1. CPC Sections
  2. CPC Section F
  3. CPC Class F41
  4. CPC Subclass F41A
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CPC
COOPERATIVE PATENT CLASSIFICATION
​​
F41A
FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE [2018-08]
NOTES

  • This subclass covers those features or details which are considered to be of a kind generally applicable to, or to be concerned with intrinsic functions common to, both smallarms and ordnance.
  • Such features or details are classified in this subclass, even if they are stated to be applied only to smallarms or only to ordnance.
  • Attention is drawn to the definitions given in Note (2) following the title of class F41.
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
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) [2013-01]
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 [2013-01]
F41A 1/04
.
Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel [2013-01]
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)} [2013-01]
F41A 1/08
.
Recoilless guns, i.e. guns having propulsion means producing no recoil [2013-01]
F41A 1/10
. .
a counter projectile being used to balance recoil [2013-01]
F41A 3/00
Breech mechanisms, e.g. locks [2013-01]
F41A 3/02
.
Block action, i.e. the main breech opening movement being transverse to the barrel axis [2013-01]
F41A 3/04
. .
with pivoting breech-block [2013-01]
F41A 3/06
. . .
about a horizontal axis transverse to the barrel axis at the rear of the block (F41A 3/08 takes precedence) [2013-01]
F41A 3/08
. . .
carrying a rotably mounted obturating plug of the screw-thread or the interrupted-thread type (F41A 3/30 takes precedence) [2013-01]
F41A 3/10
. .
with sliding breech-block, e.g. vertically [2013-01]
F41A 3/12
.
Bolt action, i.e. the main breech opening movement being parallel to the barrel axis [2013-01]
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 [2013-01]
F41A 3/16
. . .
the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks [2013-01]
F41A 3/18
. . . .
hand-operated [2013-01]
F41A 3/20
. . . . .
Straight-pull operated bolt locks, i.e. the operating hand effecting only a straight movement parallel to the barrel axis [2013-01]
F41A 3/22
. . . . .
the locking being effected by rotating the operating handle or lever transversely to the barrel axis [2013-01]
F41A 3/24
. . . . . .
the locking elements forming part of the operating handle or lever [2013-01]
F41A 3/26
. . . .
semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt [2013-01]
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 [2013-01]
F41A 3/30
. . . .
Interlocking means, e.g. locking lugs, screw threads [2013-01]
F41A 3/32
. . .
the bolt being rocked about a notional axis transverse to the barrel axis [2013-01]
F41A 3/34
. . .
the bolt additionally effecting a sliding movement transverse to the barrel axis [2013-01]
F41A 3/36
. .
Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing [2013-01]
F41A 3/38
. . .
having rocking locking elements, e.g. pivoting levers or vanes [2013-01]
F41A 3/40
. . . .
mounted on the bolt (F41A 3/42 takes precedence) [2013-01]
F41A 3/42
. . . .
hand-operated [2013-01]
F41A 3/44
. . .
having sliding locking elements, e.g. balls, rollers [2013-01]
F41A 3/46
. . . .
mounted on the bolt (F41A 3/48 takes precedence) [2013-01]
F41A 3/48
. . . .
hand-operated [2013-01]
F41A 3/50
. . .
Toggle-joint locks, e.g. crank-operated [2013-01]
F41A 3/52
. . . .
hand-operated [2013-01]
F41A 3/54
. .
Bolt locks of the unlocked type, i.e. being inertia operated [2013-01]
F41A 3/56
. . .
the bolt being provided with an additional slidable mass [2013-01]
F41A 3/58
.
Breakdown breech mechanisms, e.g. for shotguns [2013-01]
F41A 3/60
.
Breech mechanisms for guns having two or more barrels (F41A 3/58 takes precedence; for revolving-cannon guns F41F 1/10) [2013-01]
F41A 3/62
.
using combustion gas pressure for adding to the mechanical locking action, or for delaying breech opening movement [2013-01]
F41A 3/64
.
Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings [2013-01]
F41A 3/66
. .
Breech housings or frames; Receivers [2013-01]
F41A 3/68
. .
Bolt stops, i.e. means for limiting bolt opening movement [2013-01]
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)} [2017-08]
F41A 3/72
. .
Operating handles or levers; Mounting thereof in breech-blocks or bolts {(F41C 7/02, F41C 7/06 take precedence)} [2013-01]
F41A 3/74
. .
Obturating or packing devices for gas leak prevention in breech mechanisms [2013-01]
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 [2013-01]
F41A 3/78
. .
Bolt buffer or recuperator means [2013-01]
F41A 3/80
. . .
Adjustable spring buffers [2013-01]
F41A 3/82
. . .
