US2916970A - Anti-recoil gun barrels - Google Patents
Anti-recoil gun barrels Download PDFInfo
- Publication number
- US2916970A US2916970A US564711A US56471156A US2916970A US 2916970 A US2916970 A US 2916970A US 564711 A US564711 A US 564711A US 56471156 A US56471156 A US 56471156A US 2916970 A US2916970 A US 2916970A
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- Prior art keywords
- muzzle
- barrel
- sleeve
- gas
- openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/28—Gas-expansion chambers; Barrels provided with gas-relieving ports
Definitions
- This invention relates to new and useful improvements uand structural refinements in firearms, particularly rifles, revolvers, pistols, and the like, and the principal object of the invention is to effectively counte'ract the customary .recoil occuring when the gun is fired and to simultaneously counteract the so-called' muzzle flip, or tendency of the muzzle to rise upon firing.
- the linstant invention is an improveunent of my earlier invention disclosed in my co-pending :application Serial No. 473,652, filed December 7', 1954, 'now Patent No. 2,842,024, of which this application is a continuation-in-part.
- V j 1 p U Another important feature involves the provision of an :anti-recoil gas chamber in the gun barrel which chamber is only slightly larger in diameter than the bore of the barrel land does not require the use of a gas baflie or trap, but only a close sealing bullet exit.
- Another important feature of the. invention resides in providing a sleeve or a plurality of sleeves coaxially on the muzzle portion of the barrel and forming the latter as well as the sleeves with sets of gas outlet openings arranged alternately in diametrically opposite regions thereof, so as to provide a tortuous passageway for escape of gasses from the gas chamber in the muzzle portion to the atmosphere.
- Figure 1 is a fragrnentary longitudinal sectional view of a -gun barrel embodying the invention integrally therein;
- Figure 2 is a cross-sectional view, taken substantially in the plane of the line 2--2 in Figure 1;
- Figure 3 is a cross-sectional view, taken substantially in the plane of the line 3-3 in Figure 1;
- Figure 4 is a fragmentary sectional detail, taken substantially in the plane of the line 4-4 in Figure 3;
- Figure 5 is a fragmentary longitudinal sectional view showing a modified form of the invention.
- Figure 6 is a cross-sectional detail, taken substantially in the plane of the line 6 6 in Figure 5;
- Figure 7 is a fragmentary longitudinal sectional view of another modified form of the invention.
- VICC Figure 8 is a cross-sectional detail, taken substantially in the plane of the line V8-8 in Figure 7;
- FIG. 9 is a fragmentary longitudinal sectional view off another modified form of the invention.
- V Figure 10 is a cross-sectional detail, taken substantially in the'plane of the line 10--10 in Figure 9.
- the gun barrel is designated generally by the reference numeral 25, including the bore 26, the muzzle 27 and the usual front sight 28.
- the muzzle portion 27 of the barrel is formed with a diametrically enlarged gas chamber 29 provided at its front end with a bullet sealing exit 30, which is spaced forwardly from but is coaxial with the bore 26 of the barrel.
- the muzzle portion 27 is also provided at the top' thereof with a plurality of rows of gas outletopenings 19, these openings, as in my earlier application, being spaced laterally or circumferentially to opposite sides of the vertical medial line of the barrel and the openings in each roW having their axes radially disposed.
- T'he openings 19 communicate With the gas chamber 29 to facilitate escape .of exploded gases therefrom and, of course, the size and number of the openings is such as to properly control the flow of gases escaping therethrough and produce the required amount of down- Ward thru'st to electively counteract muzzle flip.
- the portion ofthe barrel 25 rearwardly of but adjacent to the gas chamber 29 is provided at the top thereof with rows of ventilating apertures 21, there preferably being two rows of such apertures spaced laterally to opposite sides of the vertical medial line of thelbarrelV and communicating With the bore 2,6.
- the axes of the apertures 21 are disposed in radial planes, but are inclined rearwardly as shown in Figure 4, so that gases escaping therethrough are rearwardly directed.
