US20200292257A1 - Firearm - Google Patents
Firearm Download PDFInfo
- Publication number
- US20200292257A1 US20200292257A1 US16/087,062 US201716087062A US2020292257A1 US 20200292257 A1 US20200292257 A1 US 20200292257A1 US 201716087062 A US201716087062 A US 201716087062A US 2020292257 A1 US2020292257 A1 US 2020292257A1
- Authority
- US
- United States
- Prior art keywords
- tensioning lever
- breech
- firearm
- latch
- lever
- 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.)
- Granted
Links
- 238000010304 firing Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
- F41A3/72—Operating handles or levers; Mounting thereof in breech-blocks or bolts
Definitions
- the invention relates to a firearm, in particular to a firearm with a tensioning lever with an unchanged position during the movement of the breech caused by the shot.
- the firearm comprises a tensioning lever that is independent of the movement of the breech during shooting in the said sense.
- the tensioning lever is used to manually pull the breech to the rear position; after its releasing the firearm is loaded. Further, it makes it possible, in case of incomplete closing of the breech, to move it to the initial front position before firing.
- the tensioning lever can be positioned at the right or left side of the firearm housing.
- the Tensioning Lever is Independent of the Breech Movement During Shooting
- this design is more advantageous than that with the tensioning lever being fixed to the breech.
- the tensioning lever is fixed to the firearm housing during shooting and does not disturb the operator.
- the tensioning lever is installed at the left or right side of the firearm housing, or in the rear part of the housing over the shoulder support of the firearm.
- a firearm in accordance with the invention comprising a firearm housing connected to the barrel assembly, a firearm breech mounted in the housing and connected to a spring for forcing the breech to its initial shooting position, a tensioning lever as well as a tensioning lever carrier that is connected to the tensioning lever and arranged for common linear movement in the axial direction of the firearm with the tensioning lever in and against the shooting direction, wherein the tensioning lever contains the first latch and lever part, wherein the first latch is arranged for controlled movement by means of manual control of the lever part from the first position—shooting position, wherein the first latch is engaged with the barrel assembly, fixing the tensioning lever to the barrel assembly, to the second position, wherein this engagement is disconnected and the tensioning lever can move in the said axial direction against the shooting direction, and the carrier comprises the second latch arranged in such a way that when the first latch is in the said first position, the second latch is out of engagement with the breech, so the breech, during its movement against the shooting direction
- the tensioning lever comprises a spring arranged to force the first latch into engagement with the barrel assembly and the lever part arranged in such a way that manual exertion of a force against the shooting direction on the lever part will set the first latch in motion from the said first position to the said second position against the spring force.
- the tensioning lever is inserted in a carrier, and can be inserted into the carrier optionally in such a way that the lever part can be mounted at the right or left side of the firearm.
- the firearm is preferably arranged in such a way that the tensioning lever and carrier are removable from the housing without the use of any tools.
- the tensioning lever preferably comprises a grip that the lever part is fitted with.
- the new design of the loading mechanism describes the option that enables positioning of the tensioning lever at the right or left side of the firearm housing. To minimize the number of parts in the loading mechanism, it is not just the tensioning lever as such but an assembly of several parts that changes its side.
- the assembly contains both the tensioning lever and the latch that ensures fixing of the loading mechanism to the firearm housing during shooting.
- the carrier of the tensioning lever remains in the firearm housing, wherein the tensioning lever assembly can be inserted into the carrier from the left or right side.
- the carrier of the tensioning lever can contain a latch that will ensure connection of the carrier of the tensioning lever and the firearm breech.
- a precondition for this design is that in the front position of the breech, the carrier of the tensioning lever and the breech must get disconnected again to ensure independent movement of the breech and tensioning lever during shooting.
- FIG. 1 shows the tensioning lever of a firearm according to the invention
- FIG. 2 shows a perspective view of the embodiment example of the firearm according to the invention with the firearm breech in the front position
- FIG. 3 shows the firearm of FIG. 2 in a partial longitudinal cross-section
- FIG. 4 shows the firearm of FIG. 3 with the breech removed outside the initial front position
- FIG. 5 shows the mechanism of cooperation of the tensioning lever with the barrel assembly in the firearm of FIG. 2 to 4 .
- FIG. 6 shows the firearm of FIG. 2 to 5 with the position of the firearm breech and the carrier of the tensioning lever wherein the right or left mounting side of the tensioning lever assembly can be changed.
- FIG. 1 shows the tensioning lever 11 of a firearm according to the invention.
- the tensioning lever 11 comprises a base 9 , a lever part 7 , the first latch 6 and a spring 10 .
