CN202654331U - Wheelchair - Google Patents
Wheelchair Download PDFInfo
- Publication number
- CN202654331U CN202654331U CN 201220209595 CN201220209595U CN202654331U CN 202654331 U CN202654331 U CN 202654331U CN 201220209595 CN201220209595 CN 201220209595 CN 201220209595 U CN201220209595 U CN 201220209595U CN 202654331 U CN202654331 U CN 202654331U
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- China
- Prior art keywords
- wheel
- sprocket wheel
- wheelchair
- friction pulley
- chain
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- Withdrawn - After Issue
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Abstract
The utility model relates to a wheelchair comprising a pedal, a frame, a left walking wheel and a right walking wheel which are respectively arranged on both sides of the frame and can rotate freely, and a force transmission mechanism which is arranged between the left walking wheel and the right walking wheel. The force transmission mechanism comprises a first conical wheel, a second conical wheel, a first friction wheel and a second friction wheel, and the first conical wheel and the left walking wheel are arranged coaxially; the second conical wheel and the right walking wheel are arranged coaxially; the first friction wheel corresponds to the first conical wheel; and the second friction wheel corresponds to the second conical wheel and is arranged coaxially with the first friction wheel, wherein the wheelchair also comprises a steering control component which is connected with the first friction wheel and the second friction wheel so as to change the corresponding point of tangency of the first friction wheel and the first conical wheel and the corresponding point of tangency of the second friction wheel and the second conical wheel. Due to the wheelchair, a hemiptegic patient or a patient with a disabled limb can easily control the movement of the wheelchair with a healthy limb.
Description
Technical field
This utility model relates to a kind of wheelchair, specifically, relates to user and can take on it and the wheelchair of self easily walking.
Background technology
The manual circle that manual type wheelchair handle and road wheel are integrally formed is arranged on the outside of road wheel, when the caregiver not the time, the user of wheelchair by rotation manually circle make the wheelchair walking.Existing common manual type wheelchair all is to go to operate respectively two by two handss manually to enclose, two handss all forward pushing hands moving-coil wheelchair just advance, two handss all backward pushing hands moving-coil wheelchair just retreat, a hands pushes away forward on the other hand, and moving-coil another hands just turns to another manual circle of pusher, this just means, has common manual type wheelchair now and is not suitable for one-handed performance.Yet, cerebrovascular disease, brain neuroblastoma postoperative complication, vehicle accident, and some other accidents all might cause hemiplegia or side physical disabilities, because common manual type wheelchair is owing to being not suitable for one-handed performance, therefore it can not satisfy the user demand of hemiptegic or a side limbs impaired.
In view of this, be necessary to develop in fact a kind of wheelchair of suitable one-handed performance.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of wheelchair of suitable one-handed performance, so that hemiptegic or a side limbs impaired can take full advantage of the motion that own healthy side limbs are easily controlled wheelchair.
In order to solve the problems of the technologies described above, wheelchair of the present utility model comprises pedal, and vehicle frame is separately positioned on the left and right road wheel that the relatively described vehicle frame in vehicle frame both sides can rotate freely, and is installed in the force transfer mechanism between the left and right road wheel.Described force transfer mechanism comprises the first taper cone pulley, the second taper cone pulley, the first friction pulley and the second friction pulley, and the first taper cone pulley and described left lateral travelling wheel concentric arrange; The second taper cone pulley and described right lateral travelling wheel concentric arrange; The first friction pulley is corresponding with described the first taper cone pulley; The second friction pulley is corresponding with described the second taper cone pulley, and with the coaxial setting of described the first friction pulley; Wherein, described wheelchair also comprise one with described the first friction pulley be connected the second friction pulley and connect to change the first friction pulley and the corresponding point of contact of the first taper cone pulley and change the Control Component that turns at the second friction pulley and the corresponding point of contact of the second taper cone pulley.
Above-mentioned wheelchair, wherein, the described Control Component that turns to comprises steering lever and drawing article, steering lever and described the first friction pulley be connected the second friction pulley and be connected; Drawing article is connected with described pedal and is connected with described steering lever.
