WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F41A　FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

F41A 1/00 Missile propulsion characterised by the use of explosive or combustible propellant charges (projecting missiles without use of explosive or combustible propellant charge F41B; launching rockets or torpedoes F41F 3/00; missile self-propulsion F42B 15/00)

F41A 1/02 ・Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion

F41A 1/04 ・Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel

F41A 1/06 ・Adjusting the range without varying elevation angle or propellant charge data, e.g. by venting a part of the propulsive charge gases, or by adjusting the capacity of the cartridge or combustion chamber {(adjusting the range by using gas-relieving ports in the barrel F41A 21/28)}

F41A 1/08 ・Recoilless guns, i.e. guns having propulsion means producing no recoil

F41A 1/10 ・・a counter projectile being used to balance recoil

F41A 3/00 Breech mechanisms, e.g. locks

F41A 3/02 ・Block action, i.e. the main breech opening movement being transverse to the barrel axis

F41A 3/04 ・・with pivoting breech-block

F41A 3/06 ・・・about a horizontal axis transverse to the barrel axis at the rear of the block (F41A 3/08 takes precedence)

F41A 3/08 ・・・carrying a rotably mounted obturating plug of the screw-thread or the interrupted-thread type (F41A 3/30 takes precedence)

F41A 3/10 ・・with sliding breech-block, e.g. vertically

F41A 3/12 ・Bolt action, i.e. the main breech opening movement being parallel to the barrel axis

F41A 3/14 ・・Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively

F41A 3/16 ・・・the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks

F41A 3/18 ・・・・hand-operated

F41A 3/20 ・・・・・Straight-pull operated bolt locks, i.e. the operating hand effecting only a straight movement parallel to the barrel axis

F41A 3/22 ・・・・・the locking being effected by rotating the operating handle or lever transversely to the barrel axis

F41A 3/24 ・・・・・・the locking elements forming part of the operating handle or lever

F41A 3/26 ・・・・semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt

F41A 3/28 ・・・・・having fixed locking elements on the non-rotating bolt and rotating locking elements mounted on the barrel or breech housing, e.g. rotatable rings

F41A 3/30 ・・・・Interlocking means, e.g. locking lugs, screw threads

F41A 3/32 ・・・the bolt being rocked about a notional axis transverse to the barrel axis

F41A 3/34 ・・・the bolt additionally effecting a sliding movement transverse to the barrel axis

F41A 3/36 ・・Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing

F41A 3/38 ・・・having rocking locking elements, e.g. pivoting levers or vanes

F41A 3/40 ・・・・mounted on the bolt (F41A 3/42 takes precedence)

F41A 3/42 ・・・・hand-operated

F41A 3/44 ・・・having sliding locking elements, e.g. balls, rollers

F41A 3/46 ・・・・mounted on the bolt (F41A 3/48 takes precedence)

F41A 3/48 ・・・・hand-operated

F41A 3/50 ・・・Toggle-joint locks, e.g. crank-operated

F41A 3/52 ・・・・hand-operated

F41A 3/54 ・・Bolt locks of the unlocked type, i.e. being inertia operated

F41A 3/56 ・・・the bolt being provided with an additional slidable mass

F41A 3/58 ・Breakdown breech mechanisms, e.g. for shotguns

F41A 3/60 ・Breech mechanisms for guns having two or more barrels (F41A 3/58 takes precedence; for revolving-cannon guns F41F 1/10)

F41A 3/62 ・using combustion gas pressure for adding to the mechanical locking action, or for delaying breech opening movement

F41A 3/64 ・Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings

F41A 3/66 ・・Breech housings or frames; Receivers

F41A 3/68 ・・Bolt stops, i.e. means for limiting bolt opening movement

F41A 3/70 ・・Anti-rebound arrangements, i.e. preventing rebound of the bolt out of the firing position; {(Safeties for locking the breech-block or bolt in a safety position F41A 17/42)}

F41A 3/72 ・・Operating handles or levers; Mounting thereof in breech-blocks or bolts F41C 7/02, F41C 7/06 take precedence)}

F41A 3/74 ・・Obturating or packing devices for gas leak prevention in breech mechanisms

F41A 3/76 ・・・specially adapted for sealing the gap between the forward end of the cartridge chamber and the rearward end of the barrel, e.g. sealing devices for revolvers or revolver-type guns