- This embodiment of the invention is integral with the barrelV of the gun, rather than being an attachment therefor, as in my earlier application.
- the modified form of the invention shown in Figure 5 'and 6 is similar to that in Figures 1-4, except that the gas chamber 31 is in the form of a counterbore only slightly larger in diameter than the bore 26a and extending freely to the front end of the barrel so that the gas bafile or trap at the front of the barrel is not necessary.
- the ventilating apertures 21 may be also omitted in this form of the invention.
- the principle of braking is to suddenly arrest the forward flow of high velocity, high pressure gases while the bullet momentarily seals oif the exit, and forcing these gases to pass out at a neutral angle, thuseifectiveiy controlling gas acceleration recoil and rocket effect of otherwise liberated and expanding gases at the muzzle, such as occurs in unbraked barrels.
- the barrel 32 has the muzzle 33 reduced in outside diameter and formed with a central gas chamber 34 which is larger in diameter than the bore 35.
- a cylindrical sleeve 36 is positioned coaxially in spaced relation on the muzzle 33, this being effected by providing the muzzle at its inner end portion and the sleeve with engaging screw-threads 37. It will be apparent from the foregoing that an annular gas chamber 38 exists between the muzzle portion 33 and the sleeve 36, the front end of this chamber being Closed by an inturned flange 39 provided on the sleeve and engaging the muzzle.
- the outer surface of the sleeve 36 is flush with the outer surface of the barrel 32 and the muzzle portion 33, in this instance, is formed at the bottom thereof with the gas escape openings 19a which establisl communication between the central chamber 34 and the annular Chamber 38 'to provide a tortuous' outlet passageway for.
- An outwardly flanged, externally screw-threaded bushing 40 is provided in ⁇ the muzzle portion 33 at .the outer end of'the Central Chamber 3'4 and .alfords a 'bulletguide or exit 40' in axial alignmerit' with the bore 3 ⁇ 5. ⁇
- FIG. 9 an'd 10' Another modfied form of ⁇ the invention shown 'in Figures 9 an'd 10' is similar to that ⁇ in Figures '7-8, with the except'ion that a,p'lura ⁇ lity o'fsleeves 936a, 36b are posi- ⁇ tioned coaxially and 'in Vradially outwardly spaced relation on the muzzle portion '33a of the barrel 32a.
- This construction is feasible in instances where the barrel'is of suicient diameter to accommodate the p'lurality of sleeves, while maintaining the outermost sleeve flush with the outside of the barrel.
- the sleeves 36a, 36b are connected by screw-threads 3711, ⁇ 37fb to the respective, diarnetrically stepped, screwthreaded portions of the barre'l as illustrated in Figure 9 and coact with the muzzle portion 33a in ,providing ⁇ a plurality of annular gas chamhers 38a, 38b, which are Closed at their forward ends with inturned flanges 39a, 3912, as will be clearly apparent.
- the muzzle portion 33a in this instance, may also assume the form of a sleeve connected to the main body of the barrel by sCrew-threads 41 ⁇ at its rear end, and forr'ned with an integral bullet guide or exit 42' at its Afront end.