Above-mentioned wheelchair, wherein, described drawing article is stay cord, and described stay cord is two, and wherein an end of a stay cord is connected in the front portion of described pedal, and the other end is connected in close described the first friction pulley side on the described turning-bar bar; One end of another root stay cord is connected in the rear portion of described pedal, and the other end is connected in close described the second friction pulley side on the described steering lever.
Above-mentioned wheelchair, wherein, the described Control Component that turns to comprises that also one is arranged on the stay cord guide on the described vehicle frame, described stay cord guide is passed respectively at the middle part of described two stay cords.
Above-mentioned wheelchair, wherein, described turning-bar thick stick is connected with one first connecting axle by one second connecting axle, and described the first connecting axle is the axle that makes described the first friction pulley and the coaxial setting of described the second friction pulley.
Above-mentioned wheelchair, wherein, the described Control Component that turns to also includes the steering lever return unit, and described steering lever return unit one end is arranged on the described steering lever, and the other end is arranged on the described vehicle frame.
Above-mentioned wheelchair, wherein, described wheelchair also comprises a speed increasing mechanism, and described force transfer mechanism arranges near described left lateral travelling wheel, and described speed increasing mechanism is arranged between described force transfer mechanism and the described right lateral travelling wheel by a train gripper shoe.
Above-mentioned wheelchair, wherein, described speed increasing mechanism is a chain-drive mechanism, described chain-drive mechanism comprises the first chain kit and the second chain kit, the first chain kit comprises the first sprocket wheel, the second sprocket wheel and is arranged on the first chain on the first sprocket wheel, the second sprocket wheel, described the first sprocket wheel and the coaxial setting of described the second taper cone pulley; The second chain kit comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on the second chain on the 3rd sprocket wheel, the 4th sprocket wheel, described the 4th sprocket wheel and the coaxial setting of described right lateral travelling wheel.
Above-mentioned wheelchair, wherein, described wheelchair also comprises a speed increasing mechanism, and described force transfer mechanism arranges near described right lateral travelling wheel, and described speed increasing mechanism is arranged between described force transfer mechanism and the described left lateral travelling wheel by a train gripper shoe.
Above-mentioned wheelchair, wherein, described speed increasing mechanism is a chain-drive mechanism, described chain-drive mechanism comprises the first chain kit and the second chain kit, the first chain kit comprises the first sprocket wheel, the second sprocket wheel and is arranged on the first chain on the first sprocket wheel, the second sprocket wheel, described the first sprocket wheel and the coaxial setting of described the first taper cone pulley; The second chain kit comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on the second chain on the 3rd sprocket wheel, the 4th sprocket wheel, described the 4th sprocket wheel and the coaxial setting of described left lateral travelling wheel.
Beneficial functional of the present utility model is, force transfer mechanism setting by taper cone pulley and friction pulley fit structure, when power after the input of left lateral travelling wheel or right lateral travelling wheel, rely on the frictional force between taper cone pulley and the friction pulley to be delivered to an other side, and when the gear ratio in the left and right sides is identical, the synchronized rotation of left and right road wheel, wheelchair is kept straight on; And by turning to Control Component to change the point of contact of taper cone pulley and friction pulley with the gear ratio of change force transfer mechanism, when gear ratio less than 1 or greater than 1 the time, wheelchair turns to.Thereby this utility model can make things convenient for hemiptegic or a side limbs impaired to take full advantage of the motion that own healthy side limbs are easily controlled wheelchair.
Below in conjunction with the drawings and specific embodiments this utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the side view of wheelchair of the present utility model;
Fig. 2 is the structural representation of the force transfer mechanism of this utility model one embodiment;
Fig. 3 is the structural representation of the force transfer mechanism of another embodiment of this utility model;
Fig. 4 is the again installation diagram of the force transfer mechanism of an embodiment of this utility model;
Fig. 5 is the structural representation that turns to Control Component () of this utility model wheelchair;
Fig. 6 is the structural representation that turns to Control Component (two) of this utility model wheelchair;
Fig. 7 be this utility model wheelchair turn to Control Component and pedal annexation schematic diagram;
Fig. 8 be this utility model wheelchair turn to Control Component and the first friction pulley and the second friction pulley annexation schematic diagram;
Fig. 9 be this utility model wheelchair turn to the Control Component partial schematic diagram.
