CN201880367U - Toy flyer - Google Patents
Toy flyer Download PDFInfo
- Publication number
- CN201880367U CN201880367U CN2010201510032U CN201020151003U CN201880367U CN 201880367 U CN201880367 U CN 201880367U CN 2010201510032 U CN2010201510032 U CN 2010201510032U CN 201020151003 U CN201020151003 U CN 201020151003U CN 201880367 U CN201880367 U CN 201880367U
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- oar
- rotor
- tail
- flying object
- blade
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Abstract
The utility model provides a toy flyer which comprises an airframe, an empennage, a power cell, a control circuit, a main oar structure and a stroke oar structure; the airframe is internally provided with a main oar placing cabin; the main oar structure is arranged in the main oar placing cabin; the empennage is internally provided with a stroke oar placing cabin; the stroke oar is arranged in the stroke oar placing cabin; the main oar structure comprises a main oar driving mechanism, an upper oar transmission shaft, a lower oar transmission shaft, an upper blade and a lower blade; the upper blade is arranged on the upper oar transmission shaft; the lower blade is arranged on the lower oar transmission shaft; a first transmission mechanism is arranged between the main oar driving mechanism and the upper oar transmission shaft; a second transmission mechanism is arranged between the main oar driving mechanism and the lower oar transmission shaft; a balance rod is arranged on the upper oar transmission shaft; and a connecting part is arranged between the balance rod and the upper blade. The toy flyer has a simple structure, can fly stably, has good helical stopping performance, can quickly find the balance point, and is not easy to be damaged or damage the surrounding objects or persons when in the flying state or bumping with the surrounding objects.
Description
Technical field
The utility model relates to flying object, especially toy flying object.
Background technology
The science and technology such as mechanics, aerodynamics and telecommunications that have been integrated that flying object can aloft fly, its principle is very complicated, be subjected to extraneous interference and a lot of destabilizing factor easily, so make a good flying object, need constantly test and improvement to strengthen operability, stability and the security of flying object.
Usually flying object, its structure mainly is made up of main screw structure, fuselage, empennage screw, electrokinetic cell, transmission device and electronic telecontrol device.Wherein, the effect of main screw mainly is to produce lift can aloft fly up by flying object, and when producing lift, utilize external force to change the inclination angle, windward side (change propeller pitch angle) of main screw, produce motive force, make flying object action backward forward, the auxiliary control by other devices can also make flying object do and turn to, pitching, side fly actions such as lift-over; Fuselage plays and loads fixedly connected each device mainly as a carrier, and the balanced action of control centre and moment; The empennage screw: for general helicopter class aircraft, the design of tail screw is used for overcoming main screw often and waits the anti-torsion that produces for fuselage when rotated; Battery: for product provides power source; Transmission device: link the device of main oar and motor, form by motor, gear and power transmission shaft; Electronic-controlled installation: the wireless transmission of command signal and control, coordinate to control each parts on the aircraft, make aircraft can make exercises.But flying object is in flight course, the difficult control of the stability of flying object and security, the main screw of present flying object and tail screw all are arranged on the outside of fuselage, main screw produces lift, the torsion that the tail screw produces when being used for overcoming the main screw rotation, this air force layout structure, stationarity and hover performance are bad when flying object takes off, under inapt flying condition, flying object can not find equalization point rapidly automatically, institute's work can be moved limited, turns to the prospect backward movement about only doing.In addition, because main screw is installed in outside the fuselage, flying object awing or and the injury that the back causes flying object itself and on every side object or people easily that bumps of object on every side.
The utility model content
The purpose of the utility model technology is for a kind of toy flying object is provided, utilize structure of the present utility model, the having a smooth flight of flying object, hovering property are good, flying object can find equalization point rapidly, flying object awing, and can make flying object increase flare maneuver by the duty that two empennages are controlled in segmentation to have increased and be not easy injury that flying object itself and on every side object or people are caused after objectivity and object on every side bump.
