EP1500898A1 - Abschussvorrichtung mit audio-visuellen Mitteln - Google Patents
Abschussvorrichtung mit audio-visuellen Mitteln Download PDFInfo
- Publication number
- EP1500898A1 EP1500898A1 EP04254090A EP04254090A EP1500898A1 EP 1500898 A1 EP1500898 A1 EP 1500898A1 EP 04254090 A EP04254090 A EP 04254090A EP 04254090 A EP04254090 A EP 04254090A EP 1500898 A1 EP1500898 A1 EP 1500898A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projectile
- launcher
- barrel
- projectile launcher
- launching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000004913 activation Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 3
- 229920006327 polystyrene foam Polymers 0.000 claims 2
- 235000015842 Hesperis Nutrition 0.000 claims 1
- 235000012633 Iberis amara Nutrition 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 43
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000027294 Fusi Species 0.000 description 1
- 244000027321 Lychnis chalcedonica Species 0.000 description 1
- 235000017899 Spathodea campanulata Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
- F41B11/57—Electronic or electric systems for feeding or loading
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
- F41B11/64—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas having a piston effecting a compressor stroke during the firing of each shot
- F41B11/642—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas having a piston effecting a compressor stroke during the firing of each shot the piston being spring operated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
- F41B11/68—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas the gas being pre-compressed before firing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B4/00—Friction-wheel operated launchers
Definitions
- the present invention relates generally to a projectile launcher and, more particularly, to toy gun or firearm for launching projectiles such as toy balls, arrows, disks and the like, wherein the launcher includes a mechanism for producing an audio or visual stimulus that is timed to coincide with the launch of the projectile so as to startle, disorient or otherwise affect the projectile's target.
- Toy guns and projectile launchers have long been known in the art.
- a subset of such projectile launchers are those toy guns that utilize air pressure or springs to propel the projectiles from the launcher's barrel toward the intended target.
- a primary object of the present invention to provide a projectile launcher that includes a mechanism for generating an audiovisual stimulus to startle, disorient or otherwise attract the attention the intended target.
- the present invention in brief summary, comprises a projectile launcher including a barrel wherein the projectile or projectiles are stored prior to their launch and a mechanism for launching said projectile, said mechanism being coupled with a user-operated trigger mechanism for initiating the launch of the projectile. Also coupled with the trigger mechanism is a mechanism for generating an audiovisual stimulus, whereby said stimulus is generating simultaneously upon the launch or independently of the launch of the projectile such that the stimulus serves to surprise, disorient, or otherwise attract the attention of the intended target.
- an air-powered mechanism is utilized for launching the projectile, said air-powered mechanism including a user-operated pump that serves to compress air in a pressurizable tank, which compressed air is then released so as to propel the projectile when the user pulls the trigger on the projectile launcher.
- a second barrel is disposed directly above the barrel in which the projectiles are stored, said second barrel housing a strobe or other bright light, which light is also activated when the user pulls the trigger such that the light flashes simultaneously upon the launch of the projectile.
- projectiles including discs, arrows, darts and the like, and a variety of different mechanisms for propelling the projectiles are likewise contemplated, including spring means, magnetic means, elastic means, and the like.
- the projectile launcher 1 includes a barrel 10 in which one or more projectiles 12 are received and retained prior to launch.
- the projectiles are inserted into the barrel through the opening 14 which opening 14 is slightly larger in diameter or area than the diameter or cross-sectional area of the projectile 12.
- the shape of the interior surface 16 of the barrel 10 corresponds to the shape of the projectiles 12 such that the projectiles 12 fit securely within the barrel 10 with very little to no space between the projectile 12 and the interior surface 16.
- the interior surface 16 should be smooth and not contain any imperfections or projections that could hinder or alter the travel of the projectile 12 through the barrel 10.
- the projectiles 12 are spherical foam balls, and the barrel 10 is cylindrical in shape.
- the cylindrical shape of the barrel 10 is also ideally suited for other projectiles 12 having a circular cross-section, such as arrows or darts.