Wherein, Reference numeral
10-pedal
11-pedal rotating shaft
12-pedal pull bar
20-vehicle frame
30-left lateral travelling wheel
40-right lateral travelling wheel
The 50-force transfer mechanism
51-the first taper cone pulley
The 52-the second taper cone pulley
The 53-the first friction pulley
The 54-the second friction pulley
55-left hand wheel shaft
55 ＇-right hand wheel shaft
56-right hand wheel shaft
The 57-the first connecting axle
60-turn to Control Component
61-steering lever
62-drawing article
621,622-stay cord
63-stay cord guide
64-steering lever return unit
641,642-spring
The 65-the first stay cord skin is spacing
The 66-the second stay cord skin is spacing
The 70-the second connecting axle
80-speed increasing mechanism
The 81-the first sprocket wheel
The 82-the second sprocket wheel
The 83-the first chain
The 84-the three sprocket wheel
The 85-the four sprocket wheel
The 86-the second chain
87,87 ＇-the 3rd connecting axle
The 88-the four connecting axle
89,89 ＇-the 5th connecting axle
88-the 4th connecting axle
90-train gripper shoe
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as this utility model claims protection domain.
The first embodiment
Consult Fig. 1 also in conjunction with consulting Fig. 2, as shown in the figure, wheelchair of the present utility model, comprise pedal 10, vehicle frame 20, be separately positioned on left lateral travelling wheel 30, right lateral travelling wheel 40 that the relative vehicle frame in vehicle frame 20 both sides can rotate freely, and be installed in the force transfer mechanism 50 between left lateral travelling wheel 30, the right lateral travelling wheel 40.Pedal 10 is connected to (see figure 7) on the vehicle frame 20 by pedal pull bar 11 and pedal rotating shaft 12.Force transfer mechanism 50 comprises the first taper cone pulley 51, the second taper cone pulley 52, the first friction pulley 53 and the second friction pulley 54, thereby the first taper cone pulley 51 makes the first taper cone pulley 51 and the 30 concentric settings of left lateral travelling wheel by left hand wheel shaft 55 and the 30 coaxial settings of left lateral travelling wheel, thereby the second taper cone pulley 52 makes the second taper cone pulley 52 and the 40 concentric settings of right lateral travelling wheel by right hand wheel shaft 56 and the 40 coaxial settings of right lateral travelling wheel, the first friction pulley 53 is corresponding with the first taper cone pulley 51, its concrete corresponding relation is that the first friction pulley 53 and the first taper cone pulley 51 are tangent, the second friction pulley 54 is corresponding with the second taper cone pulley 52, its concrete corresponding relation is that the first friction pulley 53 and the first taper cone pulley 51 are tangent, and the second friction pulley 54 passes through the 57 coaxial settings of the first connecting axle with the first friction pulley 53.
By above-mentioned structure, when power after 40 inputs of left lateral travelling wheel 30 or right lateral travelling wheel, rely on the frictional force between taper cone pulley and the friction pulley to be delivered to an other side, and the gear ratio in the left and right sides is when identical, the synchronized rotation of left and right road wheel, wheelchair is kept straight on.Thereby can make things convenient for hemiptegic or a side limbs impaired to take full advantage of own healthy side limbs and easily promote the wheelchair craspedodrome.
Easily control wheelchair and turn in order to make things convenient for hemiptegic or a side limbs impaired to take full advantage of own healthy side limbs, wheelchair also comprise one with the first friction pulley 53 be connected that friction pulley 54 connects to change the first friction pulley 53 and the first taper cone pulley 51 corresponding point of contacts and change the second friction pulley 54 and the second taper cone pulley 52 corresponding point of contacts turn to Control Component 60.