- the gas escape openings 19,, ⁇ 1'9 ⁇ a, '19b are ,provided alternately in ⁇ diametriclly opposite regions of ⁇ the muzz'Ie portion and sleeves, that is, the openings are at the bottom of the "inne ⁇ r sleeve but a't the top of the muzzle portion and outer sleeve, to form a tortuous passageway for the gases. 'In all linstances the openings .are
- the size and number of .the openings is such that the combined area of the openings in the muzzle portion .or'
- the muzzle portion 33 may also be formed separately from the barrel in the nature of a ⁇ sleeve such as is illustrated n Figure 9, in which event the exit bush'ng 40 may be omitted and the bullet exit formed integrally in the sepaprovided with an erlarged Central gas Chamber, and a Cylindrical sleeve jproyided ⁇ on said zbarrel coaxally with and in radially outwardly spaced relation from the muzzile portion thereof whereby to form an annular gas Chamber between the muzzle portion and said sleeve, said Central gas Chamber having a lateral wall with vimperforate top .and sides and a bottom provided with a set of gas outlet Hopenings communicating with said an-l nular gas Chamber, ⁇ said annular gas Chamber having a lateral wall with imperforate sides and bottom and a top provided with another set of gas outlet openings, whereby to provide a tortuous gas passageway extending radially outwardly from
- An anti-recoil gungbarrel having a muzzle ,portion provided .with an erilarged centra] gas Chamber, and a plurality of cylindrical sleeves provided on said barrel coaxially with and in radially outwardly spaced relation from' the muzzle portionland from one another whereby to form a' plurality' ofv annu'liar gas chambers 'between the sleeves' and between the 'inn'ermost sleeve and .the muzzle por'- tion, said muzzle portion 'and said sleeves being provided alternately at' diametrically opposite regions thereof with sets ⁇ of 'gas outlet'openin'gs and the remaining regions thereof being .imperforate, whereby to provide a tortuous gas 'passa'geway extending radially outwardly 'from usaid centralchamb'er'to the .atmosphere References Cited in the file of this patent UNITED STATES ,RATENT S
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Description
Dec. 15, 1959 J. F. MUTTER ANTI-RECOIL GUN BARRELS Filed Feb. 10, 1956 United .Patent ANTI-RECOIL GUN BARRELS John F. Mutter, Pendleton, Oreg. Application February 10, 1956, Serial'No. 564,711
2 Claims. (Cl. 89-14) This invention relates to new and useful improvements uand structural refinements in firearms, particularly rifles, revolvers, pistols, and the like, and the principal object of the invention is to effectively counte'ract the customary .recoil occuring when the gun is fired and to simultaneously counteract the so-called' muzzle flip, or tendency of the muzzle to rise upon firing.
More specifically, the linstant invention is an improveunent of my earlier invention disclosed in my co-pending :application Serial No. 473,652, filed December 7', 1954, 'now Patent No. 2,842,024, of which this application is a continuation-in-part.
While experimenting with and using the invention according to my earlier application, I found that the same lends itself to certain structural simplifications on` one hand, and certain functional refinements on the other. .According1y, the instant application discloses certain variations of my earlier invention, in which such improvenents are embodied.
Briefiy stated, one important featui'e of the present invention resides in embodying thev anti-recoil means integrally in the gun barrel rather than as an attachment thereto. V j 1 p U Another important feature involves the provision of an :anti-recoil gas chamber in the gun barrel which chamber is only slightly larger in diameter than the bore of the barrel land does not require the use of a gas baflie or trap, but only a close sealing bullet exit.
Another important feature of the. invention resides in providing a sleeve or a plurality of sleeves coaxially on the muzzle portion of the barrel and forming the latter as well as the sleeves with sets of gas outlet openings arranged alternately in diametrically opposite regions thereof, so as to provide a tortuous passageway for escape of gasses from the gas chamber in the muzzle portion to the atmosphere.
With the above more important objects and features in view and such other objects and features as may become apparent as this specification proceeds, the invention resides in the arrangement of parts and details of constructions substantially as shown in the accompanying drawing, wherein like characters of reference are employed to designate like parts and wherein:
Figure 1 is a fragrnentary longitudinal sectional view of a -gun barrel embodying the invention integrally therein;
Figure 2 is a cross-sectional view, taken substantially in the plane of the line 2--2 in Figure 1;
Figure 3 is a cross-sectional view, taken substantially in the plane of the line 3-3 in Figure 1;
Figure 4 is a fragmentary sectional detail, taken substantially in the plane of the line 4-4 in Figure 3;
Figure 5 is a fragmentary longitudinal sectional view showing a modified form of the invention;
Figure 6 is a cross-sectional detail, taken substantially in the plane of the line 6 6 in Figure 5;
Figure 7 is a fragmentary longitudinal sectional view of another modified form of the invention;
a 2916970 Pati-,area Dec. s, 1959.
f. VICC Figure 8 is a cross-sectional detail, taken substantially in the plane of the line V8-8 in Figure 7;
Figure 9 is a fragmentary longitudinal sectional view off another modified form of the invention; and
V Figure 10 is a cross-sectional detail, taken substantially in the'plane of the line 10--10 in Figure 9.
