US220545A - Improvement in machine-guns - Google Patents
Improvement in machine-guns Download PDFInfo
- Publication number
- US220545A US220545A US220545DA US220545A US 220545 A US220545 A US 220545A US 220545D A US220545D A US 220545DA US 220545 A US220545 A US 220545A
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- United States
- Prior art keywords
- gun
- cartridges
- barrels
- lever
- box
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- Expired - Lifetime
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- 239000000428 dust Substances 0.000 description 2
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- 230000000266 injurious Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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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
- F41A7/00—Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers
- F41A7/08—Drives for externally-powered guns, i.e. drives for moving the breech-block or bolt by an external force during automatic firing
Definitions
- HELGE PALMOHANTZ OF STOCKHOLM, SVEDEN, ASSIGNOR TO THORSTEN NORDENFELT, OF LONDON, ENGLAND.
- the said invention consists of an improved form and arrangement of mitrailleuse or repeatingbatterygun with improved tiring mechanism, feeding apparatus, Vspreading apparatus for dispersin g the shot, and improved pointing instrument and charge-box.
- This battery-gun consists ot' a tire-arm destined to' be used in war, and which is alike serviceable by land and on water.
- the said battery-gun consists of two chief parts, videlicet: iirst, the weapon itself; second, the support or carriage.
- the former consists of the barrels, ten dierent ones, all lying in the same plane, and parallel to each other in the front part of the frame in which the weapon reposes.
- the ii'rin g mechanism is inclosed inthe gunbox, which is movable to and fro on guides, and is perforated with cylindrical holes, in which are to be found the breech-pins with their seltlocking extractors, and with percussiouncedles, the Apercussion hammers or cogs, and the spiral springs.
- crank which catches in the bolt-plate and in the driving-plate.
- the movement of the gun-box is conveyed to the carrier-block, whose object is to bring cartridges to the rear ends of the barrels and, after the discharge, to carry the exploded shells or cases away.
- an arm is provided movable about a center, and combined with the bent lever, operated by the gunner.
- the pointing instrument is mounted on the support, and is-combined with the slide which incloses the ball of the elevationscrcw, which can be moved in a horizontal direction by another screw at right angles to the first-named screw.
- the magazine has a particular chamber .for each barrel, and is placed immediately above the carrier-block.
- the chambers in which the cartridges are piled up have a form correspondin g to the longitudinal section of the cara tridges.
- the power and motion required for opera-t ing the weapon are furnished by the gunner in moving the bent lever to and fro with his right hand, and for each complete movement a volley is discharged.
- the feeding goes on uninterruptedly with out any other interference by hand than the changing of the magazine for cach two hun dred and fifty shots ormore.
- the support of the battery-gun must vary in condition according to the use for which it is intended. For service in the field a carriage is most suitable.
- the whole arm, with limber, is to be drawn by two horses, andthe serving is accomplished byonly one man.
- Figure l is a plan view, partly in section.
- Fig. 2 is a bottom view, partly in section.
- Fig. 3 is a rear eleva-tion.
- Fig. 4t is a vertical longitudinal section on the lines 44 ot' Figs. l and 3.
- Fig. 5 is a section on the line 5 5 of Fig. l.
- Fig. 6 is a vertical transverse section on the line 6 6 of Fig. l, and
- Figs. 7 and 8 are views, in detail, ot' the magazine.
- the gun or weapon itself can be placed in any position, as it rests in a frame, 1, which can be moved in a vertical planeroundits two horizontal gudgeons, 2, mounted on a vertical two-armed stand, 3, which is itself movable in a horizontal plane on a pivot in the turntable 4, fastened to the carriage or main support.
- the frame 1 has three cross-pieces, and the barrels are inserted in front, (to the number of ten in the'drawin'gs,) all lying in the same plane and parallel to each other.y
- the butt-ends of the barrels are screwed into the metallic cen- 'ter cross-piece, 5, and the muzzles rest in the front cross-piece, 6, which, as well as the ceuter cross-piece, is rmly attached to the frame by means of keys or Wedges 7, strongly united to the end cross-piece, 8, on which is xed the spreading apparatus, the trigger-comb, and the moving mechanism consequrentlyl these parts can without difficulty be removed.
- the firing mechanism is inclosed in the gunboX 9, which in this gun is of cast-iron. This is movable to and fro on guides 1.0,and perforated with cylindrical holes answering in number'to the barrels,'dire'ctly facing them and running in the same direction. In the front part of the holes an equal number of tubular breech-pins, 11, are fastened, each provided on the inside with a percussion-needle, 12, and on the outside with a self-lookin g extractor,
- the extractors are inserted in grooves in Y the breech-pins, where they are' free to move alittle to and fro, and, together with the breech-pins, are screwed in the holes in the gun-box,
- 'percussion hammers or cocks 15 are situate behind the breech-pins, and between these and the rear end cross-pieces, 16, of the gunboX are disposed the spiral mainsprings 17.