- channels may be included within the barrel 10 so as to accommodate the "fletching" of an arrow or dart so as to allow for a more realistic looking projectile 12.
- the cross-sectional shape of the barrel 10 may be altered so as to accommodate projectiles 12 of different sizes or shapes.
- the barrel 10 for a disc-shaped projectile would be more rectangular or ovoid-shaped in cross-section, as illustrated in FIG. 5. It will be appreciated that other forms and configurations for the projectile launcher of the present invention is possible.
- the projectile launcher 5 of the preferred embodiment includes a handle 18 and pump action mechanism 20, the latter being designed to allow a user to slide the mechanism 20 back and forth along the length of the barrel 10 so as to generate potential energy, the release of which is utilized to propel the projectiles 12.
- Two means of storing potential energy are contemplated in the preferred embodiment - air pressure and compressible spring means.
- the former means uses air pressure which is built up in a separate compartment 22 by means of the user pumping the pump action mechanism 20, which air pressure is controlled by a pressure valve 24.
- the pressure valve 24 releases the pressurized air either upon the triggering by the user or once a certain pressure is achieved.
- the spring means of storing potential energy utilizes a compressible spring 26 which is compressed either by the insertion of projectiles 12 within the barrel 10 or by means of the user-activated pump action mechanism 20.
- a plunger 28 is attached to the end of the compressible spring 26, which plunger 28 serves to propel the projectile 12 through the barrel 10.
- the spring 26 may be released either upon the activation of a trigger by the user or once it has been compressed by a predefined amount.
- a mechanism for generating an audiovisual stimulus 30 is disposed adjacent to the barrel 10, said audiovisual mechanism 30 being designed to generate either an visual stimulus such as a bright flash of light or strobe, or an audio stimulus such as the sound of an explosion or a gunshot, which stimuli serve to disorient, startle, or otherwise attract the attention of or affect the target of the projectile 12.
- an audio stimulus such as a bright flash of light or strobe
- an audio stimulus such as the sound of an explosion or a gunshot
- a combination of stimuli may be generated, such as a bright flash of light and the sound of a gunshot, to further heighten the effect of the projectile launcher 5.
- the audiovisual mechanism 30 comprises a light flash generator 32 coupled with a transparent flash light tube 34, the flash light tube 34 serving to direct and amplify the light generated by the light flash generator 32.
- the flash light generator 32 is powered by a battery 36, which battery 36 may also be used to power a mechanism for propelling the projectile 12, such as an air compressor (not shown).
- other audiovisual stimuli are contemplated, such as the use of a sound effects generator 37 coupled with a speaker 39, which components are also powered by battery 36.
- the battery 36 is stored in a compartment 38 situated behind the flash light tube 34 and above the barrel 10, the flash light tube 34 and battery 36 being electronically connected.
- the compartment 38 is also attached to the handle 18, the latter of which houses the power switch 40 which is electronically connected to the battery 36 and alternatively activates and deactivates all the electronic components of the toy projectile launcher 5 of the present invention.
- a activation switch 42 is also disposed on the handle 18, which activation switch 42 can serve various purposes.
- the activation switch 42 may be electronically connected to the audiovisual mechanism 30 to thereby activate said mechanism 30 upon the depression of the activation switch 42 by the user.
- the activation switch 42 may be connected to the mechanism for propelling the projectile 12 such that depression of the activation switch 42 either releases the spring 26 and plunger 28, or opens the valve 24 thereby releasing the compressed air from the compartment 22, causing the projectile 12 to be expelled from the barrel 10.
- the activation switch 42 may be connected to both the audiovisual mechanism 30 and the mechanism for propelling the projectile 42 such that the projectile 12 is launched and the audiovisual stimulus is generated concurrently therewith.
- a separate trigger 44 may also be disposed either on the flash light tube 30 or on the barrel 10, which trigger 44 may be used to detect the activation of the mechanism for propelling the projectile 12 such that the trigger 44 sends a signal to the audiovisual mechanism 30 upon the launch of a projectile 12 so as to generate an audiovisual stimulus concurrently therewith.
