CN102072289B - Reducer with changeable transmission ratio - Google Patents
Reducer with changeable transmission ratio Download PDFInfo
- Publication number
- CN102072289B CN102072289B CN 201110030604 CN201110030604A CN102072289B CN 102072289 B CN102072289 B CN 102072289B CN 201110030604 CN201110030604 CN 201110030604 CN 201110030604 A CN201110030604 A CN 201110030604A CN 102072289 B CN102072289 B CN 102072289B
- Authority
- CN
- China
- Prior art keywords
- gear
- driving gear
- brake axle
- duplicate
- speed reducer
- Prior art date
- 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
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a reducer with a changeable transmission ratio. A speed shifting mechanism is arranged in the reducer and the reducer comprises a brake shaft arranged in a chassis, a pair of dual gears is arranged on the brake shaft through bearings, each dual gear consists of a large gear and an opinion, a third transmission gear is arranged on the brake shaft between the pair of dual gears through a connecting key and is engaged with an internal gear, the outer wall of the internal gear is provided with an annular groove, the annular groove is provided with a shifting fork which is connected with an operating lever, and the operating lever is connected with the chassis through an operating lever base; and the internal gear is only engaged with the third transmission gear when the operating lever is arranged on the middle part, is engaged with the third transmission gear and the opinion of one dual gear respectively when the operating lever is arranged downward, and is engaged with the third transmission gear and the opinion of the other dual gear respectively when the operating lever is arranged upward. The reducer can change the transmission ratio, and also has the characteristics of simple structure and high transmission efficiency.
Description
Technical field
The present invention relates to a kind of speed reducing machinery, is specifically related to a kind of speed reducer that changes velocity ratio.
Background technique
The velocity ratio of existing most of speed reducers is changeless, but needs often to adjust the output speed of speed reducer in the occasion of many application speed reducers.Also there is the output speed can electrodeless variable-speed or the speed reducer of step change in the existing speed reducer, this class speed governing speed reducer mainly is the adjusting that realizes velocity ratio by the displacement of conical surface drive wheel and belt wheel, thereby or changes the velocity ratio of speed reducer by the movement between the driving gear of a plurality of different numbers of teeth.The complicated structure of above-mentioned speed governing speed reducer, volume is larger, and the manufacturing cost of product is higher, and transmission efficiency is lower simultaneously.Therefore, be necessary the structure of existing speed governing speed reducer is improved.
Summary of the invention
The object of the invention is to overcome the defective that exists in the prior art, design a kind of speed reducer that changes velocity ratio, this speed reducer both can change velocity ratio, have again simple in structure, the characteristics that transmission efficiency is high.
For achieving the above object, technological scheme of the present invention is a kind of speed reducer that changes velocity ratio of design, it is characterized in that, in described speed reducer, be provided with gear, described gear comprises the brake axle that is arranged in the cabinet, on described brake axle, be equipped with first by bearing, the second duplicate gear, described duplicate gear is made of a gearwheel and a small gear, with described first, two small gears in the second duplicate gear are installed relatively, described first, at described brake axle the 3rd driving gear is installed by connecting key between the second duplicate gear, described the 3rd driving gear is meshed with an internal gear, outer wall at described internal gear is provided with circular groove, at circular groove shift fork is housed, described shift fork is connected with operating handle, described operating handle is connected on the cabinet by operating rod bearing, described internal gear only was meshed with the 3rd driving gear when described operating handle arranged between two parties, described internal gear was meshed with small gear in the 3rd driving gear and the first duplicate gear respectively when described operating handle arranged downwards, and described internal gear was meshed with small gear in the 3rd driving gear and the second duplicate gear respectively when described operating handle upwards arranged.
Wherein, preferred technological scheme is also to be provided with power input shaft, pto＝power take-off and transmission shaft in described cabinet, the axis of described brake axle, power input shaft, pto＝power take-off and transmission shaft is positioned at same plane, and described power input shaft is mutually vertical with the axis of transmission shaft, and the axis of described brake axle, transmission shaft and pto＝power take-off is parallel to each other.
Preferred technological scheme also comprises, at an end of described power input shaft and a side of transmission shaft intermeshing a pair of umbrella gear is housed respectively, the 4th different driving gear of the number of teeth and the 5th driving gear also are housed respectively on described transmission shaft, described the 4th driving gear is meshed with gearwheel in the first duplicate gear, and described the 5th driving gear is meshed with gearwheel in the second duplicate gear.
Preferred technological scheme also comprises, the 6th driving gear also is housed on described brake axle, and described the 6th driving gear is meshed with the 7th driving gear on being installed in pto＝power take-off.
