US1538561A - Practice cartridge - Google Patents

Practice cartridge Download PDF

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Publication number
US1538561A
US1538561A US672016A US67201623A US1538561A US 1538561 A US1538561 A US 1538561A US 672016 A US672016 A US 672016A US 67201623 A US67201623 A US 67201623A US 1538561 A US1538561 A US 1538561A
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US
United States
Prior art keywords
cartridge
cartridges
bushing
projection
practice
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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
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US672016A
Inventor
Koller Josef
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Individual
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Individual
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Filing date
Publication date
Priority to CH102783D priority Critical patent/CH102783A/en
Application filed by Individual filed Critical Individual
Priority to US672016A priority patent/US1538561A/en
Application granted granted Critical
Publication of US1538561A publication Critical patent/US1538561A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/10—Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels

Definitions

  • ' I may 3 .9, 15925;
  • This invention has for its object to provide an improved means for enabling miniature cartridges to be used in rifles and other small-arms, said means being of a very simple structure and affording the use of miniature cartridges in rifles and other small arms in a very etlicient manner.
  • Fig.- 1 is a longitudinal section of a means for using rim firing cartridges
  • Fig. 2 is a partial similar section of a means for using centrally firing cartridges.
  • Fig. 1 a is a bi-parted tubular bushing or lining designed to fit the chamber of a rifle or other small arm and upon which tightening rings 2') of leather or other material are placed.
  • the front portion of the bushing or lining has a reduced cylindrical projection 70 upon which the back portion 0 of the bushing or lining is axially movable and of which the portion 0 may be removed.
  • the removable back portion 0 has a narrow bore to receive the miniature cartridge 6 and a Wide bore to receive a plug 9 having two projections h at its forward end for contact with the rim of the cartridge 6 upon the actuation of the striker 2' of the fire arm on the plug 9.
  • the back portion 0 also has a groove at its rear end which is adapted to be engaged by the extractor (not shown).
  • the extractor not shown.
  • the back portion 0 is removed from the projection k of the front part of the bushing, so that the spent cartridge may be easily removed and a fresh cartridge insorted, whereupon the back part will be pushed forwardly upon the projection 76 by the breech bolt.
  • the front portion of the bushing occupies this position as long as shooting with miniature cartridges is de sired.
  • h Ieans for enabling miniature cartridges to be used in rifles and other small-arms, comprising a bi-parted tubular bushing designed to fit the chamber of a small arm including a front portion having a reduced cylindrical projection, and a rear portion slidable on the projection and removable therefrom, the rear portion. also having a bore to receive a cartridge and an annular 7O groove adapted to be engaged by the extractor of the rifle so that the back portion may be withdrawn from the front portion when the breech bolt of the rifle is retracted.

Description

' I may 3 .9, 15925;
' KOLLER PRACTICE CARTRIDGE Filed 00f 31. 1923 Fg-Z ?atented May 19, 1925.
PATENT JOSEF KOLLER, OF LUCERNE, SWITZERLAND.
PRACTICE CARTRIDGE.
Application filed October 31, 1923. Serial No. 672,616.
T 0 all whom it may concern:
Be it known that I, Josnr Konnnn, a citizen of the Republic of Switzerland, residing at Lucerne, in the Canton of Lucerne, Republic of Switzerland. have invented certain new and useful Improvements in Practice Cartridges of which the following is a specification.
This invention has for its object to provide an improved means for enabling miniature cartridges to be used in rifles and other small-arms, said means being of a very simple structure and affording the use of miniature cartridges in rifles and other small arms in a very etlicient manner. With these objects in view the invention consists in the novel details of construction and combination of parts more fully hereinafter disclosed and particularly pointed out in the claim.
Referring to the accompanying drawing forming part of this specification, in which like numerals designate like parts Fig.- 1 is a longitudinal section of a means for using rim firing cartridges and Fig. 2 is a partial similar section of a means for using centrally firing cartridges.
In Fig. 1 a is a bi-parted tubular bushing or lining designed to fit the chamber of a rifle or other small arm and upon which tightening rings 2') of leather or other material are placed. The front portion of the bushing or lining has a reduced cylindrical projection 70 upon which the back portion 0 of the bushing or lining is axially movable and of which the portion 0 may be removed. The removable back portion 0 has a narrow bore to receive the miniature cartridge 6 and a Wide bore to receive a plug 9 having two projections h at its forward end for contact with the rim of the cartridge 6 upon the actuation of the striker 2' of the fire arm on the plug 9. The back portion 0 also has a groove at its rear end which is adapted to be engaged by the extractor (not shown). When the breech bolt of the fire arm is drawn backwardly, the back portion 0 is removed from the projection k of the front part of the bushing, so that the spent cartridge may be easily removed and a fresh cartridge insorted, whereupon the back part will be pushed forwardly upon the projection 76 by the breech bolt. The front portion of the bushing occupies this position as long as shooting with miniature cartridges is de sired.
In the modification shown by Fig. 2 the projection 7c of the front portion of the bush ing is elongated and adapted to receive a centrally firing cartridge d hat I claim is:
h Ieans for enabling miniature cartridges to be used in rifles and other small-arms, comprising a bi-parted tubular bushing designed to fit the chamber of a small arm including a front portion having a reduced cylindrical projection, and a rear portion slidable on the projection and removable therefrom, the rear portion. also having a bore to receive a cartridge and an annular 7O groove adapted to be engaged by the extractor of the rifle so that the back portion may be withdrawn from the front portion when the breech bolt of the rifle is retracted.
In testimony whereof I have aflixed my signature in presence of two witnesses.
JOSEF KOLLER.
I/Vitnesses HERMANN HUBER, A. F. OALvonN.
US672016A 1923-10-31 1923-10-31 Practice cartridge Expired - Lifetime US1538561A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH102783D CH102783A (en) 1923-10-31 1923-02-01 Facility to be able to fire small ammunition from order rifles and trunks etc. for target practice purposes.
US672016A US1538561A (en) 1923-10-31 1923-10-31 Practice cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US672016A US1538561A (en) 1923-10-31 1923-10-31 Practice cartridge

