CN106627527B - Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof - Google Patents
Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof Download PDFInfo
- Publication number
- CN106627527B CN106627527B CN201611067128.5A CN201611067128A CN106627527B CN 106627527 B CN106627527 B CN 106627527B CN 201611067128 A CN201611067128 A CN 201611067128A CN 106627527 B CN106627527 B CN 106627527B
- Authority
- CN
- China
- Prior art keywords
- brake pedal
- screw
- bracket
- movable
- movable bracket
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The motor vehicle brake pedal with the accelerator mistakenly stepping prevention device comprises a brake pedal, a brake pedal supporting rod, an anti-skid rubber sleeve, a movable bracket, a spring ring, a gasket and a rotating shaft; the brake pedal is characterized in that a limiting clamp, a bracket positioning seat and a brake pedal supporting rod are arranged on the bottom surface of the brake pedal; a long through hole is formed in the bracket positioning seat; an inner cavity is arranged below the anti-skid rubber sleeve, and a positioning groove is formed in the periphery of the inner cavity; a connecting rod is arranged at one end of the movable bracket; one end of the movable bracket connecting rod is provided with a front round hole, and the other end is provided with a screw; the connecting rod is provided with a rear round hole; the spring ring is provided with an outer positioning end and an inner positioning end; the gasket is provided with a gasket hole; the movable support, the gasket and the support positioning seat are connected in series by the rotating shaft. The invention can directly replace the brake pedal of the motor vehicle and can effectively prevent the accelerator from being stepped on by mistake.
Description
Technical Field
The invention relates to an automobile safety device, in particular to a motor vehicle brake pedal with an accelerator mistakenly stepping prevention device.
Background
The automobile is rapidly entering home in an unblockable situation, and the proportion of automatic transmission vehicles is increasing. When an automatic transmission vehicle is driven, the result is particularly serious once the accelerator is stepped on by mistake as a brake. At present, no simple and effective device is available on the market, which can prevent the error of stepping on the accelerator as the brake in emergency.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the motor vehicle brake pedal with the accelerator mistakenly stepping prevention device.
The technical scheme adopted by the invention is as follows: the motor vehicle brake pedal with the accelerator mistakenly stepping prevention device comprises a brake pedal, a brake pedal supporting rod, an anti-skid rubber sleeve, a movable bracket, a spring ring, a gasket and a rotating shaft; the brake pedal is characterized in that a limiting clamp, a bracket positioning seat and a brake pedal supporting rod are arranged on the bottom surface of the brake pedal; a long through hole is formed in the bracket positioning seat; an inner cavity is arranged below the anti-skid rubber sleeve, and a positioning groove is formed in the periphery of the inner cavity; a connecting rod is arranged at one end of the movable bracket; one end of the movable bracket connecting rod is provided with a front round hole, and the other end is provided with a screw; the connecting rod is provided with a rear round hole; the spring ring is provided with an outer positioning end and an inner positioning end; the gasket is provided with a gasket hole; the movable support, the gasket and the support positioning seat are connected in series by the rotating shaft; the accelerator pedal and the accelerator pedal support rod are integrated, and the accelerator pedal is arranged at the lower right part of the brake pedal.
The rotating shaft is in clearance fit with the gasket hole, the rear round hole and the front round hole, and is in interference fit with the long through hole; the diameter of the inner ring of the spring ring is larger than that of the rotating shaft.
The spring ring is sleeved on the rotating shaft, the inner end head is fixed on the connecting rod, the outer end head is twisted and fixed on the bracket positioning seat, so that the spring ring has torsion for turning the movable bracket open clockwise; under the action of the spring ring, the movable support always turns over clockwise by taking the shaft center line of the rotating shaft as the center of a circle when no external force is influenced, and the movable support stops rotating clockwise under the action of the connecting rod when the movable support turns over to be parallel to the brake pedal.
The screw is screwed, so that the front end of the screw protrudes out of the movable bracket, the movable bracket is rotated, the front end of the screw is blocked by the limiting clamp, and the movable bracket is limited to rotate in a limited range above the limiting clamp or below the limiting clamp; the screw is unscrewed, the front end of the screw is retracted into the movable support, the movable support is rotated, the front end of the screw is not blocked by the limiting clamp, and the movable support can rotate freely up and down on the limiting clamp.
When the movable support is turned over to be parallel to the brake pedal, the bottom surface of the movable support is higher than the top surface of the accelerator pedal.
The using method of the motor vehicle brake pedal with the accelerator mistakenly stepping prevention device comprises the following steps:
opening the protection function, namely unscrewing the screw, retracting the protruding part in front of the screw into the movable bracket, preventing the movable bracket from being limited by the limiting clamp, automatically opening the movable bracket towards the right in the clockwise direction, and opening the protection function;
closing the protection function, namely closing the movable support to the left, enabling the position of the movable support, where the screw is arranged, to be lower than the limit clamp, screwing the screw, enabling the front of the screw to protrude out of the movable support, and enabling the screw to stop the movable support from turning open to the right along the clockwise direction, so that the protection function is closed.
By adopting the technical scheme of the invention, the method has the following beneficial effects:
1. the invention can directly replace the brake pedal of the motor vehicle without refitting the vehicle;
2. the right half sole is placed under the movable support, and the right heel is taken as a fulcrum, so that the motor vehicle can be conveniently fueled or braked without changing the original driving habit;
3. the invention can effectively prevent accidents caused by the fact that a driver steps on the accelerator by mistake when in emergency;
4. the brake pedal of the invention is not different from a brake pedal without a protective device after the protective function is closed, and the brake pedal is suitable for being installed and used on any motor vehicle;
5. the invention has simple structure and low cost, and is suitable for mass production.
