Cartridge magazine holder for a firearm with a sliding bolt
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- LIWA ARMS SLOVAKIA SRO
- Filing Date
- 2024-07-31
- Publication Date
- 2026-07-08
AI Technical Summary
Existing cartridge feeding mechanisms for firearms with sliding bolts often cause slight deformation of projectiles during loading, affecting shooting accuracy due to the rigid attachment of the magazine shaft to the bolt casing.
A cartridge magazine holder with a slidably and reversibly mounted block within a casing connected to the bolt casing via an elastic element, allowing for controlled movement and alignment of the cartridge magazine relative to the bolt, thereby minimizing projectile deformation.
The solution effectively reduces projectile deformation during loading, enhancing shooting accuracy by ensuring the cartridge is aligned optimally with the cartridge chamber.
Smart Images
Figure SK2024000006_06032025_PF_FP_ABST
Abstract
Description
[0001] Cartridge magazine holder for a firearm with a sliding bolt
[0002] The field of technology
[0003] The invention relates to a cartridge magazine holder for a firearm with a sliding bolt.
[0004] Prior art
[0005] The most common way of placing a cartridge feeding mechanism for firearms with a sliding bolt is to place it in one, firmly defined position - the magazine shaft is firmly attached to the bolt casing and the removable cartridge magazine. When the cartridge is ejected from the magazine by means of the bolt, the action of the spring in the magazine causes the cartridge to jump into the space of the bolt casing. During this jump and the subsequent movement of the cartridge into the cartridge chamber, a slight deformation of the projectile can occur, which can have a bad effect on the accuracy of shooting.
[0006] The aim of this invention is to substantially eliminate the disadvantages of the prior art.
[0007] The essence of the invention
[0008] The stated aim is achieved by a cartridge magazine holder for a firearm with a sliding bolt, which contains a shaft for a removable cartridge magazine, according to the present invention. The essence of the solution lies in the fact that the magazine holder contains a block with a shaft for the cartridge magazine, which is placed slidably and reversibly in the transverse direction relative to the sliding rotary bolt of the firearm. The magazine holder block is placed in a casing connectable to the bolt casing on at least one elastic element ensuring the reciprocating movement of the block, while the block is equipped on the side facing the bolt with at least one lead-in part for at least one lead-in part formed on the bolt.
[0009] The block is on the side facing the bolt, in the longitudinal direction of the shaft for the magazine preferably equipped with an ejector of case and a guide of cartridge into the cartridge chamber.
[0010] Preferably, the elastic element ensuring the reciprocating movement of the holder block is a compression spring.
[0011] The holder block and / or holder casing preferably contains a defining element of the movement of the block within the casing. The defining element of the movement of the holder block in the holder casing is formed by a pin located in the block and a corresponding longitudinal groove formed in the holder casing in the direction of the reciprocating movement of the block within the casing.
[0012] Overview of the figures in the drawings
[0013] The cartridge magazine holder according to the present invention is explained in more detail with the help of the drawings, in which
[0014] Fig. 1 shows a cross-sectional side view of a part of the firearm with a magazine holder according to the present invention with the bolt in the open, rearward position;
[0015] Fig. 2 shows a cross-sectional side view of a part of the firearm with a magazine holder according to the present invention with the bolt in the closed and locked, forward position;
[0016] Fig. 3 shows an overall side perspective view of a part of the firearm with a magazine holder according to the present invention with the bolt in the open, rearward position, with the bolt casing and the holder casing shown in section;
[0017] Fig. 4 shows a side view of a part of the firearm with a magazine holder according to the present invention, with the bolt casing shown in section, with the bolt partially closed, with visible interaction of the lead-in parts of the magazine holder block and the bolt;
[0018] Fig. 5 shows a side view of a part of the firearm with a magazine holder according to the present invention, with the bolt casing shown in section, with visible interaction of the magazine holder block and the bolt before closing the bolt;
[0019] Fig. 6 shows a side view of a part of the firearm with a magazine holder according to the present invention, with the bolt casing shown in section, with closed and locked lock, with visible interaction of the magazine holder block and the bolt;
[0020] Fig. 7 shows an overall side perspective view of the magazine holder according to the present invention, showing magazine holder casing in cross-section, with a cartridge magazine inserted in the magazine holder.
[0021] Examples of the embodiment of the invention
[0022] The invention will be further described on the example of an embodiment of a cartridge magazine holder for a firearm with a sliding bolt, with reference to Fig. 1 to 7.