Referring now to the accompanying drawing in detail, particularly to Figures l-4 thereof, the gun barrel is designated generally by the reference numeral 25, including the bore 26, the muzzle 27 and the usual front sight 28. l i
The muzzle portion 27 of the barrel is formed with a diametrically enlarged gas chamber 29 provided at its front end with a bullet sealing exit 30, which is spaced forwardly from but is coaxial with the bore 26 of the barrel.
The muzzle portion 27 is also provided at the top' thereof with a plurality of rows of gas outletopenings 19, these openings, as in my earlier application, being spaced laterally or circumferentially to opposite sides of the vertical medial line of the barrel and the openings in each roW having their axes radially disposed.
vThe portion ofthe barrel 25 rearwardly of but adjacent to the gas chamber 29 is provided at the top thereof with rows of ventilating apertures 21, there preferably being two rows of such apertures spaced laterally to opposite sides of the vertical medial line of thelbarrelV and communicating With the bore 2,6. The axes of the apertures 21 are disposed in radial planes, but are inclined rearwardly as shown in Figure 4, so that gases escaping therethrough are rearwardly directed. This embodiment of the invention is integral with the barrelV of the gun, rather than being an attachment therefor, as in my earlier application.
The modified form of the invention shown in Figure 5 'and 6 is similar to that in Figures 1-4, except that the gas chamber 31 is in the form of a counterbore only slightly larger in diameter than the bore 26a and extending freely to the front end of the barrel so that the gas bafile or trap at the front of the barrel is not necessary. The ventilating apertures 21 may be also omitted in this form of the invention.
The principle of braking is to suddenly arrest the forward flow of high velocity, high pressure gases while the bullet momentarily seals oif the exit, and forcing these gases to pass out at a neutral angle, thuseifectiveiy controlling gas acceleration recoil and rocket effect of otherwise liberated and expanding gases at the muzzle, such as occurs in unbraked barrels.
In another modified form shown in Figures 7 and 8, the barrel 32 has the muzzle 33 reduced in outside diameter and formed with a central gas chamber 34 which is larger in diameter than the bore 35. A cylindrical sleeve 36 is positioned coaxially in spaced relation on the muzzle 33, this being effected by providing the muzzle at its inner end portion and the sleeve with engaging screw-threads 37. It will be apparent from the foregoing that an annular gas chamber 38 exists between the muzzle portion 33 and the sleeve 36, the front end of this chamber being Closed by an inturned flange 39 provided on the sleeve and engaging the muzzle.
The outer surface of the sleeve 36 is flush with the outer surface of the barrel 32 and the muzzle portion 33, in this instance, is formed at the bottom thereof with the gas escape openings 19a which establisl communication between the central chamber 34 and the annular Chamber 38 'to provide a tortuous' outlet passageway for.
gases from the Central chamber 321 and since the openings 19b communicating `With ?the atmosphere are `disposed at the top of the sleeve, downward 'thrust will be produced to counteract muzzle `flip, as in the `emlodiments of .the invention already described.
An outwardly flanged, externally screw-threaded bushing 40 is provided in` the muzzle portion 33 at .the outer end of'the Central Chamber 3'4 and .alfords a 'bulletguide or exit 40' in axial alignmerit' with the bore 3`5.`
Another modfied form of `the invention shown 'in Figures 9 an'd 10' is similar to that `in Figures '7-8, with the except'ion that a,p'lura`lity o'fsleeves 936a, 36b are posi-` tioned coaxially and 'in Vradially outwardly spaced relation on the muzzle portion '33a of the barrel 32a. This construction is feasible in instances where the barrel'is of suicient diameter to accommodate the p'lurality of sleeves, while maintaining the outermost sleeve flush with the outside of the barrel.