For achieving the above object, new design a kind of toy flying object, comprise fuselage, empennage, electrokinetic cell, control circuit, main paddle structure and tail-rotor structure, electrokinetic cell is located in the fuselage, electrokinetic cell is connected with control circuit; Be provided with main oar in the described fuselage and place the cabin, main slurry structure is located at main oar and places in the cabin; Be provided with tail-rotor in the described empennage and place the cabin, tail-rotor is located at tail-rotor and places in the cabin; Described main paddle structure comprises main oar driving mechanism, goes up the oar power transmission shaft, down the oar power transmission shaft, go up blade and blade down, last oar driving sleeve is on following oar power transmission shaft, the oar power transmission shaft is stretched out at the two ends of following oar power transmission shaft, last blade is located on the oar power transmission shaft, following blade is located at down on the oar power transmission shaft, be provided with first drive mechanism between described main oar drives structure and the last oar power transmission shaft, be provided with second drive mechanism between main oar drives structure and the following oar power transmission shaft; The described oar power transmission shaft of going up is provided with balancing pole, is provided with connector and drop front between balancing pole and the last blade.
Said structure owing to be provided with blade and following blade, during flying object flight, the direction of rotation of last blade and following blade is opposite, last blade is cancelled out each other with the reverse torsion of following blade generation, therefore, when flying object flies stationarity with revolve that to stop performance better.Flying object in flight course when external force is rocked the flying object center of gravity, because the fast rotational of balancing pole, produced bigger centrifugal force, like this, the direction of balancing pole axle can not change along with the direction of external force, but axle is round a fixed-point motion, utilize the drop front of connector and last paddle to be connected blade, blade and balancing pole are synchronized with the movement, constantly change the angle that facings the wind of blade, constantly adjust the gravity balance of flying object, finally make the flying object smooth flight, because of good collocation last paddle and balancing pole the length ratio value and matched the weight of balance bar and the ratio value of fuselage weight, so flying object can find equalization point fast by balancing pole.Because the main oar of flying object is wrapped in the fuselage fully, and tail-rotor is wrapped in the empennage fully, in the blade rotary work, can not run into external object, makes flying object have better security when blade is played a protective role.The design of afterbody double tail makes flying object can do horizontal left side chikung energy, and laterally right side chikung energy flies on the left of advancing, and the right side of advancing flies, and retreats the left side and flies, and retreats the flare maneuver that the right side flies, and increases the manipulation function of flying object.
As specializing, main oar driving mechanism comprises left side motor, right side motor and motor fixed mount, described motor fixed mount is fixed on the fuselage that is positioned at main oar placement cabin, and the arc perforate of fuselage both sides is an air inlet, and left side motor and right side motor are installed on the motor fixed mount; The left side motor is connected with control circuit with the right side motor, and the motor fixed mount is inverted in main blade top.
Described left side motor and right side motor drive down oar power transmission shaft and the rotation of last oar power transmission shaft respectively, thereby realize blade and relative reverse rotation independent with last blade down; Fixed mount plays the effect of fixing left side motor and right side motor, and when left side motor and right side motor operations, motor and right side motor can not be shifted and rock on the left of guaranteeing, further improve the stationarity of flying object.
As specializing, described first transmission mechanism comprises first gear, second gear, and first gear is located on the output shaft of right side motor, and second gear is located on the oar power transmission shaft, and first gear and second gear are meshed; Described second transmission mechanism comprises the 3rd gear and the 4th gear, and the 3rd gear is installed on the output shaft of left side motor, and the 4th gear is installed in down on the upper end of oar power transmission shaft, and the 3rd gear and the 4th gear are meshed.Tooth between first gear and second gear is counted ratio: 7: 36.Tooth between the 3rd gear and the 4th gear is counted ratio: 7: 36.
Utilize gear drive, reliable transmission, transmission mechanism is not easy to break down.
As specializing, described balancing pole comprises connecting rod and balance weight, and balance weight is located at the two ends of connecting rod.Counterweight is set increases the centrifugal force of balancing pole when motion.
As specializing, described empennage comprises left side empennage and right side empennage; Tail-rotor comprises left tail-rotor and right tail-rotor; Left side tail-rotor comprises left tail-rotor motor and left tail-rotor blade, and left tail-rotor motor is fixed on the empennage that is positioned at tail-rotor placement cabin, and left tail-rotor blade is located on the output shaft of left tail-rotor motor; Right tail-rotor comprises right tail-rotor motor and right tail-rotor blade, and right tail-rotor motor is fixed on the empennage that is positioned at tail-rotor placement cabin, and right tail-rotor blade is located on the output shaft of right tail-rotor motor; Described left tail-rotor motor is connected with control circuit with right tail-rotor.
