe route may be enlarged, if necessary Cavity in the "starting position" of the weapon is not complete to be filled in by the elastomer body.
- the gas trapped in the closed pores is compressible, is also such a porous elastomer compressible depending on the pore volume.
- the elastomer body has a closed, fills the shrinking cavity, reinforces the spring constant with increasing compression, so that the elastomer body has an end stop for the Return movement can form, similar to a spiral spring made of steel, which is compressed so far that gear sitting in the aisle.
- an inadmissible prevents harmful deformation of the elastomer body.
- Porous elastomers are known (e.g. the cellular polyurethane elastomer, that of the BASF Group under the Trade name “Cellastoll” is distributed), which in addition to the required chemical and temporal stability less than 40% of their initial volume compressible are.
- a closed Cavity such as in one of a movable piston closed cylinder space, which is against the cavity contact surface of the elastomer body in the area, which is dislocated by the spring movement, so about in the area near the piston, a relative movement along the wall of the cavity.
- a closed Cavity such as in one of a movable piston closed cylinder space
- the elastomer body is increasingly compressed, it is against pressed this wall and exercises against this wall a braking effect, the stronger the more the Elastomer body is compressed.
- the elastomer body thus acts not just as a pen and as a result of hysteresis Damping element, but also as a mechanical Brake element, which, however, hardly exposed to pollution is because it is effective within the closed cavity is.
- the spring device according to the invention can on a handgun can be used wherever the overall length and housed the volume occupied by the elastomer body can be used as a closing spring Self-loading rifle with the elastomer body in the butt stock sitting.
- the inner cylinder wall of one is preferred axially movable barrel wall and the outer one rigid housing part formed (claim 5), and the spring device serves to return the one after the shot Self-loading rifle barrel regardless of the Closure associated closing spring back into its front Able to spend and stop there. This surrounds the elastomer body runs when it is in its Rest position is with little play, so that the free Swinging the barrel when the shot is not affected. Of course, this is not absolutely necessary.
- the outer housing part is required anyway in order to Store barrel near the mouth and around a hand guard form so that the spring device according to the invention the total weight and cost price of the weapon only the weight and the cost price of the elastomer body elevated.
- the barrel and outer housing part preferably consist of corrosion-resistant materials.
- an outer tube 1 is shown opposite the gun housing (not shown) fixed is and concentrically surrounds a barrel 3, at the rear end (in the drawing on the right end) Locking piece 15 is firmly attached.
- the outer tube 1 has a stop at its rear end 5, against which the locking piece 15 in the Rest position of the barrel 3 with a buffer disk 7, those on barrel 3, on locking piece 15, on outer tube 1 or can be attached to the stop 5.
- the stop 5 thus determines the front end position of barrel 3.
- the outer tube 1 is beyond half of the barrel 3 elongated to the front and is at its front end with a concentric guide bush 9 made of aluminum screwed.
- the guide bush 9 has on its rear End a radially inwardly extending flange on.
- the outer tube points approximately at the middle of its length 1 a radially inwardly extending annular collar 19 on.
- a thin-walled piston 11 pushed on the one at its front end Collar and at its rear end an outer flange having.
- the waistband engages behind a paragraph on the outside of the barrel and determines the position of the piston 11 firmly.
- the outer flange engages behind the radially inward extending flange of the guide sleeve 9. Otherwise the piston 11 has a cylindrical outer surface
- the piston 11 has a cylindrical outer surface on which the radially inwardly extending Run the flange of the guide sleeve 9 along with little play can.
- This flange and the stop 5 are the housing-fixed elements, which in the rest position the exact Ensure alignment of barrel 3.
- a cylindrical ring-shaped nut 13 is open from the front screwed on the muzzle and presses with its rear End the front collar of the piston 11 against the paragraph on Run 3 on.
- an elastomer sleeve arrangement 17 arranged, which concentrically surrounds the barrel 3.
- This elastomer bushing assembly 17 is when tightened brought the mother 13 under slight bias and surrounds run 3 with little play. It can be from one consist of a single cylinder-shaped elastomer element, or, as shown in the drawing, from several, stacked elastomer rings.
- the elastomer rings 17 consist of fine-celled polyurethane, this in turn due to the compressible cell volumes is compressible and thus compresses axially tries to expand radially, but radially can keep its shape if the boundary walls expand prevent.
- the elastomer rings 17 fill the cylindrical ring Space between the outer tube 1 and the barrel 3 and axially practical between the piston 11 and the collar 19 completely, but not glued to one of the walls or to be connected in some other way. So no dirt can get in penetrate this space.
