"BI-DIRECTIONAL WIND-UP AIR GUN SYSTEM"

It is the air gun system operating with the principle of compressing nitrogen gas, which is previously stored with a certain pressure, bi-directionally through the means of opening- closing motion by using the upper housing of the gun like a lever arm.

There are various gun shooting systems being used currently. First of them is the one that is named as the one with nitrogen gas. In these types, the nitrogen gas acts like a spring. The motion to set the system is bi-directional and the setting arm is movable to the sides or downwards. There is a single spring structure almost in all of the spring mechanism. It has the structure to move by means of the setting arm from the top, sides or bottom. There is multi- setting structure also in the pneumatic setting mechanism. They operate according to the principle to store the air within the atmosphere into the gun. There is mechanism with inter- piston in our system that is the subject of the TR 2007 04777 and TR 2012/00114 numbered Utility Model and Patent registered in the name of our company. They have the capability to make bi-directional air compress in every on-off motion. This on-off motion can be performed for a couple of times. There are gun systems where the tubes called as high pressured PCP and previously filled with high pressure are installed and used. Finally, the gun systems that have the capability to make shooting with the previously C02 (carbon dioxide) filled tubes can be counted here too. In our invention, it is possible to use the upper housing like a lever arm due to the challenge of the bottom and upper housings of the piston structure. The nitrogen gas that is stored within the piston is compressed both with the opening motion of the upper housing and the closing motion onto the bottom housing. The nitrogen gas is enabled to act like a spring. The bi-directional motion resulting from the on and off motions of the upper part of the barrel allows the nitrogen gas to be compressed with two times more power.

In addition to the stipulated inventions of our company, there is unidirectional compressing logic in the gun shooting systems currently being used. Since the ones that are referred as with nitrogen gas has unidirectional structure, the obtained compression power is equal to the compression to be achieved with a human power at once. In other words, the unidirectional motion provides only for filling. To have a more powerful shooting capability can be only possible with more human power and a larger sized gun. In mechanisms with spring, the spring gets deformed within the time due to long-term use. And this considerably reduces the shooting power of the gun. Since the springy form reveals a small amount of backwards motion at the moment of piston strike, this causes the shooting power to be low. In the pneumatic setting mechanism, revealing the free air with very high pressure requires more pumping. And this causes the shooter to get tired. Since their sealing sensitivity is high, this entails the parts forming the gun to have high sealing specification. And this negatively affects the production processes and the costs. There are disadvantages caused by high sealing sensitivity in the mechanisms where the tubes referred as high pressure PCP and filled previously with high pressure are installed and used. These mechanisms must also be passed from pressured containers tests too. Storing the ambient air with very high pressure can only be possible with high costing compressors. Furthermore, it entails the shooter to carry auxiliary tubes with him. The pressure of the guns that have the capability to make shooting with the tubes that have been previously filled with C02 (carbon dioxide) is lower than the pneumatic mechanisms referred as PCP. And this means low shooting power. Since carbon dioxide is affected much from the alterations in the air temperature, they cannot provide homogenous shooting continuity. However in our invention, since it is possible to make filling in both directions, the human power is used two times more and so higher shooting power is obtained. In other words, the same shooting capability is obtained with half human power. The production of compact guns with a smaller structure; can be possible when the shooting power of the mechanisms with currently used nitrogen support is considered as sufficient. The motion of the upper housing during on-off is parallel to the axis of the piston. This minimizes the friction and contraction. And this prevents the shooter to expend more effort. Again with this means, the parts have longer life and even it enables the use without lubricant. The combination of the housing that can be opened from top, the upper arm system and nitrogen-piston mechanism enables the production of a smaller structured gun.

In order to explain the invention in a better manner;

In Figure 1 ; the close position detailed image of our invention,

In Figure 2; the open position detailed image of our invention,

In Figure 3; the open position trigger detailed image of our invention,

In Figure 4; the semi-open position detailed image of our invention,

In Figure 5; the closure position detailed image of our invention,

In Figure 6; the close position detailed image of our invention,

In Figure 7; the close position image of our invention,

In Figure 8; the close position detailed image of our invention,

In Figure 9; the rifle implementation detailed image of our invention,

In Figure 10; the rifle implementation general image of our invention has been provided and the used part numbers and their meanings are as following; 1) Upper housing