- the spring 10 acts upon the first latch 6 , which fixes the tensioning lever 11 to the barrel assembly 2 during shooting (see FIG. 2 ).
- a grip 8 is mounted on the lever part 7 .
- the breech 3 is in the initial front position—position before shooting and the tensioning lever 11 is, by means of the first latch 6 , which is engaged with the barrel assembly 2 , fixed to the barrel assembly 2 .
- the barrel assembly 2 is fixed to the housing 1 .
- FIG. 3 also shows the firearm in the position before shooting, but in a cross-section.
- the firearm comprises a housing 1 connected to the barrel assembly 2 and a breech 3 that is mounted in the housing 1 and a return spring (not shown) holds it in the initial position before shooting where it is in contact with the barrel assembly 2 .
- the return spring is pretensioned in such a way to push the breech 3 forwards (i.e. in the shooting direction) to the position before shooting.
- the sliding carrier 4 of the tensioning lever 11 is positioned, the carrier being connected to the tensioning lever 11 in such a way that the tensioning lever 11 is inserted in the carrier 4 , so the carrier 4 and the tensioning lever 11 always linearly move together forwards (in the shooting direction) or backwards (against the shooting direction).
- the carrier 4 is arranged as linearly moving in and against the shooting direction, wherein in FIG. 3 it is shown in its front position, wherein the second latch 5 , which is fixed to the body of the carrier 4 in a rotary way, is in a lifted position because it is lifted by the barrel assembly 2 at its front tooth 14 as the front tooth 14 sits on the barrel assembly 2 in the contact place 13 .
- the rear tooth 15 of the second latch 5 is also out of engagement with the breech 3 , so after the shot, the breech 3 can move, without engagement with the second latch 5 , backwards, i.e. against the shooting direction against the action of the above mentioned return spring acting upon the breech 3 .
- the carrier 4 In the initial front position—in the shooting position (position before the shot), the carrier 4 is fixed in its front position by means of the first latch 6 engaged with the barrel assembly 2 , fixing the position of the tensioning lever 11 and consequently the carrier 4 connected to the tensioning lever 11 .
- the tensioning lever 11 is fixed in the front position by tooth on the first latch 6 .
- the second latch 5 as described above, is in the lifted position due to a contact with the barrel assembly 2 in the contact place 13 , and therefore it is deflected in such a way that it does not get in contact with the breech 3 , which can move against the shooting direction after the shot thanks to this.
- the breech 3 is moved manually to the rear position when force is exerted on the lever part 7 against the shooting direction.
- the first latch 6 is first deflected by tilting of the tensioning lever 7 , which will get the latch out of engagement with the barrel assembly 2 , so further pushing of the tensioning lever 7 against the shooting direction will cause removal of the tensioning lever 11 together with the guide 4 , which is connected to the tensioning lever 11 , so it moves together with the tensioning lever 11 .
- the tensioning lever 11 can be optionally mounted at the right or left side of the housing 1 within the basic dismantling.
- FIG. 6 shows the position of the breech 3 and carrier 4 where the right or left mounting side of the tensioning lever 11 can be changed.
- the tensioning lever 11 can be removed thanks to the recess in the housing 1 .
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Golf Clubs (AREA)
- Electrophonic Musical Instruments (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Buckles (AREA)
Abstract
Description
- The invention relates to a firearm, in particular to a firearm with a tensioning lever with an unchanged position during the movement of the breech caused by the shot. The firearm comprises a tensioning lever that is independent of the movement of the breech during shooting in the said sense. The tensioning lever is used to manually pull the breech to the rear position; after its releasing the firearm is loaded. Further, it makes it possible, in case of incomplete closing of the breech, to move it to the initial front position before firing. The tensioning lever can be positioned at the right or left side of the firearm housing.
- An example of a design known from the prior art is the design contained in the document GB413071A. This document discloses a tensioning lever assembly that comprises a tilting tensioning lever connected to the breech. The purpose of the tilting design of the tensioning lever is that the tensioning lever should not disturb the shooter during shooting.
- In the prior art designs, several common approaches to the design of the tilting lever arrangement can be generally distinguished.
- This is the most frequently used design, which is mainly advantageous for its simplicity and easy interchangeability of the side of the firearm where the lever is mounted (in the case of the position of the tensioning lever at the right or left side of the firearm in the shooting direction). A disadvantage of this design is that the lever moves during shooting while this movement may disturb the shooter or there is a potential risk of injury of the operator if the firearm is gripped in an unsuitable manner.