- Such trigger 44 eliminates the need to have the activation switch 42 activate both the audiovisual mechanism 30 and the mechanism for propelling the projectile 12. In fact, the trigger 44 eliminates the need for the activation switch 42 entirely, allowing the projectile 12 to be launched independently.
- a separate ball keeper 46 is provided above the flash light tube 30 for storage of unused projectiles 12.
- the toy projectile launcher 5 is designed to launch discs 48, which discs 48 are loaded into the launcher 5 through an opening 50 in a cylindrical access port 52 above the barrel 10.
- the projectile launcher 5 and in particular the barrel 10 are contemplated in order to launch projectiles 12 of various sizes and shapes.
- other possible projectiles include darts, arrows, rocket-shaped missiles, airplanes and the like. Most of these projectiles 12 only require a slight modification to the shape of the barrel 10 and the interior surface 16 thereof.
- the projectiles 12 are composed of a soft or light material such as foam, although other materials would be equally effective, such as plastic or rubber.
- the projectile 12 could actually be a stream of water or light.
- a variety of other audiovisual stimuli are contemplated in addition to the light and/or sound generated by the audiovisual mechanism 30.
- a puff of smoke might be discharged upon the launch of a projectile or a siren could flash and blare upon the firing of the projectile launcher 5.
- Multiple lights or sound effects are similarly contemplated.
- the means of using compressed air or springs to launch the projectiles 12 are the preferred means, other means are contemplated, including magnetic means, air powered means (such as a blower), motorized flywheels, water pressure and elastic means.
- the motorized flywheel means is particularly suited as a means for propelling disk-shaped projectiles 48 inasmuch as the flywheel can impart rotational velocity to the projectile itself.
- the motorized flywheel is battery operated.
- the embodiment of the projectile launcher 5 illustrated in FIG. 3 employs such a battery-powered motorized flywheel to propel the disks 48.
- a further extension of the projectile launcher 5 of the present invention is to include the audiovisual stimuli on the projectile 12 itself, such that the projectile 12 produces a sound effect or emits a flash of light when it hits the ground or strikes a target.
- a target could include the audiovisual stimuli such that the target produces the sound effect or emits a flash of light when struck.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US616418 | 2003-07-09 | ||
| US10/616,418 US20050016514A1 (en) | 2003-07-09 | 2003-07-09 | Projectile launcher including audiovisual stimuli |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1500898A1 true EP1500898A1 (de) | 2005-01-26 |
Family
ID=33490851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04254090A Withdrawn EP1500898A1 (de) | 2003-07-09 | 2004-07-08 | Abschussvorrichtung mit audio-visuellen Mitteln |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20050016514A1 (de) |
| EP (1) | EP1500898A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719679A (zh) * | 2022-04-07 | 2022-07-08 | 湖南翔为通用航空有限公司 | 一种消防弹的发射方法 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070264616A1 (en) * | 2003-12-15 | 2007-11-15 | Balentino Namgung | Structure of Detecting Device Used in Miles System and Gun Simulator |
| US7409794B2 (en) * | 2004-09-20 | 2008-08-12 | Daniel Triano | Fishing line casting and bait projectile system |