- Each cock has a sloping tenon or projection
- the gun-box which is made thicker and stronger, there is secured the driving-plate 20, for causing the forward and backward motion of the gun-box.
- the bolt-plate 2l Under the above-mentioned thicker and stronger part '19 is fitted the bolt-plate 2l, movable around a center pivot and connected in such a manner with the locking-bolts or stoppers 22, that these, when worked by the bolt-plate, may simultaneously receive a longitudinal motion transversely to the gun.
- the gun-box being in its forward or advanced position, the bolts or stoppers engage in holes made in the sides of the frame, as shown in Fig. 1, so as to lock the gun-box while in that position, and receive the recoil on lirin g the gun.
- the tri gger-comb 24 rests, capable of a slight lateral movement in guiding crossgrooves on the arm 23.
- the object of the trigger-comb is to compress the spiral springs when the gun-box is moved forward, and afterward to release them when the successive firing of the barrels is to take place. This is eifected by the trigger-comb, which is formed with vertical teeth 25, beveled or-inclined on their left sides and differing in length, but equal in number to the cocks.
- the trigger-comb is further provided with a sloping projecting ⁇ arm, 26, and by the short lever 27 and the spring28 it is forced toward the left side of the frame. In this position the teeth partly and successively cover the grooves traversed by the projections 1S of the hammers or cocks 15. Hence it follows that the cocks become stationary during the advancing motion of the gun-box, and operate on the spiral springs by compressing them.
- the trigger 29 combined with the moving mechanism, acts ou the sloping projecting arm 26 ofl the triggercomb, thereby thrusting it to the right side and successively releasing the several cocks or hammers.
- the trigger-comb is provided with a protruding and accessiblearm, 30, by means of which, when thrustY to the right, it can easily be held by the action of the catch 3l in a closed or inoperative condition.
- the carrier-block is supplied with troughs or recesses 38, correspondingin number to the barrels, and having grooves for the extractors therein.
- the troughs are, during the charg. ing, so placed that all the breech-pins may enter them simultaneously.
- Fig. 1 shows partly the appearance of the carrier-block from above, likewise its position ou the discharge of the shots-exactly opposite to the breech ends of the barrels.
- the carrierblock After firing, and when the gun-box and the breech-pins have moved backward, the carrierblock receives, by means of the feeding-arm, a left-hand motion, so as to bring the troughs at the completion of the operation under the orifices 39 on the lid or cover 40, and free from the cartridge cases or shells which have escaped by that movement.
- the feeding-arm 36 has a forked notch, 4l, in which the anti-friction roller 42, placed on the gun-box, engages as it moves back, so that in its backward andforward motion it will cause the arm 36, by reason of the oblique posit-ion of the fork to the direction of motion of the anti-friction roller, to move by turns to the right and to the left.
- the carrier-block can be readily removed.
- the bent part of the bent lever 44 is a rising tenon or pin, 43, connecting it Withthe spreading or dispersing apparat-us, the object ot' which is to spread or disperse the projectiles in the plane of tire in the form of a fan.
- This is accomplished by means of the spreadingycrank 45, movable around the center 46, and having a groove in its bent end, 60, shaped so as to give periodically to the spreading-crank 45 (by the pin 43 in the bent lever 44 running in the groove) a uniform and angular movement.
- This movement is transmitted to the' main frame by the connecting-rod 47, one end of which is united to the slide 48, while the other end is provided with a turning joint and an attachment-screw, 49, so as to be movable in the straight part of the spreading-crank 45.
- the end piece of the main frame has a guide, 50, which works in the said slide 48, and as this slide is immovably fastened to the elevating-screw 51, the frame, consequently, must partake of the motion which causes the spreading of the projectiles on the discharge of the shots.
- the pointing or aiming instrument, Fig. 4 is mounted on the carriage or support and attached to the slide 48, so as to leave room in its spherical socket (which is supplied with a wedge, 52,) for the reception ofthe ball 53 on the elevation-screw.
- the nut or casin g 54 of the elevation-screw may be moved in a horizontal direction by a second screw, 55, in a direction at right angles to the first-named screw, and the side motion thereby caused in the gun may be entirely regulated by the adjusting-screw 56.
- the adjustment is easy and certain, and the trajectory of each volley may, without loss of time or any particular adjustment, be changed in its position in the plane of fire, in addition to which the pointing instrument, by the aid of the adjusting-screws, may be used in the spreading of the projectiles.