Publications (1)

Publication Number Publication Date
US1538561A true US1538561A (en) 1925-05-19

Family

ID=24696808

Family Applications (1)

Application Number Title Priority Date Filing Date
US672016A Expired - Lifetime US1538561A (en) 1923-10-31 1923-10-31 Practice cartridge

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US (1) US1538561A (en)
CH (1) CH102783A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799108A (en) * 1954-04-16 1957-07-16 Rauset Fasteners Inc Cartridge extractors
US2812713A (en) * 1955-05-24 1957-11-12 Archie L Fitzsimmons Low velocity practice cartridge for firearms
DE1099397B (en) * 1956-11-20 1961-02-09 Andre Losfeld Insert barrel for gun barrels, Moerser u. like
US4713903A (en) * 1986-06-02 1987-12-22 Kolar Arms Choke assemblies for shotguns
US5729927A (en) * 1996-03-22 1998-03-24 Shaver, Jr.; Gerald Lee Firearm adapter device and cartridge carrier for use therein
US6145440A (en) * 1997-06-05 2000-11-14 Simbal Ab Training weapon system
WO2006120421A1 (en) * 2005-05-10 2006-11-16 Utm Ip Limited Training cartridge, gun barrel insert & assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392351A1 (en) * 1977-04-07 1978-12-22 Villadere Ets G Extractor for ball cartridge fired from adapted shotgun - has ring placed over cartridge and cooperating with shotgun ejector
DE10021296B4 (en) * 2000-05-02 2006-05-18 Michael Rein Device for barrel reduction for a firearm and adapter sleeve for ammunition

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799108A (en) * 1954-04-16 1957-07-16 Rauset Fasteners Inc Cartridge extractors
US2812713A (en) * 1955-05-24 1957-11-12 Archie L Fitzsimmons Low velocity practice cartridge for firearms
DE1099397B (en) * 1956-11-20 1961-02-09 Andre Losfeld Insert barrel for gun barrels, Moerser u. like
US4713903A (en) * 1986-06-02 1987-12-22 Kolar Arms Choke assemblies for shotguns
US5729927A (en) * 1996-03-22 1998-03-24 Shaver, Jr.; Gerald Lee Firearm adapter device and cartridge carrier for use therein
US6145440A (en) * 1997-06-05 2000-11-14 Simbal Ab Training weapon system
WO2006120421A1 (en) * 2005-05-10 2006-11-16 Utm Ip Limited Training cartridge, gun barrel insert & assembly
GB2439037A (en) * 2005-05-10 2007-12-12 Utm Ip Ltd Training cartridge, gun barrel insert & assembly
US20080202009A1 (en) * 2005-05-10 2008-08-28 Utm Ip Limited Training Cartridge, Gun Barrel Insert & Assembly
GB2439037B (en) * 2005-05-10 2008-12-17 Utm Ip Ltd Training cartridge, gun barrel insert & assembly

Also Published As

Publication number Publication date
CH102783A (en) 1924-02-16

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