- the outer tube 1 faces outside of the elastomer sleeve arrangement 17 taken longitudinal section as well like the guide sleeve 9 openings for cooling and / or for weight loss. So much for the elastomer sleeve arrangement 17 as a result of several, in quick succession Suspension processes is heated, cooling takes place by means of heat transfer through the wall of runs 3 and Outer tube 1.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Polymerisation Methods In General (AREA)
Description
- Fig. 1
- einen Axialschnitt durch den Lauf eines Selbstladegewehres, der in einem Außenrohr gefedert axialbeweglich gelagert ist, in Ruhelage, und
- Fig. 2
- die Anordnung der Fig. 1, bei vollem Rücklauf.
Claims (5)
- Gedämpfte Federeinrichtung für eine Selbstlade-Handfeuerwaffe, mit einer Vorhol-Feder, die zwischen zwei aus einer Ruhelage heraus zueinander annäherbaren Bauteilen angebracht ist, dadurch gekennzeichnet, daß die Vorholfeder als Elastomerkörper (17) ausgebildet ist, der in der Ruhelage unter Vorspannung an den Bauteilen (11, 19) anliegt.
- Federeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Elastomerkörper (17) aus aufeinander abgestützten Elastomerelementen gebildet ist.
- Federeinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Elastomerkörper (17) aus einem geschlossenporigen, bevorzugt feinporigen Elastomer besteht und in einen von ihm im wesentlichen gänzlich ausgefüllten Hohlraum eingeschlossen ist, der durch die Bewegung der Bauteile (11, 19) verkleinerbar ist.
- Federeinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Hohlraum von zwei konzentrischen Zylinderwänden (1, 3) begrenzt ist, von denen jeweils eine mit einem der Bauteile (11, 19) verbunden ist.
- Federeinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die innere Zylinderwand von einer axialbeweglichen Laufwandung (3) und die äußere von einem starren Gehäuseteil (1) gebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19746643A DE19746643C2 (de) | 1997-10-22 | 1997-10-22 | Gedämpfte Federeinrichtung für eine Schußwaffe |
DE19746643 | 1997-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0911599A1 EP0911599A1 (de) | 1999-04-28 |
EP0911599B1 true EP0911599B1 (de) | 2002-07-24 |
Family
ID=7846286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98107982A Expired - Lifetime EP0911599B1 (de) | 1997-10-22 | 1998-04-30 | Gedämpfte Federeinrichtung für eine Schusswaffe |
Country Status (6)
Country | Link |
---|---|
US (1) | US6196108B1 (de) |
EP (1) | EP0911599B1 (de) |
AT (1) | ATE221182T1 (de) |
CA (1) | CA2251296C (de) |
DE (2) | DE19746643C2 (de) |
ZA (1) | ZA986615B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008089895A1 (de) | 2007-01-22 | 2008-07-31 | Heckler & Koch Gmbh | Waffe mit rückstossdämpfung |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6664456B2 (en) * | 2001-04-03 | 2003-12-16 | Philip Momchilovich | Harmonic vibration damping device for musical instruments and firearms |
US6497170B1 (en) * | 2001-07-05 | 2002-12-24 | The United States Of America As Represented By The Secretary Of The Army | Muzzle brake vibration absorber |
US20050132875A1 (en) * | 2002-09-04 | 2005-06-23 | Johannes Murello | Locked automatic and semi-automatic firearms |
US9038524B2 (en) * | 2002-06-07 | 2015-05-26 | Kriss Systems Sa | Firearm with enhanced recoil and control characters |
CA2810509C (en) | 2002-06-07 | 2015-02-03 | Kriss Systems Sa | Recoil control device |
US7201094B2 (en) | 2002-06-07 | 2007-04-10 | Gamma Kdg Systems Sa | Firearm with enhanced recoil and control characteristics |
US7698987B2 (en) * | 2002-06-07 | 2010-04-20 | Gamma Kdg Systems Sa | Heavy caliber firearm with enhanced recoil and control characteristics |
US6732466B2 (en) * | 2002-08-19 | 2004-05-11 | James K. Bentley | Recoil system for the receiver of a firearm |
US6889462B1 (en) * | 2003-09-05 | 2005-05-10 | Robert M. Bayer | Harmonic stabilizer system for rifle barrel and a rifle equipped therewith |