Adopt the double tail structure, and in each empennage, tail-rotor is installed, like this, the duty by the control tail-rotor can easier realize: forward flight action, retreat flare maneuver, left side flare maneuver, right side flare maneuver, the right side that flies, advances, the left side of advancing flies, retreats the left side and fly, retreat the flare maneuver that the right side flies.
As improvement, the top that described main oar is placed the cabin is provided with the fuselage overhead guard.Be convenient to maintenance and change owner paddle structure more like this.
As improvement, the ratio of the head of toy flying object to toy flying object center of gravity and toy flying object afterbody to the toy flying object focus point is 1: 1.4-1.6.This structure can further improve the stationarity of flying object.
As improvement, it is 30 °-120 ° to the angle the toy flying object focus point from left tail-rotor center to the toy flying object focus point and from right tail-rotor center; Port tailplane and starboard tailplane are with respect to toy flying object longitudinal center axis symmetry.This structure can further increase the manipulation function of flying object.
Description of drawings
Fig. 1 is the vertical view of flying object;
Fig. 2 is the cutaway view of flying object;
Fig. 3 is the three-dimensional view of main paddle structure;
Fig. 4 is the cutaway view of main paddle structure;
Fig. 5 is the vertical view of main paddle structure.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
Toy flying object as depicted in figs. 1 and 2 comprises fuselage 1 and empennage 2, and electrokinetic cell 3 is installed in fuselage 1, and electrokinetic cell 3 is connected with control circuit 4; On the front portion of fuselage 1, be provided with engine room cover 5.
To shown in Figure 4, the middle part that is positioned at fuselage in fuselage 1 is provided with main oar and places cabin 6 as Fig. 2, and main oar is placed in the cabin 6 and is provided with main paddle structure 7, main paddle structure 7 comprises main oar driving mechanism 71, goes up oar power transmission shaft 72, down oar power transmission shaft 73, go up blade 74 and blade 75 down; Main oar driving mechanism 71 comprises left side motor 711, right side motor 712 and motor fixed mount 713, motor fixed mount 713 is fixed on the fuselage 1 that is positioned at main oar placement cabin 6, left side motor 711 and right side motor 712 are installed on the motor fixed mount 713, and left side motor 711 is connected with control circuit 4 with right side motor 712; Last oar power transmission shaft 72 is enclosed within down on the oar power transmission shaft 73, the two end axles of following oar power transmission shaft 73 is to stretching out oar power transmission shaft 72, the upper end of following oar power transmission shaft 73 is installed on the motor fixed mount 713 by bearing, and the upper end of last oar power transmission shaft 72 is installed on the motor fixed mount 713 by bearing; Last blade 74 close-fittings are installed on the axle sleeve of oar power transmission shaft 72, and following blade 75 close-fittings are installed in down on the axle sleeve of oar power transmission shaft 73; Be provided with first transmission mechanism between right side motor 712 and the last oar power transmission shaft 72, be provided with second transmission mechanism between left side motor 711 and the following oar power transmission shaft 73, first transmission mechanism comprises first gear 761, second gear 762, first gear 761 is installed on the output shaft of right side motor, second gear 762 is installed in the upper end of oar power transmission shaft 72, first gear 761 and second gear 762 are meshed, second transmission mechanism comprises the 3rd gear 771 and the 4th gear 772, the 3rd gear 771 is installed on the output shaft of left side motor, the 4th gear 772 is installed in down on the upper end of oar power transmission shaft 73, and the 3rd gear 771 and the 4th gear 772 are meshed.Be positioned on the last oar power transmission shaft 72 blade 74 above balancing pole 8 is installed, balancing pole 8 is made up of connecting rod 81 and balance weight 82, connecting rod 81 is installed on the oar power transmission shaft, and balance weight 82 is connected the two ends of connecting rod 81, is provided with connector 83 between connecting rod 81 and the last blade 74.For the ease of keeping in repair main paddle structure, be provided with fuselage overhead guard 9 at the fuselage top.