| US20070181114A1 (en) * | 2006-02-07 | 2007-08-09 | Tippmann Dennis J Jr | Combination non-lethal projectile launcher and flash light |
| US7686002B2 (en) * | 2007-09-11 | 2010-03-30 | Mattel, Inc. | Toy projectile launcher |
| US7721722B1 (en) * | 2007-10-26 | 2010-05-25 | Peter Tulkis | Water-powered toy guns and method |
| US20100330873A1 (en) * | 2008-10-10 | 2010-12-30 | Mccafferty Jim | Toy vehicle launcher |
| US9956491B2 (en) * | 2008-10-10 | 2018-05-01 | Jakks Pacific, Inc. | Stunt figure for attaching with a mobile toy to allow for performance of a stunt |
| US20100330874A1 (en) * | 2009-02-21 | 2010-12-30 | Jakks Pacific, Inc. | Toy vehicle rotational element for rotating a toy vehicle |
| USD658727S1 (en) * | 2011-09-27 | 2012-05-01 | Hasbro, Inc. | Toy projectile launcher apparatus |
| MY197066A (en) * | 2018-04-17 | 2023-05-24 | Siew Buan Quek | Toy gun |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2762356A (en) * | 1953-03-23 | 1956-09-11 | Edwin E Foster | Repeating air gun |
| US3397484A (en) * | 1965-10-22 | 1968-08-20 | Mattel Inc | Sound and optical effects toy |
| US3540426A (en) | 1967-03-28 | 1970-11-17 | Marx & Co Louis | Air gun |
| US4848307A (en) * | 1988-06-07 | 1989-07-18 | Tsao Yung Chi | Toy air pistol for launching missile bullet |
| US5004444A (en) * | 1989-08-09 | 1991-04-02 | Chih Hsieh C | Toy submachine gun |
| US5261852A (en) * | 1992-07-06 | 1993-11-16 | Takara Co., Ltd. | Shooting device for toy |
| US5283970A (en) * | 1992-09-25 | 1994-02-08 | Strombecker Corporation | Toy guns |
| US5343849A (en) | 1992-08-17 | 1994-09-06 | Michael Steer | Rapid fire ball gun |
| US5373833A (en) | 1993-07-12 | 1994-12-20 | D'andrade; Bruce M. | Projectile shooting air gun with bladder |
| US5377656A (en) | 1993-05-10 | 1995-01-03 | Tonka Corporation | Toy gun |
| US5429108A (en) | 1993-10-19 | 1995-07-04 | Hsieh; Yin-Wang | Air-operated toy gun |
| US5529050A (en) | 1994-06-10 | 1996-06-25 | D'andrade; Bruce M. | Safety nozzle for projectile shooting air gun |
| US5782228A (en) * | 1997-08-26 | 1998-07-21 | Wu; Wen-Long | Toy flying disk and launcher system |
| US5901693A (en) | 1997-10-22 | 1999-05-11 | Hasbro, Inc. | Toy gun having an offset projectile launch and transparent viewfinding plunger |
| US6116229A (en) * | 1998-12-16 | 2000-09-12 | Wu; Wen-Long | Hand-held safe disk shooting toy |
| US6276353B1 (en) | 1997-02-21 | 2001-08-21 | Koala Corporation | Projectile launcher |
| US6361393B1 (en) * | 1998-10-09 | 2002-03-26 | Elenco Electronics, Inc. | Magnetic impulse reaction driven toys |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844710A (en) * | 1954-10-07 | 1958-07-22 | Zinsser Rudolf Gustav | Sighting attachment for firearms |
| US3510965A (en) * | 1967-04-14 | 1970-05-12 | Don E Rhea | Training aid for sighting small arms |
| US3810455A (en) * | 1972-06-16 | 1974-05-14 | Victor Co Corp | Pneumatic gun with polygonal cross-section bolt member |
| US4117282A (en) * | 1977-02-22 | 1978-09-26 | Ideal Toy Corporation | Switch time-delay mechanism for toy gun |
| US4313273A (en) * | 1979-04-25 | 1982-02-02 | Laser Products Corporation | Firearms and laser beam aim assisting methods and apparatus |
| US4488370A (en) * | 1980-02-15 | 1984-12-18 | Lemelson Jerome H | Weapon control system and method |
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| US4910646A (en) * | 1988-04-30 | 1990-03-20 | Ki-On Trading Co., Ltd. | Flashlight-coin throwing gun |
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| US5448984A (en) * | 1993-08-19 | 1995-09-12 | Lanard Toys Limited | Toy that selectively shoots soft balls and water |