- the magazine has its place on the lid immediately above the earrierblock, and consists of an obliquely-cut parallelopiped box, with a separate chamber, 57 ,y for each barrel.
- the chambers in which the cartridges are piled up can be closed by means of a movable bottom, common to them all, and having rectangular holes therein.
- Every chamber has a slit ma-de in it for the observation of the consumption of cartridges during the ring, and each chamber corresponds in forni to the longitudinal section of the cartridges, and is providedv with a ralibet for the flange of the cartridges. Then the magazine is to be loaded this rabbet conducts ⁇ the cartridges so that they arrange themselves systematically on each other when falling through into the chamber.
- the lever-arm 59 provided with an eccentric, serves to keep the magazine in its proper place.
- the magazine In order to establish a continuous feeding, adifferent construction of the magazine can be used; but a special apparatus will then be required-videlicet, a conductor of the cartridges.
- the magazine may be similarly constructed to that before described, but much smaller, and with the chambers lying close together, and provided with a sliding bar instead of the movable bottom.
- the conductor of the cartridges resembles the magazine before described; but it is 'open at both ends, and the chambers slope together at the upper end, where they are inclosed within a run.
- this operation may be accomplished by spreading the cartridges on the openings in the lid, which is movable .on its joint.
- The" gun is supplied with a protecting-plate under the mechanism, and with openings for lubrication, so placed as to allow of its being lubricated while in action.
- the fore and back sights are placed in the middle of the gun or at its side.
- the carriage or support of the battery-gun will vary in form, according to the use for which it is intended, whether for land or sea service.
- the gun-carriage is the most suitable support, and should be of I iron, and provided on its trail with a seat, on which the gunner sits astride.
- this battery-gun may be provided with a shield or screen.
- Fig. l shows the position of each of the different partsof the battery-gun relatively to the others at the moment when the first shot is discharged.
- the lever is then in the act of advancing, and on continuing its forward movement the remaining shots are successively discharged, the rapidity of the discharge depending on the movement of the lever.
- the spreading apparatus acts Y so as to communicate to the projectiles a radial direction.
- the spreading-crank is compelled, by the tenon or pin on the lever, to turn from right to left.
- the slide on the contrary, by reason of its fixed position, cannot by the connecting-rod be moved from its place; but the frame, with the parts attached to it, is moved; hence the barrels must partake ofthe motion, movingfrom left to right.
- the mechanism is simple, consisting of strong parts well protected. The movements are chiefly caused by levers communicating but little rapidity to the movable parts as distinguished from the revolving systems in general use. The mechanism consequently suffers but little from the action of dust or rain, and is not injured by the residuum of gunpowder 5 but should ⁇ an y dirt accumulate the injurious effect will not be important, owing to the slowv movements of the axis and pivots.
- rllhe barrels, breech-pins, needles, extractors, and springs may all be exchanged for others without the necessity for taking the whole to pieces.
- the barrels are independent of each other, so that should one or more of them get out ol' order the remaining ones may, without any interruption to thev tiring, be supplied. Moreover, being independent ot' the mechanism, they may easily be cleaned and exchanged for others.
- the magazines are devoid of loose weights
- the system admits of the use of cartridges of different lengths, provided the magazine and carrier-block are made to correspond.
- the feeding proceeds uninterruptedly without any other exchange byhand being requisite than the changing of the magazine for each two'hundred and fiftieth shot or more.
- the cartridges moreover, during the feeding process have more time to escape than in the re-Y volvin g systems nowin use, since more orifices are used, and the feeding apparatus is stationary during the introduction ot the cartridges, which, on entering the barrels, are not pressed by others lying above them, and thus the otherwise common*inconvenience of the suspending and squeezing of the cartridges-is entirely removed.
- the ring mechanism may instantly be shut Y or locked, so as to prevent the percussion-hammers 4from acting, and the men may thus be exercised, although the cartridges may be loaded with ball, without any danger of their exploding, and without any useless compression of the springs.
- the mainsprin gs are uniform, and but slightly compressed relatively to their length, thus tending to increase their durability.
- Both the firing and the spreading of the projectiles is effected automatically, and either shot after shot may be fired, or volley on volley, and the spreading operation may be angmented or diminished atpleasnre, orbe effected by hand with the pointing-instrument.
- the vertical and horizontal aim with the pointinginstrnment may be accomplished by the gunner by hand and during the irin g.
- Rapidity of the discharge now amounting to ten shots a second, may on an average be reckoned at five hundred a minute, and can be increased to a greater extent than by any hitherto known system.