DE102007034671A1 (de) | 2007-07-25 | 2009-01-29 | Heckler & Koch Gmbh | Rohrführungsanordnung, Waffenrohranordnung und Bremsfederanordnung |
US9217614B2 (en) * | 2011-02-11 | 2015-12-22 | Jorge Pizano | Firearm having an articulated bolt train with transversally displacing firing mechanism, delay blowback breech opening, and recoil damper |
US10139182B2 (en) | 2015-04-08 | 2018-11-27 | Guajilla Hunting Products, LLC | Force damping shooting rest system and method |
JP2017129306A (ja) * | 2016-01-20 | 2017-07-27 | 晃久 古庄 | 低反動銃火器 |
US20200141682A1 (en) * | 2017-12-08 | 2020-05-07 | James Eric McMillan | Concentric rifle barrel assembly |
WO2019113591A1 (en) * | 2017-12-08 | 2019-06-13 | James Eric Mcmillan | Concentric rifle barrel assembly |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US168346A (en) * | 1875-10-05 | Improvement in breech-loading ordnance | ||
GB520929A (en) * | 1938-11-04 | 1940-05-07 | Webley & Scott Ltd | Improvements connected with the use of signal pistols on air-craft and other rapidly moving vehicles |
GB521272A (en) * | 1938-11-10 | 1940-05-16 | Kenneth Bowen | Signal pistol mounting for use on aircraft |
US2381130A (en) * | 1943-01-25 | 1945-08-07 | Eurcka Vacuum Cleaner Company | Aircraft pyrotechnic |
FR1172438A (fr) * | 1957-03-05 | 1959-02-10 | Luxembourg Brev Participations | Perfectionnements apportés aux systèmes tels que ceux pour absorber l'énergie de recul des armes à feu |
US3115063A (en) * | 1961-06-27 | 1963-12-24 | Browning Ind Inc | Recoil absorbing mechanism for firearms |
US3301335A (en) * | 1964-04-20 | 1967-01-31 | Thomas E Snelling | Energy absorbing structure |
US3225656A (en) * | 1964-09-14 | 1965-12-28 | John T Flaherty | Field rifle rest |
US3387538A (en) * | 1966-09-19 | 1968-06-11 | Browning Ind Inc | Barrel recoil structure for firearms |
US3491473A (en) * | 1968-01-08 | 1970-01-27 | Edward H Eastin | Cushioned gun stock |
US3501997A (en) * | 1968-03-21 | 1970-03-24 | Us Army | Dynamic force attenuator for a mortar |
DE2231543A1 (de) * | 1972-06-28 | 1974-01-10 | Horst Dr Ing Komossa | Schaftkappe fuer waffen, insbesondere grosskalibrige jagd- und sportgewehre |
US4732075A (en) * | 1986-08-14 | 1988-03-22 | Hurd Bruce W | Elastomeric buffer unit for a weapon recoil system |
US5060555A (en) * | 1990-03-30 | 1991-10-29 | Smith & Wesson Corp. | Slide decelerator for a firearm |
US5076139A (en) * | 1990-08-29 | 1991-12-31 | Hiett Charles A | Buffer for firearms |
DE19524418C2 (de) * | 1995-07-05 | 1997-05-07 | Rainer Hedler | Rückstoßverzögerung für Feuerwaffen |
-
1997
- 1997-10-22 DE DE19746643A patent/DE19746643C2/de not_active Expired - Fee Related
-
1998
- 1998-04-30 AT AT98107982T patent/ATE221182T1/de not_active IP Right Cessation
- 1998-04-30 EP EP98107982A patent/EP0911599B1/de not_active Expired - Lifetime
- 1998-04-30 DE DE59804864T patent/DE59804864D1/de not_active Expired - Lifetime
- 1998-07-24 ZA ZA986615A patent/ZA986615B/xx unknown
- 1998-10-16 US US09/173,832 patent/US6196108B1/en not_active Expired - Fee Related
- 1998-10-21 CA CA002251296A patent/CA2251296C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008089895A1 (de) | 2007-01-22 | 2008-07-31 | Heckler & Koch Gmbh | Waffe mit rückstossdämpfung |
DE102007003180A1 (de) | 2007-01-22 | 2008-07-31 | Heckler & Koch Gmbh | Waffe mit Rückstoßdämpfung |
DE102007003180B4 (de) * | 2007-01-22 | 2009-01-08 | Heckler & Koch Gmbh | Waffe mit Rückstoßdämpfung |
Also Published As
Publication number | Publication date |
---|---|
DE59804864D1 (de) | 2002-08-29 |
ZA986615B (en) | 1999-02-11 |
DE19746643C2 (de) | 2001-04-19 |
ATE221182T1 (de) | 2002-08-15 |
CA2251296A1 (en) | 1999-04-22 |
DE19746643A1 (de) | 1999-05-06 |
US6196108B1 (en) | 2001-03-06 |
EP0911599A1 (de) | 1999-04-28 |
CA2251296C (en) | 2004-08-10 |
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