US3879877A - Double-barrelled firearms - Google Patents

Double-barrelled firearms Download PDF

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Publication number
US3879877A
US3879877A US363262A US36326273A US3879877A US 3879877 A US3879877 A US 3879877A US 363262 A US363262 A US 363262A US 36326273 A US36326273 A US 36326273A US 3879877 A US3879877 A US 3879877A
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United States
Prior art keywords
trigger
disposed
firearm
butt
lever
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Expired - Lifetime
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US363262A
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English (en)
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Jean Cizeron
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Individual
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Individual
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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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/18—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns
    • F41A19/19—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns with single-trigger firing possibility
    • F41A19/21—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns with single-trigger firing possibility having only one trigger

Definitions

  • DOUBLE-BARRELLED FIREARMS This invention is for improvements in or relating to double-barrelled firearms, inter alia shot guns whose barrels are disposed one beside another or one above another.
  • shot guns have two triggers; they are disposed one behind the other inside a trigger guard.
  • Each trigger is associated with the firing of one of the two barrels; for instance, the front trigger can release the hammer operating the firing pin of the barrel whose diameter is such as to cause a wide scattering of the shot, whereas the back trigger fires the other barrel, i.e., the barrel for long-distance shooting, since the shot is brought together due to a slight reduction in barrel bore near the barrel exit orifice.
  • the firearm has a single trigger comprising a single actuating surface so devised that the user can select which of the two shots he wants just by acting on such surface with his finger in one of two predetermined directions.
  • the trigger is in the form of a member which can pivot relatively to a horizontally extending central pivot pin and which has arms disposed in extension of one another, each arm being associated with a tappet adapted to operate the sear of the firing pin of the corresponding barrel.
  • FIG. 1 is a view in partial section of a firearm using the improvements according to the invention
  • FIG. 2 is a cross-section on the line IIII of FIG. 1;
  • FIG. 3 is a view similar to FIG. 1 of a variant
  • FIGS. 4 and 5 are diagrams showing the operation of the variant shown in FIG. 3, and
  • FIGS. 6 and 7 show two more variants of the invention.
  • the double-barrelled firearm has a portion comprising two barrels l, 2 disposed one above another, and a butt 3 in which a conventional firing mechanism is disposed.
  • the firing mechanism comprises two sears 4, 4' each cooperating with a hammer 5, 5 acting via a tappet 7,
  • Pin 6 is adapted to fire the shot contained in a cartridge in barrel 2, and pin 6' is associated with the barrel 1.
  • the hammers 5, 5' are biased by means of springs 8, 8' respectively which act on wedges 9, 9 respectively. No further details will be given of this mechanism, which is familiar in the armaments art.
  • a metal block III is secured by screws 12 within a trigger guard 10 which is disposed underneath the butt 3 near the zone where the same joins the stock comprising the barrels I, 2.
  • Block 11 has a transverse bore 13 into which two vertical passageways 14, 15 disposed one beside another are disposed, as well as two ways 16, 17 which extend from bore 13 towards the barrels.
  • the passage 14 and the way 16, the passage 15 and the way 17 are disposed in two parallel vertical planes.
  • On the surface near the barrels the block 11 has a pivot block 18 through which a horizontal pin 19 extends.
  • a trigger 20 is pivotably mounted by means of pin 19 and has two arms which are disposed one in extension of the other and which are disposed substantially vertically and which define a surface 21 with which the users finger is in contact to operate the trigger 20.
  • Tappets 22, 23 are received in the ways 16, 17 respectively and a rod 24, 25 is received in each passage 14, 15 respectively.
  • Disposed in bore .13 are two transmission members 26, 27 which in cross-section have the shape of a circle sector and whose inclined surfaces cooperate with tappet 22 and rod 24- and with tappet 23 and rod 25, respectively.
  • the two orifices of passage 13 are closed by plugs 28 which retain the members 26, 27 in engagement with one another but with sufficient clearance for them to shift.
  • a block 30 basically similar to the block 11 of the embodiment of FIG. 1 is disposed inside the trigger guard 10 and comprises more particularly a pivot block 30 in which the trigger 20 is mounted for pivoting.