F41A 3/78 ・・Bolt buffer or recuperator means

F41A 3/80 ・・・Adjustable spring buffers

F41A 3/82 ・・・Coil spring buffers (F41A 3/80 takes precedence)

F41A 3/84 ・・・・mounted within the gun stock

F41A 3/86 ・・・・mounted under {or above} the barrel

F41A 3/88 ・・・・mounted around the barrel

F41A 3/90 ・・・Fluid buffers {(F41A 3/62 takes precedence)}

F41A 3/92 ・・・・adjustable

F41A 3/94 ・・・・in combination with spring buffers

F41A 5/00 Mechanisms or systems operated by propellant charge energy for automatically opening the lock

F41A 5/02 ・recoil-operated

F41A 5/04 ・・the barrel being tilted during recoil

F41A 5/06 ・・the barrel being rotated about its longitudinal axis during recoil

F41A 5/08 ・・having an accelerator lever acting on the breech-block or bolt during the opening movement

F41A 5/10 ・・having a movable inertia weight {e.g. for storing energy}

F41A 5/12 ・・・mounted in a gun having a fixed barrel

F41A 5/14 ・・Barrel stops, i.e. devices for holding the recoiling barrel in a predetermined position, e.g. the recoil position

F41A 5/16 ・・having a barrel moving forwardly after the firing of a shot

F41A 5/18 ・gas-operated

F41A 5/20 ・・using a gas piston arranged concentrically around the barrel

F41A 5/22 ・・having two or more gas pistons

F41A 5/24 ・・by direct action of gas pressure on bolt or locking elements

F41A 5/26 ・・Arrangements or systems for bleeding the gas from the barrel (F41A 5/20 to F41A 5/24 take precedence)

F41A 5/28 ・・・Adjustable systems

F41A 5/30 ・Gas- or recoil-operated, e.g. selection of gas- or recoil-operated systems

F41A 5/32 ・Energy accumulator systems, i.e. systems for opening the breech-block by energy accumulated during barrel or gas piston recoil

F41A 5/34 ・・with spring accumulators

F41A 5/36 ・・with fluid accumulators

F41A 7/00 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

F41A 7/02 ・Machine gun rechargers, e.g. manually operated (F41A 3/72 takes precedence)

F41A 7/04 ・・fluid operated

F41A 7/06 ・・electrically operated

F41A 7/08 ・Drives for externally-powered guns, i.e. drives for moving the breech-block or bolt by an external force during automatic firing

F41A 7/10 ・・using a rotating cylindrical drum having a camming groove (F41F 1/10 takes precedence)

F41A 9/00 Feeding or loading of ammunition ({conveying ammunition through pipes by the action of flowing gases B65G 51/025}; adaptations for feeding or loading missiles from magazines in air guns F41B 11/02); Magazines; Guiding means for the extracting of cartridges (cartridge extractors or ejectors F41A 15/00)

F41A 9/01 ・Feeding of unbelted ammunition

F41A 9/02 ・・using wheel conveyers, e.g. star-wheel-shaped conveyers

F41A 9/03 ・・using screw or rotary-spiral conveyers

F41A 9/04 ・・using endless-chain belts carrying a plurality of ammunition

F41A 9/05 ・・・in tandem sequence

F41A 9/06 ・・using cyclically moving conveyers, i.e. conveyers having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke

F41A 9/07 ・・・Reciprocating conveyers, i.e. conveyers pushing a plurality of ammunition during the feeding stroke

F41A 9/09 ・・・Movable ammunition carriers or loading trays, e.g. for feeding from magazines {(locking of ammunition in ammunition containers or loading trays F42B 39/22)}

F41A 9/10 ・・・・pivoting or swinging

F41A 9/11 ・・・・・in a horizontal plane

F41A 9/12 ・・・・・・mounted within a smallarm

F41A 9/13 ・・・・・in a vertical plane

F41A 9/14 ・・・・・・{which is} transverse to the barrel axis

F41A 9/15 ・・・・・・・mounted within a smallarm

F41A 9/16 ・・・・・・{which is} parallel to the barrel axis

F41A 9/17 ・・・・・・・mounted within a smallarm

F41A 9/18 ・・・・・・・・feeding from a {tubular} magazine under the barrel

F41A 9/19 ・・・・・・・・feeding from a {tubular} magazine mounted in the stock

F41A 9/20 ・・・・sliding, e.g. reciprocating

F41A 9/21 ・・・・・in a vertical direction (F41A 9/23 takes precedence)