Described empennage is made of port tailplane 21 and starboard tailplane 22, all is provided with tail-rotor in left side empennage 21 and the right side empennage 22 and places the cabin, places in the cabin at the tail-rotor of left side empennage 21 and is provided with left tail-rotor 23, places in the cabin at the tail-rotor of right side empennage 22 and is provided with right tail-rotor 24; Left side tail-rotor 23 comprises left tail-rotor motor and left tail-rotor blade, and left tail-rotor motor is fixed on the empennage that is positioned at tail-rotor placement cabin, and left tail-rotor blade is located on the output shaft of left tail-rotor motor; Right tail-rotor 24 comprises right tail-rotor motor 241 and right tail-rotor blade 242, and right tail-rotor motor 241 is fixed on the empennage that is positioned at tail-rotor placement cabin, and right tail-rotor blade 242 is located on the output shaft of right tail-rotor motor; Left side tail-rotor motor is connected with control circuit with right tail-rotor.
As shown in Figure 1, the ratio of the head of toy flying object to the distance D of toy flying object center of gravity and toy flying object afterbody to toy flying object centroidal distance E is 1: 1.4-1.6, present embodiment is 1: 1.5.Is 30-120 ° from left tail-rotor center to the toy flying object center of gravity and from right tail-rotor center to the included angle B the toy flying object center of gravity, and present embodiment is selected 45 ° for use; Port tailplane and starboard tailplane are with respect to toy flying object longitudinal center axis symmetry.
The principle of the flight of toy flying object is: toy flying object is in opening, electrokinetic cell 3 provides electrical source of power, make control circuit 4 drive left side motor 711 and right side motor 712 by remote controller, left side motor 711 is with transmission of power to the three gears 771, the 3rd gear 771 is with transmission of power to the four gears 772, the 4th gear 772 drives oar power transmission shaft 73 rotations down, following oar power transmission shaft 73 drives down, and blade 75 is rotated counterclockwise, simultaneously, right side motor 712 with transmission of power to first gear 761, first gear with transmission of power to second gear 762, second gear 762 drives goes up 72 rotations of oar power transmission shaft, last oar power transmission shaft 72 drives upward, and blade 74 is rotated counterclockwise, simultaneously, balancing pole is followed together rotation, when the rotating speed of last blade 74 and following blade 75 is identical, on, the following anti-torsion that blade produced is cancelled out each other, and stationarity is stopped performance with revolving during flying object flight; Flying object in flight course when external force is rocked the flying object center of gravity, because the fast rotational of balancing pole, produced bigger centrifugal force, like this, balancing pole axially can not change along with the direction of external force, but axle is round a fixed-point motion, utilize connector 83 to connect and go up blade 74 and balancing pole 8, drop front 79 in the combination on the paddle is synchronized with the movement paddle 74 and balancing pole 8, constantly change the angle that facings the wind of blade, constantly adjust the gravity balance of flying object, finally make the flying object smooth flight, therefore, flying object can find equalization point to produce lift simultaneously by balancing pole toy flying object steadily is suspended in the air fast.
When making left and right sides go to action: be to rely on the speed discrepancy of adjusting left side motor 711 and 712 to change the rotary speed that goes up blade 74 and following blade 75, thereby change the torsion that in rotation, produces, break the state of the mutual torsion counteracting of oar balance up and down, realize the go to action of flying object.
Flying object is being made the action time of moving forward and backward: be rely on left tail-rotor 23 on the flying object empennage and right tail-rotor 24 simultaneously clockwise or the power that is rotated counterclockwise generation change the rotation horizontal plane of going up blade 74 and following blade 75, make blade and following blade produce slanted angle with respect to rotating shaft, when last blade 74 and 75 rotations of following blade produce climbing power, produce pulling force forward, thereby realize moving forward and backward action.When right tail-rotor leaf 242 and left tail-rotor leaf 232 turned clockwise simultaneously, flying object flew forward, and when right tail-rotor leaf 242 and left tail-rotor leaf 232 were rotated counterclockwise simultaneously, flying object flew backward.