Coil spring buffers (F41A 3/80 takes precedence) [2013-01]
F41A 3/84
. . . .
mounted within the gun stock [2013-01]
F41A 3/86
. . . .
mounted under {or above} the barrel [2013-01]
F41A 3/88
. . . .
mounted around the barrel [2013-01]
F41A 3/90
. . .
Fluid buffers {(F41A 3/62 takes precedence)} [2013-01]
F41A 3/92
. . . .
adjustable [2013-01]
F41A 3/94
. . . .
in combination with spring buffers [2013-01]
F41A 5/00
Mechanisms or systems operated by propellant charge energy for automatically opening the lock [2013-01]
F41A 5/02
.
recoil-operated [2013-01]
F41A 5/04
. .
the barrel being tilted during recoil [2013-01]
F41A 5/06
. .
the barrel being rotated about its longitudinal axis during recoil [2013-01]
F41A 5/08
. .
having an accelerator lever acting on the breech-block or bolt during the opening movement [2013-01]
F41A 5/10
. .
having a movable inertia weight {, e.g. for storing energy} [2016-08]
F41A 5/12
. . .
mounted in a gun having a fixed barrel [2013-01]
F41A 5/14
. .
Barrel stops, i.e. devices for holding the recoiling barrel in a predetermined position, e.g. the recoil position [2013-01]
F41A 5/16
. .
having a barrel moving forwardly after the firing of a shot [2013-01]
F41A 5/18
.
gas-operated [2013-01]
F41A 5/20
. .
using a gas piston arranged concentrically around the barrel [2013-01]
F41A 5/22
. .
having two or more gas pistons [2013-01]
F41A 5/24
. .
by direct action of gas pressure on bolt or locking elements [2013-01]
F41A 5/26
. .
Arrangements or systems for bleeding the gas from the barrel (F41A 5/20 - F41A 5/24 take precedence) [2016-05]
F41A 5/28
. . .
Adjustable systems [2013-01]
F41A 5/30
.
Gas- or recoil-operated, e.g. selection of gas- or recoil-operated systems [2013-01]
F41A 5/32
.
Energy accumulator systems, i.e. systems for opening the breech-block by energy accumulated during barrel or gas piston recoil [2013-01]
F41A 5/34
. .
with spring accumulators [2013-01]
F41A 5/36
. .
with fluid accumulators [2013-01]
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 [2013-01]
F41A 7/02
.
Machine gun rechargers, e.g. manually operated (F41A 3/72 takes precedence) [2013-01]
F41A 7/04
. .
fluid operated [2013-01]
F41A 7/06
. .
electrically operated [2013-01]
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 [2013-01]
F41A 7/10
. .
using a rotating cylindrical drum having a camming groove (F41F 1/10 takes precedence) [2013-01]
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 11/50); Magazines; Guiding means for the extracting of cartridges (cartridge extractors or ejectors F41A 15/00) [2015-07]
F41A 9/01
.
Feeding of unbelted ammunition [2013-01]
F41A 9/02
. .
using wheel conveyors, e.g. star-wheel-shaped conveyors [2016-05]
F41A 9/03
. .
using screw or rotary-spiral conveyors [2016-05]
F41A 9/04
. .
using endless-chain belts carrying a plurality of ammunition [2013-01]
F41A 9/05
. . .
in tandem sequence [2013-01]
F41A 9/06
. .
using cyclically moving conveyors, i.e. conveyors having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke [2016-05]
F41A 9/07
. . .
Reciprocating conveyors, i.e. conveyors pushing a plurality of ammunition during the feeding stroke [2016-05]
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)} [2013-01]
F41A 9/10
. . . .
pivoting or swinging [2013-01]
F41A 9/11
. . . . .
in a horizontal plane [2013-01]
F41A 9/12
. . . . . .
mounted within a smallarm [2013-01]
F41A 9/13
. . . . .
in a vertical plane [2013-01]
F41A 9/14
. . . . . .
{which is} transverse to the barrel axis [2013-01]
F41A 9/15
. . . . . . .
mounted within a smallarm [2013-01]
F41A 9/16
. . . . . .
{which is} parallel to the barrel axis [2013-01]
F41A 9/17
. . . . . . .
mounted within a smallarm [2013-01]
F41A 9/18
. . . . . . . .
feeding from a {tubular} magazine under the barrel [2013-01]
F41A 9/19
. . . . . . . .
feeding from a {tubular} magazine mounted in the stock [2013-01]
F41A 9/20
. . . .
sliding, e.g. reciprocating [2013-01]
F41A 9/21
. . . . .
in a vertical direction (F41A 9/23 takes precedence) [2013-01]
F41A 9/22
. . . . .
in a horizontal direction (F41A 9/23 takes precedence) [2013-01]
F41A 9/23
. . . . .
mounted within a smallarm [2013-01]
F41A 9/24
. .
using a movable magazine or clip as feeding element [2013-01]
F41A 9/25
. . .
using a sliding clip [2013-01]
F41A 9/26
. . .
using a revolving drum magazine [2013-01]
F41A 9/27
. . . .
in revolver-type guns [2013-01]
F41A 9/28
. . . . .
of smallarm type (in revolvers F41C 3/14) [2013-01]
F41A 9/29
.