F41A 9/22 ・・・・・in a horizontal direction (F41A 9/23 takes precedence)

F41A 9/23 ・・・・・mounted within a smallarm

F41A 9/24 ・・using a movable magazine or clip as feeding element

F41A 9/25 ・・・using a sliding clip

F41A 9/26 ・・・using a revolving drum magazine

F41A 9/27 ・・・・in revolver-type guns

F41A 9/28 ・・・・・of smallarm type (in revolvers F41C 3/14)

F41A 9/29 ・Feeding of belted ammunition

F41A 9/30 ・・Sprocket-type belt transporters

F41A 9/31 ・・・with cartridge stripping means

F41A 9/32 ・・Reciprocating-slide-type belt transporters

F41A 9/33 ・・・with cartridge stripping means

F41A 9/34 ・・from magazines (magazines for belted ammunition per se F41A 9/79)

F41A 9/35 ・Feeding multibarrel guns

F41A 9/36 ・・Feed mechanisms for revolving-cannon guns

F41A 9/37 ・Feeding two or more kinds of ammunition to the same gun; Feeding from two sides

F41A 9/375 ・・{Feeding propellant charges and projectiles as separate units}

F41A 9/38 ・Loading arrangements, i.e. for bringing the ammunition into the firing position

F41A 9/39 ・・Ramming arrangements

F41A 9/40 ・・・the breech-block itself being the rammer

F41A 9/41 ・・・・pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber

F41A 9/42 ・・・Rammers separate from breech-block

F41A 9/43 ・・・・Chain rammers

F41A 9/44 ・・・・Fluid-operated piston rammers

F41A 9/45 ・・the cartridge chamber or the barrel as a whole being tiltable {or transversely slidable} between a loading and a firing position {(F41A 9/25 and F41A 9/27 take precedence)}

F41A 9/46 ・・the cartridge chamber being formed by two complementary elements, movable one relative to the other for loading

F41A 9/47 ・・using forwardly-sliding barrels or barrel parts for loading

F41A 9/48 ・・Loading by gravitational force

F41A 9/49 ・Internally-powered drives, i.e. operated by propellant charge energy, e.g. couplings, clutches, energy accumulators

F41A 9/50 ・External power or control systems

F41A 9/51 ・・Boosters, i.e. externally-powered motors

F41A 9/52 ・Arrangements for changing from automatic or magazine-loading to hand-loading

F41A 9/53 ・Charged-condition indicators, i.e. indicating the presence of a cartridge in the cartridge chamber

F41A 9/54 ・Cartridge guides, stops or positioners, e.g. for cartridge extraction

F41A 9/55 ・・Fixed {or movable} guiding means, mounted on, or near, the cartridge chamber

F41A 9/56 ・・Movable guiding means {(F41A 9/55 takes precedence)}

F41A 9/57 ・・・Flexible chutes, e.g. for guiding belted ammunition from the magazine to the gun

F41A 9/58 ・・Cartridge stops; Cartridge positioners

F41A 9/59 ・Ejectors for clips or magazines, e.g. when empty

F41A 9/60 ・Empty-cartridge-case or belt-link collectors or catchers (F41A 9/81 takes precedence)

F41A 9/61 ・Magazines

F41A 9/62 ・・having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators (last-round safeties F41A 17/40)

F41A 9/63 ・・specially adapted for releasable connection with other magazines

F41A 9/64 ・・for unbelted ammunition

F41A 9/65 ・・・Box magazines having a cartridge follower

F41A 9/66 ・・・・Arrangements thereon for charging i.e. reloading (apparatus or tools for reloading of magazines F41A 9/83)

F41A 9/67 ・・・・・having means for depressing the cartridge follower, or for locking it in a depressed position

F41A 9/68 ・・・・Plural magazines, e.g. tandem magazines {Arrangements of cartridges in two or more independent rows or channels which are selectively or sequentially brought into operative position}

F41A 9/69 ・・・・characterised by multiple-row or zigzag arrangement of cartridges

F41A 9/70 ・・・・Arrangements thereon for discharging, e.g. cartridge followers or discharge throats

F41A 9/71 ・・・・Arrangements thereon for varying capacity; Adapters or inserts for changing cartridge size or type

