CN203116597U - Air gun - Google Patents

Abstract

The utility model relates to an air gun, which comprises a gun body, an inflator, an air storage tank, a chamber and a trigger unit, wherein the inflator is arranged on the gun body; the air storage tank is communicated with the inflator and receives external air input by the inflator; compressed air is accumulated in the air storage tank; the air storage tank is provided with an air supply valve; the chamber is used for placing an object to be shot and is communicated between the air supply valve and a gun tube of the gun body; the trigger unit is interlinked with the air supply valve; and the trigger unit is linked with the air supply valve by means of triggering to release the compressed air, so that the object to be shot in the chamber is shot to the exterior from the gun tube under the driving of the compressed air. The air gun can be repeatedly used and has entertainment, teaching and environmental protection effects.

Description

Air cannon

Technical field

But the utility model is the air cannon that a kind of relevant FYA, training response and teaching are used, and particularly relates to a kind of employing inflator and supplies with compressed air with the toy air cannon as shooting power.

Background technology

At present, the shooting power of general peashooter comes from elastic body or air compressing mechanism mostly, utilize elastic force or air compress mode, come the thing to be pulled the trigger of the solid of launching toy gun, and reach the effect of amusement, common solid thing to be pulled the trigger comprises elasticity or stiff body.

Existing commercially available toy air cannon is to adopt air compression steel cylinder to launch thing to be pulled the trigger mostly; Though the use of air compression steel cylinder is quite convenient, have access times, the pressure decay is bought more problems such as expense with steel cylinder, and air compression steel cylinder can't allow the consumer directly reuse, and the environmental issue when having caused discarded steel cylinder to reclaim.

In addition, the air of tradition compression steel cylinder peashooter is for recreation designs, and shortcoming shows the teaching efficiency of air contraction principle.

Summary of the invention

The main purpose of the utility model is to provide a kind of inflator that adopts to supply with compressed air with the air cannon as shooting power, to overcome aforementioned prior art, the access times of the air compression steel cylinder of conventional air rifle, the pressure decay is bought more problems such as expense with steel cylinder, air compression steel cylinder can't allow the consumer directly reuse and the environmental issue that causes, and the air of tradition compression steel cylinder peashooter shortcoming shows the problems such as teaching efficiency of air contraction principle, this air cannon is reusable, and have amusement concurrently, teaching, environment protecting, the usefulness that plays in order to do sharp user's amusement or for the child.

For reaching above-mentioned purpose, the air cannon of the utility model is to comprise in this air cannon: a rifle body; One inflator is arranged at this rifle body;

One air reservoir is communicated with this inflator, and accepts this inflator input outside air, and accumulates compressed air in this air reservoir, and this air reservoir is provided with one in order to discharge the steam supply valve of compressed air;

One in order to insert the thorax chamber of waiting to pull the trigger thing, is communicated between the gun barrel of the steam supply valve of described air reservoir and rifle body; And

One trigger unit, be located at the position of one of contiguous this rifle body handle, the mutual interlock of the steam supply valve of described trigger unit and air reservoir, this steam supply valve of interlock discharges compressed air to this thorax chamber by accepting to pull in this trigger unit, is emitted to the external world because of air driven by compression via this gun barrel in order to do making indoor the waiting of this thorax pull the trigger thing.

By above-mentioned composed component, can be earlier with free-hand operation inflator during use, and make inflator import outside air to air reservoir, make air reservoir inside accumulate compressed air, when the thorax of desire percussion air cannon indoor wait to pull the trigger thing the time, but the cocking unit, and make the steam supply valve of trigger unit interlock air reservoir, to open this steam supply valve the thorax chamber interior is discharged compressed air, cause the indoor thing to be pulled the trigger of thorax to accept compressed air-driven, and be emitted to the external world via gun barrel.

Accordingly, the utility model adopts inflator to supply with compressed air with as shooting power, repeat effect as uses of shooting power and have the inflator of utilization acquisition outside air, do not need additionally to buy more air compression steel cylinder, and the effect that has amusement, teaching, environmental protection concurrently, supplies the child to play.

According to above-mentioned primary structure feature, this inflator is located at this gun barrel below, and this air reservoir is located at rifle body rear away from the position of this gun barrel, and the steam supply valve of air reservoir is to should gun barrel.