Feeding of belted ammunition [2013-01]
F41A 9/30
. .
Sprocket-type belt transporters [2013-01]
F41A 9/31
. . .
with cartridge stripping means [2013-01]
F41A 9/32
. .
Reciprocating-slide-type belt transporters [2013-01]
F41A 9/33
. . .
with cartridge stripping means [2013-01]
F41A 9/34
. .
from magazines (magazines for belted ammunition per se F41A 9/79) [2013-01]
​
F41A 9/35
.
Feeding multibarrel guns [2013-01]
NOTE

  • Feeding elements or concepts of general interest, not specially adapted for feeding multibarrel guns, are classified in groups F41A 9/01 or F41A 9/29.
F41A 9/36
. .
Feed mechanisms for revolving-cannon guns [2013-01]
F41A 9/37
.
Feeding two or more kinds of ammunition to the same gun; Feeding from two sides [2013-01]
​
F41A 9/375
. .
{Feeding propellant charges and projectiles as separate units} [2016-05]
NOTE

  • Feeding elements or concepts of general interest, not specially adapted for feeding two or more kinds of ammunition or from two sides, are classified in groups F41A 9/01 - F41A 9/29.
F41A 9/38
.
Loading arrangements, i.e. for bringing the ammunition into the firing position [2013-01]
F41A 9/39
. .
Ramming arrangements [2013-01]
F41A 9/40
. . .
the breech-block itself being the rammer [2013-01]
F41A 9/41
. . . .
pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber [2013-01]
F41A 9/42
. . .
Rammers separate from breech-block [2013-01]
F41A 9/43
. . . .
Chain rammers [2013-01]
F41A 9/44
. . . .
Fluid-operated piston rammers [2013-01]
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)} [2013-01]
F41A 9/46
. .
the cartridge chamber being formed by two complementary elements, movable one relative to the other for loading [2013-01]
F41A 9/47
. .
using forwardly-sliding barrels or barrel parts for loading [2013-01]
F41A 9/48
. .
Loading by gravitational force [2013-01]
F41A 9/49
.
Internally-powered drives, i.e. operated by propellant charge energy, e.g. couplings, clutches, energy accumulators [2013-01]
F41A 9/50
.
External power or control systems [2013-01]
F41A 9/51
. .
Boosters, i.e. externally-powered motors [2013-01]
F41A 9/52
.
Arrangements for changing from automatic or magazine-loading to hand-loading [2013-01]
F41A 9/53
.
Charged-condition indicators, i.e. indicating the presence of a cartridge in the cartridge chamber [2013-01]
F41A 9/54
.
Cartridge guides, stops or positioners, e.g. for cartridge extraction [2013-01]
F41A 9/55
. .
Fixed {or movable} guiding means, mounted on, or near, the cartridge chamber [2013-01]
F41A 9/56
. .
Movable guiding means {(F41A 9/55 takes precedence)} [2013-01]
F41A 9/57
. . .
Flexible chutes, e.g. for guiding belted ammunition from the magazine to the gun [2013-01]
F41A 9/58
. .
Cartridge stops; Cartridge positioners [2013-01]
F41A 9/59
.
Ejectors for clips or magazines, e.g. when empty [2013-01]
F41A 9/60
.
Empty-cartridge-case or belt-link collectors or catchers (F41A 9/81 takes precedence) [2013-01]
F41A 9/61
.
Magazines [2013-01]
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) [2013-01]
F41A 9/63
. .
specially adapted for releasable connection with other magazines [2013-01]
F41A 9/64
. .
for unbelted ammunition [2013-01]
F41A 9/65
. . .
Box magazines having a cartridge follower [2013-01]
F41A 9/66
. . . .
Arrangements thereon for charging, i.e. reloading (apparatus or tools for reloading of magazines F41A 9/83) [2016-08]
F41A 9/67
. . . . .
having means for depressing the cartridge follower, or for locking it in a depressed position [2013-01]
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} [2023-08]
F41A 9/69
. . . .
characterised by multiple-row or zigzag arrangement of cartridges [2013-01]
F41A 9/70
. . . .
Arrangements thereon for discharging, e.g. cartridge followers or discharge throats [2013-01]
F41A 9/71
. . . .