  • the block 30 has, in the part opposite the member 31, a second pivot block 32 bearing the horizontally extending pin 33 around which two substantially vertical side-by-side levers 34, 35 can pivot.
  • Extending through block 30 are two horizontal bores 36, 37 which are disposed lengthwise relatively to the firearm and which are so offset from one another that tappets 38, 39 received in them cooperate with the levers 34, 35 respectively.
  • each lever 34-35 is biased, e.g.
  • levers 45, 44 which are disposed in vertically inverted relationship to one another and which are mounted for pivoting around horizontal pivot pins 45, 46 respectively rigidly secured to the block 11; one pivot pin is disposed immediately below the butt and the other is disposed near the trigger guard 10.
  • each sear 4, 4' cooperates with a right-angled bell-crank lever 49, 50 respectively rockable around a pivot pin 51; the vertical arm of each such lever has a teat 52, 53 respectively.
  • the two levers 49, 50 are disposed one beside another on the pin 51, and a frame 54 rigidly secured to a trigger 55 extends between the two levers 49, 50.
  • the righthand inside surface of frame 54 i.e., the frame surface which is opposite the trigger 55 is formed with a V-shaped recess 54a in which the cross-arm of a stationary stirrup-shaped member 56 rigidly secured to a lug 57 associated with the butt 3 bears.
  • a compression spring 58 biases frame 54 towards the barrels of the firearm.
  • the left-hand inside surface of frame 54 i.e., the surface associated with the trigger 55 has a rounded bead 54b which extends towards the recess 54a. Normally the bead 54b is maintained in equilibrium by being thrust against the periphery of a stationary cylindrical pin 59.
  • the bottom member of frame 54 bears a rod 60 which extends beyond each side of the frame side surfaces so as to be opposite each lever 49, 50.
  • the bead 54b When the user presses the trigger 55 downwardly, the bead 54b also moves downwardly and acts as a cam which guides the trigger and its frame 54 inclinedly and rearwardly.
  • the rod 60 therefore engages with teat 53 of lever 50, which so pivots around its pin 51 that its horizontal arm rises and tilts the sear 4 to release the corresponding hammer.
  • the spring 58 returns the trigger 55 to the position shown in FIG. 7. If the user operates the trigger upwardly, rod 60 contacts teat 52 of lever 49, which pivots and releases the corresponding hammer in the manner just described with reference to the lever 50.
  • a double-barrelled firearm comprising:
  • a butt provided with a conventional firing mechanism having two sears disposed side by side;
  • a trigger guard located underneath said butt
  • trigger means pivotally mounted opposite said horizontal ways and having arms disposed substantially vertically;
  • tappet means in the ways connecting the trigger arms to the transmission members
  • said tappet means comprising two tappets each having two free ends, the first free end of each said tappet bearing respectively against a different one of the trigger arms, while each second free end of each tappet engages one inclined surface of its related transmission member.
  • said rod means comprising two rods each having two free ends, the lower free end of each said rod resting respectively against the other inclined surface of its related transmission member, while the upper free end of each rod rests against its related sear of said conventional firing mechanism.
  • the trigger means comprising two bent levers pivoted at their ends and disposed in vertically inverted relationship to one another in said trigger guard, each lever being associated with one of said tappets.
  • a double-barrelled firearm comprising:
  • a single moving trigger having two arms disposed sub stantially vertically;
  • a butt provided with a conventional firing mechanism having two sears disposed side by side;
  • a trigger guard located underneath said butt
  • a metal block on which said trigger is pivotally mounted said block having two lengthwise offset bores, one situated in its upper portion, the other in the lower portion, and having a horizontal transverse pin;
  • each sear having a heel resting on the top end of its related lever.
  • a double-barrelled firearm comprising:
  • a butt provided with a conventional firing mechanism having two sears disposed side by side;
  • a trigger guard located underneath said butt and having two stationary transverse cylindrical pins;
  • a stirrup shaped member rigidly secured to said butt and including means to bias said trigger forwardly 9.
  • the internal surface of one vertical leg of said. frame having a bead bearing against one of said transverse cylindrical pins, while the internal surface of the other leg is provided with a recess, opposite to the bead, receiving the second cylindrical pin of the trigger guard.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Earth Drilling (AREA)
  • Electrophonic Musical Instruments (AREA)
US363262A 1972-05-31 1973-05-23 Double-barrelled firearms Expired - Lifetime US3879877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7220195A FR2187104A5 (xx) 1972-05-31 1972-05-31