- the loading can be done by hand should the magazine be wanting, and the rapidity of the discharge is even then equal to that of the French mitrailleuse.
- the serving is effected by one man, whose sitting posture presents only a very small er.l
- posed surface which may be still more diminished by employing a screen or shield.
- the weight ofthe gun differs somewhat, according to the varying thickness of the material and the lengths of the barrels; but in any case the gun may be carried by the men alone, if necessary, over the roughest ground, and even on theifleld of battle.
- the gun can be instantlydismounted by removing the carrier-block, which is easily accessible, and is necessary for the use of the gun, and cannot readily be replaced.
- the gun may easily be lifted from its carriage by knocking out the wedge in front of the ball on the elevating-screw.
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Description
. I 5 Sheets-Sheet 1. H. PALMORANTZ. l
- IlVIeLohne-Gun. No. 220,545. Patented Oct. 14, 1879.
WI 'NL'SSES A [JVl VENTO [i N. PETERS, PHOTOLITHOGRAPHER. WASHINGTON. D C.
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`5 Sheets-Sheet 3.
PALMGRANTZ.
Machine-Gun.
Patented Oct. 14,1879.
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[.V VENT() R Attorneys WITJVEASSES 5 Sheets-Sheet 4.
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5. A 5, O 2 2 a N Patented Oct. 14,1879.
[NT/ENT() R W I TJVESSES sheets-Sheet 5. H. PALMGRANTZ.
Machine-Gun.
No. 220,545. Patented oct.14,'1s79.
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N. PETERS. PHOTO-LITNOGRAPHER, WASHINGTON. Dv C.
UNITE STATES PATENT OEEToE.I
HELGE PALMOHANTZ, OF STOCKHOLM, SVEDEN, ASSIGNOR TO THORSTEN NORDENFELT, OF LONDON, ENGLAND.
IMPROVEMENT IN MACHINE-GUNS.
Specification forming part of Letters Patent No. 220,545, dated October 14, 1879; application tiled January 2l, 1879; patented in England, May 13, 1873.
To all whom t may concern:
Beit known that I, HELGE PALMcEANTz, of Stockholm, in the Kingdom of Sweden, civil engineer, have invented a new or Improved Battery-Gun, which improvement is fully set forth in the following specification, reference being had to theaccompanying d rawings.
The said invention consists of an improved form and arrangement of mitrailleuse or repeatingbatterygun with improved tiring mechanism, feeding apparatus, Vspreading apparatus for dispersin g the shot, and improved pointing instrument and charge-box.
This battery-gun consists ot' a tire-arm destined to' be used in war, and which is alike serviceable by land and on water.
lhe construction ot' this tire-armis quite new and independent, and is not on the revolving system. It operates quickly and with certainty.
The said battery-gun consists of two chief parts, videlicet: iirst, the weapon itself; second, the support or carriage. The former consists of the barrels, ten dierent ones, all lying in the same plane, and parallel to each other in the front part of the frame in which the weapon reposes.
The ii'rin g mechanism is inclosed inthe gunbox, which is movable to and fro on guides, and is perforated with cylindrical holes, in which are to be found the breech-pins with their seltlocking extractors, and with percussiouncedles, the Apercussion hammers or cogs, and the spiral springs.
Behind and beneath the turned-down and swelled front part of the gun-box are fixed the driving-plate and the bolt-plate, to which lat ter the stoppers are united.
On two arms applied on the back piece of the frame rests the trigger-comb, which moves and releasesthe spiral springs.
All these parts are combined with each other by means of a crank, which catches in the bolt-plate and in the driving-plate.
By means of a feeding-arm the movement of the gun-box is conveyed to the carrier-block, whose object is to bring cartridges to the rear ends of the barrels and, after the discharge, to carry the exploded shells or cases away.
To spread the projectiles automatically on the shooting-plane in the act of iirin g an arm is provided movable about a center, and combined with the bent lever, operated by the gunner.
The pointing instrument is mounted on the support, and is-combined with the slide which incloses the ball of the elevationscrcw, which can be moved in a horizontal direction by another screw at right angles to the first-named screw.
The magazine has a particular chamber .for each barrel, and is placed immediately above the carrier-block. The chambers in which the cartridges are piled up have a form correspondin g to the longitudinal section of the cara tridges. f
The power and motion required for opera-t ing the weapon are furnished by the gunner in moving the bent lever to and fro with his right hand, and for each complete movement a volley is discharged.
The feeding goes on uninterruptedly with out any other interference by hand than the changing of the magazine for cach two hun dred and fifty shots ormore.
The support of the battery-gun must vary in condition according to the use for which it is intended. For service in the field a carriage is most suitable.
