US3082667A - Automatic guns having a fixed feed mechanism and slidable in a cradle - Google Patents

Automatic guns having a fixed feed mechanism and slidable in a cradle Download PDF

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Publication number
US3082667A
US3082667A US799035A US79903559A US3082667A US 3082667 A US3082667 A US 3082667A US 799035 A US799035 A US 799035A US 79903559 A US79903559 A US 79903559A US 3082667 A US3082667 A US 3082667A
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United States
Prior art keywords
cradle
spindle
arms
slidable
buffer
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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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US799035A
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English (en)
Inventor
Ramseyer Robert
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.)
Brevets Aero Mecaniques SA
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Brevets Aero Mecaniques SA
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Publication date
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    • 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
    • F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
    • 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
    • F41A25/16—Hybrid systems
    • F41A25/18—Hydroelastic systems

Definitions

  • the present invention relates to automatic guns, and in particular guns to be mounted in tank turrets, slidable in a cradle and including a buer having a portion fixed to said cradle and a movable portion secured to the breech-casing of the gun, and also a feed mechanism mounted on a carrier fixed to the cradle by a holding means.
  • the object of the present invention is Lo provide a gun of this type which is better adapted to meet the requirements of practice than those used up to now and in particular which is easily removable from the cradle.
  • the present invention is essentially characterized by the provision of the same readily detachable means for securingboth the xed butler portion and the holding means to the cradle.
  • FlG. l is an elevational View with parts in section of an automatic gun to be mounted in the turret of a tank, said gun being made according to the invention;
  • FIG. 2 is a horizontal section on the line I-II of FIG. l;
  • FIG. 3 is an elevational View, with parts in section on the line ill-lll of FIG. 4, of another embodiment of the present invention.
  • FlG. 4 is a corresponding view with parts in section on the line IV-IV of FIG. 3;
  • FiG. 5 is a longitudinal middle section of a removable pivoting element for use in the construction of FIGS. 3 and 4;
  • FIG. 6 illustrates the structure by which said pivoting element can be removed from the spindle on which it is mounted
  • FGS. 7 and 8 show on an enlarged scale in longitudinal section, respectively in two planes at right angles to each other, a modification of a portion of the construction of FIGS. 3 ⁇ and 4; and,
  • FIG. 9 is an exploded perspective View of the structure of FlGS. 7 and 8.
  • the guns shown by the drawings include a breechcasing 2 which is slidable in a cradle 1, said cradle 1 bein,C advantageously movable with an elevatingr and a traversing displacement.
  • the gun includes essentially a gun barrel (not visible on the drawing), a breech-casing 2 rigid with the rear portion of said gun barrel and a breech block slidable within said breech-casing 2 and therefore hidden by it on the drawings.
  • Breech-casing 2 is provided at the rear with a rear block 3 in which is mounted a buffer spring (not visible) intended to slow down the end of the recoil movement of the sliding breech block ,and subsequently to accelerate the forward movement of said breech block.
  • a butler is interposed between the breech-casing 2 and cradle 1.
  • This buffer includes a movable portion 4 rigidly secured to said breech-casing 2, a iixed portion (5 in FIGS. 1 and 2 and 5t? in FlGS. 3 and 4) connected to cradle 1, resilient return means, such as a spring 6 interposed between said fixed portion and said movable portion 4 so as to exert a force tending to oppose relad? aten'ted lidar., 26, i963 tive movement between said iixed and movable portions during the recoil ofthe gun, and a liquid brake, for 1nstance of the piston type, for retarding the movement of movable portion d.
  • a feed mechanism such as a magazine (not shown) is mounted in such manner as to be capable of a longitudinal sliding displacement with respect to the breechcasing 2.
  • Said magazine is ⁇ fixed in detachable manner on a magazine carrier 8 also slidable with respect to breech-casing 2 and secured to cradle 1 through holding means which will be more explicitly described hereinafter.
  • the magazine does not recoil with breechcasing Z during tiring.
  • the above-mentioned holding means include, in the construction shown by all the drawings, a cross-bar 9 detachably iixed to magazine carrier tl and two arms i@ extending parallelly in a spaced-apart relationship from said bar 9.
  • the ends of arms 1li are connected to cradle 1 in a manner which will be hereinafter described and cross-bar 9 is connected to the front wall of a holding projection 3a rigid with the magazine carrier S.
  • the means for xing to the cradle 1 both the fixed portion of the buffers and the ends of the arms 10 of the magazine carrier holding means are constituted by a single securing device capable of being readily detached and preferably arranged so that it can be easily reached from the inside of the turret in which the gun is mounted.
  • the securing device above referred to is constituted by a transverse spindle 11.