The sleeves 36a, 36b are connected by screw-threads 3711, `37fb to the respective, diarnetrically stepped, screwthreaded portions of the barre'l as illustrated in Figure 9 and coact with the muzzle portion 33a in ,providing `a plurality of annular gas chamhers 38a, 38b, which are Closed at their forward ends with inturned flanges 39a, 3912, as will be clearly apparent. The muzzle portion 33a, in this instance, may also assume the form of a sleeve connected to the main body of the barrel by sCrew-threads 41 `at its rear end, and forr'ned with an integral bullet guide or exit 42' at its Afront end.
The gas escape openings 19,, `1'9`a, '19b are ,provided alternately in` diametriclly opposite regions of `the muzz'Ie portion and sleeves, that is, the openings are at the bottom of the "inne`r sleeve but a't the top of the muzzle portion and outer sleeve, to form a tortuous passageway for the gases. 'In all linstances the openings .are
at the top of the Ioutermost sleeve, so that gasesfescap-` ing therefrom into the atmosphere Create the ,necessary thrust to counteract muzzle flip. h
In both forms-of the invention-shown in Figures 7 and 9,, the size and number of .the openings is such that the combined area of the openings in the muzzle portion .or'
innermost Asleeveis smaller than in the next router sleeve, with the combined .area of theopenings in the outermost sleeve being the largest, whereby 4to facilitate rapid reduction in gas pressure by the time the `bullet leaves the exist of the muzzle.
In the Construction shown in Figure 7, the muzzle portion 33 may also be formed separately from the barrel in the nature of a`` sleeve such as is illustrated nFigure 9, in which event the exit bush'ng 40 may be omitted and the bullet exit formed integrally in the sepaprovided with an erlarged Central gas Chamber, and a Cylindrical sleeve jproyided `on said zbarrel coaxally with and in radially outwardly spaced relation from the muzzile portion thereof whereby to form an annular gas Chamber between the muzzle portion and said sleeve, said Central gas Chamber having a lateral wall with vimperforate top .and sides and a bottom provided with a set of gas outlet Hopenings communicating with said an-l nular gas Chamber, `said annular gas Chamber having a lateral wall with imperforate sides and bottom and a top provided with another set of gas outlet openings, whereby to provide a tortuous gas passageway extending radially outwardly from said Central `Chamber to `the atmosphere.
2. An anti-recoil gungbarrel having a muzzle ,portion provided .with an erilarged centra] gas Chamber, and a plurality of cylindrical sleeves provided on said barrel coaxially with and in radially outwardly spaced relation from' the muzzle portionland from one another whereby to form a' plurality' ofv annu'liar gas chambers 'between the sleeves' and between the 'inn'ermost sleeve and .the muzzle por'- tion, said muzzle portion 'and said sleeves being provided alternately at' diametrically opposite regions thereof with sets` of 'gas outlet'openin'gs and the remaining regions thereof being .imperforate, whereby to provide a tortuous gas 'passa'geway extending radially outwardly 'from usaid centralchamb'er'to the .atmosphere References Cited in the file of this patent UNITED STATES ,RATENT S