The whole arm, with limber, is to be drawn by two horses, andthe serving is accomplished byonly one man.
In the accompanying drawings, illustrating my invention, Figure l is a plan view, partly in section. Fig. 2 is a bottom view, partly in section. Fig. 3 is a rear eleva-tion. Fig. 4t is a vertical longitudinal section on the lines 44 ot' Figs. l and 3. Fig. 5 is a section on the line 5 5 of Fig. l. Fig. 6 is a vertical transverse section on the line 6 6 of Fig. l, and Figs. 7 and 8 are views, in detail, ot' the magazine.
The gun or weapon itself can be placed in any position, as it rests in a frame, 1, which can be moved in a vertical planeroundits two horizontal gudgeons, 2, mounted on a vertical two-armed stand, 3, which is itself movable in a horizontal plane on a pivot in the turntable 4, fastened to the carriage or main support.
The frame 1 has three cross-pieces, and the barrels are inserted in front, (to the number of ten in the'drawin'gs,) all lying in the same plane and parallel to each other.y The butt-ends of the barrels are screwed into the metallic cen- 'ter cross-piece, 5, and the muzzles rest in the front cross-piece, 6, which, as well as the ceuter cross-piece, is rmly attached to the frame by means of keys or Wedges 7, strongly united to the end cross-piece, 8, on which is xed the spreading apparatus, the trigger-comb, and the moving mechanism consequrentlyl these parts can without difficulty be removed.
The firing mechanism is inclosed in the gunboX 9, which in this gun is of cast-iron. This is movable to and fro on guides 1.0,and perforated with cylindrical holes answering in number'to the barrels,'dire'ctly facing them and running in the same direction. In the front part of the holes an equal number of tubular breech-pins, 11, are fastened, each provided on the inside with a percussion-needle, 12, and on the outside with a self-lookin g extractor,
13. The extractors are inserted in grooves in Y the breech-pins, where they are' free to move alittle to and fro, and, together with the breech-pins, are screwed in the holes in the gun-box,
In Fig. 1 four of the breech-pins are removed 'in order to show plainly the carrier-block 14.
One breech-pin is also seen in section. The
'percussion hammers or cocks 15 are situate behind the breech-pins, and between these and the rear end cross-pieces, 16, of the gunboX are disposed the spiral mainsprings 17.
\ Each cock has a sloping tenon or projection,
18, running each in its separate straight groove in the bottom of the gun-box. Behind and on the front part, 19, of Ithe gun-box, which is made thicker and stronger, there is secured the driving-plate 20, for causing the forward and backward motion of the gun-box. Under the above-mentioned thicker and stronger part '19 is fitted the bolt-plate 2l, movable around a center pivot and connected in such a manner with the locking-bolts or stoppers 22, that these, when worked by the bolt-plate, may simultaneously receive a longitudinal motion transversely to the gun. The gun-box being in its forward or advanced position, the bolts or stoppers engage in holes made in the sides of the frame, as shown in Fig. 1, so as to lock the gun-box while in that position, and receive the recoil on lirin g the gun.
On two arms, 23, attached to the inner side of the end cross-piece, 8, the tri gger-comb 24 rests, capable of a slight lateral movement in guiding crossgrooves on the arm 23. The object of the trigger-comb is to compress the spiral springs when the gun-box is moved forward, and afterward to release them when the successive firing of the barrels is to take place. This is eifected by the trigger-comb, which is formed with vertical teeth 25, beveled or-inclined on their left sides and differing in length, but equal in number to the cocks.
The trigger-comb is further provided with a sloping projecting` arm, 26, and by the short lever 27 and the spring28 it is forced toward the left side of the frame. In this position the teeth partly and successively cover the grooves traversed by the projections 1S of the hammers or cocks 15. Hence it follows that the cocks become stationary during the advancing motion of the gun-box, and operate on the spiral springs by compressing them.
The gun-box having been advanced, and the locking-bolts or Stoppers 22 having been simultaneously protruded, the trigger 29, combined with the moving mechanism, acts ou the sloping projecting arm 26 ofl the triggercomb, thereby thrusting it to the right side and successively releasing the several cocks or hammers. Moreover, the trigger-comb is provided with a protruding and accessiblearm, 30, by means of which, when thrustY to the right, it can easily be held by the action of the catch 3l in a closed or inoperative condition.
The parts of the mechanism already described are connected with each other by means of the lever-arm 32, movable through the shaft 33, and provided at its front end with a protruding tooth, 34, and anti-friction roller y35, the former catching in the corresponding notch of the bolt-plate and the latter running in the slot in the driving-plate 20, thus communicating to both plates their respective movements.