The flyer left and right sides flies when doing: be to rely on left tail-rotor 23 of control and right tail-rotor 24 duties to realize.Flying object is at floating state, starting the right tail-rotor blade 242 of flying object empennage turns clockwise, utilize right tail-rotor center line and flying object central datum line to have angle, upwards raise under the situation of power in right tail-rotor blade 242 generations, the angle change of facining the wind of the rotation horizontal plane of last blade 74 and following blade 75, last blade 74 and following blade 75 are rotated in and produce the pulling force of flight left when producing climbing power, and flying object flies to the left.The left tail-rotor blade 232 that in like manner starts on the flying object empennage turns clockwise, utilize right tail-rotor center line and flying object central datum line to have angle, produce at right tail-rotor blade under the situation of thrust, the angle change of facining the wind of the rotation horizontal plane of last blade 74 and following blade 75, last blade 74 and following blade 75 are rotated in and produce the pulling force of flight to the right when producing climbing power, and flying object flies to the right.
Flyer advances+and the right side flies when doing: be to rely on left tail-rotor 23 of control and right tail-rotor 24 duties to realize, flying object is at floating state, starting flying object empennage starboard tailplane oar blade 242 and left oar blade 232 synchronously turns clockwise, the rotating speed of control starboard tailplane oar blade 242 is faster than left oar blade 232, utilize starboard tailplane oar center line and flying object central datum line to have angle, upwards raise power also greater than left oar blade 232 in right tail-rotor blade 242 generations, under the situation, the angle change of facining the wind of the rotation horizontal plane of fuselage body skew back starching left leaf 74 and following blade 75, last paddle 74 and following blade 75 are rotated in and produce the pulling force of flight left when producing climbing power, and flying object flies to the left.In like manner starting right tail-rotor blade 242 of flying object empennage and left oar blade 232 synchronously turns clockwise, the rotating speed of controlling left tail-rotor blade is faster than left oar blade 242, utilize left tail-rotor center line and flying object central datum line to have angle, upwards raise power also greater than left oar blade 242 in left tail-rotor blade 232 generations, under the situation, the rotation horizontal plane of blade 74 and the following blade 75 angle change of facining the wind on the skew back left of fuselage body, last blade 74 and following blade 75 are rotated in and produce the pulling force of flight to the right when producing climbing power, and flying object flies to the right.
Flyer retreats+and left and right sides flies when doing: be to rely on left tail-rotor 23 of control and right tail-rotor 24 duties to realize.Flying object is at floating state, starting right tail-rotor blade 242 of flying object empennage and left oar blade 232 synchronously is rotated counterclockwise, the rotating speed of controlling right tail-rotor blade is faster than left oar blade 232, utilize right tail-rotor center line and flying object central datum line to have angle, produce downward pulling force also greater than left oar blade 232 at right tail-rotor blade 242, under the situation, the rotation horizontal plane of blade 74 and the following blade 75 angle change of facining the wind on the skew back to the right of fuselage body, last paddle 74 and following blade 75 are rotated in and produce the pulling force of flight to the right when producing climbing power, and flying object flies to the right.In like manner starting right tail-rotor blade 242 of flying object empennage and left oar blade 232 synchronously turns clockwise, the rotating speed of controlling left tail-rotor blade 232 is faster than right oar blade 242, utilize left tail-rotor center line and flying object central datum line to have angle, produce downward pulling force also greater than right oar blade 242 at left tail-rotor blade 232.Under the situation, the fuselage body rotation horizontal plane of going up paddle 74 and following blade 75 angle of facining the wind that is tilted to the right changes, the pulling force that generation was flown to the right when last blade 74 and following blade 75 were rotated in the generation climbing power, and flying object flies to the right.
Toy flying object of the present utility model; because the main paddle structure of flying object is wrapped in the fuselage fully, and the tail-rotor structure is wrapped in the empennage fully, in the blade rotary work; can not run into external object, make flying object have better security when blade is played a protective role.Use the double tail structure to make flying object increase the left side and fly, the right side flies, and advances+left side flies, and advances+right side flies, and retreats+left side flies, retreat+right side flies, and strengthened the playability of toy flying object.