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US564711A US2916970A (en) | 1956-02-10 | 1956-02-10 | Anti-recoil gun barrels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US564711A US2916970A (en) | 1956-02-10 | 1956-02-10 | Anti-recoil gun barrels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2916970A true US2916970A (en) | 1959-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US564711A Expired - Lifetime US2916970A (en) | 1956-02-10 | 1956-02-10 | Anti-recoil gun barrels |
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| US (1) | US2916970A (en) |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3316997A (en) * | 1965-02-11 | 1967-05-02 | James N Mccoy | Echo ranging apparatus |
| US3808943A (en) * | 1972-04-27 | 1974-05-07 | L Kelly | Gun-leveling device |
| US3858481A (en) * | 1973-03-19 | 1975-01-07 | Otho Harkness Elliott | For: compensator system for sporting and target rifles |
| US4058050A (en) * | 1976-07-19 | 1977-11-15 | Dan Wesson Arms, Inc. | Gun leveling device |
| US4406078A (en) * | 1981-05-06 | 1983-09-27 | Blieck John H De | Sight rib for firearm leveling |
| US4811648A (en) * | 1987-09-14 | 1989-03-14 | Blackwell David L | Muzzle brake device |
| US5010676A (en) * | 1989-03-21 | 1991-04-30 | Cfpi Inc. | Hand guard for firearms |
| US5020416A (en) * | 1988-03-02 | 1991-06-04 | Pantera Armory, Inc. | Muzzle brake for firearms |
| US5367940A (en) * | 1993-06-03 | 1994-11-29 | Taylor; Henry A. | Combined muzzle brake, muzzle climb controller and noise redirector for firearms |
| US20030024377A1 (en) * | 2001-08-03 | 2003-02-06 | Diller E. Wendell | Elongated vented gun barrel |
| US6516698B1 (en) | 2001-10-31 | 2003-02-11 | Cape Aerospace | Muzzle brake for firearm |
| US6694887B2 (en) | 2000-06-09 | 2004-02-24 | E. Wendell Diller | Shotgun shell flight path indicator |
| US20040154462A1 (en) * | 2001-07-19 | 2004-08-12 | Ang Teoh Hwa | Blast diffuser |
| US20050188882A1 (en) * | 2000-06-09 | 2005-09-01 | Diller E. W. | Shotgun shell flight path indicator |
| US7207258B1 (en) * | 2004-12-10 | 2007-04-24 | United States Of America As Represented By The Secretary Of The Army | Weapon silencers and related systems |
| US20160370141A1 (en) * | 2014-02-24 | 2016-12-22 | Ferfrans Inc | Muzzle brake concussion reducing device for firearms and associated muzzle brakes and compensators |
| US9797672B2 (en) * | 2015-01-17 | 2017-10-24 | Brian Wilson | Tunable muzzle compensator for a firearm |
| US10161703B2 (en) * | 2017-02-24 | 2018-12-25 | Shaoxing Lingfeng Air Gun Manufacturing Co., Ltd. | Integrated structure of barrel and air storage pipe of air gun |
| US20190017768A1 (en) * | 2017-03-23 | 2019-01-17 | Gerald R. Thomas | Suppressor for firearms |
| US20190017773A1 (en) * | 2017-06-29 | 2019-01-17 | Spike's Tactical, Llc | Auto-loading underwater firearm |
| NO344065B1 (en) * | 2017-10-19 | 2019-08-26 | Srx Tec As | System for signature attenuation of a projectile |
| US20200025500A1 (en) * | 2017-11-29 | 2020-01-23 | Michael P. Tindal | Firearm compensator |
| US10746491B2 (en) * | 2016-01-17 | 2020-08-18 | Ascendance International, LLC | Firearm suppression device |
| US11054207B2 (en) * | 2018-10-11 | 2021-07-06 | Scott R. Martin | Integrally suppressed firearm utilizing segregated expansion chambers |
| US11112201B2 (en) * | 2019-07-29 | 2021-09-07 | Sturm, Ruger & Company, Inc. | Ported barrel system for firearms |
| US11920883B1 (en) * | 2022-09-26 | 2024-03-05 | Henry Anderson, Jr. | Suppressor assembly for a firearm |
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| US786230A (en) * | 1904-01-26 | 1905-03-28 | Samuel N Mcclean | Recoil-controlling means for guns. |
| US812140A (en) * | 1901-06-14 | 1906-02-06 | Perry E Kent | Gun-barrel for pistols, rifles, and ordnance. |