Publications (1)

Publication Number Publication Date
US3879877A true US3879877A (en) 1975-04-29

Family

ID=9099714

Family Applications (1)

Application Number Title Priority Date Filing Date
US363262A Expired - Lifetime US3879877A (en) 1972-05-31 1973-05-23 Double-barrelled firearms

Country Status (8)

Country Link
US (1) US3879877A (xx)
JP (1) JPS4956499A (xx)
AU (1) AU476044B2 (xx)
DE (1) DE2327704A1 (xx)
ES (1) ES415393A1 (xx)
FR (1) FR2187104A5 (xx)
GB (1) GB1437379A (xx)
IT (1) IT988766B (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749166A (en) * 1988-06-06 1998-05-12 Saf T Lok Corporation Gun lock assembly
US5870846A (en) * 1997-12-11 1999-02-16 Ledford; Tim Double barrel shotgun
US20050121013A1 (en) * 2003-11-26 2005-06-09 Simo Miroslav A. Mechanical release or trigger device
CN103471458A (zh) * 2013-03-27 2013-12-25 齐齐哈尔雄鹰警用器材有限公司 双管猎枪双杠杆击发机构
US11293708B2 (en) * 2011-05-19 2022-04-05 Arsenal Firearms Finance Limited Double-barrelled gun and two-row magazine
US11421955B1 (en) * 2021-01-28 2022-08-23 Scott Matheson Trigger pull cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610569A (en) * 1898-09-13 thompson
US1649888A (en) * 1926-07-09 1927-11-22 Patrick W Byrnes Firing mechanism for multiple-barrel guns
US2791053A (en) * 1956-05-10 1957-05-07 Walter M Fay Selective trigger operating mechanism for a double barrel shotgun

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610569A (en) * 1898-09-13 thompson
US1649888A (en) * 1926-07-09 1927-11-22 Patrick W Byrnes Firing mechanism for multiple-barrel guns
US2791053A (en) * 1956-05-10 1957-05-07 Walter M Fay Selective trigger operating mechanism for a double barrel shotgun

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749166A (en) * 1988-06-06 1998-05-12 Saf T Lok Corporation Gun lock assembly
US5870846A (en) * 1997-12-11 1999-02-16 Ledford; Tim Double barrel shotgun
US20050121013A1 (en) * 2003-11-26 2005-06-09 Simo Miroslav A. Mechanical release or trigger device
US20050229911A1 (en) * 2003-11-26 2005-10-20 Simo Miroslav A Mechanical release or trigger device
US6957644B2 (en) 2003-11-26 2005-10-25 Simo Miroslav A Mechanical release or trigger device
US7325539B2 (en) 2003-11-26 2008-02-05 Simo Miroslav A Mechanical release or trigger device
US11293708B2 (en) * 2011-05-19 2022-04-05 Arsenal Firearms Finance Limited Double-barrelled gun and two-row magazine
CN103471458A (zh) * 2013-03-27 2013-12-25 齐齐哈尔雄鹰警用器材有限公司 双管猎枪双杠杆击发机构
US11421955B1 (en) * 2021-01-28 2022-08-23 Scott Matheson Trigger pull cover

Also Published As

Publication number Publication date
FR2187104A5 (xx) 1974-01-11
JPS4956499A (xx) 1974-05-31
DE2327704A1 (de) 1973-12-20
AU476044B2 (en) 1976-09-09
AU5626573A (en) 1974-12-05
ES415393A1 (es) 1976-02-16
GB1437379A (en) 1976-05-26
IT988766B (it) 1975-04-30

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