  • the ends of arms 10 are integral with the fixed portion 5 of the butter so that said arms and said fixed portion include two aligned holes 195 and are connected to cradle l through fixation spindle 1 extending through said aligned holes 161 and also through holes 165 in cradle l'.
  • the means for locking said spindle 11 consists of a lug lla integral with spindle l1 and capable of passing in .aligned slots 12 provided in the periphery of the holes 191 and 105 through which spindle 11 extends. After this lug has been passed through said slot during the insertion of spindle 11, said spindle 11 is rotated about its axis to obtain the desired locking eilect.
  • arms 1t? are independent of the xed portion Sil of the butter and can be detached from the cradle without withdrawing xation spindle 11.
  • arms 1t have their end portions lila journalled about fixation spindle 11. Said ends 1tla are provided with holes which are aligned with holes 101 and 195.
  • Cross-bar 9 carries a rotary latch 13 operable by means of a lever 14 and adapted to keep said cross-bar applied against the holding projection tta of magazine carrier 8.
  • the ixed portion 5d of the buffer includes two lateral annular projections 15 adapted to tit in corresponding housings provided in the inner side walls of the ends 10a of .arms 1li. Said annular projections 15 are each provided with two at faces 15a (FIG. 5). Each of these ends 16a is provided with a slot 16 extending radially 'from the hole 110 of said end 10a, the dimensions of said slots 16 being chosen to permit the passage of the corresponding projection 15 therethrough when arms 1@ are turned about the axis of spindle 11 through an angle so that the walls of radial slots 1o are parallel to the flat faces of projections ida (FIG. 6i).
  • the two radial slots 16 are positioned in such manner that, when holding means 9-10 are in the position shown by FIGS. 3 and 4, dat faces 15a extend transversely to said slots 16 as shown by FIG. 5 and when the holding means are not in active position and have been rotated through a substantial angle (about 90) about the axis of spindle 11 as shown by FIG. 6, said slots 16 extend in a direction parallel to said flat faces 15a. It is then possible to remove the holding means by giving thereto a translatory movement in the direction of arrow F. It will be readily understood that a gun made according to this second embodiment of the invention enables the magazine carrier 8 to be released along with the magazine fixed thereon without withdrawing spindle 11. It is only necessary to rotate the latch 13 from its locking position and to pivot arms 10 about the axis of spindle 111.
  • the hydraulic brake of the buffer includes a piston 17 mounted in a cylindrical housing 4a filled with oil and provided in the movable portion 4 of the buier, said piston being connected through a rod 18, which is parallel to the axis of the gun, with the fixed portion 5 of said buffer, during the recoil of the gun'the rod 13 might be displaced so as to no longer be parallel to the axis of the gun, Y
  • rod 18 could jam in its guide 19 when it is rigid with the movable portion 4 of the buffer in the embodiment that is being considered.
  • the guide 19 of rod 1S is rigid with the movable portion 4 of the buffer, piston 17 being slidably secured in said movable portion 4.
  • Guide 19 and movable portion 4 are connected through bracket 2t) to the gun proper, for instance to the casing of the rear block.
  • the external Wall of guide 19 carries two abutment sectors 22 which are intended to engage with slight radial play in corresponding recesses 20a provided in bracket 20.
  • two complementary sectors 23 having the same radial play as abutment'sectors 22 and each including a central projection 23a adapted to engage in a corresponding housing 24 provided in bracket 20, said complementary sectors being kept in position by spring 6.
  • a cradle In combination, a cradle, an automatic gun having a breech casing slidable longitudinally in said cradle, a buffer including a fixed portion to be mounted on said cradle and a movable portion to be secured to said breech casing, .a feed mechanism carrier, holding means for fixing said carrier with respect to said cradle, said cradle, said butter fixed portion and said holding means being provided with aligned holes, a spindle for engagement in and easy withdrawal from said holes, and means for locking said spindle in engaged position in said holes- 2.
  • said locking means include a transverse projection at the end of said spindle, said holes being provided with notches to accommodate said projection.
  • a cradle an automatic gun having a breech casing slidable longitudinally in said cradle, a :buffer including a fixed portion to be mounted on said cradle and a movable portion to be secured to said breech casing, a feed mechanism carrier, holding means for con.
  • said holding means including a cross bar adapted to be secured to said carrier and two parallel arms extending rearwardly from the ends of said cross bar, and readily detachable means for securing both said buffer fixed portion and the rear ends of said arms to said cradle.
  • said buffer includes a cylinder carried by one of said buffer portions and a piston carried by the other of said buffer portions and slidably guided in said cylinder, further including Vmeans for mounting said cylinder with a limited swivelling displacement with respect to the element on which it is mounted,
US799035A 1958-03-25 1959-03-12 Automatic guns having a fixed feed mechanism and slidable in a cradle Expired - Lifetime US3082667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU350226X 1958-03-25

