US2115483A - Arrangement for controlling firearms - Google Patents

Arrangement for controlling firearms Download PDF

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Publication number
US2115483A
US2115483A US71267A US7126736A US2115483A US 2115483 A US2115483 A US 2115483A US 71267 A US71267 A US 71267A US 7126736 A US7126736 A US 7126736A US 2115483 A US2115483 A US 2115483A
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United States
Prior art keywords
piston
gun
cylinder
valve
pneumatic
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Expired - Lifetime
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US71267A
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English (en)
Inventor
Defives Raymond
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.)
Servo Frein Dewandre SA
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Servo Frein Dewandre SA
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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
    • 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
    • F41A7/02—Machine gun rechargers, e.g. manually operated
    • F41A7/04—Machine gun rechargers, e.g. manually operated fluid operated
    • 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
    • F41A19/55—Fluid-operated firing mechanisms

Definitions

  • pneumatic device for-the remote control of ma- Figure 8 is a longitudinal section of an alterchine guns on aeroplanes, and in particular those native pneumatic apparatues having a locking mounted on the wings of aeroplanes. arrangement shown in the disengaged position. 5
  • Figure 9 is a fragmentary view, similar-to Figpact device of reduced weight and bulkiness, fixed ure 8, showing the locking arrangement in the to the machine gun support, the various auxil' engaged position.
  • Vfluid motors in- Figure 10 is a diagrammatic vertical section of 10 tended to operate the controls for manoeuvring, a pneumatic push valve. 10
  • I0 designates the frame which machine gun, which controls are not xedly consupports the 1operating motors of the arrangenected to the lauxiliary motors, so as to 4permit a "merit,l and which is fixed at II and I2 to the suprapid removal and replacement of the gun on its porting bolts of the machine gun butt I3.
  • a cylinder I6, integral with the said frame, has 15 Further, the invention provides the use, for the a piston I5 with a hollow stem I6 slidable at I'l distribution of pneumatic fluid to the various and having at its end remote from the piston an auxiliary motors, vof either electropneumatic abutment I8 for operating the cocklnghandle I9 valves, or of a distributing cock or push valves, 0f the machine gun when the piStn I5 iS dis- 80 or again the combined use of .
  • fOr ation of the machine gun controls whatever be returning the Piston t0 its POSitiOn 0f leSil iS DI'O- l the distance between the gun and the operators vided Within the hOllOW stem IG and is xed at pes@ one end, at 2 2, to the bottom of the said stem and 26 1n one embodiment of the pneumatic operaiat the other end, at 23, at the inlet end of the 25 ing mechanism, the latter comprises a device for cylinder '5- locking the machine gun, which is unlocked auto-
  • a P0 24 is Pmvided in the Wall 0f th? Wim' maticeiiy by the eoeking eperatien of the gun.
  • stirlieregilrlli'gui tigioseyltizggire ias, 35 ons of fest v iig ii, ti'ti'hsincn it ii e. .im uriiire 2 is avsection on the line 2-2 of Figgak-crgecgaodi aedunked le to alizeii 40 i urllre 3 is., a section on the une 3 3 of Fig' in a convnient walyviiy aoxlrlimlbgr 38s1rlirtgd iinlugurfegs a plm? of .the arrangelient shown onggailuab'itgegeg!:,'ltlleeeilnof the lever 86,
  • Figure 5 is a diagrammatic viewoi a pneumatic git si trigger n pmvi'ded for ming the 45 'i fluid control system operable by electro-magnetic
  • Figure 6 is a diagrammatic View 0f a pneupiston which can be moved in both'directions 5o' matic uid control system operable by -electroby pneumatic iiuid admitted either through the 5 magnetic valves and designed to be used when port 43 or the port 44 in the cylinder 4
  • Figure 'l is a diagrammatic view of an alterin' an airtight manner through the end wall of native pneumatic apparatus operated byv comthe cylinder 4I and is linked at 46 to one end of a 1g 56 pressed air, with the iiuid distribution lcontrolled lever 41 pivoted at 48 to the frame I0.
  • the other end 49 of this lever is bentand ends in a fork whose arms 49a and 49h engage one of the lateral projections 50 of the safety lock 5I provided on the butt of the machine gun ( Figure 4).
  • electro- -magnetic valves 52, 53, 54 and 55 ( Figure '5) of any known type for distributing pneumatic uid, are connected on the one hand through the pipe 56 to a compressed air reservoir, and on theother hand to each of the motor cylinders.
  • the valve 52 is connected through the pipe 20a to the port 20 in the cylinder I4.
  • the valve 53 is connected through the pipe 21a to the port 21 in the cylinder 25.
  • the valves 54 and 55 are con- -nected respectively to ports 43 and 44 in' the cylinder 4I through pipes 43a and 44a.
  • v'I'he coil of each electro-magnetic valve is connected by a conducting wire 58 to one of the poles of a storage battery 51.
  • 'Ihe other pole of the battery 51 is connected by a wire 59 to a switch board provided within the operators reach at the operators place.
  • the operating circuit of the valve 52 for cocking the machine gun comprises a reversing switch button 60 having two operative positions, which is connected by wires 6I and 62 to a reversing switch 63, the latter being connected by the wire 64 to the coil ofthe valve 52.
  • 'Ihe switch 63 is a reversing switch of any ratchet driven type, whose lever 65 is controlled automatically by the movements of the piston I5 when the latter reaches the end of its operating stroke and is returned to its initial position by resilient means.
  • the valve 53 which controls the trigger for ring the gun is operated electrically by a push button 66 connected through a wire 61 to the coil of the valve 53.
  • the two positions of the safety lock 5I are controlled by the valves 54 and 55, the coils of Ywhich may be connected to the battery through the wires 68 and 69 respectively and thethrow over switch 10 which normally breaks the electric circuit.
  • the switch board may be arranged in such a manner that the operator by actuating one of the switches, may control one or more of the machine guns at will.
  • the cooking handle I9 being ⁇ freed from the labutment I8 may move during tiring without being impeded by the said abutment I8.
  • the gunner wishes to engage the'gsafety lock to prevent any accidental firing of the machine gun on landing, or to disengage the said bolt to allow the gun to be operated, he will actuate the throw over switch 10 for closing the circuit 'of the coll of either the valve 54 or the valve 55, which operate the desired displacement of the piston 42 in the double acting cylinder 4i, which, through the stem 45 of the pivoted lever 41 and the fork 49, will actuate the projection 50 on the lock 5I.
  • the device such as designed to be operated by compressed airA allows a compact apparatus to be realized, having a minimum of both bulkiness and weight.
  • Electro-magnetic control according to the invention may be devised according to an alternative form shown in Figure 6, such aste operate by means of the suction existing in the intake pipe of the internal combustion engines, or by means of a vacuum created in the reservoir 1I by a vacuum pump operated in any convenient manner.
  • the mechanical arrangement is substantially the same as for compressed air. Since the motive force is obtained in this alternative construction by the difference in pressure, between thel degree of vacuum and atmospheric pressure movement of the motor pistons will be effected by suction.