F41A 9/72 ・・・Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence

F41A 9/73 ・・・Drum magazines

F41A 9/74 ・・・・with radially disposed cartridges

F41A 9/75 ・・・・having a spiral cartridge channel

F41A 9/76 ・・・Magazines having an endless-chain conveyer

F41A 9/77 ・・・Magazines having a screw conveyer

F41A 9/78 ・・・Magazines having a reciprocating conveyer

F41A 9/79 ・・for belted ammunition

F41A 9/80 ・・・having provision for quick-coupling of the belts of adjacent magazines

F41A 9/81 ・・・having provision for collecting belt links or empty cartridge cases

F41A 9/82 ・Reloading {or unloading} of magazines

F41A 9/83 ・・Apparatus or tools for reloading magazines with unbelted ammunition e.g. cartridge clips

F41A 9/84 ・・・Clips

F41A 9/85 ・・・・for reloading revolver-type magazines

F41A 9/86 ・・Feeding belted ammunition into magazines

F41A 9/87 ・Ammunition handling dollies or transfer carts (F41A 9/86 takes precedence)

F41A 11/00 Assembly or disassembly features; Modular concepts; Articulated or collapsible guns (F41A 3/64, F41A 19/10 to F41A 19/15, F41A 21/48, F41A 25/26 take precedence)

F41A 11/02 ・Modular concepts, e.g. weapon-family concepts

F41A 11/04 ・Articulated or collapsible guns, i.e. with hinged or telescopic parts for transport or storage (breakdown shotguns or rifles F41C 7/11; folding or telescopic stocks or stock parts F41C 23/04)

F41A 11/06 ・・Telescopic guns

F41A 13/00 Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems

F41A 13/02 ・Heating systems

F41A 13/04 ・Injecting fluids into barrels or cartridge chambers (F41A 13/08 takes precedence)

F41A 13/06 ・Evacuating combustion gas from barrels (F41A 13/10 takes precedence)

F41A 13/08 ・・Bore evacuators, i.e. chambers disposed around barrels for storing part of the combustion gas and subsequently injecting it into the barrel to provide suction

F41A 13/10 ・Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil

F41A 13/12 ・Systems for cooling the outer surface of the barrel (F41A 13/10, F41A 21/24 take precedence)

F41A 15/00 Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun (F41A 9/54, {F41C 9/08} take precedence; {Means for removing duds or misfires in rocket throwers F41F 3/058})

F41A 15/02 ・for revolver-type guns, e.g. revolvers

F41A 15/04 ・specially adapted for cartridge cases being deformed when fired, e.g. of plastics

F41A 15/06 ・for breakdown guns

F41A 15/08 ・for block-action guns

F41A 15/10 ・・of sliding-block type

F41A 15/12 ・for bolt-action guns

F41A 15/14 ・・the ejector being mounted on or within the bolt; {Extractors per se}

F41A 15/16 ・・the ejector being mounted on the breech housing or frame

F41A 15/18 ・for guns with forwardly slidable barrels

F41A 15/20 ・specially adapted for caseless-ammunition duds

F41A 15/22 ・Tools for extracting cartridges

F41A 17/00 Safety arrangements, e.g. safeties

F41A 17/02 ・Key-operated safeties {(F41A 17/44 takes precedence)}

F41A 17/04 ・Safeties of the combination-lock type (F41A 17/02 takes precedence)

F41A 17/06 ・Electric or electromechanical safeties (F41A 17/04, F41A 17/08 take precedence)

F41A 17/063 ・・{comprising a transponder}

F41A 17/066 ・・{having means for recognizing biometric parameters, e.g. voice control, finger print or palm print control}

F41A 17/08 ・for inhibiting firing in a specified direction, e.g. at a friendly person or at a protected area (F41A 27/02 takes precedence)

F41A 17/10 ・・Firing mechanisms with elevation stop

F41A 17/12 ・・Firing mechanisms with anti-canting safety

F41A 17/14 ・Double-loading prevention

F41A 17/16 ・Cook-off prevention, i.e. prevention of spontaneous firing of a cartridge by chamber wall heat

F41A 17/18 ・Hang-fire prevention

F41A 17/20 ・Grip or stock safeties, i.e. safeties disengaged by clasping the grip or stock (thumb-operated sliding safeties F41A 17/52, F41A 17/62, F41A 17/70, F41A 17/80)