[0023] The holder 1 of the magazine 2 of cartridges 18 contains casing 3 connectable to the bolt casing, usually with a screw connection. In the casing 3 of the holder 1 is slidably and reversibly placed block 4 of the holder 1. In the block 4, a shaft 5 is created for the magazine 2 of cartridges 18. The magazine 2 of cartridges 18 is a standardly used removable in-line cartridge magazine, from which the cartridges 18 are fed from the magazine 2 during shooting, typically by means of a spring mechanism located in the magazine 2 itself. The magazine 2 is secured in the shaft 5 by means of the release lever 6, in the usual way, as can be seen in Fig. 1 and 2.
[0024] The block 4 of the holder 1 is placed in the casing 3 on at least one elastic element 7 ensuring its reciprocating movement. In the shown example embodiment, the elastic element 7 is formed by compression springs located in the lower part of the casing 3 of the holder 1, under the extreme parts of the block 4. The movement of the block 4 in the casing 3 of the holder 1 is defined by the defining element 8. The defining element 8 is in the example shown formed by a pin 9 located in the block 4 and a corresponding longitudinal groove 10 formed in the casing 3 of the holder 1 in the direction of the reciprocating movement of the block 4 in the casing 3.
[0025] The defining element 8 preferably ensures that the elastic element does not push out the block 4 of the holder 1 into a position where it could prevent the movement of the bolt 20, and also that the block 4 does not fall out of the casing 3 on its own when handling the holder 1, which could make it difficult, for example, to mount and dismount the holder 1 for the firearm. There are various other embodiments of this defining element 8 also possible, as specifically described and shown by pin 9 and groove 10, e.g. by creating a pin 9 and groove 10 in another suitable place of the holder 1, as specifically shown in the pictures, by creating a fit on the block 4 and on the casing 3 of the holder 1, by creating stops of the block 4 on the respective edges of the casing 3, etc.
[0026] The block 4 of the holder 1 is on the side facing the bolt 20 equipped with at least one lead-in part 11, 12 for the bolt 20. Accordingly, on the bolt 20, at least one lead-in part 13, 14, 15 for the block 4 of the holder 1 is formed.
[0027] In the example shown in the figures, the block 4 contains two lead-in parts 11, 12 for the bolt 20, and the bolt 20 contains three lead-in parts 13, 14, 15 for the block 4. In the further description, the lead-in parts 11, 12 on the block 4 are listed as the first lead-in part 11, which is distant from the edge of the block 4 and the second lead-in part 12, which is located at the edge of the block 4. The lead-in parts 13, 14, 15 of the bolt 20 are then listed as the first lead-in part 13, which is located at the forward end of the bolt 20, the second lead-in part 14, which is distant from the forward end of the bolt 20 and the third lead-in part 15, which is placed before the transition to the outermost circumference of the body of the bolt 20, respectively before the transition to the full cross-section of the body of the bolt 20. The stated sequential numerical designation of the lead-in parts 11, 12, 13, 14, 15 is stated only for clarity in the detailed description of the invention, and in no way limits the number of possible lead-in parts for the functionality of this invention.
[0028] There are also embodiments possible with only one lead-in part on the block 4 of the holder 1 and on the bolt 20, as well as with a number, staggered, lead-in parts greater than the specifically described and shown number of the lead-in parts 11, 12, 13, 14, 15 on the block 4 and on the bolt 20.
[0029] The number of the lead-in parts is substantially dependent on the shape of the bolt 20, or the possibilities in designing the particular construction of the respective parts of the firearm. The condition is that there will be a sliding movement of the block 4 of the holder
[0030] 1 in the transverse direction to the sliding movement of the bolt 20, as will be apparent from the following description of the method of operation of the holder 1 of the magazine
[0031] 2 of cartridges 18 according to the present invention.
[0032] The block 4 of the holder 1 is on the side facing the bolt 20, in the longitudinal direction of the shaft 5 for the magazine, preferably equipped with an ejector 16 of case and a guide 17 of the cartridge 18 into the cartridge chamber 19.
[0033] Further, particular reference to Figures 4, 5 and 7, a method of operation of the holder 1 of the magazine 2 of cartridges 18 for a firearm with a sliding bolt 20, according to the present invention, will be described.
