CN207666826U - Step-less adjustment wheeled walking aids - Google Patents
Step-less adjustment wheeled walking aids Download PDFInfo
- Publication number
- CN207666826U CN207666826U CN201720607858.3U CN201720607858U CN207666826U CN 207666826 U CN207666826 U CN 207666826U CN 201720607858 U CN201720607858 U CN 201720607858U CN 207666826 U CN207666826 U CN 207666826U
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- China
- Prior art keywords
- supporting rod
- fixed
- support bar
- auxiliary support
- universal wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of step-less adjustment wheeled walking aids, including chassis, supporting rack and armrest support；The utility model use motor driving, can by realize advance, retreat, turn left, turn right, accelerate, slow down, then enable decelerating motor, achieve the effect that quickly to adjust machine height to adapt to human body, reached reduce manually, put forward efficient effect.Fixed pulley is used, oxter supporting rod can be made orderly to move, keeps human body in machine middle, is suitable for the effect of more patient's difference figures.The utility model can greatly reduce dependence of the patient to other people, improve the efficiency of rehabilitation training compared with current existing walking rehabilitation machine, more adapt to home for destitute, hospital etc. and largely need to be the crowd of leg rehabilitation training.
Description
Technical field
The utility model belongs to rehabilitation mechanical field more particularly to a kind of being suitble to various figures, infinitely variable health
It answers a pager's call device.
Background technology
As in following 40 years, Chinese aging trend is significantly increased, and it is disabled caused by various improper factors
Population is being continuously increased, and major part can be by rehabilitation training or the support of machinery in these people, and independent or part is independent
Walking, to have basic self-care ability, to mitigate society burden.It can be seen that the research of walk helper is not only
It is of great significance to society, and objective development prospect will be had.
The 1960s, the country such as Yugoslavia began to the research work of external force-type paraplegia walking vehicle, and developed
Make of gas and liquid the model machine of the walking devices of power source.It studies successfully in Tsinghua University's rehabilitation project nineties research center
The single-degree-of-freedom doublejointed walking devices that are directly driven by a motor.The exploitation design of present walk helper is still in the starting stage,
Many products cannot meet all kinds of consumer demands on the market, and Product Safety is extremely difficult to require with effect.
Invention content
The utility model is in view of the deficiencies of the prior art, it is proposed that a kind of step-less adjustment wheeled walking aids.
A kind of step-less adjustment wheeled walking aids, including chassis, supporting rack and armrest support；
The chassis includes the first universal wheel supporting rod, the second universal wheel supporting rod, inflated wheel supporting rod, the first shaft coupling
Device, second shaft coupling, first motor, the second motor, the first universal wheel, the second universal wheel, the first inflated wheel and the second inflated wheel；
The first universal wheel supporting rod and the second universal wheel supporting rod is vertical with inflated wheel supporting rod respectively to be fixed, the
The output shaft of one motor by first shaft coupling with connect the first inflated wheel, the output shaft of the second motor by second shaft coupling with
The second inflated wheel is connected, first motor, the second motor are fixed on by motor fixing plate below inflated wheel supporting rod；Described
The first universal wheel fixed seat, the second universal wheel branch are equipped with below the other end that one universal wheel supporting rod is connect with inflated wheel supporting rod
It is equipped with the second universal wheel fixed seat below the other end that strut is connect with inflated wheel supporting rod, is set below the first universal wheel fixed seat
There is the first universal wheel, the second universal wheel is equipped with below the second universal wheel fixed seat；
The armrest support includes a rectangular frame being made of four top booms, the first upper arm supporting rod, second
Upper arm supporting rod, four fixed pulleys and four ropes；
First top boom and second winds up the first parallel with inflated wheel supporting rod, described upper arm supporting rod of pole stock
Both ends be separately positioned on the first top boom and the second top boom, the both ends of the second upper arm supporting rod are separately positioned on first
On chord member and the second top boom, the first upper arm supporting rod and the second upper arm supporting rod can be in this two top boom upper edge inflated wheels
Supporting rod length direction slides；First fixed pulley, the second fixed pulley are fixed on third top boom, and third fixed pulley, the 4th determine