F41A 17/22 ・・acting on the trigger

F41A 17/24 ・・acting on the firing pin

F41A 17/26 ・・acting on the hammer

F41A 17/28 ・・acting on the sear

F41A 17/30 ・Multiple safeties, i.e. {one safety element} acting on at least one element of the firing mechanism and at least one other element of the gun, e.g. the moving barrel

F41A 17/32 ・・the other element being the breech-block or bolt

F41A 17/34 ・Magazine safeties

F41A 17/36 ・・locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A 17/44 takes precedence)}

F41A 17/38 ・・{Magazine mountings, e.g. for} locking the magazine in the gun

F41A 17/40 ・Last-round safeties (F41A 17/34 takes precedence)

F41A 17/42 ・Safeties for locking the breech-block or bolt in a safety position (F41A 17/32, F41A 17/36, F41A 17/40 take precedence){(anti-rebound arrangements F41A 3/70)}

F41A 17/44 ・Safety plugs, e.g. for plugging-up cartridge chambers, {barrels, magazine spaces}

F41A 17/46 ・Trigger safeties, i.e. means for preventing trigger movement (F41A 17/02 to F41A 17/40 take precedence)

F41A 17/48 ・・Automatically operated trigger safeties, i.e. operated by breech opening or closing movement

F41A 17/50 ・・・by breakdown action

F41A 17/52 ・・Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns

F41A 17/54 ・・Protecting-caps for trigger guards; Trigger locking pieces mounted on, or within, the trigger guard

F41A 17/56 ・Sear safeties, i.e. means for rendering ineffective an intermediate lever transmitting trigger movement to firing pin, hammer, bolt or sear (F41A 17/02 to F41A 17/40 take precedence)

F41A 17/58 ・・automatically operated, i.e. operated by breech opening or closing movement

F41A 17/60 ・・・by breakdown action

F41A 17/62 ・・thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns

F41A 17/64 ・Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers (F41A 17/02 to F41A 17/40 take precedence)

F41A 17/66 ・・automatically operated, i.e. operated by breech opening or closing movement

F41A 17/68 ・・・by breakdown action

F41A 17/70 ・・Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns

F41A 17/72 ・・trigger-operated, i.e. the movement of the trigger bringing a firing-pin safety into inoperative position during the firing

F41A 17/74 ・Hammer safeties, i.e. means for preventing the hammer from hitting the cartridge or the firing pin (F41A 17/02 to F41A 17/40 take precedence)

F41A 17/76 ・・automatically operated, i.e. operated by breech opening or closing movement

F41A 17/78 ・・・by breakdown action

F41A 17/80 ・・Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns

F41A 17/82 ・・trigger-operated, i.e. the movement of the trigger bringing a hammer safety into inoperative position during firing

F41A 19/00 Firing or trigger mechanisms; Cocking mechanisms

F41A 19/01 ・Counting means indicating the number of shots fired

F41A 19/02 ・・Burst limiters (F41A 19/67 takes precedence)

F41A 19/03 ・Shot-velocity control (F41A 3/78, F41A 5/28, F41A 19/05, F41A 19/66 take precedence)

F41A 19/04 ・・by regulating the time of release of the firing pin or hammer

F41A 19/05 ・Synchronising for firing through the propeller of an aircraft

F41A 19/06 ・Mechanical firing mechanisms, {e.g. counterrecoil firing, recoil actuated firing mechanisms}(F41A 19/01 to F41A 19/05, F41A 19/59 take precedence)

F41A 19/07 ・・press-button actuated, e.g. with thumb rest

F41A 19/08 ・・remote actuated; lanyard actuated

F41A 19/09 ・・Auxiliary trigger devices (F41A 19/08 takes precedence)

F41A 19/10 ・・Triggers; Trigger mountings

F41A 19/11 ・・Trigger guards; Trigger-guard mountings (F41A 19/15 takes precedence)

F41A 19/12 ・・Sears; Sear mountings

F41A 19/13 ・・Percussion or firing pins, i.e. fixed or slidably-mounted striker elements; Mountings therefor {(F41A 19/26 takes precedence)}

F41A 19/14 ・・Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

F41A 19/15 ・・Modular firing mechanism units

F41A 19/16 ・・Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull (F41A 19/17 takes precedence)

F41A 19/17 ・・Hair-trigger mechanisms

F41A 19/18 ・・for multibarrel guns {or multiple guns}(F41A 19/68 takes precedence)

