A grenade launcher having a barrel (1) which is arranged slidably relative to a trigger mechanism base (5) between a front and a rear position. The barrel (1) being locked in the rear locked position by a latch (3). The barrel (1) is slidably mounted on guide rails (2). The guide rails (2) are arranged on opposite sides of the trigger mechanism base (5). The latch (3) is positioned on a side of the barrel (1) and is pushed by the force of a spring against one of the guide rails (2). The latch (3) in the locked position of the barrel (1) engages a recess (7) in the corresponding guide rail (2).
F41A 3/24 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks hand-operated the locking being effected by rotating the operating handle or lever transversely to the barrel axis the locking elements forming part of the operating handle or lever
F41A 9/47 - Loading arrangements, i.e. for bringing the ammunition into the firing position using forwardly-sliding barrels or barrel parts for loading
F41C 27/06 - Adaptations of smallarms for firing grenades, e.g. rifle grenades, or for firing riot-control ammunition; Barrel attachments therefor
A grenade launcher, comprising a barrel (10), a trigger mechanism base (3) and a breech (2) wherein the trigger mechanism base (3) is adapted to be mounted on a host rail interface (1). On the opposed sides (3) of the trigger mechanism base (3), guide rails (5, 8) are arranged for sliding mounting of the barrel (10). The host rail interface (1) is clamped between the breech (2) and the trigger mechanism base (3). The breech (2) is fitted with a cavity (11) that surrounds one of the guide raíls (5). The ínner wall of the cavity (11) is pressed to this guide rail (5) by a detent (4) that is insertable between this guide rail (5) and the opposed inner wall of the cavity (11) that is inclined in a wedge-like way. A pin (6) bears on this guide rail (5) from the inner side, the pin being mounted in a sliding way in a recess transversally in the breech (2) and fitted with a compression spring (7).
A firearm with a telescopic support (3) that is mounted in a carrier (11) in a sliding way wherein the carrier (11) is arranged on a receiver (1). In the receiver (1) a return spring assembly (4), terminated with a breech buffer (5) is arranged. The breech buffer (5) protrudes from the receiver (1) with its rear face. On the rear face of the buffer (5), a base (6) is arranged in which a control (8), fitted with a compression spring (9), is mounted in a sliding manner. Two latches (7) laterally protrude from the control (8) to engage into the respective locking recesses in the telescopic support (3).
An assembly of a receiver (1 ) and a forearm (2) wherein the forearm (2) is attached to the receiver (1) in a dismountable manner. The forearm (2) is fixed by means of a latch (3). The latch (3) consists of a rocker-arm lever and is mounted in the receiver (1 ) on a pin (5) wherein at one end, the latch (3) is fitted with a nose (9) adapted to engage into the corresponding recess (10) in the forearm (2). The latch (3) is biased towards the recess (10) by a spring (6). The latch (3) is equipped with a pair of side protrusions (11) that laterally project from the forearm (2).
An assembly of a receiver (1) with a barrel (4) wherein the barrel (4) is inserted into a barrel hole (7) in the receiver (1 ) and is attached in a replaceable manner by means of a clamping connection that comprises a longitudinal slot (2) that longitudinally divides the receiver (1) wall in the insertion location of the barrel (4). In the location of the longitudinal slot (2) at least two transversal screws (3) pass through the receiver (1). In the location of the longitudinal slot (2), a transversal hole (5) extends into the receiver (1) and a transversal pin (10) passes through the transversal hole (5) in such a way that the transversal pin (10) reaches into a corresponding transversal recess (9) in the barrel (4). Perpendicularly to the longitudinal axis of the transversal pin (10) a threaded hole (11) with a connecting screw (12) passes through the transversal pin (10). The connecting screw (12) further passes through a straight-through hole (6) in the receiver (1) and through a stock/frame (13) of the firearm to connect the receiver (1) to the stock/frame (13) of the firearm.