Claims (7)
1. a toy flying object comprises fuselage, empennage, electrokinetic cell, control circuit, main paddle structure and tail-rotor structure, and electrokinetic cell is located in the fuselage, and electrokinetic cell is connected with control circuit; It is characterized in that: be provided with main oar in the described fuselage and place the cabin, main slurry structure is located at main oar and places in the cabin; Be provided with tail-rotor in the described empennage and place the cabin, tail-rotor is located at tail-rotor and places in the cabin; Described main paddle structure comprises main oar driving mechanism, goes up the oar power transmission shaft, down the oar power transmission shaft, go up blade and blade down, last oar driving sleeve is on following oar power transmission shaft, the oar power transmission shaft is stretched out at the two ends of following oar power transmission shaft, last blade close-fitting is enclosed within on the oar power transmission shaft, following blade close-fitting is on following oar power transmission shaft, be provided with first transmission mechanism between described main oar driving mechanism and the last oar power transmission shaft, be provided with second transmission mechanism between main oar driving mechanism and the following oar power transmission shaft; The described oar power transmission shaft of going up is provided with balancing pole, is provided with connector and drop front between balancing pole and the last blade.
2. toy flying object according to claim 1, it is characterized in that: main oar driving mechanism comprises left side motor, right side motor and motor fixed mount, described motor fixed mount is fixed on the fuselage that is positioned at main oar placement cabin, the arc perforate of fuselage both sides is an air inlet, and left side motor and right side motor are installed on the motor fixed mount; The left side motor is connected with control circuit with the right side motor, and the motor fixed mount is inverted in main blade top.
3. toy flying object according to claim 1, it is characterized in that: described first transmission mechanism comprises first gear, second gear, first gear is located on the output shaft of right side motor, and second gear is located on the oar power transmission shaft, and first gear and second gear are meshed; Described second transmission mechanism comprises the 3rd gear and the 4th gear, and the 3rd gear is installed on the output shaft of left side motor, and the 4th gear is installed in down on the upper end of oar power transmission shaft, and the 3rd gear and the 4th gear are meshed; Tooth between first gear and second gear is counted ratio: 7: 36, the tooth between the 3rd gear and the 4th gear was counted ratio and is: 7: 36.
4. toy flying object according to claim 1 is characterized in that: described empennage comprises left side empennage and right side empennage; Tail-rotor comprises left tail-rotor and right tail-rotor; Left side tail-rotor comprises left tail-rotor motor and left tail-rotor blade, and left tail-rotor motor is fixed on the empennage that is positioned at tail-rotor placement cabin, and left tail-rotor blade is located on the output shaft of left tail-rotor motor; Right tail-rotor comprises right tail-rotor motor and right tail-rotor blade, and right tail-rotor motor is fixed on the empennage that is positioned at tail-rotor placement cabin, and right tail-rotor blade is located on the output shaft of right tail-rotor motor; Described left tail-rotor motor is connected with control circuit with right tail-rotor.
5. toy flying object according to claim 1 is characterized in that: the top that described main oar is placed the cabin is provided with the fuselage overhead guard.
6. toy flying object according to claim 1 is characterized in that: the ratio of the head of toy flying object to toy flying object center of gravity and toy flying object afterbody to the toy flying object center of gravity is 1: 1.4-1.6.
7. toy flying object according to claim 1 is characterized in that: from left tail-rotor center to the toy flying object center of gravity and from the angle the right tail-rotor central island toy flying object center of gravity is 30-120 °; Port tailplane and starboard tailplane are with respect to toy flying object longitudinal center axis symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201510032U CN201880367U (en) | 2010-03-31 | 2010-03-31 | Toy flyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201510032U CN201880367U (en) | 2010-03-31 | 2010-03-31 | Toy flyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201880367U true CN201880367U (en) | 2011-06-29 |
Family
ID=44177891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201510032U Expired - Fee Related CN201880367U (en) | 2010-03-31 | 2010-03-31 | Toy flyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201880367U (en) |
-
2010
- 2010-03-31 CN CN2010201510032U patent/CN201880367U/en not_active Expired - Fee Related
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| DD01 | Delivery of document by public notice |
Addressee: Huang Junsheng Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Huang Junsheng Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20170331 |