F41A 19/183 ・・・{for multiple guns, i.e. a plurality of guns being actuated by a single firing mechanism}

F41A 19/186 ・・・{having only one striker element and more than one trigger, each trigger acting on a single element (firing mechanisms having only one trigger and only one striker element F41A 19/22)}

F41A 19/19 ・・・with single-trigger firing possibility

F41A 19/20 ・・・・Double-trigger arrangements having the possibility of single-trigger actuation

F41A 19/21 ・・・・having only one trigger

F41A 19/22 ・・・・・and only one striker element

F41A 19/23 ・・・・・・rotatable about an axis parallel to the barrel axis for firing subsequent barrels

F41A 19/24 ・・Release-trigger mechanisms, i.e. the striker element being released during the return movement of the trigger subsequent to trigger pull

F41A 19/25 ・・having only slidably-mounted striker elements, i.e. percussion or firing pins

F41A 19/26 ・・・the percussion or firing pin and the breech-block or bolt forming one piece {(F41A 19/34 takes precedence)}

F41A 19/27 ・・・the percussion or firing pin being movable relative to the breech-block

F41A 19/28 ・・・・propelled by a cam or lever when the breech-block or bolt arrives in a closing position

F41A 19/29 ・・・・propelled by a spring under tension

F41A 19/30 ・・・・・in bolt-action guns

F41A 19/31 ・・・・・・Sear arrangements therefor (F41A 19/33 takes precedence)

F41A 19/32 ・・・・・・・for catching the percussion or firing pin after each shot, i.e. in single-shot or semi-automatic firing mode

F41A 19/33 ・・・・・・Arrangements for the selection of automatic or semi-automatic fire

F41A 19/34 ・・・・・・Cocking mechanisms

F41A 19/35 ・・・・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/36 ・・・・・in block-action guns

F41A 19/37 ・・・・・・Cocking mechanisms

F41A 19/38 ・・・・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/39 ・・・・・Cocking {or firing} mechanisms for other types of guns, e.g. fixed breech-block types, forwardly-slidable barrel types

F41A 19/40 ・・・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/41 ・・・・・・for breakdown guns

F41A 19/42 ・・having at least one hammer

F41A 19/43 ・・・in bolt-action guns

F41A 19/44 ・・・・Sear arrangements therefor (F41A 19/46 takes precedence)

F41A 19/45 ・・・・・for catching the hammer after each shot, i.e. in single-shot or semi-automatic firing mode

F41A 19/46 ・・・・Arrangements for the selection of automatic or semi-automatic fire

F41A 19/47 ・・・・Cocking mechanisms

F41A 19/48 ・・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/49 ・・・in block-action guns

F41A 19/50 ・・・・Cocking mechanisms

F41A 19/51 ・・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/52 ・・・Cocking {or firing} mechanisms for other types of guns, e.g. fixed breech-block types, revolvers

F41A 19/53 ・・・・Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

F41A 19/54 ・・・・for breakdown guns

F41A 19/55 ・Fluid-operated firing mechanisms

F41A 19/56 ・・Ignition of the propellant charge by contact with air heated by adiabatic compression

F41A 19/57 ・Firing mechanisms operating with primer cartridge

F41A 19/58 ・Electric firing mechanisms (F41A 17/10, F41A 17/12 take precedence)

F41A 19/59 ・・Electromechanical firing mechanisms, i.e. the mechanical striker element being propelled or released by electric means

F41A 19/60 ・・characterised by the means for generating electric energy

F41A 19/61 ・・・Inductive generators {(F41A 19/63 takes precedence)}

F41A 19/62 ・・・Piezo-electric generators

F41A 19/63 ・・having means for contactless transmission of electric energy, e.g. by induction, by sparking gap

F41A 19/64 ・・for automatic or burst-firing mode

F41A 19/65 ・・・for giving ripple fire, i.e. using electric sequencer switches for timed multiple-charge launching, e.g. for rocket launchers

F41A 19/66 ・・・Electronic shot-velocity control (F41A 19/65 takes precedence)

F41A 19/67 ・・・Burst limiters

F41A 19/68 ・・for multibarrel guns {or multibarrel rocket launchers or multicanisters}(F41A 19/65 takes precedence)

F41A 19/69 ・・Electric contacts or switches peculiar thereto (F41A 19/65 takes precedence)