Arrangements thereon for varying capacity; Adapters or inserts for changing cartridge size or type [2013-01]
F41A 9/72
. . .
Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence [2013-01]
F41A 9/73
. . .
Drum magazines [2013-01]
F41A 9/74
. . . .
with radially disposed cartridges [2013-01]
F41A 9/75
. . . .
having a spiral cartridge channel [2013-01]
F41A 9/76
. . .
Magazines having an endless-chain conveyor [2016-05]
F41A 9/77
. . .
Magazines having a screw conveyor [2016-05]
F41A 9/78
. . .
Magazines having a reciprocating conveyor [2016-05]
F41A 9/79
. .
for belted ammunition [2013-01]
F41A 9/80
. . .
having provision for quick-coupling of the belts of adjacent magazines [2013-01]
F41A 9/81
. . .
having provision for collecting belt links or empty cartridge cases [2013-01]
F41A 9/82
.
Reloading {or unloading} of magazines [2013-01]
F41A 9/83
. .
Apparatus or tools for reloading magazines with unbelted ammunition, e.g. cartridge clips [2016-08]
F41A 9/84
. . .
Clips [2013-01]
F41A 9/85
. . . .
for reloading revolver-type magazines [2013-01]
F41A 9/86
. .
Feeding belted ammunition into magazines [2013-01]
F41A 9/87
.
Ammunition handling dollies or transfer carts (F41A 9/86 takes precedence) [2013-01]
F41A 11/00
Assembly or disassembly features; Modular concepts; Articulated or collapsible guns (F41A 3/64, F41A 19/10 - F41A 19/15, F41A 21/48, F41A 25/26 take precedence) [2016-05]
F41A 11/02
.
Modular concepts, e.g. weapon-family concepts [2013-01]
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) [2013-01]
F41A 11/06
. .
Telescopic guns [2013-01]
F41A 13/00
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems [2013-01]
F41A 13/02
.
Heating systems [2013-01]
F41A 13/04
.
Injecting fluids into barrels or cartridge chambers (F41A 13/08 takes precedence) [2013-01]
F41A 13/06
.
Evacuating combustion gas from barrels (F41A 13/10 takes precedence) [2013-01]
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 [2013-01]
F41A 13/10
.
Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil [2013-01]
F41A 13/12
.
Systems for cooling the outer surface of the barrel (F41A 13/10, F41A 21/24 take precedence) [2013-01]
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}) [2013-01]
F41A 15/02
.
for revolver-type guns, e.g. revolvers [2013-01]
F41A 15/04
.
specially adapted for cartridge cases being deformed when fired, e.g. of plastics [2013-01]
F41A 15/06
.
for breakdown guns [2013-01]
F41A 15/08
.
for block-action guns [2013-01]
F41A 15/10
. .
of sliding-block type [2013-01]
F41A 15/12
.
for bolt-action guns [2013-01]
F41A 15/14
. .
the ejector being mounted on or within the bolt; {Extractors per se} [2013-01]
F41A 15/16
. .
the ejector being mounted on the breech housing or frame [2013-01]
F41A 15/18
.
for guns with forwardly slidable barrels [2013-01]
F41A 15/20
.
specially adapted for caseless-ammunition duds [2013-01]
F41A 15/22
.
Tools for extracting cartridges [2013-01]
F41A 17/00
Safety arrangements, e.g. safeties [2013-01]
F41A 17/02
.
Key-operated safeties {(F41A 17/44 takes precedence)} [2013-01]
F41A 17/04
.
Safeties of the combination-lock type (F41A 17/02 takes precedence) [2013-01]
F41A 17/06
.
Electric or electromechanical safeties (F41A 17/04, F41A 17/08 take precedence) [2013-01]
F41A 17/063
. .
{comprising a transponder} [2013-01]
F41A 17/066
. .
{having means for recognizing biometric parameters, e.g. voice control, finger print or palm print control} [2013-01]
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) [2013-01]
F41A 17/10
. .
Firing mechanisms with elevation stop [2013-01]
F41A 17/12
. .
Firing mechanisms with anti-canting safety [2013-01]
F41A 17/14
.
Double-loading prevention [2013-01]
F41A 17/16
.
Cook-off prevention, i.e. prevention of spontaneous firing of a cartridge by chamber wall heat [2013-01]
F41A 17/18
.
Hang-fire prevention [2013-01]
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) [2013-01]
F41A 17/22
. .
acting on the trigger [2013-01]
F41A 17/24
. .
acting on the firing pin [2013-01]
F41A 17/26
. .
acting on the hammer [2013-01]
F41A 17/28
. .
acting on the sear [2013-01]
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 [2013-01]
F41A 17/32
. .
the other element being the breech-block or bolt [2013-01]
F41A 17/34
.