2) Bottom housing

3) Front ball joint pin

4) Opening motion direction

5) Rear joint pin

6) Piston housing

7) Lever pin

8) Piston lever

9) Nitrogen zone

10) Upper filler housing

11) Filler gasket

12) Filler spring

13) Filler opening

14) Filler housing O-ring

15) Check valve screw

16) Movable piston pipe

17) Movable piston

18) Movable piston lock housing

19) Gasket wedge

20) Piston rug

21) Draining dog

22) Wedge O-ring

23) Shoot air cell

24) Air intake - discharge channel 25) Trigger lock

26) Trigger lock spring

27) Trigger

28) Trigger spring

29) Piston rising direction

30) Pellet

31) Barrel

32) Trigger pulling direction

33) Unlocking direction

34) Movable piston operation direction 35) Pellet moving direction

36) Piston impact surface

37) Rod bearing

38) Piston segment

39) Movable seal bearings

40) Nitrogen cell wall

41) Lock axis pin

42) Trigger axis pin

43) Butt

44) Long barrel

45) Gun frame

46) Rifle

47) Piston dragging pipe draining dogs

The upper housing (1) of the gun frame (45) is manually moved in the axis of front hinge pin (3) circularly at the opening move direction (4). The upper housing (1) of the gun frame (45) is manually moved in the axis of the front ball joint pin (3) circularly in the opening motion direction (4). The length of the piston housing (6) in the image extends as the piston lever (8) connected to the upper housing (1) with the lever pin (7) reveals from the piston housing (6) as parallel to this motion. The end of the angular motion of the upper housing (1) is determined by the length of the piston lever (8) in open position. The upper housing (1) is turned until the last point at the angle allowed by the length of the piston lever (8). During this, . the bottom housing (2) is in fixed position. During the angular motion of the upper housing (1), the piston housing (6) is connected to the bottom housing (2) as to move angular free at the piston rising direction (29) through the axis of the rear joint pin (5). The rod bearing (37) hosts the piston lever (8). The tip of the draining dogs (21) of the piston lever (8) that is connected to the upper housing (1) with the lever pin (7) has the form to catch the tip of the piston dragging pipe draining dogs (47) of the movable piston pipe (16). Movable piston pipe (16); movable piston (17), gasket wedge (19), piston rug (20) and wedge O-ring (22) have an integrated structure. During the opening, the draining dogs (21) and the piston dragging pipe draining dogs (47) catch each other as the upper housing (1) drags the piston lever (8) and at the same time, the piston lever (8) drags the movable piston pipe (16) too. The integrated movable piston (17) and onboard movable piston lock housing (18), gasket wedge (19), piston rug (20) and wedge O-ring (22) are dragged to the movable piston pipe (16). During the motions of the movable piston (17) and piston lever (8), the movable seal bearings (39) provide the sealing and the support of the nitrogen cell wall (40). During the opening motion of the upper housing (1) and the lengthwise extension of the piston lever (8), the piston housing (6) moves in the piston rising direction (29). With the opening of the upper housing (1) and the motion of the movable piston (7) in the dragging direction, it is seen that the nitrogen zone (9) gets narrower. While the pressure of the nitrogen gas found in pressured state in the nitrogen zone (9) increases due to this contraction, the energy is stored by this means. During the opening of upper housing (1), the air of the exterior media enters into the shoot air cell (23) through the air intake - discharge channel (24).

This opening through the angle allowed by the upper housing (1) and piston lever (8) to each other and at the same time the air entrance to the shoot air cell (23) from the air intake- discharge channel (24) continue. Just before the full open position of the upper housing (1), the trigger lock (25) is inserted in the movable piston lock housing (18) of the movable piston (17) coming on the trigger lock (25). So the open-front trigger (27) enters into the trigger lock (25) as the trigger spring (28) pushes and the movable piston (17) and the related system parts are locked. With this locking, the load of the user in the opening motion direction (4) is removed. In this position, a pellet (30) is placed within the barrel (31). While the movable piston (17), which is in locked position as shown in the Figures 3, 4 and 5, and the system parts connected to this are in fixed position, the setting motion, in other words the motion in the opposite direction of the opening motion direction (4) is started. The piston lever (8) that is connected to the upper housing (1) with a lever pin (7) and the upper filler housing (10) connected to this move into the filler gasket (11), filler spring (12), filler opening (13), filler housing O-ring (14) and check valve screw (15); piston housing (6) and movable piston (17). The motions of these parts into the piston housing (6) and the movable piston (17) compresses the nitrogen gas, which has been previously compressed in the nitrogen zone (9), at once. The motion of the upper housing (1) that is in the opposite direction of this opening motion direction (4) continues until it contacts in the horizontal axis with the bottom housing (2). As the shooter pulls the trigger (27) in the trigger pulling direction (32), the trigger (27) that moves in the axis of the trigger axis pin (42) slides under the trigger (25). The trigger lock (25) that waits with stress under the repulsive force of the movable piston (17) moves in the axis of the lock axis pin (41) after the trigger (27) is pulled underneath in the unlocking direction (33) and releases the locked movable piston (17). The movable piston (17) and the parts that are connected to it start to move at a great pace in the movable piston operation direction (34) as the nitrogen gas, which is very compressed in the nitrogen zone (9) located in the back of the movable piston (17), pushes. Because the pellet (30) within the barrel (31) blocks the air intake-discharge channel (24), the movable piston (17) starts to compress the air at the atmosphere pressure that cannot find a place to escape in the shoot air cell (23). Since the pressure of the compressed air continuously increases, it looks for a hole to escape and directs inwards to the barrel (31) from the single exit point air intake channel (24). The air with a continuously increasing pressure tries to push the pellet (30) within the barrel (31) in order to open a path for itself with the continuously increasing pressure of the movable piston (17). The diameter ratio of the air intake-discharge channel (24) to the movable piston (17), the motion length and speed of the movable piston (17), the weight and diameter of the pellet (30) and the length of the barrel (31) determine the exit velocity of the pellet (30) from the barrel (31). The pushing continuity of the movable piston (17) ends as it crashes to the piston impact surface (36). The filler housing O.-ring (14) provides the sealing between the upper filler housing (10) and the piston lever (8). The wedge O-ring (22) provides the sealing between the gasket wedge (19) and the movable piston (17). The piston rug (20) provides the sealing of the movable piston (17) during the compression of the air in the shoot air cell (23). The rifle (46) can be obtained through coupling the butt (43) and long barrel (44) to the gun frame (45).

Our invention can be used in gun, air rifle and all systems that require sudden pressure.