Preferred technological scheme also comprises, described pto＝power take-off is hollow shaft, is provided with keyway at the inwall of hollow shaft.
Preferably technological scheme also comprises, an end of described power input shaft and brake axle stretches out described cabinet, is provided with keyway at described external part.
Preferably technological scheme also comprises, described brake axle, power input shaft, pto＝power take-off and transmission shaft are contained in the described cabinet by bearing.
Preferably technological scheme also comprises, described first, second duplicate gear, internal gear, the 3rd driving gear, the 4th driving gear, the 5th driving gear, the 6th driving gear, the 7th driving gear are helical gear.
Preferably technological scheme also comprises, described shift fork is horizontally installed in the cabinet, and described operating handle vertically arranges, and an end of described operating handle is plugged in the attachment hole of described shift fork one end, and the other end reaches the upper end of cabinet by operating rod bearing.
Advantage of the present invention and beneficial effect are: this speed reducer is because the use of mobile internal gear, drive the change of internal gear position (upper, middle and lower) by operating handle and shift fork, rotating speed that both can the regulation moving power output shaft, making it have high speed, low speed and speed is zero output, has again compact structure, the characteristics that transmission efficiency is high.Because pto＝power take-off adopts the structure of hollow shaft, the volume of speed reducer is reduced again, weight saving, two its intensity truly have increase.
Description of drawings
Fig. 1 is that the master of speed reducer of the present invention looks schematic diagram;
Fig. 2 is one of A-A cross-sectional schematic of Fig. 1;
Fig. 3 be Fig. 1 the A-A cross-sectional schematic two;
Fig. 4 be Fig. 1 the A-A cross-sectional schematic three.
Among the figure: 1, cabinet; 2, brake axle; 3, bearing; 4, the first duplicate gear; 4-1, gearwheel; 4-2, small gear; 5, the second duplicate gear; 5-1, gearwheel; 5-2, small gear; 6, Lian Jian; 7, the 3rd driving gear; 8, internal gear; 9, circular groove; 10, shift fork; 11, operating handle; 12, operating rod bearing; 13, power input shaft; 14, pto＝power take-off; 15, transmission shaft; 16,17, umbrella gear; 18, the 4th driving gear; 19, the 5th driving gear; 20, the 6th driving gear; 21, the 7th driving gear.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technological scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
As shown in Figures 1 to 4, the present invention is a kind of speed reducer that changes velocity ratio, in speed reducer, be provided with a cover gear, described gear comprises and is arranged on the brake axle 2 that is used for braking in the cabinet 1, on described brake axle 2, by bearing 3 the first duplicate gear 4 is installed, the second duplicate gear 5, described duplicate gear is by a gearwheel 4-1,5-1 and a small gear 4-2,5-2 consists of, with described the first duplicate gear 4, two small gear 4-2 in the second duplicate gear 5,5-2 is installed in the middle part of brake axle 2 relatively, because at duplicate gear 4,5 and brake axle 2 between bearing is housed, so duplicate gear 4,5 can rotate with respect to brake axle 2; At described the first duplicate gear 4, at described brake axle 2 the 3rd driving gear 7 is installed by connecting key 6 between the second duplicate gear 5, described the 3rd driving gear 7 is meshed with an internal gear 8, both internal gear 8 was sleeved on the outside of the 3rd driving gear 7, outer wall at described internal gear 8 is provided with circular groove 9, at circular groove 9 shift fork 10 is housed, described shift fork 10 is connected with operating handle 11, described operating handle 11 is connected on the cabinet 1 by operating rod bearing 12, when described operating handle 11 8 of described internal gears when cabinet is positioned at the middle position are meshed with the 3rd driving gear 7, even this moment, power input shaft 13 rotated with transmission shaft 15, brake axle 2 can not rotate yet, when described operating handle 11 is positioned at downward position at cabinet, at this moment described internal gear 8 will be respectively be meshed with small gear 4-2 in the 3rd driving gear 7 and the first duplicate gear 4, when described operating handle 11 is positioned at upwards position at cabinet, at this moment described internal gear 8 will be respectively be meshed with small gear 5-2 in the 3rd driving gear 7 and the second duplicate gear 5.