According to above-mentioned primary structure feature, this rifle body top be provided with one be communicated with this thorax chamber wait to pull the trigger the thing posting port, this thing to be pulled the trigger is round, tapered or the strip solid.

According to above-mentioned primary structure feature, this trigger unit comprises a trigger and the swing component of a hub setting between one of this trigger and this steam supply valve air feed valve rod, and this trigger is accepted to pull and ordered about this swing component and touch this air feed valve rod, to discharge compressed air.

According to above-mentioned primary structure feature, further comprise the aqua storage tank of being located on this rifle body, and aqua storage tank has a feed water valve that is communicated to this thorax chamber, this feed water valve can discharge the water of this aqua storage tank to this thorax chamber interior, this is waited to pull the trigger thing and is released into the water of this thorax chamber interior for this aqua storage tank, this aqua storage tank highly be to be higher than height of this feed water valve.

According to above-mentioned primary structure feature, this trigger unit is plural trigger, but discharge the first trigger unit of compressed air and this feed water valve of an interlock this thorax chamber interior is discharged the second trigger unit of water but comprise this steam supply valve of an interlock, described first and second trigger unit is arranged side by side on the rifle body.

According to above-mentioned primary structure feature, this trigger unit comprises a trigger and the hub setting swing component between a water supply valve rod of an air feed valve rod of this trigger, this steam supply valve and this feed water valve, this trigger orders about this swing component and touches described air feed valve rod and water supply valve rod by accepting to pull, and order about this steam supply valve this thorax chamber is discharged compressed air, and order about this feed water valve to this thorax chamber interior release water.

According to above-mentioned primary structure feature, described air feed valve rod and water supply valve rod are combined into one.

According to above-mentioned primary structure feature, this steam supply valve includes the air-supplying valve that an air feed valve opening and that is communicated with described air reservoir and thorax chamber can open and close this air feed valve opening, and described air-supplying valve is connected with the air feed valve rod, and this air-supplying valve can be accepted this air feed valve rod and drive to reach the function that opens and closes this air feed valve opening.

According to above-mentioned primary structure feature, this rifle body further comprises discharge jet and that the aqua storage tank of being located on this rifle body, is located at this gun barrel side and is communicated with this aqua storage tank and is communicated in manual water valve between described aqua storage tank and the discharge jet, this inflator is communicated with this aqua storage tank via a check water valve, this aqua storage tank is accepted this inflator input outside air and is accumulated pressure, and this manual water valve is accepted manual switchover and opened and closed the water in this aqua storage tank and be emitted to the external world via this discharge jet.

According to above-mentioned primary structure feature, one of this gun barrel front end muzzle outer wall has one and is nested with anchor ring, and for the taper cover that the cover system is made by flexible material, this steam supply valve is emitted to the external world via the compressed air that described thorax chamber and gun barrel disengage to drive this taper cover.

According to above-mentioned primary structure feature, this air reservoir is provided with a circumscribed electric air pumping, imports outside air to air reservoir by this electric air pumping.

With respect to prior art, the utlity model has following advantage:

1. the design by inflator can utilize manual mode to produce shooting power, has and repeats to capture outside air as the effect of shooting power use.

2. can launch the thing to be pulled the trigger of solid, also can utilize the feed water valve of aqua storage tank that the to be pulled the trigger thing of water with emission liquid is provided.

3. the swing component of this trigger unit designs by lever principle, and is very laborsaving during cocking.

4. this inflator can be whenever and wherever possible with free-hand operation, and is easy to use, also can external air pumping for air feed shooting continuously, reach by this manually and electronic shared dual aerification function.

5. the mode that thing to be pulled the trigger is inserted is accepted in this thorax chamber, and the mode that can adopt thing single to be pulled the trigger to insert also can adopt the cartridge clip structure that plural number is waited to pull the trigger the mode that thing is inserted one by one.

6. the steam supply valve of this air reservoir is towards gun barrel, and the compressed air that order disengages via steam supply valve directly and concentrate to blow and wait to pull the trigger thing and be emitted to the external world via gun barrel.

7. do not need additionally to buy more air compression steel cylinder, convenient in uses, and overcome that access times, pressure are decayed, steel cylinder is bought more problems such as expense and environmental protection.

8. can understand therebetween effect and principle when using, have the effect that amusement, teaching, environmental protection, confession child play concurrently.

Description of drawings

Fig. 1 is the stereogram of the utility model preferred embodiment.