Publications (1)

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US3082667A true US3082667A (en) 1963-03-26

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US799035A Expired - Lifetime US3082667A (en) 1958-03-25 1959-03-12 Automatic guns having a fixed feed mechanism and slidable in a cradle

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US (1) US3082667A (xx)
CH (1) CH350226A (xx)
DE (1) DE1098857B (xx)
FR (1) FR1222929A (xx)
LU (1) LU35907A1 (xx)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298282A (en) * 1964-02-22 1967-01-17 Rheinmetall Gmbh Buffer systems for automatic firearms
US3418880A (en) * 1965-07-29 1968-12-31 Oerlikon Buehrle Holding Ag Automatic firearm with breech casing free to recoil on a support
US9194650B2 (en) 2012-09-14 2015-11-24 William A. Hangen Firearm configuration for reducing recoil
US9644909B2 (en) 2012-09-14 2017-05-09 5794 Corporation Firearm configuration for reducing recoil
US10267581B2 (en) 2012-09-14 2019-04-23 5794 Corporation Firearm configuration for reducing recoil
US10302380B2 (en) 2012-09-14 2019-05-28 5794 Corporation Fixed barrel firearm configuration for reducing recoil
US10557674B1 (en) * 2018-10-11 2020-02-11 Dimitrios Mantas Buffer assembly for firearms
US10928153B2 (en) 2012-09-14 2021-02-23 Daniel Defense, Llc Fixed barrel firearm configuration for reducing recoil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719395B1 (fr) * 1994-04-28 1996-06-14 Giat Ind Sa Ensemble comprenant un élément, une tige mobile en translation axiale par rapport à cet élément et une pièce de blocage.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE596363C (de) * 1932-09-29 1934-05-02 Rheinische Metallw & Maschf Selbsttaetige Feuerwaffe
US2342727A (en) * 1936-10-08 1944-02-29 Dewandre Albert Gun mounting with shock absorber
US2433637A (en) * 1945-10-19 1947-12-30 Bell Aircraft Corp Shock absorbing machine gun mount
US2865254A (en) * 1953-10-01 1958-12-23 Bofors Ab Recoiling barrel operated pivoted loading tray mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE596363C (de) * 1932-09-29 1934-05-02 Rheinische Metallw & Maschf Selbsttaetige Feuerwaffe
US2342727A (en) * 1936-10-08 1944-02-29 Dewandre Albert Gun mounting with shock absorber
US2433637A (en) * 1945-10-19 1947-12-30 Bell Aircraft Corp Shock absorbing machine gun mount
US2865254A (en) * 1953-10-01 1958-12-23 Bofors Ab Recoiling barrel operated pivoted loading tray mechanism

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298282A (en) * 1964-02-22 1967-01-17 Rheinmetall Gmbh Buffer systems for automatic firearms
US3418880A (en) * 1965-07-29 1968-12-31 Oerlikon Buehrle Holding Ag Automatic firearm with breech casing free to recoil on a support
US9194650B2 (en) 2012-09-14 2015-11-24 William A. Hangen Firearm configuration for reducing recoil
US9546832B2 (en) 2012-09-14 2017-01-17 William A. Hangen Firearm configuration for reducing frame battering
US9551542B2 (en) 2012-09-14 2017-01-24 William A. Hangen Firearm configuration for reducing recoil
US9644909B2 (en) 2012-09-14 2017-05-09 5794 Corporation Firearm configuration for reducing recoil
US10267581B2 (en) 2012-09-14 2019-04-23 5794 Corporation Firearm configuration for reducing recoil
US10302380B2 (en) 2012-09-14 2019-05-28 5794 Corporation Fixed barrel firearm configuration for reducing recoil
US10928153B2 (en) 2012-09-14 2021-02-23 Daniel Defense, Llc Fixed barrel firearm configuration for reducing recoil
US10935334B2 (en) 2012-09-14 2021-03-02 Daniel Defense, Llc Firearm configuration for reducing recoil
US10557674B1 (en) * 2018-10-11 2020-02-11 Dimitrios Mantas Buffer assembly for firearms

Also Published As

Publication number Publication date
FR1222929A (fr) 1960-06-14
LU35907A1 (xx)
DE1098857B (de) 1961-02-02
CH350226A (fr) 1960-11-15

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