Magazine safeties [2013-01]
F41A 17/36
. .
locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A 17/44 takes precedence)} [2013-01]
F41A 17/38
. .
{Magazine mountings, e.g. for} locking the magazine in the gun [2013-01]
F41A 17/40
.
Last-round safeties (F41A 17/34 takes precedence) [2013-01]
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}) [2013-01]
F41A 17/44
.
Safety plugs, e.g. for plugging-up cartridge chambers {, barrels, magazine spaces} [2017-08]
F41A 17/46
.
Trigger safeties, i.e. means for preventing trigger movement (F41A 17/02 - F41A 17/40 take precedence) [2016-05]
F41A 17/48
. .
Automatically operated trigger safeties, i.e. operated by breech opening or closing movement [2013-01]
F41A 17/50
. . .
by breakdown action [2013-01]
F41A 17/52
. .
Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns [2013-01]
F41A 17/54
. .
Protecting-caps for trigger guards; Trigger locking pieces mounted on, or within, the trigger guard [2013-01]
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 - F41A 17/40 take precedence) [2016-05]
F41A 17/58
. .
automatically operated, i.e. operated by breech opening or closing movement [2013-01]
F41A 17/60
. . .
by breakdown action [2013-01]
F41A 17/62
. .
Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns [2017-08]
F41A 17/64
.
Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers (F41A 17/02 - F41A 17/40 take precedence) [2016-05]
F41A 17/66
. .
automatically operated, i.e. operated by breech opening or closing movement [2013-01]
F41A 17/68
. . .
by breakdown action [2013-01]
F41A 17/70
. .
Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns [2013-01]
F41A 17/72
. .
trigger-operated, i.e. the movement of the trigger bringing a firing-pin safety into inoperative position during the firing [2013-01]
F41A 17/74
.
Hammer safeties, i.e. means for preventing the hammer from hitting the cartridge or the firing pin (F41A 17/02 - F41A 17/40 take precedence) [2016-05]
F41A 17/76
. .
automatically operated, i.e. operated by breech opening or closing movement [2013-01]
F41A 17/78
. . .
by breakdown action [2013-01]
F41A 17/80
. .
Thumb-operated sliding safeties mounted on the upside of the stock, e.g. for shotguns [2013-01]
F41A 17/82
. .
trigger-operated, i.e. the movement of the trigger bringing a hammer safety into inoperative position during firing [2013-01]
F41A 19/00
Firing or trigger mechanisms; Cocking mechanisms [2013-01]
F41A 19/01
.
Counting means indicating the number of shots fired [2013-01]
F41A 19/02
. .
Burst limiters (F41A 19/67 takes precedence) [2013-01]
F41A 19/03
.
Shot-velocity control (F41A 3/78, F41A 5/28, F41A 19/05, F41A 19/66 take precedence) [2013-01]
F41A 19/04
. .
by controlling the time of release of the firing pin or hammer [2017-02]
F41A 19/05
.
Synchronising for firing through the propeller of an aircraft [2013-01]
F41A 19/06
.
Mechanical firing mechanisms, {e.g. counterrecoil firing, recoil actuated firing mechanisms}(F41A 19/01 - F41A 19/05, F41A 19/59 take precedence) [2016-05]
F41A 19/07
. .
press-button actuated, e.g. with thumb rest [2013-01]
F41A 19/08
. .
remote actuated; lanyard actuated [2013-01]
F41A 19/09
. .
Auxiliary trigger devices (F41A 19/08 takes precedence) [2013-01]
F41A 19/10
. .
Triggers; Trigger mountings [2013-01]
F41A 19/11
. .
Trigger guards; Trigger-guard mountings (F41A 19/15 takes precedence) [2013-01]
F41A 19/12
. .
Sears; Sear mountings [2013-01]
F41A 19/13
. .
Percussion or firing pins, i.e. fixed or slidably-mounted striker elements; Mountings therefor {(F41A 19/26 takes precedence)} [2013-01]
F41A 19/14
. .
Hammers, i.e. pivotably-mounted striker elements; Hammer mountings [2013-01]
F41A 19/15
. .
Modular firing mechanism units [2013-01]
F41A 19/16
. .
Adjustable firing mechanisms; Trigger mechanisms with adjustable trigger pull (F41A 19/17 takes precedence) [2013-01]
F41A 19/17
. .
Hair-trigger mechanisms [2013-01]
F41A 19/18
. .
for multibarrel guns {or multiple guns}(F41A 19/68 takes precedence) [2013-01]
F41A 19/183
. . .
{for multiple guns, i.e. a plurality of guns being actuated by a single firing mechanism} [2013-01]
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)} [2013-01]
F41A 19/19
. . .
with single-trigger firing possibility [2013-01]
F41A 19/20
. . . .