In conjunction with consulting Fig. 5 to Fig. 9, turn to Control Component 60 to comprise steering lever 61 and drawing article 62.Steering lever 61 and the first friction pulley 53 be connected friction pulley 54 and be connected, its concrete annexation can be structure as shown in Figure 8: turning-bar thick stick 61 is connected (this first connecting axle 57 is for making the axle of the first friction pulley 53 and the 54 coaxial settings of the second friction pulley) by the second connecting axle 70 with the first connecting axle 57.Drawing article 62 is connected with pedal 10 and is connected with steering lever 61, in the present embodiment, drawing article 62 is stay cord, stay cord is two, wherein an end of a stay cord 621 is connected in the front portion (front portion herein is relative vehicle frame 20) of pedal 10, and the other end is connected in close the first friction pulley 53 sides on the turning-bar bar 61; One end of another root stay cord 622 is connected in the rear portion of pedal 10, and the other end is connected in close the second friction pulley 54 sides on the steering lever 61.
In order to make things convenient for the setting of stay cord, turn to Control Component 60 also to comprise and one be arranged on 63, two stay cords 621 of stay cord guide on the vehicle frame 20, this stay cord guide 63 is passed respectively at 622 middle part.In addition, relevant two stay cords 621,622 two ends spacing realizes that by outer spacing the 65, second stay cord outer spacing 66 of the first stay cord this first stay cord outer spacing 65 and this second stay cord outer spacing 66 are separately positioned on the vehicle frame 20.
Further, turn to Control Component 60 also to include steering lever return unit 64(and see Fig. 9), these steering lever return unit 64 1 ends are arranged on the steering lever 61, and the other end is arranged on the vehicle frame 20, in the present embodiment, steering lever return unit 64 comprises two springs 641,642.
By the above-mentioned setting that turns to Control Component 60, turning to of wheelchair can be easily by foot control system, user is stepped on the drive stay cord by front (afterwards) of foot steering force is delivered to steering lever 61, with moment amplification, and then act on the friction pulley 53,54 that turns to of control, change friction pulley 53,54 and taper cone pulley 51,52 point of contact, thereby change the speed of left and right sides road wheel, realize turning to.
The second embodiment
Consult Fig. 3, the main distinction of the present embodiment and the first embodiment is: on the basis of the first embodiment, increased by a speed increasing mechanism 80, force transfer mechanism 50 arranges near left lateral travelling wheel 30, and speed increasing mechanism 80 can be consulted Fig. 4 by a train gripper shoe 90() be arranged between force transfer mechanism 50 and the right lateral travelling wheel 40.This speed increasing mechanism 80 is a chain-drive mechanism, this chain-drive mechanism comprises the first chain kit and the second chain kit, wherein, the first chain kit comprises the first sprocket wheel 81, the second sprocket wheel 82 and is arranged on the first chain 83, the first sprocket wheels 81 on the first sprocket wheel 81, the second sprocket wheel 82 by the 3rd connecting axle 87 and the 52 coaxial settings of the second taper cone pulley; The second chain kit comprises the 3rd sprocket wheel 84, the 4th sprocket wheel 85 and is arranged on the second chain 86 on the 3rd sprocket wheel 84, the 4th sprocket wheel 85, the 4th sprocket wheel 85 passes through the 89 coaxial settings of the 5th connecting axle with right lateral travelling wheel 40, and the second sprocket wheel 82 passes through the 88 coaxial settings of the 4th connecting axle with the 3rd sprocket wheel 84.In order to guarantee the second taper cone pulley 52 and the 40 concentric settings of right lateral travelling wheel, the 3rd connecting axle 87 and the 5th connecting axle 89 roughly are arranged on the same straight line, roughly same straight line herein refers to the 3rd connecting axle 87 and the 5th connecting axle 89 satisfies certain axiality requirement.