Also be provided with power input shaft 13, pto＝power take-off 14 and transmission shaft 15 in the described cabinet 1 in the present invention, the axis of described brake axle 2, power input shaft 13, pto＝power take-off 14 and transmission shaft 15 is positioned at same plane, and described power input shaft 13 is mutually vertical with the axis of transmission shaft 15, and the axis of described brake axle 2, transmission shaft 15 and pto＝power take-off 14 is parallel to each other.Input an end of 13 axles and a side of transmission shaft 15 is equipped with respectively intermeshing a pair of umbrella gear 16,17 at described power, the 4th different driving gear 18 of the number of teeth and the 5th driving gear 19 also are housed respectively on described transmission shaft 15, described the 4th driving gear 18 is meshed with gearwheel 4-1 in the first duplicate gear 4, and described the 5th driving gear 19 is meshed with gearwheel 5-1 in the second duplicate gear 5.The 6th driving gear 20 also is housed on the brake axle 2 in described cabinet 1, and described the 6th driving gear 20 is meshed with the 7th driving gear 21 on being installed in pto＝power take-off 14.
Described pto＝power take-off 14 is hollow shaft in the present invention, is provided with keyway at the inwall of hollow shaft; This hollow shaft is used for the power input shaft of erection load machine.
An end of described power input shaft 13 and brake axle 2 stretches out respectively described cabinet 1 in the present invention, is respectively applied to be connected with motor with driving and be connected with braking device.Be provided with keyway at described power input shaft 13 and brake axle 2 at described external part.Wherein said brake axle 2, power input shaft 13, pto＝power take-off 14 and transmission shaft 15 are contained in the described cabinet 1 by bearing respectively.
Described the first duplicate gear 4, the second duplicate gear 5, internal gear 8, the 3rd driving gear 7, the 4th driving gear 18, the 5th driving gear 19, the 6th driving gear 20, the 7th driving gear 21 all can be helical gear in the present invention.
Described shift fork 10 can be horizontally installed in the cabinet 1 in the present invention, described operating handle 11 vertically can be arranged, an end of described operating handle 11 is plugged in the attachment hole of described shift fork 10 1 ends, the other end reaches the upper end of cabinet 1 by operating rod bearing 12.
The working principle that changes the speed reducer of velocity ratio of the present invention is, as shown in Figure 2, when rotating under the driving of power input shaft 13 at motor, power input shaft 13 drives transmission shaft 15 by a pair of umbrella gear and rotates, the 4th driving gear 18 and the 5th driving gear 19 that are installed on the transmission shaft 15 also rotate together, since the 4th driving gear 18 and the 5th driving gear 19 respectively with the first duplicate gear 4 that is installed on the brake axle 2 in gearwheel 4-1, be meshed with the gearwheel 5-1 in the second duplicate gear 5, therefore, the 4th driving gear 18 and the 5th driving gear 19 can drive respectively the first duplicate gear 4 and the second duplicate gear 5 rotates, because the first duplicate gear 4 and the second duplicate gear 5 are installed on the brake axle 2 by bearing 3, so brake axle 2 did not rotate when the first duplicate gear 4 and the second duplicate gear 5 rotated, yet between the first duplicate gear 4 and the second duplicate gear 5, also by connecting key 6 the 3rd driving gear 7 is housed, the internal gear 8 that is meshed with it is housed in the outside of the 3rd driving gear 7, this internal gear 8 can slide up and down, be provided with circular groove 9 in the outside of internal gear 8, shift fork 10 is housed in this circular groove, this shift fork 10 is U-shaped connecting rods of laterally installing, and this connecting rod is connected with an operating handle 11 that vertically is connected on the cabinet 1.As shown in Figure 2, when described operating handle 11 8 of internal gears when cabinet is positioned at the middle position are meshed with the 3rd driving gear 7, even this moment, power input shaft 13 rotated with transmission shaft 15, brake axle 2 can not rotate yet.As shown in Figure 3, when operating handle 11 is positioned at downward position at cabinet, at this moment internal gear 8 upward slidings, this internal gear 8 will be respectively be meshed with small gear 4-2 in the 3rd driving gear 7 and the first duplicate gear 4, at this moment the 4th driving gear 18 on the transmission shaft 15 and the engagement of the gearwheel 4-1 in the first duplicate gear 4, small gear 4-2 in the first duplicate gear 4 and internal gear 8 engagements, internal gear 8 also meshes with the 3rd driving gear 7 simultaneously, rotates together if at this moment the 4th driving gear 18 rotations just can drive brake axle 2.As shown in Figure 4, when described operating handle 11 is positioned at upwards position at cabinet, at this moment described internal gear 8 will be respectively be meshed with small gear 5-2 in the 3rd driving gear 7 and the second duplicate gear 5, at this moment the 5th driving gear 19 on the transmission shaft 15 and the engagement of the gearwheel 5-1 in the second duplicate gear 5, small gear 5-2 in the second duplicate gear 5 and internal gear 8 engagements, internal gear 8 also meshes with the 3rd driving gear 7 simultaneously, rotates together if at this moment the 5th driving gear 19 rotations just can drive brake axle 2.Owing to the 6th driving gear 20, the six driving gears 20 and the 7th driving gear 21 engagements that are installed on the pto＝power take-off 14 also being housed on brake axle, can driving pto＝power take-off 14 rotations if brake axle 2 rotates.