Through the medium of the feeding-arm 36,
which is connected with the carrier-block 14 by means of a hook, 37, formed on or attached to the latter, the movement of the gun-box is conveyed to the carrier-block moving on guides, the object of which is to supply cartridges to the breech ends o f the barrels at-each volley .after the discharge of the shots, and to remove by the extractors the exploded cartridge-cases and carry them away. For this purpose the carrier-block is supplied with troughs or recesses 38, correspondingin number to the barrels, and having grooves for the extractors therein. The troughs are, during the charg. ing, so placed that all the breech-pins may enter them simultaneously. Fig. 1 shows partly the appearance of the carrier-block from above, likewise its position ou the discharge of the shots-exactly opposite to the breech ends of the barrels.
After firing, and when the gun-box and the breech-pins have moved backward, the carrierblock receives, by means of the feeding-arm, a left-hand motion, so as to bring the troughs at the completion of the operation under the orifices 39 on the lid or cover 40, and free from the cartridge cases or shells which have escaped by that movement. To carry out this operation the feeding-arm 36 has a forked notch, 4l, in which the anti-friction roller 42, placed on the gun-box, engages as it moves back, so that in its backward andforward motion it will cause the arm 36, by reason of the oblique posit-ion of the fork to the direction of motion of the anti-friction roller, to move by turns to the right and to the left. In cleaning `the gun or in dismountin g it the carrier-block can be readily removed.
()n the bent part of the bent lever 44 is a rising tenon or pin, 43, connecting it Withthe spreading or dispersing apparat-us, the object ot' which is to spread or disperse the projectiles in the plane of tire in the form of a fan. This is accomplished by means of the spreadingycrank 45, movable around the center 46, and having a groove in its bent end, 60, shaped so as to give periodically to the spreading-crank 45 (by the pin 43 in the bent lever 44 running in the groove) a uniform and angular movement. This movement is transmitted to the' main frame by the connecting-rod 47, one end of which is united to the slide 48, while the other end is provided with a turning joint and an attachment-screw, 49, so as to be movable in the straight part of the spreading-crank 45. The end piece of the main frame has a guide, 50, which works in the said slide 48, and as this slide is immovably fastened to the elevating-screw 51, the frame, consequently, must partake of the motion which causes the spreading of the projectiles on the discharge of the shots. By moving the attachment-screw 49 to varied distances from the center 46, the spreading angle may be most accurately regulated, and in the center position the gun remain stationary.
rIlle whole mechanism just described is put in motion whenthe bent lever 44, attached to the same shaft as the crank 32, is moved backward and forward by the gunner.
The pointing or aiming instrument, Fig. 4, is mounted on the carriage or support and attached to the slide 48, so as to leave room in its spherical socket (which is supplied with a wedge, 52,) for the reception ofthe ball 53 on the elevation-screw.
The nut or casin g 54 of the elevation-screw may be moved in a horizontal direction by a second screw, 55, in a direction at right angles to the first-named screw, and the side motion thereby caused in the gun may be entirely regulated by the adjusting-screw 56. By this arrangement the adjustment is easy and certain, and the trajectory of each volley may, without loss of time or any particular adjustment, be changed in its position in the plane of fire, in addition to which the pointing instrument, by the aid of the adjusting-screws, may be used in the spreading of the projectiles.
The magazine, Fig. 5, has its place on the lid immediately above the earrierblock, and consists of an obliquely-cut parallelopiped box, with a separate chamber, 57 ,y for each barrel. The chambers in which the cartridges are piled up can be closed by means of a movable bottom, common to them all, and having rectangular holes therein.
When the magazine is applied the bottom is pushed aside, leaving the oriiices 5S of the chambers free, so that the cartridges may unobstructedly fall down through the said oriices inthe lid into the chambers of the ca'rrier-block.
Every chamber has a slit ma-de in it for the observation of the consumption of cartridges during the ring, and each chamber corresponds in forni to the longitudinal section of the cartridges, and is providedv with a ralibet for the flange of the cartridges. Then the magazine is to be loaded this rabbet conducts `the cartridges so that they arrange themselves systematically on each other when falling through into the chamber.
The lever-arm 59, provided with an eccentric, serves to keep the magazine in its proper place.
In order to establish a continuous feeding, adifferent construction of the magazine can be used; but a special apparatus will then be required-videlicet, a conductor of the cartridges. In this case the magazine may be similarly constructed to that before described, but much smaller, and with the chambers lying close together, and provided with a sliding bar instead of the movable bottom.
The conductor of the cartridges resembles the magazine before described; but it is 'open at both ends, and the chambers slope together at the upper end, where they are inclosed within a run.