Pulley is fixed on the 4th top boom；One end of first rope is fixed on the first upper arm supporting rod, the other end of the first rope
It being fixed on the second upper arm supporting rod around the first fixed pulley, one end of the second rope is fixed on the second upper arm supporting rod, the
The other end of two ropes is fixed to around the second fixed pulley on the first upper arm supporting rod, and one end of third rope is fixed on first
On arm supporting rod, the other end of third rope is fixed to around third fixed pulley on the second upper arm supporting rod, and the one of the 4th rope
End is fixed on the second upper arm supporting rod, and the other end of the 4th rope is fixed to the first upper arm supporting rod around the 4th fixed pulley
On；
It is respectively equipped with the first supporting rack and second on the first universal wheel supporting rod and the second universal wheel supporting rod
Support；First supporting rack and the second support frame structure are identical；
Wherein the first supporting rack includes the first trough of belt supporting rack, the second trough of belt supporting rack, third trough of belt supporting rack, the 4th band
Slot supporting rack, third motor, the first sliding block, the second sliding block, the first auxiliary support bar, the second auxiliary support bar, third auxiliary branch
Strut, the 4th auxiliary support bar, the 5th auxiliary support bar, the 6th auxiliary support bar, the 7th auxiliary support bar, third shaft coupling and
Three motor bases；
The output shaft of the third motor is connect by third shaft coupling with lead screw, and lead screw is externally provided with lead screw sleeve, the
Between three shaft couplings and lead screw sleeve be equipped with the first sliding block, can be free to slide between the first sliding block and lead screw, the first nut with
Second nut clip is in the first sliding block both sides and is fixed on leading screw；The second sliding block is fixedly installed in the end of lead screw sleeve, the
Three motors are fixed on third motor base, and third motor base is fixedly connected with the first sliding block；The one of first trough of belt supporting rack
End is flexibly connected with one end of the first universal wheel supporting rod, is fixed with respectively on two faces vertical with leading screw on the first sliding block
First limit protrusion and third limit protrusion, the first limit protrusion are stuck in the sliding slot of the first trough of belt supporting rack, the second trough of belt branch
One end of support is flexibly connected with the other end of the first universal wheel supporting rod, is divided on two faces vertical with leading screw on the second sliding block
It is not fixed with the 4th limit protrusion of the second limit protrusion, the second limit protrusion is stuck in the sliding slot of the second trough of belt supporting rack；
Top is set there are two intermeshing gear in the middle part of first universal wheel supporting rod, and one of gear and first assists
One end of supporting rod is fixedly connected, another gear is fixedly connected with one end of the second auxiliary support bar, the first auxiliary support bar,
The other end of second auxiliary support bar is successively set on the first sliding block, in the second slider bottom groove, and the first sliding block and second is slided
Block bottom groove diameter is more than the outer diameter of the first auxiliary support bar, the second auxiliary support bar；One end of third trough of belt supporting rack with
One end of 4th top boom is flexibly connected, and third limit protrusion is stuck in the sliding slot of third trough of belt supporting rack, the 4th trough of belt branch
One end of support is flexibly connected with the other end of the 4th top boom, and the 4th limit protrusion is stuck in the sliding slot of the 4th trough of belt supporting rack
Interior, middle part lower section is set there are two intermeshing gear on the 4th top boom, one of gear and third auxiliary support bar
One end is fixedly connected, another gear is fixedly connected with one end of the 4th auxiliary support bar, third auxiliary support bar, the 4th auxiliary
The other end of supporting rod is successively set on the first sliding block, in the second slider top portion groove, the first sliding block and the second slider top
Portion's groove diameter is more than the outer diameter of third auxiliary support bar, the 4th auxiliary support bar；
It is fixedly connected in the middle part of one end of 5th auxiliary support bar and the first trough of belt supporting rod, the other end and inflation
Take turns flexible connection in the middle part of supporting rod；It is fixedly connected in the middle part of one end of 6th auxiliary support bar and third trough of belt supporting rod, it is another
It is flexibly connected in the middle part of end and the first top boom, one end of the 7th auxiliary support bar is fixed with the middle part of the 4th trough of belt supporting rod to be connected
It connects, is flexibly connected in the middle part of the other end and the second top boom.