F41A 19/70 ・・・Electric firing pins; Mountings therefor

F41A 21/00 Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A 25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C 27/06)

F41A 21/02 ・Composite barrels, i.e. barrels having multiple layers, e.g. of different materials

F41A 21/04 ・・Barrel liners

F41A 21/06 ・Plural barrels

F41A 21/08 ・・Barrel junctions

F41A 21/10 ・Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels

F41A 21/12 ・Cartridge chambers; Chamber liners (F41A 3/74, F41A 9/46, F41A 21/04 take precedence)

F41A 21/14 ・・Arrangement of cartridge chambers lateral to the barrel axis

F41A 21/16 ・Barrels or gun tubes characterised by the shape of the bore

F41A 21/18 ・・Grooves-Rifling

F41A 21/20 ・Barrels or gun tubes characterised by the material (F41A 21/02 takes precedence)

F41A 21/22 ・Barrels which have undergone surface treatment, e.g. phosphating {(F41A 21/44 takes precedence)}

F41A 21/24 ・Barrels or gun tubes with fins or ribs, e.g for cooling (F41G 1/42 takes precedence)

F41A 21/26 ・specially adapted for recoil reinforcement, e.g. for training purposes

F41A 21/28 ・Gas-expansion chambers; Barrels provided with gas-relieving ports (F41A 1/06, F41A 13/08{and F41A 21/36} take precedence)

F41A 21/30 ・Silencers

F41A 21/32 ・Muzzle attachments or glands (F41A 21/26, F41A 21/30, F41A 21/46 take precedence; {for projectile velocity measurements G01P 3/665, G01P 3/685})

F41A 21/325 ・・{Mountings for muzzle attachments}

F41A 21/34 ・・Flash dampers

F41A 21/36 ・・for recoil reduction (recoil reduction arrangements in general F41A 25/00); {Stabilisators; Compensators, e.g. for muzzle climb prevention}

F41A 21/38 ・・・adjustable, {i.e. the vent holes or the vent area being adjustable}

F41A 21/40 ・・Chokes for shotguns, {e.g. automatic chokes}

F41A 21/42 ・・・{manually} adjustable

F41A 21/44 ・Insulation jackets; Protective jackets

F41A 21/46 ・Barrels having means for separating sabots from projectiles

F41A 21/48 ・Barrel mounting means, e.g. releasable mountings for replaceable barrels

F41A 21/481 ・・{using partial or interrupted threads, e.g. bayonet-type mountings}

F41A 21/482 ・・{using continuous threads on the barrel}

F41A 21/484 ・・{using interlocking means, e.g. by sliding pins}

F41A 21/485 ・・{using screws or bolts}

F41A 21/487 ・・{using friction, e.g. by clamping a barrel surface}

F41A 21/488 ・・{Mountings specially adapted for pistols or revolvers}

F41A 23/00 Gun mountings, e.g. on vehicles; Disposition of guns on vehicles (F41A 25/00, F41A 27/00 take precedence)

F41A 23/005 ・{Locks for connecting guns to their mountings (F41A 23/50 takes precedence)}

F41A 23/02 ・Mountings without wheels

F41A 23/04 ・・Unipods

F41A 23/06 ・・・adjustable

F41A 23/08 ・・Bipods

F41A 23/10 ・・・adjustable

F41A 23/12 ・・Tripods; {Mountings having at least three legs}

F41A 23/14 ・・・adjustable

F41A 23/16 ・・Testing mounts

F41A 23/18 ・・Rests for supporting smallarms in non-shooting position (racks for storage A47B 81/00; racks in vehicles {B60R 7/14})

F41A 23/20 ・for disappearing guns

F41A 23/22 ・・on board of submarines

F41A 23/24 ・Turret gun mountings (feeding, loading or guiding ammunition F41A 9/00; mechanical elevating or traversing systems for turret guns F41A 27/18)

F41A 23/26 ・Mountings for transport only; Loading or unloading arrangements for guns for use with carrier vehicles (F41A 23/50 takes precedence)

F41A 23/28 ・Wheeled-gun mountings; Endless-track gun mountings

F41A 23/30 ・・the wheels being liftable from the ground for firing

F41A 23/32 ・・with split trails (F41A 23/30, F41A 23/46 takes precedence)

F41A 23/34 ・on wheeled or endless-track vehicles

F41A 23/36 ・・on trailers (F41A 23/42 takes precedence)