| GB191323571A (en) * | 1912-11-01 | 1914-04-23 | Rheinische Metallw & Maschf | Improvements in Guns having a Device for Diverting the Flame or Gases Issuing from the Gun. |
| US1415919A (en) * | 1919-01-23 | 1922-05-16 | John S Butler | Flash hider and recoil absorber |
| US1487312A (en) * | 1922-10-31 | 1924-03-18 | William R Bull | Flash hider |
| US1605864A (en) * | 1924-10-18 | 1926-11-02 | Bubou steineggeb | |
| US1636357A (en) * | 1926-05-22 | 1927-07-19 | Richard M Cutts Sr | Anticlimb device |
| US1939700A (en) * | 1932-06-17 | 1933-12-19 | Clarence F Hofstetter | Muzzle attachment for guns |
| FR849226A (en) * | 1938-02-01 | 1939-11-16 | Ceskoslovenska Zbrojovka As | Muzzle brake for firearms |
| GB569476A (en) * | 1942-04-08 | 1945-05-25 | J C Ljungman Ab | Improvements in muzzle-brakes for firearms |
| US2742821A (en) * | 1945-04-17 | 1956-04-24 | Leroy R Sweetman | Vent for tapered bore gun |
-
1956
- 1956-02-10 US US564711A patent/US2916970A/en not_active Expired - Lifetime
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|---|---|---|---|---|
| US812140A (en) * | 1901-06-14 | 1906-02-06 | Perry E Kent | Gun-barrel for pistols, rifles, and ordnance. |
| US786230A (en) * | 1904-01-26 | 1905-03-28 | Samuel N Mcclean | Recoil-controlling means for guns. |
| GB191323571A (en) * | 1912-11-01 | 1914-04-23 | Rheinische Metallw & Maschf | Improvements in Guns having a Device for Diverting the Flame or Gases Issuing from the Gun. |
| US1415919A (en) * | 1919-01-23 | 1922-05-16 | John S Butler | Flash hider and recoil absorber |
| US1487312A (en) * | 1922-10-31 | 1924-03-18 | William R Bull | Flash hider |
| US1605864A (en) * | 1924-10-18 | 1926-11-02 | Bubou steineggeb | |
| US1636357A (en) * | 1926-05-22 | 1927-07-19 | Richard M Cutts Sr | Anticlimb device |
| US1939700A (en) * | 1932-06-17 | 1933-12-19 | Clarence F Hofstetter | Muzzle attachment for guns |
| FR849226A (en) * | 1938-02-01 | 1939-11-16 | Ceskoslovenska Zbrojovka As | Muzzle brake for firearms |
| GB569476A (en) * | 1942-04-08 | 1945-05-25 | J C Ljungman Ab | Improvements in muzzle-brakes for firearms |
| US2742821A (en) * | 1945-04-17 | 1956-04-24 | Leroy R Sweetman | Vent for tapered bore gun |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3316997A (en) * | 1965-02-11 | 1967-05-02 | James N Mccoy | Echo ranging apparatus |
| US3808943A (en) * | 1972-04-27 | 1974-05-07 | L Kelly | Gun-leveling device |
| US3858481A (en) * | 1973-03-19 | 1975-01-07 | Otho Harkness Elliott | For: compensator system for sporting and target rifles |
| US4058050A (en) * | 1976-07-19 | 1977-11-15 | Dan Wesson Arms, Inc. | Gun leveling device |
| US4406078A (en) * | 1981-05-06 | 1983-09-27 | Blieck John H De | Sight rib for firearm leveling |
| US4811648A (en) * | 1987-09-14 | 1989-03-14 | Blackwell David L | Muzzle brake device |
| US5020416A (en) * | 1988-03-02 | 1991-06-04 | Pantera Armory, Inc. | Muzzle brake for firearms |
| US5010676A (en) * | 1989-03-21 | 1991-04-30 | Cfpi Inc. | Hand guard for firearms |
| US5367940A (en) * | 1993-06-03 | 1994-11-29 | Taylor; Henry A. | Combined muzzle brake, muzzle climb controller and noise redirector for firearms |
| US20050188881A1 (en) * | 2000-06-09 | 2005-09-01 | Diller E. W. | Shotgun shell flight path indicator |
| US6694887B2 (en) | 2000-06-09 | 2004-02-24 | E. Wendell Diller | Shotgun shell flight path indicator |
| US6886468B2 (en) | 2000-06-09 | 2005-05-03 | E. Wendell Diller | Shotgun shell flight path indicator |
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