Double-trigger arrangements having the possibility of single-trigger actuation [2013-01]
F41A 19/21
. . . .
having only one trigger [2013-01]
F41A 19/22
. . . . .
and only one striker element [2013-01]
F41A 19/23
. . . . . .
rotatable about an axis parallel to the barrel axis for firing subsequent barrels [2013-01]
F41A 19/24
. .
Release-trigger mechanisms, i.e. the striker element being released during the return movement of the trigger subsequent to trigger pull [2013-01]
F41A 19/25
. .
having only slidably-mounted striker elements, i.e. percussion or firing pins [2013-01]
F41A 19/26
. . .
the percussion or firing pin and the breech-block or bolt forming one piece {(F41A 19/34 takes precedence)} [2013-01]
F41A 19/27
. . .
the percussion or firing pin being movable relative to the breech-block [2013-01]
F41A 19/28
. . . .
propelled by a cam or lever when the breech-block or bolt arrives in a closing position [2013-01]
F41A 19/29
. . . .
propelled by a spring under tension [2013-01]
F41A 19/30
. . . . .
in bolt-action guns [2013-01]
F41A 19/31
. . . . . .
Sear arrangements therefor (F41A 19/33 takes precedence) [2013-01]
F41A 19/32
. . . . . . .
for catching the percussion or firing pin after each shot, i.e. in single-shot or semi-automatic firing mode [2013-01]
F41A 19/33
. . . . . .
Arrangements for the selection of automatic or semi-automatic fire [2013-01]
F41A 19/34
. . . . . .
Cocking mechanisms [2013-01]
F41A 19/35
. . . . . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/36
. . . . .
in block-action guns [2013-01]
F41A 19/37
. . . . . .
Cocking mechanisms [2013-01]
F41A 19/38
. . . . . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/39
. . . . .
Cocking {or firing} mechanisms for other types of guns, e.g. fixed breech-block types, forwardly-slidable barrel types [2013-01]
F41A 19/40
. . . . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/41
. . . . . .
for breakdown guns [2013-01]
F41A 19/42
. .
having at least one hammer [2013-01]
F41A 19/43
. . .
in bolt-action guns [2013-01]
F41A 19/44
. . . .
Sear arrangements therefor (F41A 19/46 takes precedence) [2013-01]
F41A 19/45
. . . . .
for catching the hammer after each shot, i.e. in single-shot or semi-automatic firing mode [2013-01]
F41A 19/46
. . . .
Arrangements for the selection of automatic or semi-automatic fire [2013-01]
F41A 19/47
. . . .
Cocking mechanisms [2013-01]
F41A 19/48
. . . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/49
. . .
in block-action guns [2013-01]
F41A 19/50
. . . .
Cocking mechanisms [2013-01]
F41A 19/51
. . . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/52
. . .
Cocking {or firing} mechanisms for other types of guns, e.g. fixed breech-block types, revolvers [2013-01]
F41A 19/53
. . . .
Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement [2013-01]
F41A 19/54
. . . .
for breakdown guns [2013-01]
F41A 19/55
.
Fluid-operated firing mechanisms [2013-01]
F41A 19/56
. .
Ignition of the propellant charge by contact with air heated by adiabatic compression [2013-01]
F41A 19/57
.
Firing mechanisms operating with primer cartridge [2013-01]
F41A 19/58
.
Electric firing mechanisms (F41A 17/10, F41A 17/12 take precedence) [2013-01]
F41A 19/59
. .
Electromechanical firing mechanisms, i.e. the mechanical striker element being propelled or released by electric means [2013-01]
F41A 19/60
. .
characterised by the means for generating electric energy [2013-01]
F41A 19/61
. . .
Inductive generators {(F41A 19/63 takes precedence)} [2013-01]
F41A 19/62
. . .
Piezoelectric generators [2024-01]
F41A 19/63
. .
having means for contactless transmission of electric energy, e.g. by induction, by sparking gap [2013-01]
F41A 19/64
. .
for automatic or burst-firing mode [2013-01]
F41A 19/65
. . .
for giving ripple fire, i.e. using electric sequencer switches for timed multiple-charge launching, e.g. for rocket launchers [2013-01]
F41A 19/66
. . .
Electronic shot-velocity control (F41A 19/65 takes precedence) [2013-01]
F41A 19/67
. . .
Burst limiters [2013-01]
F41A 19/68
. .
for multibarrel guns {or multibarrel rocket launchers or multicanisters}(F41A 19/65 takes precedence) [2013-01]
F41A 19/69
. .
Electric contacts or switches peculiar thereto (F41A 19/65 takes precedence) [2013-01]
F41A 19/70
. . .