[0034] In the rearward position of the bolt 20, there is magazine 2, inserted and secured in the shaft 5 of the block 4 of the holder 1 of the magazine 2, pushed out by the elastic element 7, specifically in this example by compression springs, to its one end position, in which the tip of the cartridge 18 points directly into the cartridge chamber 19. This end position is defined by the defining element 8 of the position of the block 4 in the casing 3 of the holder 1, that is to say, in the particular example described, the pin 9 in the block 4 is at one end of the longitudinal groove 10 in the casing 3 of the holder 1. In said position, the cartridge 18 in the magazine 2 is highest in the path of the bolt 20.
[0035] By moving the bolt 20 towards the forward position, when the firearm is loaded, by means of the lever 21 of the bolt 20, the bolt 20 pushes the cartridge 18 out of the magazine 2 towards the cartridge chamber 19 in the barrel of the of the firearm. The guide 17 of the cartridge 18 serves for the final guidance of the cartridge 18 during loading. At the same time, the bolt 20 through its first lead-in part 13 pushes against the first lead-in part 11 of the block 4 of the holder 1, thus pushing the block 4 with the magazine 2 downwards, i.e. out of the path of the bolt 20. The stated situation is specifically visible in Fig. 4.
[0036] By further moving the bolt 20 by pushing the second lead-in part 14 of the bolt 20 against the second lead-in part 12 of the block 4, further movement of the block 4 with the magazine 2 downwards will occur, i.e. out of the path of the bolt 20. The stated situation is specifically shown in Fig. 5 after the transition of the second lead-in part 14 of the bolt 20 through the second lead-in part 12 of the block 4.
[0037] After the bolt 20 has been pushed to the forward end position, the block 4 is still pushed by the third lead-in part 15 of the bolt 20. The cartridge 18 is then pushed fully into the cartridge chamber 19, and the bolt 20 is locked by rotation. In locking the bolt 20, the outer circumference of the body of the bolt 20 fully pushes the block 4 with the magazine 2 into its second end position.
[0038] When the firearm is discharged, by unlocking the bolt 20 and pulling it to the rearward position, the block 4 with the magazine 2 then slides by its lead-in parts 11, 12 over the lead-in parts 13, 14, 15 of the bolt 20, whereby the block 4 is pushed out by the elastic element 7, i.e. in this example namely by the springs, towards the bolt casing 20, until it reaches the initial end position described above. When the firearm is discharged, by pulling the bolt 20 to the rearward position, the case of the cartridge 18 is then intercepted by the ejector on the bolt 20 and subsequently is ejected by the ejector 16 on block 4 as the bolt 20 is moved to the rearward position.
[0039] The holder 1 of the magazine 2 of cartridges 18 for a firearm with a sliding bolt 20 according to the present invention allows the cartridge 18 placed in the magazine 2 to be set in the most preferable position towards the cartridge chamber 19, thereby avoiding possible damage to the projectile during loading of the firearm.
[0040] Industrial applicability
[0041] The holder 1 of the magazine 2 of cartridges 18 for a firearm with a sliding bolt 20 according to the present invention is particularly usable for sporting small-caliber firearms.
Claims
CLAIMS1. The holder (1) of the magazine (2) of cartridges (18) for a firearm with a sliding bolt (20), which contains a shaft (5) for a removable magazine (2) of cartridges (18), characterized in that it contains a block (4) with a shaft (5) for the magazine (2) of cartridges (18), which is placed slidably and reversibly in the transverse direction relative to the sliding rotary bolt (20) of the firearm, wherein the block (4) of the holder (1) of the magazine (2) je placed in the casing (3) connectable to the bolt casing on at least one elastic element (7) ensuring the reciprocating movement of the block (4), wherein the block (4) is on the side facing the bolt (20) equipped with at least one lead-in part (11, 12) for at least one lead-in part (13, 14, 15) formed on the bolt (20).
2. The holder (1) of the magazine (2) according to claim 1, characterized in that the block (4) is on the side facing the bolt (20), in the longitudinal direction of the shaft (5) for the magazine (2) equipped with an ejector (16) of case and a guide (17) of the cartridge (18) into the cartridge chamber (19).
3. The holder (1) of the magazine (2) according to claim 1 or 2, characterized in that the elastic element (7) is a compression spring.
4. The holder (1) of the magazine (2) according to claim 1, 2 or 3, characterized in that the block (4) of the holder (1) and / or casing (3) of the holder (1) contains a defining element (8) of the movement of the block (4) in the casing (3).
5. The holder (1) of the magazine (2) according to claim 4, characterized in that a defining element (8) is formed by a pin (9) located in the block (4) and a corresponding longitudinal groove (10) formed in the casing (3) of the holder (1) in the direction of the reciprocating movement of the block (4) in the casing (3).