A firearm, comprising a frame (1) in which a breech block carrier (4) is arranged, as well as a barrel (2) behind the rear face (3) of which the breech block (5) is arranged in the frame (1). The barrel (2) is firmly connected to a barrel sleeve (6). The barrel sleeve (6) is slidingly mounted in a linear guide in the frame (1). The breech block (5) is mounted behind the rear face (3) of the barrel (2) slidingly in the direction of the barrel (2) axis. The breech block carrier (4) is slidingly mounted in a linear guide in the frame (1). On the top side of the breech block (5), a vertically movable locking block (9) is arranged, and the locking block (9) can be introduced into a recess (10) in the barrel sleeve (6). The frame (1) is provided with a front stop (12) of the barrel sleeve (6) and a rear stop (13) of the barrel sleeve (6). The barrel sleeve (6) is provided with a front stop (15) of the breech block (5), and a rear stop (16) of the breech block carrier (4). A barrel spring (14) is arranged between the frame (1) and the barrel sleeve (6).
F41A 3/46 - Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrrel or breech housing having sliding locking elements, e.g. balls, rollers mounted on the bolt
F41A 3/86 - Coil spring buffers mounted under the barrel
7.
SELF-LOADING PISTOL WITH A PRE-COCKED FIRING PIN WITH AN ASSEMBLY FOR SAFE DISASSEMBLING
A self-loading pistol with a pre-cocked firing pin and with an assembly for safe disassembling, comprising a trigger bar (7) with a peripherally at least partly closed frame part (7c) to surround a pistol magazine (39). The frame part (7c) having, with respect to the shooting direction, a vertical surface (7m) arranged on its rear side, and on the front side, a lug (7f) for catching a firing pin (3). The trigger bar (7) is arranged in the pistol frame on a cross pin (29) that crosses the vertical surface (7m). The trigger bar (7) is moveable by means of a trigger (15). In the pistol frame, over the trigger bar (7), a disassembling lever (11) is arranged that has a button (11d) and a pivot (11a) that carries a cam (18) for engagement with the trigger bar (7). The cross pin (29) passes through a guide cam (7e) arranged in the vertical surface (7m). The vertical surface (7m) has, at its side facing the magazine (39), a contact surface (7i) for the magazine (39). An arm (7k) protrudes from the frame part (7c) at its front side with respect to the shooting direction. A pulling thumb (7a) and at a distance from it, a support stop (7j) being arranged at the free end of the arm (7k). The cam (18) has a nose (18a) at one side and a protrusion (18b) at the opposite side. The nose (18a) reaches between the pulling thumb (7a) and the supporting stop (7j) of the trigger bar (7). The protrusion (18b) is bringable into a recess (1a) at the facing side of the slide (1).
The firearm comprises a firearm housing (1) connected to the barrel assembly (2), a firearm breech (3) mounted in the housing (1) and connected to a spring for forcing the breech (3) to its initial shooting position, a tensioning lever (11), a tensioning lever (11) carrier (4) that is connected to the tensioning lever (11) and arranged for common linear movement in the axial direction of the firearm with the tensioning lever (11) in and against the shooting direction. The tensioning lever (11) contains the first latch (6) and lever part (7) wherein the first latch (6) is arranged for controlled movement by means of manual control of the lever part (7) from the first position - shooting position, wherein the first latch (6) is engaged with the barrel assembly (2), fixing the tensioning lever (11) to the barrel assembly (2), to the second position, wherein this engagement is disconnected and the tensioning lever (11) can move in the said axial direction against the shooting direction. The carrier (4) comprises the second latch (5) arranged in such a way that when the first latch (6) is in the said first position, the second latch (5) is out of engagement with the breech (3), so the breech (3), during its movement against the shooting direction caused by the shot, is not connected to the carrier (4), and when the tensioning lever (11) is outside the shooting position and touches the breech (3) at the same time, the second latch (5) is in engagement with the breech (3) and the tensioning lever (11) is thus fixed to the breech (3). The carrier (4) is further arranged for controlled movement in the said axial direction by means of manual control of the lever part (7 ).
A breech catch mechanism for automatic and semi- automatic pistols includes a catch (502) of a breech comprising two longitudinal rails (400, 401) that are attached to pistol body or to an inserted container at one end in a rotary way and at the other end they are connected with a bridge (402). One of the rails (400, 401) is provided with an internal projection (405) protruding into a space between the rails (400, 401). The mechanism further includes the breech provided with a feeding bridge (250) and a cartridge feeder (500) positioned under the internal projection (405) and configured to push, after feeding of the last cartridge, from below against the internal projection (405), thus tilting the breech catch (502) from its basic position upward to an upper position in which the breech leans with its feeding bridge (250) against an outer surface (408) of the bridge (402) of the catch (502) of the breech to lock the breech in the rear position.