- From the operation point of view, this design is more advantageous than that with the tensioning lever being fixed to the breech. The tensioning lever is fixed to the firearm housing during shooting and does not disturb the operator. On current firearms, the tensioning lever is installed at the left or right side of the firearm housing, or in the rear part of the housing over the shoulder support of the firearm.
- The disadvantages of the said designs are:
-
- necessity to have a special mechanism to push the breech to its front position in case of “incomplete closing” (during loading of the firearm or after a shot the breech will not move to the initial front position and before the next shot, the operator must move the breech to this position manually),
- the need to fix the tensioning lever in the front position during firing (by connecting it to the firearm housing or a spring acting in the firing direction), and
- complexity of the mechanism of the tensioning lever in case of variable mounting of the tensioning lever at the right or left side of the firearm housing in the firing direction—the mechanism has up to twice the number of parts to ensure its operability from both the sides.
- The disadvantages of the prior art are eliminated by a firearm in accordance with the invention, comprising a firearm housing connected to the barrel assembly, a firearm breech mounted in the housing and connected to a spring for forcing the breech to its initial shooting position, a tensioning lever as well as a tensioning lever carrier that is connected to the tensioning lever and arranged for common linear movement in the axial direction of the firearm with the tensioning lever in and against the shooting direction, wherein the tensioning lever contains the first latch and lever part, wherein the first latch is arranged for controlled movement by means of manual control of the lever part from the first position—shooting position, wherein the first latch is engaged with the barrel assembly, fixing the tensioning lever to the barrel assembly, to the second position, wherein this engagement is disconnected and the tensioning lever can move in the said axial direction against the shooting direction, and the carrier comprises the second latch arranged in such a way that when the first latch is in the said first position, the second latch is out of engagement with the breech, so the breech, during its movement against the shooting direction caused by the shot, is not connected to the carrier, and when the tensioning lever is outside the shooting position and touches the breech at the same time, the second latch is in engagement with the breech and the tensioning lever is thus fixed to the breech, the carrier being further arranged for controlled movement in the said axial direction by means of manual control of the lever part.
- In one of preferred embodiments, the tensioning lever comprises a spring arranged to force the first latch into engagement with the barrel assembly and the lever part arranged in such a way that manual exertion of a force against the shooting direction on the lever part will set the first latch in motion from the said first position to the said second position against the spring force.
- In one of preferred embodiments, the tensioning lever is inserted in a carrier, and can be inserted into the carrier optionally in such a way that the lever part can be mounted at the right or left side of the firearm.
- The firearm is preferably arranged in such a way that the tensioning lever and carrier are removable from the housing without the use of any tools.
- The tensioning lever preferably comprises a grip that the lever part is fitted with.
- The new design of the loading mechanism describes the option that enables positioning of the tensioning lever at the right or left side of the firearm housing. To minimize the number of parts in the loading mechanism, it is not just the tensioning lever as such but an assembly of several parts that changes its side. The assembly contains both the tensioning lever and the latch that ensures fixing of the loading mechanism to the firearm housing during shooting. The carrier of the tensioning lever remains in the firearm housing, wherein the tensioning lever assembly can be inserted into the carrier from the left or right side.
- In case of a fault of the firearm, when the firearm breech needs to be moved manually to the front position, the carrier of the tensioning lever can contain a latch that will ensure connection of the carrier of the tensioning lever and the firearm breech. A precondition for this design is that in the front position of the breech, the carrier of the tensioning lever and the breech must get disconnected again to ensure independent movement of the breech and tensioning lever during shooting.