Setting by speed increasing mechanism 80, after power is inputted from left lateral travelling wheel 30, first by taper cone pulley 51,52 and friction pulley 53,54 speed is delivered to opposite side at 1: 1, and then by speed increasing mechanism 80 raising speeds, at this time right lateral travelling wheel 40 is larger than left lateral travelling wheel 30 speed, thus the realization that has made things convenient for wheelchair to turn left.
In the present embodiment, add speed increasing mechanism 80 not only can limit gear ratio within the rational scope (when the gear ratio of taper cone pulley and friction pulley is excessive, can lower by sprocket wheel), and conveniently manual wheelchair is adapted as electric wheelchair, satisfy more people's demand.
The 3rd embodiment
Consult Fig. 4, the present embodiment and the second embodiment are roughly the same, also increased by a speed increasing mechanism 80 on the basis of the first embodiment, but the main distinction of the present embodiment and the second embodiment is: force transfer mechanism 50 arranges near right lateral travelling wheel 40, and the second taper cone pulley 52 is by right hand wheel shaft 55 ＇ and the 40 coaxial settings of right lateral travelling wheel.Speed increasing mechanism 80 is arranged between force transfer mechanism 50 and the left lateral travelling wheel 30 by train gripper shoe 90, this speed increasing mechanism 80 is a chain-drive mechanism, this chain-drive mechanism comprises the first chain kit and the second chain kit, wherein, the first chain kit comprises the first sprocket wheel 81, the second sprocket wheel 82 and is arranged on the first chain 83, the first sprocket wheels 81 on the first sprocket wheel 81, the second sprocket wheel 82 by the 3rd connecting axle 87 ＇ and the 51 coaxial settings of the first taper cone pulley; The second chain kit comprises the 3rd sprocket wheel 84, the 4th sprocket wheel 85 and is arranged on the second chain 86 on the 3rd sprocket wheel 84, the 4th sprocket wheel 85, the 4th sprocket wheel 85 passes through the coaxial setting of the 5th connecting axle 89 ＇ with left lateral travelling wheel 30, and the second sprocket wheel 82 passes through the 88 coaxial settings of the 4th connecting axle with the 3rd sprocket wheel 84.In order to guarantee the first taper cone pulley 51 and the 30 concentric settings of left lateral travelling wheel, the 3rd connecting axle 87 ＇ and the 5th connecting axle 89 ＇ roughly are arranged on the same straight line, roughly same straight line herein refers to the 3rd connecting axle 87 ＇ and the 5th connecting axle 89 ＇ satisfy certain axiality requirement.
Setting by speed increasing mechanism 80, after power is inputted from right lateral travelling wheel 40, first by taper cone pulley 51,52 and friction pulley 53,54 speed is delivered to opposite side at 1: 1, and then by speed increasing mechanism 80 raising speeds, at this time left lateral travelling wheel 30 is larger than right lateral travelling wheel 40 speed, thus the realization that has made things convenient for wheelchair to turn right.
In the present embodiment, add speed increasing mechanism 80 not only can limit gear ratio within the rational scope (when the gear ratio of taper cone pulley and friction pulley is excessive, can lower by sprocket wheel), and conveniently manual wheelchair is adapted as electric wheelchair, satisfy more people's demand.
Certainly; this utility model also can have other various embodiments; in the situation that do not deviate from this utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to this utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of this utility model.
Claims (10)
1. a wheelchair comprises pedal, and vehicle frame is separately positioned on the left and right road wheel that the relatively described vehicle frame in vehicle frame both sides can rotate freely, and is installed in the force transfer mechanism between the left and right road wheel, it is characterized in that, described force transfer mechanism comprises:
The first taper cone pulley arranges with described left lateral travelling wheel concentric;
The second taper cone pulley arranges with described right lateral travelling wheel concentric;
The first friction pulley is corresponding with described the first taper cone pulley; And
The second friction pulley, corresponding with described the second taper cone pulley, and with the coaxial setting of described the first friction pulley;
Wherein, described wheelchair also comprise one with described the first friction pulley be connected the second friction pulley and connect to change the first friction pulley and the corresponding point of contact of the first taper cone pulley and change the Control Component that turns at the second friction pulley and the corresponding point of contact of the second taper cone pulley.