Fig. 2 is the local three-dimensional exploded view that amplifies of one of Fig. 1.

Fig. 3 is another local three-dimensional exploded view that amplifies of Fig. 1.

Fig. 4 is the vertical view of Fig. 1.

Fig. 5 is the A-A sectional drawing of Fig. 4.

Fig. 6 is the B-B sectional drawing of Fig. 4.

Fig. 7 is that cut-away view is amplified in the part of Fig. 5.

Fig. 8 is that cut-away view is amplified in the part of Fig. 6.

Fig. 9 is the use state cut-away view of Fig. 7.

Figure 10 is the use state cut-away view of Fig. 8.

Figure 11 is the utility model one additional cut-away view of implementing kenel.

Figure 12 is another additional cut-away view of implementing kenel of the utility model.

Figure 13 is the cut-away view of the another additional enforcement kenel of the utility model.

The main element symbol description

1------------rifle body

The 11----------gun barrel

The 111---------muzzle

112---------is nested with anchor ring

The 12-----------handle

The 13-----------discharge jet

The 2------------inflator

The pumping of 20-----------electric air

The 21-----------piston

The 22-----------pull bar

23-----------holds portion

The 24-----------steam vent

The 3------------air reservoir

The 31-----------gas receiver

The 32-----------steam supply valve

The 320---------valve chamber

321---------air feed valve rod

The 322---------passage

323---------air feed valve opening

The 324---------air-supplying valve

The 325---------inlet valve hole

326---------check valve plug

4------------thorax chamber

The 41-----------posting port

5,5a-------trigger unit

The 51-----------trigger

The 52-----------swing component

6,6a, 6b----wireway

7,7a-------aqua storage tank

71,71a-----aqueduct

The 8------------feed water valve

81-----------water supply valve port

82-----------water supply valve rod

The 83-----------manual water valve

84-----------check water valve

9------------thing to be pulled the trigger

91-----------taper cover

The specific embodiment

See also Fig. 1, disclose the stereogram of the utility model preferred embodiment, Fig. 2 discloses the local three-dimensional exploded view that amplifies of one of Fig. 1, Fig. 3 discloses another local three-dimensional exploded view that amplifies of Fig. 1, Fig. 4 discloses the vertical view of Fig. 1, Fig. 5 discloses the A-A sectional drawing of Fig. 4, Fig. 6 discloses the B-B sectional drawing of Fig. 4, Fig. 7 discloses the part of Fig. 5 and amplifies cut-away view, Fig. 8 discloses the part of Fig. 6 and amplifies cut-away view, Fig. 9 discloses the use state cut-away view of Fig. 7, Figure 10 discloses the use state cut-away view of Fig. 8, Figure 11 discloses the utility model one additional cut-away view of implementing kenel, and 12 is another additional cut-away view of implementing kenel of the utility model, and Figure 13 is the cut-away view of the another additional enforcement kenel of the utility model.

Cooperate Fig. 1 to Figure 10 that the air cannon structure of the utility model is described, comprise a rifle body 1, an inflator 2, an air reservoir 3, a thorax chamber 4 and a trigger unit 5; Wherein, this inflator 2 is arranged on this rifle body 1, and this inflator 2 must be commercially available conventional manual formula inflator, these inflator 2 inside are provided with a piston that can move back and forth 21, and be connected with one on the piston 21 and extend to the outer pull bar 22 of inflator 2, can drive piston 21 via pull bar 22 during use and move back and forth in inflator 2 inside, enter in the inflator 2 with the acquisition outside air.

The end that this pull bar 22 is revealed in inflator 2 outsides is provided with one and is beneficial to the portion of holding 23 that staff grips, and an end of corresponding piston 21 is provided with a steam vent 24 on the inflator 2.

This air reservoir 3 is communicated with the steam vent 24 of inflators 2, and air reservoir 3 can accept the steam vent 24 input outside airs of inflator 2, and accumulates compressed air in air reservoir 3, and this air reservoir 3 is provided with a steam supply valve 32 in order to discharge compressed air.