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. speed reducer that can change velocity ratio, it is characterized in that, in described speed reducer, be provided with gear, described gear comprises the brake axle that is arranged in the cabinet, on described brake axle, be equipped with first by bearing, the second duplicate gear, described duplicate gear is made of a gearwheel and a small gear, with described first, two small gears in the second duplicate gear are installed relatively, described first, at described brake axle the 3rd driving gear is installed by connecting key between the second duplicate gear, described the 3rd driving gear is meshed with an internal gear, outer wall at described internal gear is provided with circular groove, at circular groove shift fork is housed, described shift fork is connected with operating handle, and described operating handle is connected on the cabinet by operating rod bearing; Described internal gear only was meshed with the 3rd driving gear when described operating handle arranged between two parties, described internal gear was meshed with small gear in the 3rd driving gear and the first duplicate gear respectively when described operating handle arranged downwards, and described internal gear was meshed with small gear in the 3rd driving gear and the second duplicate gear respectively when described operating handle upwards arranged; In described cabinet, also be provided with power input shaft, pto＝power take-off and transmission shaft, the axis of described brake axle, power input shaft, pto＝power take-off and transmission shaft is positioned at same plane, and described power input shaft is mutually vertical with the axis of transmission shaft, and the axis of described brake axle, transmission shaft and pto＝power take-off is parallel to each other; At an end of described power input shaft and a side of transmission shaft intermeshing a pair of umbrella gear is housed respectively, the 4th different driving gear of the number of teeth and the 5th driving gear also are housed respectively on described transmission shaft, described the 4th driving gear is meshed with gearwheel in the first duplicate gear, and described the 5th driving gear is meshed with gearwheel in the second duplicate gear.
2. the speed reducer that changes velocity ratio as claimed in claim 1 is characterized in that, the 6th driving gear also is housed on described brake axle, and described the 6th driving gear is meshed with the 7th driving gear on being installed in pto＝power take-off.
3. the speed reducer that changes velocity ratio as claimed in claim 2 is characterized in that, described pto＝power take-off is hollow shaft, is provided with keyway at the inwall of hollow shaft.
4. the speed reducer that changes velocity ratio as claimed in claim 3 is characterized in that, an end of described power input shaft and brake axle stretches out described cabinet, is provided with keyway at described external part.
5. the speed reducer that changes velocity ratio as claimed in claim 1 is characterized in that, described brake axle, power input shaft, pto＝power take-off and transmission shaft are contained in the described cabinet by bearing.
6. the speed reducer that changes velocity ratio as claimed in claim 2, it is characterized in that, described first, second duplicate gear, internal gear, the 3rd driving gear, the 4th driving gear, the 5th driving gear, the 6th driving gear, the 7th driving gear are helical gear.
7. the speed reducer that changes velocity ratio as claimed in claim 1, it is characterized in that, described shift fork is horizontally installed in the cabinet, and described operating handle vertically arranges, one end of described operating handle is plugged in the attachment hole of described shift fork one end, and the other end reaches the upper end of cabinet by operating rod bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110030604 CN102072289B (en) | 2011-01-28 | 2011-01-28 | Reducer with changeable transmission ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110030604 CN102072289B (en) | 2011-01-28 | 2011-01-28 | Reducer with changeable transmission ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072289A CN102072289A (en) | 2011-05-25 |
| CN102072289B true CN102072289B (en) | 2013-10-23 |
Family