F41A 23/38 ・・on motor-cycles

F41A 23/40 ・・on rail vehicles

F41A 23/42 ・・for rocket throwers

F41A 23/44 ・on sledges

F41A 23/46 ・Trail spades

F41A 23/48 ・・elastic

F41A 23/50 ・Travelling locks; Brakes for holding the gun platform in a fixed position during transport

F41A 23/52 ・Base plates for gun mountings

F41A 23/54 ・・for mortars

F41A 23/56 ・Arrangements for adjusting the gun platform in the vertical or horizontal position (F41A 17/10, F41A 17/12 take precedence; {ground engaging vehicle fittings for lifting or supporting it B60S 9/04; supports for mobile cranes B66C 23/78})

F41A 23/58 ・・Hydraulic jacks

F41A 23/60 ・・Screw-operated jacks

F41A 25/00 Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes (recoilless guns F41A 1/08)

F41A 25/02 ・Fluid-operated systems

F41A 25/04 ・・adjustable, {e.g. in relation to the elevation of the gun}

F41A 25/06 ・Friction-operated systems

F41A 25/08 ・・adjustable

F41A 25/10 ・Spring-operated systems

F41A 25/12 ・・using coil springs

F41A 25/14 ・・・adjustable

F41A 25/16 ・Hybrid systems

F41A 25/18 ・・Hydroelastic systems

F41A 25/20 ・・Hydropneumatic systems

F41A 25/22 ・Bearing arrangements for the reciprocating gun-mount or barrel movement

F41A 25/24 ・・using ball or roller bearings

F41A 25/26 ・Assembling or dismounting recoil elements or systems

F41A 27/00 Gun mountings permitting traversing or elevating movement, e.g. gun carriages

F41A 27/02 ・Control systems for preventing interference between the moving gun and the adjacent structure

F41A 27/04 ・Scatter-fire arrangements, i.e. means for oscillating guns automatically during firing

F41A 27/06 ・Mechanical systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence)

F41A 27/08 ・・Bearings, e.g. trunnions; Brakes or blocking arrangements

F41A 27/10 ・・・Bearings for supporting a pivoting gun in a wall, e.g. a turret wall

F41A 27/12 ・・・Brakes or locks for blocking traversing or elevating gear in a fixed position

F41A 27/14 ・・・Central-pivot bearings

F41A 27/16 ・・・using raceway bearings, e.g. for supporting the turret

F41A 27/18 ・・for gun turrets (F41A 27/08 takes precedence)

F41A 27/20 ・・・Drives for turret movements

F41A 27/22 ・・Traversing gear (F41A 27/18 takes precedence)

F41A 27/24 ・・Elevating gear (F41A 27/18 takes precedence)

F41A 27/26 ・Fluid-operated systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence)

F41A 27/28 ・Electrically-operated systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence)

F41A 27/30 ・Stabilisation or compensation systems, e.g. compensating for barrel weight or wind force {on the barrel}

F41A 29/00 Cleaning or lubricating arrangements (injecting fluids into barrels or cartridge chambers F41A 13/04; {ammunition for cleaning purposes F42B 5/24})

F41A 29/02 ・Scrapers or cleaning rods

F41A 29/04 ・Lubricating, oiling or greasing means, e.g operating during use

F41A 31/00 Testing arrangements (testing mounts F41A 23/16)

F41A 31/02 ・for checking gun barrels

F41A 33/00 Adaptations for training (adaptations of barrels for recoil reinforcement F41A 21/26); Gun simulators (teaching or practice apparatus for gun-aiming or gun-laying F41G 3/26; {shooting games A63F 9/02; military simulation G09B 9/003})

F41A 33/02 ・Light- or radiation-emitting guns; {Light- or radiation-sensitive guns; Cartridges carrying light emitting sources, e.g. laser}

F41A 33/04 ・Acoustical simulation of gun fire, e.g. by pyrotechnic means

F41A 33/06 ・Recoil simulators

F41A 35/00 Accessories or details not otherwise provided for

F41A 35/02 ・Dust- or weather-protection caps or covers (protecting-caps for trigger guards F41A 17/54)

F41A 35/04 ・・Muzzle covers

F41A 35/06 ・Adaptation of guns to both right and left hand use

F41A 99/00 Subject matter not provided for in other groups of this subclass