To shown in Figure 10, this thorax chamber 4 is communicated between the steam supply valve 32 and gun barrel 11 of aforementioned air reservoir 3, and thorax chamber 4 is to wait to pull the trigger thing 9 in order to insert one as Fig. 4.The position of the handle 12 of contiguous rifle body 1 is located in this trigger unit 5, the steam supply valve 32 mutual interlocks of described trigger unit 5 and air reservoir 3, this trigger unit 5 is able to 32 pairs of thorax chambers of interlock steam supply valve 4 and discharges compressed air after the user pulls, cause waiting to pull the trigger thing 9 air driven by compression in the thorax chamber 4, and then by gun barrel 11 emissions.

During enforcement, this inflator 2 is located at gun barrel 11 belows, and this air reservoir 3 is located at a gas receiver 31 inside, and gas receiver 31 be located at rifle body 1 rear away from and with respect to the position of gun barrel 11, the steam supply valve 32 of this air reservoir 3 is corresponding to gun barrel 11.

In addition, these steam supply valve 32 inside have a valve chamber 320, and steam supply valve 32 is pivoted with an air feed valve rod 321 towards an end elasticity of thorax chamber 4 directions, and is provided with the passage 322 that plural number is communicated with valve chamber 320 and air reservoir 3 in steam supply valve 32 towards an end of gas receiver 31 directions.

This steam supply valve 32 includes the air-supplying valve 324 that an air feed valve opening 323 and that is communicated with described air reservoir 3, valve chamber 320 and thorax chamber 4 has the air feed of opening and closing valve opening 323 functions.

Described air feed valve opening 323 can be plural groups with air-supplying valve 324, and described air feed valve opening 323 is located at air feed valve rod 321 both sides with air-supplying valve 324, described air-supplying valve 324 is connected with air feed valve rod 321, this air-supplying valve 324 is subjected to 321 drives of air feed valve rod and opens and closes air feed valve opening 323, makes air reservoir 3 compressed airs enter thorax chamber 4 via passage 322, valve chamber 320, air feed valve opening 323.

These steam supply valve 32 bottoms are provided with an inlet valve hole 325, be connected via a wireway 6 between the steam vent 24 of this inlet valve hole 325 and inflator 2, make inflator 2 interior air enter air reservoir 3 via steam vent 24, wireway 6, inlet valve hole 325, valve chamber 320 with passage 322, and inlet valve hole 325 is provided with the reverse check valve plugs 326 that enter wireway 6 of air in the valve chamber 320 capable of blocking.

This rifle body 1 top be provided with one be communicated with thorax chamber 4 wait to pull the trigger thing 9 posting ports 41, this is waited to pull the trigger thing 9 and can be round, tapered or the strip solid.

This trigger unit 5 comprises a trigger 51 and the swing component 52 of a hub setting between trigger 51 and air feed valve rod 321, this trigger 51 is pointed by the user to pull, ordered about swing component 52 and touched air feed valve rod 321, make air-supplying valve 324 accept air feed valve rod 321 and drive and the air feed valve opening 323 of unlatching steam supply valve 32.

Get by above-mentioned composition member and to implement the utility model according to this, can be earlier with free-hand operation inflator 2 during use, make inflator 2 via steam vent 24, wireway 6, inlet valve hole 325, valve chamber 320 and 322 pairs of air reservoirs of passage, 3 input outside airs, and by the reverse wireway 6 that enters of air in the check valve plug 326 blocking-up valve chambers 320, make air reservoir 3 inside accumulate compressed air.

Again, the user can will be round via posting port 41, solid tapered or strip is waited to pull the trigger thing 9 and is put in the thorax chamber 4, when in the thorax chamber 4 of desire percussion air cannon wait to pull the trigger thing 9 time, but the trigger 51 of cocking unit 5, ordering about trigger 51 interlock swing components 52 swings, move toward air reservoir 3 directions in order to do making swing component 52 touch air feed valve rod 321, air-supplying valve 324 is accepted 321 drives of air feed valve rod and the air feed valve opening 323 of unlatching steam supply valve 32 simultaneously, make air reservoir 3 compressed airs via passage 322, valve chamber 320, air feed valve opening 323 discharges into thorax chamber 4, wait that pulling the trigger thing 9 accepts compressed air-driven in order to do making by this in the thorax chamber 4, and be emitted to the external world via gun barrel 11.