  • the size of the various operating cylinders must be such that at high altitudes the vacuum will still be suilicient to actuate the various controls of the gun.
  • the motorsA operating the cooking and locking devices of the gun are connected to the compressed air source through a distributing cock 12 ( Figure '7), whilst the motor actuating the trigger for iiring the gun is connected to a iluid source by means of a of the latter.
  • a horse-shoeshaped channel. 18 providedjin the plug of the cock allows ⁇ theports 15, 16 and v11 to be connected to ythe atmosphere by way of the port-80.
  • control handle 13 After operating any of the'- motors the control handle 13 is returned to, and held byjany convenient means in an intermediate -position, such as to cut off normally thecommunication between the uid source and the motors, and connect ⁇ these latter to theatmospliere.
  • the invention v provides means for damping such blows.
  • One of these means comprises a cut away portion 8
  • the apparatus is ⁇ provided with a device for locking a machine gun whatever be 'the type
  • the locking device consists of a cylinder 83 integral with the Yframe I8 and arranged at the side of the cylinder I8.
  • the operation of the locking arrangement is as follows-When having ceased firing, the gunner wishes to lock the machine gun, he operates the control for the ladmission of uid to the port 88.
  • is moved towards the right under the inuence of compressed air and moves with it the stem 85, whose end comes into contact with the cocking handle I 8, thus preventing vmovement of this latter at one point in its travel, and so mechanically locking the automatic means of the .machine gun and stopping its fire.
  • Such a valve is shown'in Figure y10 and consists of a valve casing 85, in which two valves 86 and 81 lined with elastic material, connected by a u stem 88, maybe moved against a spring 88 under the infiuenceof pressure on the push-button
  • valve which has just been described may equally well be used for the control of any deviceA operated by compressed fluid.
  • pneumatic machine gun control mechanism is arranged in such a f-way as to allow-'the rapid removal and replacement of a damaged gun. -Indeed, in order to remove the gun, it is suiiicient l to disconnect the pivotal connection 38, which -consists of a spring pressed ball joint, provided in the trigger control rodding, and then to remove the gunlaterally, which eects a simultaneous disconnection of the gun but from the supporting bolts and I2, and also of the safety lock 5
  • a gun including a cooking device, a trigger and locking mechanism, a rst auxiliary motor having a pneumatic driving member, re-
  • auxiliary motor ⁇ having a pneumatic driving member for. coacting with the locking means, said double acting auxiliary motor actuated in one direction to engage the locking means and in the other direction to disengage said locking means, said auxiliary motors being moimted on a common support to form a single -monoblock unit independent of the gun and xed onto the gun support to allow rapid removal and replacement of the gun from and to its support, and means for distributing compressed fluid from a distance to said ⁇ pneumatic motors.
  • the means for distributing compressed iiuld to the pneumatic motors comprise a iluidl distributor for each pneumatic motor, three chambers formed in said distributor, the iirst of said chambers being in communication with the source of fluid, the second chamber being in communication with the pneumatic motors, and the third chamber being in communication with the atmosphere, a valve in said rst chamber, a seat in said chamber for said valve, a spring acting upon said valve, an elastic lining on the head of said valve to be normally pressed upon said seat by the combined action of said spring and of the compressed uid acting on the underside oi said valve, a second valve provided in the third chamber, a seat for said second Y valve, an elastic lining on said second valve to be pressed against the seat for the said second valve when the latter isactuated to cut the communication between the atmosphere and the pneumatic motor, and means integral with said second
  • a pneumatic device for the remote control of the actuating members of a machine gun the combination of a breech block and cocking means, a cylinder associated with the gun, a piston operating in the cylinder, a piston rod extending from the piston, iiuid pressure means for operating the piston in one direction, a spring for operating the piston in the opposite direction, the free end of the piston rod when the piston is operated by uid pressure extending into the path of movement of the cocking means to limit the movement of the breech block whenthe gun is red and to automatically lock the cocking device.
  • a pneumatic device for the remote control of the actuating members of a machine gun
  • a breech block and cocking means a cylinder associated with the gun, a piston operating in the cylinder, a piston rod extending from the piston
  • -iluid pressure means for operating the piston in one direction
  • a spring for operating the piston in the opposite direction
  • the free end'of the piston rod when the piston is operated by uid pressure extending into the path of movement of the cocking means to limit the movement of the breech block when the gun is fired and to automatically lock the cocking device
  • iiuid pressure means for unlocking the piston and its rod to permit the spring to return the parts to normal position.
  • a cylinder associated with the gun a piston operating in the cylinder, a piston rod extending from the piston and formed with an annular groove, fluid pressure means for operating the piston in one direction, a spring for operating the piston in the opposite direction, the free end of the piston rod when the piston is operated by fluid pressure extending into the path of movement of the cocking means to limit the movement of the breech block when the gun is fired, and to automatically lock the cocking device, a guide arranged at right angles to the pistonV rod, a bolt slidably mounted in the guide, a spring acting on the bolt' to cause the latter to engage in the groove in the piston rod when the latter is operated by fluid-pressure and reaches the limit of its operating position, iluid operated means for disengaging the bolt from the groove to unlock the cocking means, and means for distributing fluid to the cylinder and the bolt disengaging means.
  • a breech block and cocking matically lock the cocking device, a guide ar' ranged at right angles to the piston rod, a bolt slidably mounted in the guide, said bolt having its free end bevelled, a spring acting ,on the bolt to cause the latter to engage in the groove in the ⁇ piston rod when the latter is operated by fluid pressure and reaches the limit of its operating position, a second cylinder, a piston and rod operating in said second mentioned cylinder, a tappet on the free end'of the second mentioned piston rod to cooperate with the breech block and cocking means upon operation of the-second mentioned piston by fluid pressure, a spring-for returning the second mentioned piston tonor'mal position, the
  • second mentioned piston rod having a cam shaped recess near its free end with which the bevelled end of the bolt cooperates to release the rst mentioned piston rod and free the cocking means when the second mentioned piston is actuated by uidpressure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
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US71267A 1935-04-03 1936-03-27 Arrangement for controlling firearms Expired - Lifetime US2115483A (en)

