EP0863377A2 - Fusil comportant un amortisseur à recul du type à gaz - Google Patents

Fusil comportant un amortisseur à recul du type à gaz Download PDF

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Publication number
EP0863377A2
EP0863377A2 EP98103636A EP98103636A EP0863377A2 EP 0863377 A2 EP0863377 A2 EP 0863377A2 EP 98103636 A EP98103636 A EP 98103636A EP 98103636 A EP98103636 A EP 98103636A EP 0863377 A2 EP0863377 A2 EP 0863377A2
Authority
EP
European Patent Office
Prior art keywords
absorber
bolt
firearm according
guide sleeve
gas cylinder
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.)
Withdrawn
Application number
EP98103636A
Other languages
German (de)
English (en)
Other versions
EP0863377A3 (fr
Inventor
Karl Hoffmann
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.)
JG Anschuetz GmbH and Co KG
Original Assignee
JG Anschuetz GmbH and Co KG
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 JG Anschuetz GmbH and Co KG filed Critical JG Anschuetz GmbH and Co KG
Publication of EP0863377A2 publication Critical patent/EP0863377A2/fr
Publication of EP0863377A3 publication Critical patent/EP0863377A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00—Butts; Butt plates; Stocks
    • F41C23/06—Stocks or firearm frames specially adapted for recoil reduction

Definitions

  • the invention relates to a firearm, in particular a Air rifle with a gas pressure absorber coming from a gas cylinder with in this running piston that is in the direction of its front end position in the gas cylinder acted upon by a spring accumulator is that when the piston moves back under the Gas pressure of the shot is charged.
  • the object of the invention is such an absorber to propose in which the lateral impulse is avoided and the Functional sequence on the gas pressure absorber is optimized.
  • the solution this task is characterized in the claims.
  • the gas pressure absorber is from one at the back of the slide gate subsequent guide sleeve and one in this running absorber bolt formed.
  • a spring mechanism between the rear cylinder pin of the gas cylinder and the piston suitably serves a compression spring. With their spring constant and length can influence the Return behavior of the absorber bolt serving as a piston is taken will. If desired, it is also possible to use the compression spring for returning the absorber bolt to its initial position to use after firing.
  • Another way to influence movement behavior of the piston consists in venting the gas cylinder.
  • a ventilation opening of large cross section is provided and thus ensures that there is no behind the piston builds up a pressure pad which hinders its return.
  • On the other hand is conveniently only one at the front end of the guide sleeve Ventilation hole of smaller cross section provided over the the pressure pad at the front end of the piston when the piston returns only gradually degraded and the return speed reduced becomes.
  • the compression spring already explained also acts here and also the guides of the piston with that during training as a friction ring additionally influence its movement behavior can.
  • the expert has numerous possibilities of influence with which he can monitor the movement behavior of the Influence the running axis of the gas pressure absorber in alignment and the characteristic required for the respective application can give.
  • the Diameter corresponds to the floor diameter.
  • the plunger of the intermediate bolt right up to the Reach the gas supply opening behind the barrel root.
  • Compression spring is also a forced return using the Slider and / or coupled with the cocking lever actuation possible.
  • the invention is illustrated in the drawing, for example and the figure shows partially torn and on average an embodiment of the invention on an air rifle.
  • a locking slide 12 is axial movably connected, in the back aligned with the barrel axis a guide sleeve serving as a gas cylinder of the gas pressure absorber 14 is attached, in the free interior of an absorber bolt 16 is arranged axially movable.
  • the absorber bolt 16 has a slightly smaller one Diameter than the guide sleeve 14. It carries on its front End a guide ring 18 with sealing lips 20, which are elastic to the inner wall of the guide sleeve 14. On his at the rear end, the absorber bolt 16 carries a friction ring 22 with clearances, which when the absorber bolt 16 ventilation of the space at the front end of the guide sleeve 14 allow through the clearances in the friction ring 22 and the sealing lips 20, so that the movement of the absorber bolt 16 does not go through Vacuum at the front end of the guide sleeve 14 is hindered.
  • a compression spring 24 used between the rear end of the absorber bolt 16 and the rear cylinder bottom of the guide sleeve 14 is a compression spring 24 used.
  • a vent 26 of large diameter is provided which the cylinder wall of the guide sleeve 14 breaks through and prevents that when the absorber bolt 16 returns Builds up pressure pad in the guide sleeve 14.
  • vent hole 28 At the front end of the guide sleeve 14 is a vent hole 28 arranged much smaller diameter, which at Return of the absorber bolt 16 in an additional air supply ensures the vacuum space at the front end of the guide sleeve, when the absorber bolt 16 is reset to its initial position but only for a gradual release of the pressure ensures that the return speed of the absorber pin 16th is lowered.
  • the actuation of the absorber bolt 16 is not immediate through the gas pressure, but via an intermediate bolt 30.
  • This can also be aligned with the barrel axis or is as in the embodiment shown, slightly offset to the side arranged to the barrel axis and axis of the absorber bolt 16.
  • the diameter of the intermediate bolt 30th corresponds to the floor diameter. To the operator serving intermediate bolt 13 and the floor of the floor therefore acts an equally large driving force. Through the intermediate bolt 30 the effectiveness of the gas pressure absorber is increased considerably. Of the Intermediate bolt 30 runs smoothly in a for him in the slide 12 provided bore, but due to no length of its own installation and return to the Starting position.
  • valve 36 When the shot is fired by pressing the hammer 34 opens a valve 36, which is in the slide valve 12 appropriately positioned transverse bore 38 the gas pressure builds up in a chamber 40 behind the barrel root. In order to is simultaneously with the projectile driven out by the barrel, but counter to this via the intermediate bolt 30 of the absorber bolt 16 moves.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP98103636A 1997-03-03 1998-03-02 Fusil comportant un amortisseur à recul du type à gaz Withdrawn EP0863377A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29703824U DE29703824U1 (de) 1997-03-03 1997-03-03 Schußwaffe mit einem Gasdruckabsorber
DE29703824U 1997-03-03

Publications (2)

Publication Number Publication Date
EP0863377A2 true EP0863377A2 (fr) 1998-09-09
EP0863377A3 EP0863377A3 (fr) 2000-05-24

Family

ID=8036869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98103636A Withdrawn EP0863377A3 (fr) 1997-03-03 1998-03-02 Fusil comportant un amortisseur à recul du type à gaz

Country Status (2)

Country Link
EP (1) EP0863377A3 (fr)
DE (1) DE29703824U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406420B8 (de) * 1997-10-31 2000-07-25 Steyr Daimler Puch Ag Druckgaswaffe mit rückstossausgleich

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH93318A (de) * 1919-05-17 1922-03-16 Ludorf Ernst Maschinenkanone mit Rückstoss-Selbstladeeinrichtung.
FR1316053A (fr) * 1962-02-05 1963-01-25 Westinger & Altenburger Arme à air comprimé
US4335644A (en) * 1979-09-14 1982-06-22 Goes Michael J Fluidic recoil buffer for small arms

Also Published As

Publication number Publication date
EP0863377A3 (fr) 2000-05-24
DE29703824U1 (de) 1997-05-22

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