Electric firing pins; Mountings therefor [2013-01]
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) [2013-01]
F41A 21/02
.
Composite barrels, i.e. barrels having multiple layers, e.g. of different materials [2013-01]
F41A 21/04
. .
Barrel liners [2013-01]
F41A 21/06
.
Plural barrels [2013-01]
F41A 21/08
. .
Barrel junctions [2013-01]
F41A 21/10
.
Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels [2013-01]
F41A 21/12
.
Cartridge chambers; Chamber liners (F41A 3/74, F41A 9/46, F41A 21/04 take precedence) [2013-01]
F41A 21/14
. .
Arrangement of cartridge chambers lateral to the barrel axis [2013-01]
F41A 21/16
.
Barrels or gun tubes characterised by the shape of the bore [2013-01]
F41A 21/18
. .
Grooves-Rifling [2013-01]
F41A 21/20
.
Barrels or gun tubes characterised by the material (F41A 21/02 takes precedence) [2013-01]
F41A 21/22
.
Barrels which have undergone surface treatment, e.g. phosphating {(F41A 21/44 takes precedence)} [2013-01]
F41A 21/24
.
Barrels or gun tubes with fins or ribs, e.g. for cooling (F41G 1/42 takes precedence) [2017-01]
F41A 21/26
.
specially adapted for recoil reinforcement, e.g. for training purposes [2013-01]
F41A 21/28
.
Gas-expansion chambers; Barrels provided with gas-relieving ports (F41A 1/06, F41A 13/08 {and F41A 21/36} take precedence) [2013-01]
F41A 21/30
.
Silencers [2013-01]
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}) [2017-08]
F41A 21/325
. .
{Mountings for muzzle attachments} [2013-01]
F41A 21/34
. .
Flash dampers [2013-01]
F41A 21/36
. .
for recoil reduction (recoil reduction arrangements in general F41A 25/00){; Stabilisators; Compensators, e.g. for muzzle climb prevention} [2017-08]
F41A 21/38
. . .
adjustable {, i.e. the vent holes or the vent area being adjustable} [2017-08]
F41A 21/40
. .
Chokes for shotguns {, e.g. automatic chokes} [2017-08]
F41A 21/42
. . .
{manually} adjustable [2013-01]
F41A 21/44
.
Insulation jackets; Protective jackets [2013-01]
F41A 21/46
.
Barrels having means for separating sabots from projectiles [2013-01]
F41A 21/48
.
Barrel mounting means, e.g. releasable mountings for replaceable barrels [2013-01]
F41A 21/481
. .
{using partial or interrupted threads, e.g. bayonet-type mountings} [2013-01]
F41A 21/482
. .
{using continuous threads on the barrel} [2013-01]
F41A 21/484
. .
{using interlocking means, e.g. by sliding pins} [2013-01]
F41A 21/485
. .
{using screws or bolts} [2013-01]
F41A 21/487
. .
{using friction, e.g. by clamping a barrel surface} [2013-01]
F41A 21/488
. .
{Mountings specially adapted for pistols or revolvers} [2013-01]
F41A 23/00
Gun mountings, e.g. on vehicles; Disposition of guns on vehicles (F41A 25/00, F41A 27/00 take precedence) [2013-01]
F41A 23/005
.
{Locks for connecting guns to their mountings (F41A 23/50 takes precedence)} [2013-01]
​
F41A 23/02
.
Mountings without wheels [2013-01]
NOTE

F41A 23/04
. .
Unipods [2013-01]
F41A 23/06
. . .
adjustable [2013-01]
F41A 23/08
. .
Bipods [2013-01]
F41A 23/10
. . .
adjustable [2013-01]
F41A 23/12
. .
Tripods {; Mountings having at least three legs} [2017-08]
F41A 23/14
. . .
adjustable [2013-01]
F41A 23/16
. .
Testing mounts [2013-01]
F41A 23/18
. .
Rests for supporting smallarms in non-shooting position (racks for storage A47B 81/00; racks in vehicles {B60R 7/14}) [2013-01]
F41A 23/20
.
for disappearing guns [2013-01]
F41A 23/22
. .
on board of submarines [2013-01]
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) [2013-01]
F41A 23/26
.
Mountings for transport only; Loading or unloading arrangements for guns for use with carrier vehicles (F41A 23/50 takes precedence) [2013-01]
F41A 23/28
.
Wheeled-gun mountings; Endless-track gun mountings [2013-01]
F41A 23/30
. .
the wheels being liftable from the ground for firing [2013-01]
F41A 23/32
. .
with split trails (F41A 23/30, F41A 23/46 takes precedence) [2013-01]
F41A 23/34
.
on wheeled or endless-track vehicles [2013-01]
F41A 23/36
. .
on trailers (F41A 23/42 takes precedence) [2013-01]
F41A 23/38
. .
on motorcycles [2017-08]
F41A 23/40
. .
on rail vehicles [2013-01]
F41A 23/42
. .
for rocket throwers [2013-01]
F41A 23/44
.
on sledges [2013-01]
F41A 23/46
.