When charging the conductor of the cartridges is fastened in the same manner as before described in reference to the fastening of the magazine, and the magazine now described is placed within the rim of the conductor of the cartridges, whereupon the sliding bar is v withdrawn, and the cartridges fall down, to be supplied by others, as soon as tired, by chang ing the maga-zine for another charged with fresh cartridges.
Should it not be desired to make use of the magazine for loading, this operation may be accomplished by spreading the cartridges on the openings in the lid, which is movable .on its joint.
The" gun is supplied with a protecting-plate under the mechanism, and with openings for lubrication, so placed as to allow of its being lubricated while in action.
The fore and back sights are placed in the middle of the gun or at its side.
The carriage or support of the battery-gun will vary in form, according to the use for which it is intended, whether for land or sea service. For field-service the gun-carriage is the most suitable support, and should be of I iron, and provided on its trail with a seat, on which the gunner sits astride.
For the protection of the gunner, who, by reason of his position, presents but a very small surface exposed to lire, this battery-gun may be provided with a shield or screen.
The recoil is counteracted by the shape of the trail and by the weight of the gunner sitting thereon. f?
The operation of this battery-gun is as follows: The power and motion required for operating the gun are furnished by the gunner,
who, by moving the bent lever to and fro with his right hand, causes a volley to be discharged at each double motion.
Fig. l shows the position of each of the different partsof the battery-gun relatively to the others at the moment when the first shot is discharged. The lever is then in the act of advancing, and on continuing its forward movement the remaining shots are successively discharged, the rapidity of the discharge depending on the movement of the lever. During the discharge the spreading apparatus acts Y so as to communicate to the projectiles a radial direction. The spreading-crank is compelled, by the tenon or pin on the lever, to turn from right to left. The slide, on the contrary, by reason of its fixed position, cannot by the connecting-rod be moved from its place; but the frame, with the parts attached to it, is moved; hence the barrels must partake ofthe motion, movingfrom left to right. By the time the whole of the barrels have been discharged the lever will have reached its most forward position, and when it is brought back again to that represented in Fig. 1, the gun is restored to its original position, and the tiring mechanism is stationary. By continuing the retrograde movement ofthe lever the locking-bolts or Stoppers are drawn in, and the gun-box, the breech-pins, and the extractors attached to it are brought backward, causing the exploded cartridge-cases to be extracted.
While lthe lever is drawn backward the carrier-block moves to the left, and the spent casesy are set free from the extractors and fall down through the openings in the carrier-block. When the latter has accomplished its movement it is ready to receive the cartridges required ior another volley. These cartridges fall from the chambers of the magazine through the orifices in the lid. l
Vhen the lever is in its most backward position all the projections ot the percussionhammers are then behind the teeth of the trigger-comb. It' the lever be caused to advance, the carrier-block moves to the right in such a manner as to cause its chambers, supplied with fresh cartridges, to come immediately opposite to the breech ends of the barrels, and the gun-box moves forward, thereby compressing the mainspring, and loading the barrels, into which the cartridges are introduced by the action of the breech-pins. In the manner just described the gun is again made ready for firing, which operation may be commenced by the farther advancement of the lever, and brought about in the manner above described. The peculiarities and advantages of this gun are as follows, videlicet:
The mechanismis simple, consisting of strong parts well protected. The movements are chiefly caused by levers communicating but little rapidity to the movable parts as distinguished from the revolving systems in general use. The mechanism consequently suffers but little from the action of dust or rain, and is not injured by the residuum of gunpowder 5 but should `an y dirt accumulate the injurious effect will not be important, owing to the slowv movements of the axis and pivots.
Every part is directly accessible for cleaning and lubrication, While the mechanism is, in consequence of its simple construction, easily managed,-taken to pieces, and put together again.
rllhe barrels, breech-pins, needles, extractors, and springs may all be exchanged for others without the necessity for taking the whole to pieces. Y Y. L ,or Y Y.
The barrels are independent of each other, so that should one or more of them get out ol' order the remaining ones may, without any interruption to thev tiring, be supplied. Moreover, being independent ot' the mechanism, they may easily be cleaned and exchanged for others.
The magazines are devoid of loose weights,
springs, and weakening grooves; consequently they are strong and not liable to get out of order, and may, without inconvenience, be conveyed ready charged.
The system admits of the use of cartridges of different lengths, provided the magazine and carrier-block are made to correspond.
The feeding proceeds uninterruptedly without any other exchange byhand being requisite than the changing of the magazine for each two'hundred and fiftieth shot or more. The cartridges, moreover, during the feeding process have more time to escape than in the re-Y volvin g systems nowin use, since more orifices are used, and the feeding apparatus is stationary during the introduction ot the cartridges, which, on entering the barrels, are not pressed by others lying above them, and thus the otherwise common*inconvenience of the suspending and squeezing of the cartridges-is entirely removed.