2. wheelchair according to claim 1 is characterized in that, the described Control Component that turns to comprises:
Steering lever, with described the first friction pulley be connected the second friction pulley and be connected; And
Drawing article is connected with described pedal and is connected with described steering lever.
3. wheelchair according to claim 2, it is characterized in that, described drawing article is stay cord, and described stay cord is two, wherein an end of a stay cord is connected in the front portion of described pedal, and the other end is connected in close described the first friction pulley side on the described turning-bar bar; One end of another root stay cord is connected in the rear portion of described pedal, and the other end is connected in close described the second friction pulley side on the described steering lever.
4. wheelchair according to claim 3 is characterized in that, the described Control Component that turns to comprises that also one is arranged on the stay cord guide on the described vehicle frame, and described stay cord guide is passed respectively at the middle part of described two stay cords.
5. wheelchair according to claim 2 is characterized in that, described turning-bar thick stick is connected with one first connecting axle by one second connecting axle, and described the first connecting axle is the axle that makes described the first friction pulley and the coaxial setting of described the second friction pulley.
6. wheelchair according to claim 2 is characterized in that, the described Control Component that turns to also includes the steering lever return unit, and described steering lever return unit one end is arranged on the described steering lever, and the other end is arranged on the described vehicle frame.
7. the described wheelchair of any one according to claim 1-6, it is characterized in that, described wheelchair also comprises a speed increasing mechanism, and described force transfer mechanism arranges near described left lateral travelling wheel, and described speed increasing mechanism is arranged between described force transfer mechanism and the described right lateral travelling wheel by a train gripper shoe.
8. wheelchair according to claim 7 is characterized in that, described speed increasing mechanism is a chain-drive mechanism, and described chain-drive mechanism comprises:
The first chain kit, it comprises the first sprocket wheel, the second sprocket wheel and is arranged on the first chain on the first sprocket wheel, the second sprocket wheel, described the first sprocket wheel and the coaxial setting of described the second taper cone pulley; And
The second chain kit, it comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on the second chain on the 3rd sprocket wheel, the 4th sprocket wheel, described the 4th sprocket wheel and the coaxial setting of described right lateral travelling wheel.
9. the described wheelchair of any one according to claim 1-6, it is characterized in that, described wheelchair also comprises a speed increasing mechanism, and described force transfer mechanism arranges near described right lateral travelling wheel, and described speed increasing mechanism is arranged between described force transfer mechanism and the described left lateral travelling wheel by a train gripper shoe.
10. wheelchair according to claim 9 is characterized in that, described speed increasing mechanism is a chain-drive mechanism, and described chain-drive mechanism comprises:
The first chain kit, it comprises the first sprocket wheel, the second sprocket wheel and is arranged on the first chain on the first sprocket wheel, the second sprocket wheel, described the first sprocket wheel and the coaxial setting of described the first taper cone pulley; And
The second chain kit, it comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on the second chain on the 3rd sprocket wheel, the 4th sprocket wheel, described the 4th sprocket wheel and the coaxial setting of described left lateral travelling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209595 CN202654331U (en) | 2012-05-11 | 2012-05-11 | Wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209595 CN202654331U (en) | 2012-05-11 | 2012-05-11 | Wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654331U true CN202654331U (en) | 2013-01-09 |
Family
ID=47449275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220209595 Withdrawn - After Issue CN202654331U (en) | 2012-05-11 | 2012-05-11 | Wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670359A (en) * | 2012-05-11 | 2012-09-19 | 北京电子科技职业学院 | Wheel chair |
-
2012
- 2012-05-11 CN CN 201220209595 patent/CN202654331U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670359A (en) * | 2012-05-11 | 2012-09-19 | 北京电子科技职业学院 | Wheel chair |
| CN102670359B (en) * | 2012-05-11 | 2015-01-07 | 北京电子科技职业学院 | Wheel chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20150107 |
|
| RGAV | Abandon patent right to avoid regrant |