The main advantageous effect of the utility model is:Motor driving is used, can be advanced realizing, be retreated, turn left, it is right
Turn, accelerate, slows down, then enable decelerating motor, achieve the effect that quickly to adjust machine height to adapt to human body, reached and subtracted
It is few artificial, put forward efficient effect.Use fixed pulley, oxter supporting rod can be made orderly to move, keep human body machine just
Centre is suitable for the effect of more patient's difference figures.The utility model is compared with current existing walking rehabilitation machine, energy
Enough greatly reduce dependence of the patient to other people, improve the efficiency of rehabilitation training, more adapts to home for destitute, hospital etc. and largely need to do leg
The crowd of portion's rehabilitation training.
Description of the drawings
Fig. 1 is the axonometric schematic diagram of the utility model；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the left view of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail：
As shown in Figure 1, Figure 2, shown in Fig. 3 Fig. 4, a kind of step-less adjustment wheeled walking aids, including chassis, supporting rack and handrail branch
Frame；
The chassis includes the first universal wheel supporting rod 11, the second universal wheel supporting rod 24, inflated wheel supporting rod 13, the
One shaft coupling 27, second shaft coupling 28, first motor 29, the second motor 30, the first universal wheel 10, the second universal wheel 43, first
Inflated wheel 12 and the second inflated wheel 14；
The first universal wheel supporting rod 11 and the second universal wheel supporting rod 24 is vertical with inflated wheel supporting rod solid respectively
Fixed 13, the output shaft of first motor 29 by first shaft coupling 27 with connect the first inflated wheel 12, the output shaft of the second motor 30
It is fixed on by motor fixing plate by second shaft coupling 28 with the second inflated wheel 14, first motor 29, the second motor 30 is connect
13 lower section of inflated wheel supporting rod；It is set below the other end that the first universal wheel supporting rod 11 is connect with inflated wheel supporting rod 13
There is the first universal wheel fixed seat, second is equipped with below the other end that the second universal wheel supporting rod 24 is connect with inflated wheel supporting rod 13
Universal wheel fixed seat is equipped with the first universal wheel 10 below the first universal wheel fixed seat, and the is equipped with below the second universal wheel fixed seat
Two universal wheels 43；
The armrest support includes a rectangular frame being made of four top booms, the first upper arm supporting rod, second
Upper arm supporting rod, four fixed pulleys and four ropes；
First top boom 3 and 5 material of the second top boom is parallel with inflated wheel supporting rod, first upper arm support
The both ends of bar 1 are separately positioned on the first top boom and the second top boom, and the both ends of the second upper arm supporting rod 2 are also set, respectively on
On first top boom and the second top boom, the first upper arm supporting rod 1 and the second upper arm supporting rod 2 can be on this two top booms
It is slided along inflated wheel supporting rod length direction；First fixed pulley 31, the second fixed pulley 32 are fixed on third top boom 4, third
Fixed pulley 33, the 4th fixed pulley 24 are fixed on the 4th top boom 6；One end of first rope 35 is fixed on the first upper arm supporting rod
On 1, the other end of the first rope 35 is fixed to around the first fixed pulley 33 on the second upper arm supporting rod 2, and the one of the second rope 36
End is fixed on the second upper arm supporting rod 2, and the other end of the second rope supports around the second fixed pulley 32 fixed to the first upper arm
On bar, one end of third rope 37 is fixed on the first upper arm supporting rod, and the other end of third rope bypasses third fixed pulley 33
Fixed on the second upper arm supporting rod, one end of the 4th rope 38 is fixed on the second upper arm supporting rod, the 4th rope it is another
End is fixed to around the 4th fixed pulley 34 on the first upper arm supporting rod；
The first supporting rack and are respectively equipped on the first universal wheel supporting rod 11 and the second universal wheel supporting rod 24
Two supporting racks；First supporting rack and the second support frame structure are identical；
Wherein the first supporting rack include the first trough of belt supporting rack 18, the second trough of belt supporting rack 9, third trough of belt supporting rack 26,
4th trough of belt supporting rack 8, third motor 23, the first sliding block 39, the second sliding block 20, the first auxiliary support bar 16, second auxiliary branch