ID=44030966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110030604 Expired - Fee Related CN102072289B (en) | 2011-01-28 | 2011-01-28 | Reducer with changeable transmission ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102072289B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287506B (en) * | 2011-06-03 | 2014-05-14 | 大连船舶重工集团舵轴有限公司 | Coaxial transfer gear mechanism with large reduction ratio |
| CN113147382B (en) * | 2021-05-11 | 2022-07-01 | 湘潭大学 | Transmission adjustment mechanism of multi-track heat energy trolley |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757598A (en) * | 1971-06-21 | 1973-09-11 | Massey Ferguson Inc | Single lever control for transmission |
| US4224839A (en) * | 1978-04-07 | 1980-09-30 | Tecumseh Products Company | Dual range transaxle transmission |
| CN101144283A (en) * | 2007-08-29 | 2008-03-19 | 泰安市泰山工程机械集团有限公司 | Full-hydraulic wheel type digging machine shifted by hydraulic power |
| CN101220850A (en) * | 2008-01-15 | 2008-07-16 | 重庆渝安创新科技(集团)有限公司 | Front speed reducer assembly of micro-car |
| CN101433917A (en) * | 2008-12-08 | 2009-05-20 | 中信重工机械股份有限公司 | Speed reducer capable of regulating speed for aluminum plate rolling mill |
| CN201944208U (en) * | 2011-01-28 | 2011-08-24 | 江阴克威齿轮箱制造有限公司 | Reduction gear capable of changing transmission ratio |
-
2011
- 2011-01-28 CN CN 201110030604 patent/CN102072289B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757598A (en) * | 1971-06-21 | 1973-09-11 | Massey Ferguson Inc | Single lever control for transmission |
| US4224839A (en) * | 1978-04-07 | 1980-09-30 | Tecumseh Products Company | Dual range transaxle transmission |
| CN101144283A (en) * | 2007-08-29 | 2008-03-19 | 泰安市泰山工程机械集团有限公司 | Full-hydraulic wheel type digging machine shifted by hydraulic power |
| CN101220850A (en) * | 2008-01-15 | 2008-07-16 | 重庆渝安创新科技(集团)有限公司 | Front speed reducer assembly of micro-car |
| CN101433917A (en) * | 2008-12-08 | 2009-05-20 | 中信重工机械股份有限公司 | Speed reducer capable of regulating speed for aluminum plate rolling mill |
| CN201944208U (en) * | 2011-01-28 | 2011-08-24 | 江阴克威齿轮箱制造有限公司 | Reduction gear capable of changing transmission ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102072289A (en) | 2011-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202431843U (en) | Primary bevel gear rectangular axis input planetary gearbox | |
| CN201932650U (en) | Planetary gear transmission electric roller | |
| CN203560366U (en) | Multistage gear drive device | |
| CN201227746Y (en) | Frequency conversion spindle apparatus for lathe spindle | |
| CN101832367B (en) | Tubular motor reducer with combined involute and cycloid | |
| CN203248621U (en) | Gear box of cycloidal-pin wheel | |
| CN102072289B (en) | Reducer with changeable transmission ratio | |
| CN201953920U (en) | Short three-shaft type gearbox for crawler tractor | |
| CN201944208U (en) | Reduction gear capable of changing transmission ratio | |
| CN203257995U (en) | Small-sized rotary cultivator speed changer with double power output shafts | |
| CN202628954U (en) | Planetary reducer for large plate bending machine | |
| CN203272634U (en) | Combined type gear speed reducer for copper pipe coiling and drawing machine | |
| CN103591231A (en) | Power splitting planetary ring bevel gear type stepless speed changer | |
| CN104633062A (en) | Double-cycloidal speed reducer | |
| CN202040280U (en) | Planetary transmission mechanism for bevel gears | |
| CN203309054U (en) | Stepless speed regulating planetary speed reducer for straightening machine | |
| CN103234009A (en) | Gear speed reducer for combined type copper pipe coil drawing machine | |
| CN203193443U (en) | Hypoid gear motor with double-sided flange | |
| CN2723773Y (en) | Automobile gear box device | |
| CN201440785U (en) | Zero-tilling rotary tillage speed changer | |
| CN201310610Y (en) | Labor-saving transmission device | |
| CN202010700U (en) | Shift-variable horizontal-vertical conversion speed reducer | |
| CN206943406U (en) | A kind of manual transmission reverses gear gearshift | |
| CN206860861U (en) | A kind of gear mechanism for vertical axis mini-tiller | |
| CN102359550A (en) | Electric forklift speed reduction box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU HAOKE TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JINAGYIN KEWEI GEARBOXES MANUFACTURER CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 214400, No. 2, Ji Shan Road, Cheng Yang Chang Industrial Zone, Lingang Town, Lingang City, Jiangsu, Jiangyin Patentee after: JIANGSU HAOKE TRANSMISSION TECHNOLOGY CO.,LTD. Address before: 214400, Jiangsu City, Jiangyin Province Huang Town, Cheng Chang Industrial Development Zone Patentee before: Jinagyin Kewei Gearboxes Manufacture Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Reducer with changeable transmission ratio Effective date of registration: 20151117 Granted publication date: 20131023 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: JIANGSU HAOKE TRANSMISSION TECHNOLOGY CO.,LTD. Registration number: 2015990001009 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20131023 Termination date: 20220128 |