Trail spades [2013-01]
F41A 23/48
. .
elastic [2013-01]
F41A 23/50
.
Travelling locks; Brakes for holding the gun platform in a fixed position during transport [2013-01]
F41A 23/52
.
Base plates for gun mountings [2013-01]
F41A 23/54
. .
for mortars [2013-01]
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}) [2017-08]
F41A 23/58
. .
Hydraulic jacks [2013-01]
F41A 23/60
. .
Screw-operated jacks [2013-01]
F41A 25/00
Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes (recoilless guns F41A 1/08) [2013-01]
F41A 25/02
.
Fluid-operated systems [2013-01]
F41A 25/04
. .
adjustable {, e.g. in relation to the elevation of the gun} [2017-08]
F41A 25/06
.
Friction-operated systems [2013-01]
F41A 25/08
. .
adjustable [2013-01]
F41A 25/10
.
Spring-operated systems [2013-01]
F41A 25/12
. .
using coil springs [2013-01]
F41A 25/14
. . .
adjustable [2013-01]
F41A 25/16
.
Hybrid systems [2013-01]
F41A 25/18
. .
Hydroelastic systems [2013-01]
F41A 25/20
. .
Hydropneumatic systems [2013-01]
F41A 25/22
.
Bearing arrangements for the reciprocating gun-mount or barrel movement [2013-01]
F41A 25/24
. .
using ball or roller bearings [2013-01]
F41A 25/26
.
Assembling or dismounting recoil elements or systems [2013-01]
F41A 27/00
Gun mountings permitting traversing or elevating movement, e.g. gun carriages [2013-01]
F41A 27/02
.
Control systems for preventing interference between the moving gun and the adjacent structure [2013-01]
F41A 27/04
.
Scatter-fire arrangements, i.e. means for oscillating guns automatically during firing [2013-01]
F41A 27/06
.
Mechanical systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence) [2013-01]
F41A 27/08
. .
Bearings, e.g. trunnions; Brakes or blocking arrangements [2013-01]
F41A 27/10
. . .
Bearings for supporting a pivoting gun in a wall, e.g. a turret wall [2013-01]
F41A 27/12
. . .
Brakes or locks for blocking traversing or elevating gear in a fixed position [2013-01]
F41A 27/14
. . .
Central-pivot bearings [2013-01]
F41A 27/16
. . .
using raceway bearings, e.g. for supporting the turret [2013-01]
F41A 27/18
. .
for gun turrets (F41A 27/08 takes precedence) [2013-01]
F41A 27/20
. . .
Drives for turret movements [2013-01]
F41A 27/22
. .
Traversing gear (F41A 27/18 takes precedence) [2013-01]
F41A 27/24
. .
Elevating gear (F41A 27/18 takes precedence) [2013-01]
F41A 27/26
.
Fluid-operated systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence) [2013-01]
F41A 27/28
.
Electrically-operated systems (F41A 27/02, F41A 27/04, F41A 27/30 take precedence) [2013-01]
F41A 27/30
.
Stabilisation or compensation systems, e.g. compensating for barrel weight or wind force {on the barrel} [2013-01]
F41A 29/00
Cleaning or lubricating arrangements (injecting fluids into barrels or cartridge chambers F41A 13/04 {; ammunition for cleaning purposes F42B 5/24}) [2017-08]
F41A 29/02
.
Scrapers or cleaning rods [2013-01]
F41A 29/04
.
Lubricating, oiling or greasing means, e.g. operating during use [2017-01]
F41A 31/00
Testing arrangements (testing mounts F41A 23/16) [2013-01]
F41A 31/02
.
for checking gun barrels [2013-01]
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}) [2017-08]
F41A 33/02
.
Light- or radiation-emitting guns {; Light- or radiation-sensitive guns; Cartridges carrying light emitting sources, e.g. laser} [2017-08]
F41A 33/04
.
Acoustical simulation of gun fire, e.g. by pyrotechnic means [2013-01]
F41A 33/06
.
Recoil simulators [2013-01]
F41A 35/00
Accessories or details not otherwise provided for [2013-01]
F41A 35/02
.
Dust- or weather-protection caps or covers (protecting-caps for trigger guards F41A 17/54) [2013-01]
F41A 35/04
. .
Muzzle covers [2013-01]
F41A 35/06
.
Adaptation of guns to both right and left hand use [2013-01]
F41A 99/00
Subject matter not provided for in other groups of this subclass [2013-01]