Strut 17, third auxiliary support bar 21, the 4th auxiliary support bar 22, the 5th auxiliary support bar 15, the 6th auxiliary support bar 25,
Seven auxiliary support bars 7, third shaft coupling 40 and third motor base 42；
The output shaft of the third motor 23 is connect by third shaft coupling 40 with lead screw 41, and lead screw is externally provided with screw rod bushing
Cylinder 19 is equipped with the first sliding block 39 between third shaft coupling 40 and lead screw sleeve 19, can be certainly between the first sliding block 39 and lead screw 41
By sliding, the first nut and the second nut clip in the first sliding block both sides and are fixed on leading screw 41；The end of lead screw sleeve 19
The second sliding block 20 of end fixed setting, third motor 23 are fixed on third motor base 42, and third motor base 42 and first is slided
Block 39 is fixedly connected；One end of first trough of belt supporting rack 18 is flexibly connected with one end of the first universal wheel supporting rod, the first sliding block
It is fixed with the first limit protrusion and third limit protrusion, the first limit convex card lifting on 39 on two faces vertical with leading screw respectively
In the sliding slot of the first trough of belt supporting rack 18, the other end of one end of the second trough of belt supporting rack 9 and the first universal wheel supporting rod 11
It is flexibly connected, the 4th limit convex of the second limit protrusion is fixed with respectively on two faces vertical with leading screw on the second sliding block 20
It rises, the second limit protrusion is stuck in the sliding slot of the second trough of belt supporting rack 9；
Top is set there are two intermeshing gear in the middle part of first universal wheel supporting rod, and one of gear and first assists
One end of supporting rod 16 is fixedly connected, another gear is fixedly connected with one end of the second auxiliary support bar 17, the first auxiliary branch
Strut, the second auxiliary support bar the other end be successively set on the first sliding block, in the second slider bottom groove, the first sliding block and
Two slider bottom groove diameters are more than the outer diameter of the first auxiliary support bar, the second auxiliary support bar；Third trough of belt supporting rack 26
One end is flexibly connected with one end of the 4th top boom 6, and third limit protrusion is stuck in the sliding slot of third trough of belt supporting rack, and the 4th
One end of trough of belt supporting rack 8 is flexibly connected with the other end of the 4th top boom 6, and the 4th limit protrusion is stuck in the 4th trough of belt supporting rack
Sliding slot in, middle part lower section is set there are two intermeshing gear on the 4th top boom, and one of gear is assisted with third
One end of supporting rod is fixedly connected, another gear is fixedly connected with one end of the 4th auxiliary support bar, third auxiliary support bar
21, the other end of the 4th auxiliary support bar 22 is successively set on the first sliding block, in the second slider top portion groove, the first sliding block with
Second slider top portion groove diameter is more than the outer diameter of third auxiliary support bar, the 4th auxiliary support bar；
One end of 5th auxiliary support bar 15 is fixedly connected with the middle part of the first trough of belt supporting rod 18, the other end with
Flexible connection in the middle part of inflated wheel supporting rod；One end of 6th auxiliary support bar 25 is fixed with the middle part of third trough of belt supporting rod to be connected
It connects, is flexibly connected in the middle part of the other end and the first top boom, the middle part of one end and the 4th trough of belt supporting rod of the 7th auxiliary support bar 7
It is fixedly connected, is flexibly connected in the middle part of the other end and the second top boom.
The operating procedure of the utility model is：
Step 1：Realize that patient's independent operation enters machine.Two inflated wheels are installed, two universal wheels pass through on device
Microcontroller controls the forward or reverse of two driving motors of inflated wheel, so that machine forward-reverse, when inflation wheel speed is identical,
Machine does not deflect movement, when inflating wheel speed difference, realizes that machine turns left to turn right.Therefore first motor and the are controlled first
Two motor speeds are identical, and machine is moved the machine to by patient's remote control above patient；Third motor drives 41 turns of lead screw
It is dynamic, so that armrest support is fallen.Patient is clipped between the first upper arm supporting rod 1 and the second upper arm supporting rod 2, then is moved up
A distance, last Patient controlled machine remove standing place.Patient's independent operation is completed at this time and enters machine.