The rarely-occurring change of magazines, which is easily effected, however, in a few seconds, renders the firing less dependent on an unpracticed and careless service.
The spent cartridge-cases are removed with certainty after each discharge; but even supposing that the cases from some reason or other should remain in one or more of the barrels, the tiring of the other is not thereby hindered. Hanging tire when using ammunition of an inferior quality does not cause any inconvenience, as the breech-pins remain closed sufficiently long. The closeness of the breech-pins is complete, and the recoil is received by the heavy gun-box, thereby preventing its affecting the firing mechanism.
The ring mechanism may instantly be shut Y or locked, so as to prevent the percussion-hammers 4from acting, and the men may thus be exercised, although the cartridges may be loaded with ball, without any danger of their exploding, and without any useless compression of the springs.
The mainsprin gs are uniform, and but slightly compressed relatively to their length, thus tending to increase their durability.
Both the firing and the spreading of the projectiles is effected automatically, and either shot after shot may be fired, or volley on volley, and the spreading operation may be angmented or diminished atpleasnre, orbe effected by hand with the pointing-instrument. The vertical and horizontal aim with the pointinginstrnment may be accomplished by the gunner by hand and during the irin g.
Rapidity of the discharge, now amounting to ten shots a second, may on an average be reckoned at five hundred a minute, and can be increased to a greater extent than by any hitherto known system.
The loading can be done by hand should the magazine be wanting, and the rapidity of the discharge is even then equal to that of the French mitrailleuse.
The serving is effected by one man, whose sitting posture presents only a very small er.l
posed surface, which may be still more diminished by employing a screen or shield.
The weight ofthe gun differs somewhat, according to the varying thickness of the material and the lengths of the barrels; but in any case the gun may be carried by the men alone, if necessary, over the roughest ground, and even on theifleld of battle.
Finally, the gun can be instantlydismounted by removing the carrier-block, which is easily accessible, and is necessary for the use of the gun, and cannot readily be replaced.
The gun may easily be lifted from its carriage by knocking out the wedge in front of the ball on the elevating-screw.
Having now described and particularly ascertained the natnre of the said invention,
and the manner in which the same is or may be used or carried into effect, I would observe `in conclusion that what I consider to be novel and original, and therefore claim as the invention secured to me by the hereinbeforc in part recited Letters Patent, is-
l. rEhe combination of the parallel breechloading barrels, irinly fixed in a cross-piece at their rear ends, with the pivoted snpportingframe, the slotted driving-plate 20, the feeding-arm 36, the carrier-block, the spreadingcrank 45, and the vibrating hand-lever, all arranged and operating substantially as' described.
2. The combination of the vibrating handlever and the lever-arm 32, provided with tooth 34, with the bolt-plate and its bolts 22, and notch, whereby the gun-box is bolted rmly in place for firing, substantially as described.
3. The combination of the vibrating handlever and the lever-arm 32, having the trigger 29, with the trigger-comb, having teeth of different lengths, all beveled on the same side, and the firing-pins, whereby the successive firing of the barrels is effected, substantially as described.
4. The combination of the bent lever to be` operated by the gunner, the grooved spreadin g-crank 45, the adjustable pivoted link 47, and the slide 48 with the supporting-frame, whereby the lateral oscillation of the barrels and the spreading of the projectiles during the period of the successive tiring ofthe barrels is effected, substantially as described.
5. The combination ofthe trigger-comb with its arms and varying sized and inclined teeth,
the spring, and short lever 27, which tend to I carry the comb to the left, and the adjustable catch 31, which will hold the comb in its extreme limit of throw to the right, all constructed and operating together substantially as described.
6. The combination of the forked feedingarm 36, the gun-box, provided with the downwardly-projectin g lug 42, which engages with the forked feeding-arm, pushing it to one side, and the carrier-block attached to the forward end of the feeding-arm, the combination being and operating substantially as described.
HELGE PALMORANTZ.
Witnesses:
CARL NL AHRNEW, NEIL A. ELFWING.
Publications (1)
Publication Number | Publication Date |
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US220545A true US220545A (en) | 1879-10-14 |
Family
ID=2289945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US220545D Expired - Lifetime US220545A (en) | Improvement in machine-guns |
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US (1) | US220545A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048900A (en) * | 1976-06-18 | 1977-09-20 | Lock William E | Extraction assembly |
-
0
- US US220545D patent/US220545A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048900A (en) * | 1976-06-18 | 1977-09-20 | Lock William E | Extraction assembly |
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