See also shown in Figure 11, the utility model one additional cut-away view of implementing kenel, illustrate that the utility model comprises the aqua storage tank of being located on the rifle body 17, and aqua storage tank 7 has a feed water valve 8 that is communicated to thorax chamber 4, this feed water valve 8 can be to the thorax chamber 4 inner water that discharge aqua storage tank 7, and this is waited to pull the trigger thing and can be the water that aqua storage tank 7 is released into 4 inside, thorax chamber in this enforcement.

This feed water valve 8 is located on the rifle body 1 in 4 outsides, thorax chamber, and feed water valve 8 has a water supply valve port 81 that is communicated with thorax chamber 4, utilizes an aqueduct 71 to be connected between described feed water valve 8 and the aqua storage tank 7.

This aqua storage tank 7 highly be to be higher than height of feed water valve 8, and make, and make the water in the aqua storage tank 7 flow into feed water valve 8 naturally via aqueduct 71.

This trigger unit 5 can further comprise a trigger 51, the swing component 52 of a hub setting between trigger 51, steam supply valve 32 set air feed valve rods 321 and feed water valve 8 set water supply valve rods 82 in this enforcement, and the water supply valve port 81 that should water supply valve rod 81 can open and close feed water valve 8.

In addition, described air feed valve rod 321 also can be combined into one with water supply valve rod 82, when the accepting the user and pull of trigger 51, swing component 52 is able to touch synchronously described air feed valve rod 321 and water supply valve rod 82, in order to do 81 pairs of thorax chambers of the water supply valve port that makes feed water valve 8,4 inner release water, and make 321 pairs of thorax chambers of steam supply valve, the 4 inner compressed air that discharge; So, the compressed air in this thorax chamber 4 can drive water and be emitted to the external world via gun barrel 11, can select to launch solid or water etc. in order to do the air cannon that makes this creation and wait to pull the trigger thing 9 for two kinds, and it is to be equal to above-described embodiment that all the other members of present embodiment are formed with embodiment.

See also shown in Figure 12, another additional cut-away view of implementing kenel of the utility model, illustrate that this trigger unit 5 also can be plural number, but but comprise 82 pairs of thorax chambers of water supply valve rod, the 4 inner second trigger unit 5a that discharge water that an interlock steam supply valve 32 discharges the first trigger unit 5 and an interlock feed water valve 8 of compressed air, the member of this second trigger unit 5a and the first trigger unit 5 is formed and can be equated fully, and described first and second trigger unit 5,5a can be arranged side by side on rifle body 1.

Accordingly, the utility model adopts inflator 2 to supply with compressed air with as shooting power, repeat as the effect of shooting the power use and have the inflator of utilization 2 acquisition outside airs, do not need additionally to buy more air compression steel cylinder, convenient in the use, and overcome the decay of access times, pressure, steel cylinder is bought more problems such as expense and environmental protection, can understand therebetween effect and principle during use, has the effect that amusement, teaching, environmental protection, confession child play concurrently.

What deserves to be mentioned is, this inflator 2 can be whenever and wherever possible with free-hand operation, easy to use, also can external air pumping and air feed shooting continuously, reach manual and electronic shared dual aerification function, and the steam supply valve 32 of air reservoir 3 is towards gun barrel 11, and makes the compressed air that disengages via steam supply valve 32 directly and concentrate to blow and wait to pull the trigger thing 9 and be emitted to the external world via gun barrel 11.

What the utility model can be launched solid waits to pull the trigger thing 9, also can utilize the feed water valve 8 of aqua storage tank 7 that water is provided, and launches liquid thing to be pulled the trigger by this; The utlity model has the function that to select to launch solid or liquid.

In addition, the swing component 52 of this trigger unit 5 is by the lever principle design, and is very laborsaving during cocking 51; This thorax chamber 4 is accepted to wait to pull the trigger the mode that thing 9 is inserted, and the mode that can adopt thing single to be pulled the trigger to insert also can adopt cartridge clip that plural number is waited to pull the trigger the mode that thing is inserted one by one by the cartridge clip structure.

In the enforcement, the inlet valve hole 325 of this air reservoir 3 also can be located at handle 12 interior wireway 6b via one and be connected (as shown in figure 11) with a circumscribed electric air pumping 20, accepts electric air pumping input outside air by this.

See also shown in Figure 13, another additional cut-away view of implementing kenel of the utility model, illustrating that the utility model can further comprise is located on the rifle body 1 and is communicated in manual water valve 83 between described aqua storage tank 7a and the discharge jet 13 at the discharge jet 13 and that the aqua storage tank 7a, below the gas receiver 31 is located at gun barrel 11 sides and is communicated with aqua storage tank 7a, and inflator 2 is via a check water valve 84 connection aqua storage tank 7a.