Step 2：Realize that patient completes alone rehabilitation training.Patient enters after machine, two first motors of Patient controlled
It is identical with the second motor steering or on the contrary, the real rehabilitation training taken a step backward forward, controls first motor and the second motor is different,
Realize that patient sells the rehabilitation training of step to from left to right.
Step 3：Realize that patient comes out from device for rehabilitation alone.Patients ' recovery training after the completion of, Patient controlled first motor and
Second motor makes machine return to wheelchair, and patient operates third motor and realizes that patient returns the action for sitting on wheelchair, controls armrest support
It rises, and remote control machine returns to original position.
Claims (1)
1. step-less adjustment wheeled walking aids, including chassis, supporting rack and armrest support；It is characterized in that：
The chassis include the first universal wheel supporting rod, the second universal wheel supporting rod, inflated wheel supporting rod, first shaft coupling,
Second shaft coupling, first motor, the second motor, the first universal wheel, the second universal wheel, the first inflated wheel and the second inflated wheel；
The first universal wheel supporting rod and the second universal wheel supporting rod is vertical with inflated wheel supporting rod respectively to be fixed, the first electricity
The output shaft of machine by first shaft coupling with connect the first inflated wheel, the output shaft of the second motor by second shaft coupling with connect
Second inflated wheel, first motor, the second motor are fixed on by motor fixing plate below inflated wheel supporting rod；Described the 10000th
It is equipped with the first universal wheel fixed seat, the second universal wheel supporting rod below the other end being connect to wheel supporting rod with inflated wheel supporting rod
It is equipped with the second universal wheel fixed seat below the other end that is connect with inflated wheel supporting rod, the is equipped with below the first universal wheel fixed seat
One universal wheel, the second universal wheel fixed seat lower section are equipped with the second universal wheel；
The armrest support includes a rectangular frame being made of four top booms, the first upper arm supporting rod, the second upper arm
Supporting rod, four fixed pulleys and four ropes；
First top boom and second pole stock that winds up is parallel with inflated wheel supporting rod, and the two of the first upper arm supporting rod
End is separately positioned on the first top boom and the second top boom, and the both ends of the second upper arm supporting rod are separately positioned on the first top boom
On the second top boom, the first upper arm supporting rod and the second upper arm supporting rod can be in this two top boom upper edge inflated wheel supports
It slides in pole length direction；First fixed pulley, the second fixed pulley are fixed on third top boom, third fixed pulley, the 4th fixed pulley
It is fixed on the 4th top boom；One end of first rope is fixed on the first upper arm supporting rod, and the other end of the first rope bypasses
First fixed pulley is fixed on the second upper arm supporting rod, and one end of the second rope is fixed on the second upper arm supporting rod, the second rope
The other end of rope is fixed to around the second fixed pulley on the first upper arm supporting rod, and one end of third rope is fixed on the first upper arm branch
On strut, the other end of third rope is fixed to around third fixed pulley on the second upper arm supporting rod, and one end of the 4th rope is solid
It is scheduled on the second upper arm supporting rod, the other end of the 4th rope is fixed to around the 4th fixed pulley on the first upper arm supporting rod；
It is respectively equipped with the first supporting rack and the second supporting rack on the first universal wheel supporting rod and the second universal wheel supporting rod；
First supporting rack and the second support frame structure are identical；
Wherein the first supporting rack includes the first trough of belt supporting rack, the second trough of belt supporting rack, third trough of belt supporting rack, the 4th trough of belt branch
Support, third motor, the first sliding block, the second sliding block, the first auxiliary support bar, the second auxiliary support bar, third auxiliary support bar,
4th auxiliary support bar, the 5th auxiliary support bar, the 6th auxiliary support bar, the 7th auxiliary support bar, third shaft coupling and third electricity
Machine base；