The trigger mechanism for automatic and semi-automatic pistols contains a trigger lever (53), a trigger (50) connected to the trigger lever (53) and a container (302) for guiding a rear part of a breech (304). The trigger lever (53) is connected to the trigger (50) in a rotary way and comprises two arms (54, 55) having a space between them through which a magazine of the pistol passes and being connected with a cross rail (56) to which a vertical plate (57) is connected and which is provided on its top side with a top tooth (59) for tensioning a firing pin (1) and with a projection (49) for releasing the firing pin (1) block (46). The trigger (50), the vertical plate (57) and the firing pin (1) lie on a vertical plane of symmetry of the pistol and the arms (54, 55) are located symmetrically with respect to this plane.
The firing-pin mechanism for automatic and semi- automatic pistols comprises a container (30) for housing and guiding of a straight-running firing pin (1) and a block (46) of the firing pin (1). The container (30) contains a through hole (20) for housing of the firing pin (1) and its sliding guiding in the direction of the axis of the hole (20) identical to the longitudinal axis of the firing pin (1) and is fitted with the block (46) of the firing pin (1) that is attached to the container (30) in a rotary way.
F41A 17/72 - Firing-pin safeties, i.e. means for preventing movement of slidably-mounted strikers trigger-operated, i.e. the movement of the trigger bringing a firing-pin safety into inoperative position during the firing
12.
A CONNECTING MECHANISM FOR CONNECTION OF THE FIREARM RECEIVER AND THE SHOULDER MOUNT
A connection mechanism for connection of a firearm receiver (1) and a shoulder mount (4), the fire arm receiver comprising a closing part (2), the closing part (2) containing a latch (3) arranged in a movable way between a locking position, in which in an assembled firearm the latch (3) engages with the receiver (1) and the closing part (2) is prevented from being removed from the receiver (1), and an unlocking position, in which the latch disengages from the receiver and the closing part (2) can be removed from the receiver (2). The closing part (2) further contains a lever (7) to control the movement of the latch (3) from the locking position to the unlocking position and/or from the unlocking position to the locking position.
A firearm with a tilting barrel (1) with the possibility of setting a change of the tilting direction of the barrel (1) containing a breech block (5) for securing the barrel, the breach block containing on a part of its perimeter a locking surface (11) for securing the firearm against its tilting in the direction opposite the locking surface (11). The locking surface (11) can be rotated around the longitudinal axis of the breech block (5) for setting of the change of the tilting direction of the barrel (1).
F41A 3/58 - Breakdown breech mechanisms, e.g. for shotguns
F41A 9/45 - Loading arrangements, i.e. for bringing the ammunition into the firing position the cartridge chamber or the barrel as a whole being tiltable between a loading and a firing position
F41A 35/06 - Adaptation of guns to both right and left hand use
14.
DOUBLE ACTION TRIGGER MECHANISM FOR SEMI-AUTOMATIC PISTOL
In the double action trigger mechanism of the semi-automatic pistol, the body of which comprises a frame (1) with a magazine channel (16), slide (28), trigger (12) pivotally mounted in the pistol body, and a draw bar (15) joined with the trigger (12) for the transfer of the trigger (12) motion when being pulled, the draw bar (15) is located along one of the magazine channel (16) sides and pivotally connected with the trigger (12) for the movement of the draw bar (15) in the direction towards the rear end of the pistol when the trigger (12) is pulled. The draw bar (15) is preferably adapted for engagement with the lever (5) of the hammer (3) when puling the trigger (12) in the course of cocking of the hammer (3) from its front position against the force of the main spring (40).
A magazine catch (2) for the magazine (3) of a small firearms allows the user to release the magazine (3) with - either right or left hand and comprises of a movable cylindrical parts (20) equipped with a pressing surface (21) at one end and with a spring-loaded button (27) with a locking - latch (272) protruding into the recess (33) of the magazine (3) at the other end while during the initiation of the magazine catch (2) by the pressing surface (21) the magazine catch (2) is moved against the force of the return spring (290) together with the spring-loaded button (27) out of the engagement of its locking latch (272) from the recess (33) of the magazine (3) and during the initiation of the magazine catch (2) with the springloaded button (27) the movement of the cylindrical part (20) is blocked. The spring-loaded button (27) is pivotably mounted on the cylindrical part (20) by means of a pin (231).
patents