- The invention will be further clarified with the use of its embodiment example with reference to attached drawings, where:
-
FIG. 1 shows the tensioning lever of a firearm according to the invention, -
FIG. 2 shows a perspective view of the embodiment example of the firearm according to the invention with the firearm breech in the front position, -
FIG. 3 shows the firearm ofFIG. 2 in a partial longitudinal cross-section, -
FIG. 4 shows the firearm ofFIG. 3 with the breech removed outside the initial front position, -
FIG. 5 shows the mechanism of cooperation of the tensioning lever with the barrel assembly in the firearm ofFIG. 2 to 4 , and -
FIG. 6 shows the firearm ofFIG. 2 to 5 with the position of the firearm breech and the carrier of the tensioning lever wherein the right or left mounting side of the tensioning lever assembly can be changed. -
FIG. 1 shows thetensioning lever 11 of a firearm according to the invention. As shown inFIG. 1 , thetensioning lever 11 comprises a base 9, alever part 7, thefirst latch 6 and aspring 10. Thespring 10 acts upon thefirst latch 6, which fixes thetensioning lever 11 to thebarrel assembly 2 during shooting (seeFIG. 2 ). To improve handling, a grip 8 is mounted on thelever part 7. - As shown in
FIG. 2 , before a shot goes off, thebreech 3 is in the initial front position—position before shooting and thetensioning lever 11 is, by means of thefirst latch 6, which is engaged with thebarrel assembly 2, fixed to thebarrel assembly 2. Thebarrel assembly 2 is fixed to thehousing 1. - Similarly to
FIG. 2 ,FIG. 3 also shows the firearm in the position before shooting, but in a cross-section. The firearm comprises ahousing 1 connected to thebarrel assembly 2 and abreech 3 that is mounted in thehousing 1 and a return spring (not shown) holds it in the initial position before shooting where it is in contact with thebarrel assembly 2. The return spring is pretensioned in such a way to push thebreech 3 forwards (i.e. in the shooting direction) to the position before shooting. Over thebreech 3, thesliding carrier 4 of thetensioning lever 11 is positioned, the carrier being connected to thetensioning lever 11 in such a way that thetensioning lever 11 is inserted in thecarrier 4, so thecarrier 4 and thetensioning lever 11 always linearly move together forwards (in the shooting direction) or backwards (against the shooting direction). Thus, thecarrier 4 is arranged as linearly moving in and against the shooting direction, wherein inFIG. 3 it is shown in its front position, wherein thesecond latch 5, which is fixed to the body of thecarrier 4 in a rotary way, is in a lifted position because it is lifted by thebarrel assembly 2 at itsfront tooth 14 as thefront tooth 14 sits on thebarrel assembly 2 in thecontact place 13. Due to this lifting, therear tooth 15 of thesecond latch 5 is also out of engagement with thebreech 3, so after the shot, thebreech 3 can move, without engagement with thesecond latch 5, backwards, i.e. against the shooting direction against the action of the above mentioned return spring acting upon thebreech 3. In the initial front position—in the shooting position (position before the shot), thecarrier 4 is fixed in its front position by means of thefirst latch 6 engaged with thebarrel assembly 2, fixing the position of thetensioning lever 11 and consequently thecarrier 4 connected to thetensioning lever 11. - During the shot, when the
breech 3 moves against the shooting direction, thetensioning lever 11 is fixed in the front position by tooth on thefirst latch 6. Thesecond latch 5, as described above, is in the lifted position due to a contact with thebarrel assembly 2 in thecontact place 13, and therefore it is deflected in such a way that it does not get in contact with thebreech 3, which can move against the shooting direction after the shot thanks to this. - The
breech 3 is moved manually to the rear position when force is exerted on thelever part 7 against the shooting direction. As one can infer e.g. fromFIG. 5 , thefirst latch 6 is first deflected by tilting of thetensioning lever 7, which will get the latch out of engagement with thebarrel assembly 2, so further pushing of thetensioning lever 7 against the shooting direction will cause removal of thetensioning lever 11 together with theguide 4, which is connected to thetensioning lever 11, so it moves together with thetensioning lever 11. The removal of thetensioning lever 11 from the front position before the shot (from the shooting position) will result in thefront tooth 14 of thesecond latch 5 being no longer lifted by thebarrel assembly 2 in thecontact place 13, so thesecond latch 5 will descend from the lifted position and itsrear tooth 15 will fit into therecess 12, getting in engagement with thebreech 3. This way, a connection will be established between thecarrier 4 and thebreech 3. To move thebreech 3 to the front position again, it is sufficient to release thelever part 7—by the action of the return spring, which pushes thebreech 3 forwards, thebreech 3 with thecarrier 4 and thetensioning lever 11 will return to the initial front position before the shot. - In case of “incomplete closing”, i.e. condition when the