This discharge jet 13 is communicated with aqua storage tank 7a via an aqueduct 71a, and inflator 2 is communicated with check water valve 84 via a wireway 6a, this aqua storage tank 7a can accept inflator 2 input outside airs, accumulate pressure in aqua storage tank 7a inside, accumulate pressure by these manual water valve 83 manual switchovers to open and close aqua storage tank 7a release, in order to do the water in the aqua storage tank 7a is emitted to the external world via discharge jet 13.

One of these gun barrel 11 front ends muzzle 111 outer walls are provided with one and are nested with anchor ring 112, can overlap 91 in the outside for being nested with a taper of being made by flexible material, this taper cover 91 can be EVA material rocket projectile, and this steam supply valve 32 is emitted to the external world via this taper cover 91 of compressed air-driven that described thorax chamber 4 and gun barrel 11 disengage.

To sum up institute is old, only is the preferred embodiment of the utility model, is not in order to limit the utility model; All other do not break away from the equivalence that spirit that the utility model discloses finishes down to be modified or displacement, all should be contained in the aftermentioned claim.

Claims (12)

1. an air cannon is characterized in that it comprises: a rifle body; One is arranged at the inflator on the rifle body; One air reservoir is communicated with this inflator, and accepts this inflator input outside air, and accumulates compressed air in this air reservoir, and this air reservoir is provided with one in order to discharge the steam supply valve of compressed air; One in order to insert the thorax chamber of waiting to pull the trigger thing, is communicated between the gun barrel of the steam supply valve of described air reservoir and rifle body; Reach a trigger unit, be located at the position of one of contiguous this rifle body handle, the mutual interlock of the steam supply valve of described trigger unit and air reservoir, this trigger unit are accepted to pull and this steam supply valve of interlock.

2. air cannon according to claim 1 is characterized by this inflator and is located at this gun barrel below, and this air reservoir is located at rifle body rear away from the position of this gun barrel, and the steam supply valve of air reservoir is to should gun barrel.

3. air cannon according to claim 1, it is characterized by this rifle body top be provided with one be communicated with this thorax chamber wait to pull the trigger the thing posting port, this thing to be pulled the trigger is round or tapered or the strip solid.

4. air cannon according to claim 1 is characterized by this trigger unit and comprises a trigger and the swing component of a hub setting between one of this trigger and this steam supply valve air feed valve rod, and this trigger is accepted to pull and ordered about this swing component and touch this air feed valve rod.

5. air cannon according to claim 1 is characterized by and further comprises the aqua storage tank of being located on this rifle body, and aqua storage tank has a feed water valve that is communicated to this thorax chamber.

6. air cannon according to claim 5, it is characterized by this trigger unit is plural trigger, but discharge the first trigger unit of compressed air and this feed water valve of an interlock this thorax chamber interior is discharged the second trigger unit of water but comprise this steam supply valve of an interlock, described first and second trigger unit is arranged side by side on the rifle body.

7. air cannon according to claim 5 is characterized by this trigger unit and comprises a trigger and the hub setting swing component between a water supply valve rod of an air feed valve rod of this trigger, this steam supply valve and this feed water valve.

8. air cannon according to claim 7 is characterized by described air feed valve rod and water supply valve rod and is combined into one.

9. according to each described air cannon among claim 4 or 7, it is characterized by this steam supply valve and include the air-supplying valve that an air feed valve opening and that is communicated with described air reservoir and thorax chamber can open and close this air feed valve opening, and described air-supplying valve is connected with the air feed valve rod.

10. air cannon according to claim 1, it is characterized by this rifle body and further comprise discharge jet and that the aqua storage tank of being located on the rifle body, is located at this gun barrel side and is communicated with this aqua storage tank and be communicated in manual water valve between described aqua storage tank and the discharge jet, this inflator is communicated with this aqua storage tank via a check water valve.

11. air cannon according to claim 1 is characterized by one of this gun barrel front end muzzle outer wall and has one and be nested with anchor ring, can be for being nested with a taper cover of being made by flexible material.

12. air cannon according to claim 1 is characterized by this air reservoir and is provided with a circumscribed electric air pumping.

Images