Applications Claiming Priority (1)

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FR800050T 1935-04-03

Publications (1)

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US2115483A true US2115483A (en) 1938-04-26

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US (1) US2115483A (en(2012))
BE (1) BE414817A (en(2012))
FR (1) FR800050A (en(2012))
GB (2) GB470383A (en(2012))
NL (1) NL48764C (en(2012))

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440071A (en) * 1945-03-15 1948-04-20 Bendix Aviat Corp Semiautomatic hydraulic-electric gun charger
US2457242A (en) * 1944-11-30 1948-12-28 United Shoe Machinery Corp Gun turret
US2756983A (en) * 1951-03-26 1956-07-31 James F Furcini Load weighing and supporting mechanism
US2814971A (en) * 1953-05-04 1957-12-03 North American Aviation Inc Gun charger
USD587766S1 (en) 2006-07-20 2009-03-03 Kee Action Sports I Llc Paintball field marker
DE102024201646A1 (de) 2023-02-24 2024-08-29 Keysight Technologies Inc. A Delaware Corporation Emulation von räumlich verteilten objekten mit einem dünnbesiedelten array von radarzielsimulatoren

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457242A (en) * 1944-11-30 1948-12-28 United Shoe Machinery Corp Gun turret
US2440071A (en) * 1945-03-15 1948-04-20 Bendix Aviat Corp Semiautomatic hydraulic-electric gun charger
US2756983A (en) * 1951-03-26 1956-07-31 James F Furcini Load weighing and supporting mechanism
US2814971A (en) * 1953-05-04 1957-12-03 North American Aviation Inc Gun charger
USD587766S1 (en) 2006-07-20 2009-03-03 Kee Action Sports I Llc Paintball field marker
DE102024201646A1 (de) 2023-02-24 2024-08-29 Keysight Technologies Inc. A Delaware Corporation Emulation von räumlich verteilten objekten mit einem dünnbesiedelten array von radarzielsimulatoren

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Publication number Publication date
GB470383A (en) 1937-08-13
BE414817A (en(2012))
FR800050A (fr) 1936-06-25
NL48764C (en(2012))
GB466151A (en) 1937-05-24

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