breech 3 does not completely move to the front position during loading of the firearm or after the shot and the operator must move thebreech 3 to the front position manually before the subsequent shot, the tensioninglever 11 with thecarrier 4 must first be put in contact with thebreech 3. This will ensure their mutual fixation through thesecond latch 5, which engages into arecess 12 in thebreech 3 with itsrear tooth 15 as this condition is shown inFIG. 4 . Then, force can be exerted on thelever part 7 in the shooting direction to move thebreech 3 to the initial front position before the shot. - The tensioning
lever 11 can be optionally mounted at the right or left side of thehousing 1 within the basic dismantling.FIG. 6 shows the position of thebreech 3 andcarrier 4 where the right or left mounting side of thetensioning lever 11 can be changed. The tensioninglever 11 can be removed thanks to the recess in thehousing 1. - 1—housing
- 2—barrel assembly
- 3—breech
- 4—carrier (of the tensioning lever)
- 5—second latch
- 6—first latch
- 7—lever part
- 8—grip
- 9—base
- 10—spring
- 11—tensioning lever
- 12—recess
- 13—contact place
- 14—front tooth
- 15—rear tooth
Claims (5)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CZ2016-237A CZ306785B6 (en) | 2016-04-25 | 2016-04-25 | A firearm |
CZPV2016-237 | 2016-04-25 | ||
CZ2016-237 | 2016-04-25 | ||
PCT/CZ2017/000027 WO2017186195A1 (en) | 2016-04-25 | 2017-04-20 | A firearm |
Publications (2)
Publication Number | Publication Date |
---|---|
US10775118B1 US10775118B1 (en) | 2020-09-15 |
US20200292257A1 true US20200292257A1 (en) | 2020-09-17 |
Family
ID=58669543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/087,062 Active 2037-11-15 US10775118B1 (en) | 2016-04-25 | 2017-04-20 | Firearm |
Country Status (9)
Country | Link |
---|---|
US (1) | US10775118B1 (en) |
CA (1) | CA3020353C (en) |
CZ (1) | CZ306785B6 (en) |
HU (1) | HU231102B1 (en) |
MX (1) | MX2018011147A (en) |
PH (1) | PH12018501942A1 (en) |
SK (1) | SK288812B6 (en) |
WO (1) | WO2017186195A1 (en) |
ZA (1) | ZA201806313B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018001984B4 (en) * | 2018-03-12 | 2021-09-23 | Heckler & Koch Gmbh | Through-loading device of a self-loading firearm and self-loading firearm equipped with a through-loading device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE245516C (en) * | 1911-02-27 | |||
GB228043A (en) * | 1924-04-23 | 1925-01-29 | Rudolf Von Frommer | Improvements in or relating to breech-bolts of fire-arms |
GB384152A (en) * | 1932-03-17 | 1932-12-01 | Rudolf Von Frommer | Improvements in or relating to automatic fire arms with a movable barrel |
GB413071A (en) * | 1933-03-15 | 1934-07-12 | Ceskoslovenska Zbrojovka Akcio | Improvements in and relating to means for manually operating the breech mechanism of fire-arms |
BE427101A (en) * | 1937-04-08 | |||
US4052926A (en) * | 1974-11-19 | 1977-10-11 | Ithaca Gun Company, Inc. | Charging handle for a gas-operated shotgun |
DE19613987C2 (en) * | 1996-04-09 | 2000-07-27 | Heckler & Koch Gmbh | Loading lever arrangement |
US8261649B2 (en) * | 2007-02-09 | 2012-09-11 | Magpul Industries Corp. | Charging handle for automatic rife |
US8307747B2 (en) * | 2010-01-19 | 2012-11-13 | Magpul Industries Corp. | Self-engaging non-reciprocating charging handle |
US20150053072A1 (en) * | 2013-08-23 | 2015-02-26 | Benjamin Bunker | Enhanced Charging Handle |
-
2016
- 2016-04-25 CZ CZ2016-237A patent/CZ306785B6/en unknown
-
2017
- 2017-04-20 WO PCT/CZ2017/000027 patent/WO2017186195A1/en active Application Filing
- 2017-04-20 HU HU1800405A patent/HU231102B1/en unknown
- 2017-04-20 CA CA3020353A patent/CA3020353C/en active Active
- 2017-04-20 SK SK50057-2018A patent/SK288812B6/en unknown
- 2017-04-20 US US16/087,062 patent/US10775118B1/en active Active
- 2017-04-20 MX MX2018011147A patent/MX2018011147A/en unknown
-
2018
- 2018-09-11 PH PH12018501942A patent/PH12018501942A1/en unknown
- 2018-09-20 ZA ZA2018/06313A patent/ZA201806313B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US10775118B1 (en) | 2020-09-15 |
PH12018501942A1 (en) | 2019-06-17 |
ZA201806313B (en) | 2019-07-31 |
CZ2016237A3 (en) | 2017-07-07 |
WO2017186195A1 (en) | 2017-11-02 |
CZ306785B6 (en) | 2017-07-07 |
HUP1800405A2 (en) | 2019-03-28 |
SK500572018A3 (en) | 2018-12-03 |
CA3020353C (en) | 2022-04-12 |
CA3020353A1 (en) | 2017-11-02 |
SK288812B6 (en) | 2020-12-02 |
HU231102B1 (en) | 2020-08-28 |
MX2018011147A (en) | 2018-11-22 |
BR112018068541A2 (en) | 2019-01-29 |
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