| US5622159A (en) * | 1995-05-05 | 1997-04-22 | Lcd International, L.L.C. | Toy weapon firing a shapeless semi-solid charge |
| US5842300A (en) * | 1996-09-09 | 1998-12-01 | Fss, Inc. | Retrofittable laser and recoil system for a firearm |
| US5791326A (en) * | 1997-01-23 | 1998-08-11 | Hasbro, Inc. | Projectile launcher with slidable launch tube |
| US6279562B1 (en) * | 1998-02-09 | 2001-08-28 | Richard A. Clayton | Toy gun with multiple discharge ports |
| US6099316A (en) * | 1998-04-29 | 2000-08-08 | Universal Studios, Inc. | Simulated assault weapon |
| US6142135A (en) * | 1998-12-22 | 2000-11-07 | Thompson; Eugene R. | Air powered gun system |
| US6408837B1 (en) * | 1999-09-13 | 2002-06-25 | Johnson Research & Development Co. | Toy gun with magazine |
| US6364162B1 (en) * | 2000-01-06 | 2002-04-02 | Johnson Research & Development Co. | Automatic pressurized fluid gun |
| US6648726B2 (en) * | 2000-09-13 | 2003-11-18 | All Seasons Toys, Inc | Toy gun and glow in the dark projectile |
| US6698414B1 (en) * | 2002-08-30 | 2004-03-02 | Hasbro Inc | Pressure gauge for pneumatic toy gun |
-
2003
- 2003-07-09 US US10/616,418 patent/US20050016514A1/en not_active Abandoned
-
2004
- 2004-07-08 EP EP04254090A patent/EP1500898A1/de not_active Withdrawn
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2762356A (en) * | 1953-03-23 | 1956-09-11 | Edwin E Foster | Repeating air gun |
| US3397484A (en) * | 1965-10-22 | 1968-08-20 | Mattel Inc | Sound and optical effects toy |
| US3540426A (en) | 1967-03-28 | 1970-11-17 | Marx & Co Louis | Air gun |
| US4848307A (en) * | 1988-06-07 | 1989-07-18 | Tsao Yung Chi | Toy air pistol for launching missile bullet |
| US5004444A (en) * | 1989-08-09 | 1991-04-02 | Chih Hsieh C | Toy submachine gun |
| US5261852A (en) * | 1992-07-06 | 1993-11-16 | Takara Co., Ltd. | Shooting device for toy |
| US5343849A (en) | 1992-08-17 | 1994-09-06 | Michael Steer | Rapid fire ball gun |
| US5283970A (en) * | 1992-09-25 | 1994-02-08 | Strombecker Corporation | Toy guns |
| US5377656A (en) | 1993-05-10 | 1995-01-03 | Tonka Corporation | Toy gun |
| US5373833A (en) | 1993-07-12 | 1994-12-20 | D'andrade; Bruce M. | Projectile shooting air gun with bladder |
| US5429108A (en) | 1993-10-19 | 1995-07-04 | Hsieh; Yin-Wang | Air-operated toy gun |
| US5529050A (en) | 1994-06-10 | 1996-06-25 | D'andrade; Bruce M. | Safety nozzle for projectile shooting air gun |
| US6276353B1 (en) | 1997-02-21 | 2001-08-21 | Koala Corporation | Projectile launcher |
| US5782228A (en) * | 1997-08-26 | 1998-07-21 | Wu; Wen-Long | Toy flying disk and launcher system |
| US5901693A (en) | 1997-10-22 | 1999-05-11 | Hasbro, Inc. | Toy gun having an offset projectile launch and transparent viewfinding plunger |
| US6361393B1 (en) * | 1998-10-09 | 2002-03-26 | Elenco Electronics, Inc. | Magnetic impulse reaction driven toys |
| US6116229A (en) * | 1998-12-16 | 2000-09-12 | Wu; Wen-Long | Hand-held safe disk shooting toy |
Non-Patent Citations (1)
| Title |
|---|
| A.J.R.CORMACK: "COLT PERCUSSION REVOLVERS", SMALL ARMS PROFILE, no. 16, 1972, WINDSOR,ENGLAND, pages 61 - 62, XP002298022 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719679A (zh) * | 2022-04-07 | 2022-07-08 | 湖南翔为通用航空有限公司 | 一种消防弹的发射方法 |
| CN114719679B (zh) * | 2022-04-07 | 2024-04-09 | 湖南翔为通用航空有限公司 | 一种消防弹的发射方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050016514A1 (en) | 2005-01-27 |
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Effective date: 20050727 |