The output shaft of the third motor is connect by third shaft coupling with lead screw, and lead screw is externally provided with lead screw sleeve, third connection
The first sliding block is equipped between axis device and lead screw sleeve, can be free to slide between the first sliding block and lead screw, the first nut and second
Nut clip is in the first sliding block both sides and is fixed on leading screw；The second sliding block, third electricity is fixedly installed in the end of lead screw sleeve
Machine is fixed on third motor base, and third motor base is fixedly connected with the first sliding block；One end of first trough of belt supporting rack with
One end of first universal wheel supporting rod is flexibly connected, and first is fixed with respectively on two faces vertical with leading screw on the first sliding block
Limit protrusion and third limit protrusion, the first limit protrusion are stuck in the sliding slot of the first trough of belt supporting rack, the second trough of belt supporting rack
One end be flexibly connected with the other end of the first universal wheel supporting rod, it is solid respectively on two faces vertical with leading screw on the second sliding block
Surely it is equipped with the 4th limit protrusion of the second limit protrusion, the second limit protrusion is stuck in the sliding slot of the second trough of belt supporting rack；
Intermeshing gear, one of gear and the first Auxiliary support there are two being set above in the middle part of first universal wheel supporting rod
One end of bar is fixedly connected, another gear is fixedly connected with one end of the second auxiliary support bar, the first auxiliary support bar, second
The other end of auxiliary support bar is successively set on the first sliding block, in the second slider bottom groove, the first sliding block and the second sliding block bottom
Portion's groove diameter is more than the outer diameter of the first auxiliary support bar, the second auxiliary support bar；One end and the 4th of third trough of belt supporting rack
One end of top boom is flexibly connected, and third limit protrusion is stuck in the sliding slot of third trough of belt supporting rack, the 4th trough of belt supporting rack
One end is flexibly connected with the other end of the 4th top boom, and the 4th limit protrusion is stuck in the sliding slot of the 4th trough of belt supporting rack, and the 4th
Intermeshing gear there are two being set below middle part on top boom, one end of one of gear and third auxiliary support bar is fixed
Connection, another gear are fixedly connected with one end of the 4th auxiliary support bar, third auxiliary support bar, the 4th auxiliary support bar
The other end is successively set on the first sliding block, in the second slider top groove, and the first sliding block and the second slider top groove diameter are big
In third auxiliary support bar, the outer diameter of the 4th auxiliary support bar；
It is fixedly connected in the middle part of one end of 5th auxiliary support bar and the first trough of belt supporting rod, the other end and inflated wheel branch
Flexible connection in the middle part of strut；Be fixedly connected in the middle part of one end of 6th auxiliary support bar and third trough of belt supporting rod, the other end with
It is flexibly connected, is fixedly connected in the middle part of one end of the 7th auxiliary support bar and the 4th trough of belt supporting rod, separately in the middle part of first top boom
It is flexibly connected in the middle part of one end and the second top boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607858.3U CN207666826U (en) | 2017-05-27 | 2017-05-27 | Step-less adjustment wheeled walking aids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607858.3U CN207666826U (en) | 2017-05-27 | 2017-05-27 | Step-less adjustment wheeled walking aids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207666826U true CN207666826U (en) | 2018-07-31 |
Family
ID=62952821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720607858.3U Expired - Fee Related CN207666826U (en) | 2017-05-27 | 2017-05-27 | Step-less adjustment wheeled walking aids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207666826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041828A (en) * | 2017-05-27 | 2017-08-15 | 杭州电子科技大学 | A kind of step-less adjustment wheeled walking aids |
-
2017
- 2017-05-27 CN CN201720607858.3U patent/CN207666826U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041828A (en) * | 2017-05-27 | 2017-08-15 | 杭州电子科技大学 | A kind of step-less adjustment wheeled walking aids |
| CN107041828B (en) * | 2017-05-27 | 2023-10-13 | 杭州电子科技大学 | Stepless regulation walking rehabilitation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180731 Termination date: 20210527 |