Drawings
Fig. 1 is a front side perspective view of the present invention (state where the protection function is closed);
fig. 2 is a rear side perspective view of the present invention (state where the protection function is closed);
fig. 3 is a diagram of the positional relationship between the present invention and the accelerator pedal of the motor vehicle (the state in which the guard function is open);
FIG. 4 is a schematic view of the path of rotation of the movable carriage of the present invention;
FIG. 5 is a schematic view of the construction of the present invention;
fig. 6 is a schematic view of the construction of the present invention (side bottom view).
In the figure: 10-brake pedal, 11-limit clamp, 12-bracket positioning seat, 13-long through hole, 20-brake pedal supporting rod, 30-anti-slip rubber sleeve, 31-inner cavity, 32-positioning groove, 40-movable bracket, 41-connecting rod, 42-rear round hole, 43-front round hole, 44-screw, 50-spring ring, 51-outer positioning end, 52-inner positioning end, 60-gasket, 61-gasket hole, 70-rotating shaft, 80-accelerator pedal and 90-accelerator pedal supporting rod.
Detailed Description
The invention is further illustrated by the following figures and examples: as shown in fig. 1 to 6, the motor vehicle brake pedal with the accelerator mistaken stepping prevention device comprises a brake pedal 10, a brake pedal support rod 20, an anti-skid rubber sleeve 30, a movable bracket 40, a spring ring 50, a gasket 60 and a rotating shaft 70; the brake pedal is characterized in that a limiting clamp 11, a bracket positioning seat 12 and a brake pedal supporting rod 20 are arranged on the bottom surface of the brake pedal 10; a long through hole 13 is formed in the bracket positioning seat 12; an inner cavity 31 is arranged below the anti-skid rubber sleeve 30, and a positioning groove 32 is formed in the periphery of the inner cavity 31; a connecting rod 41 is arranged at one end of the movable bracket 40; one end of the movable bracket connecting link 41 is provided with a front round hole 43, and the other end is provided with a screw 44; the connecting rod 41 is provided with a rear round hole 42; the spring ring 50 is provided with an outer positioning end 51 and an inner positioning end 52; the gasket 60 is provided with a gasket hole 61; the rotating shaft 70 connects the movable bracket 40, the gasket 60 and the bracket positioning seat 12 in series; the accelerator pedal 80 is integrated with the accelerator pedal support rod 90, and the accelerator pedal 80 is disposed at the lower right side of the brake pedal 10.
The rotating shaft 70 is in clearance fit with the gasket hole 61, the rear round hole 42 and the front round hole 43, and is in interference fit with the long through hole 13; the inner diameter of the spring ring 50 is larger than the diameter of the rotating shaft 70.
The spring ring 50 is sleeved on the rotating shaft 70, the inner end head 52 is fixed on the connecting rod 41, and the outer end head 51 is twisted and fixed on the bracket positioning seat 12, so that the spring ring 50 has a torsion force for turning the movable bracket 40 open clockwise; under the action of the spring ring 50, the movable support 40 always turns over clockwise around the shaft center line of the rotating shaft 70 when no external force is applied, and when the movable support 40 turns over to be parallel to the brake pedal 10, the movable support 40 stops rotating clockwise under the action of the connecting rod 41.
The screw 44 is screwed, so that the front end of the screw 44 protrudes out of the movable bracket 40, the movable bracket 40 is rotated, the front end of the screw 44 is blocked by the limit clamp 11, and the movable bracket 40 is limited to rotate in a limited range above the limit clamp 11 or below the limit clamp 11; the screw 44 is unscrewed, so that the front end of the screw 44 is retracted into the movable bracket 40, the movable bracket 40 is rotated, the front end of the screw 44 is not blocked by the limiting clamp 11, and the movable bracket 40 can freely rotate up and down on the limiting clamp 11.
When the movable support 40 is turned over to be parallel to the brake pedal 10, the bottom surface of the movable support 40 is higher than the top surface of the accelerator pedal 80.
The using method of the motor vehicle brake pedal with the accelerator mistakenly stepping prevention device comprises the following steps:
1) Opening the protection function, namely unscrewing the screw 44, retracting the protruding part in front of the screw 44 into the movable bracket 40, so that the movable bracket 20 is not limited by the limiting clamp 11, the movable bracket 40 automatically turns open to the right in the clockwise direction, and the protection function is opened;
2) Closing the protection function, namely closing the movable support 40 to the left, enabling the position of the movable support 40, where the screw 44 is arranged, to be lower than the limit clamp 11, screwing the screw 44, enabling the front of the screw 44 to protrude out of the movable support 40, and enabling the screw 44 to stop the movable support 40 from turning open to the right in the clockwise direction, so that the protection function is closed.
By adopting the technical scheme of the invention, the method has the following beneficial effects:
the invention can directly replace the brake pedal of the motor vehicle without refitting the vehicle; the right forepalm is placed under the movable support, and the right heel is taken as a fulcrum, so that the motor vehicle can be conveniently fueled or braked, and the original driving habit is not changed.
The invention can effectively prevent accidents caused by the fact that a driver steps on the accelerator by mistake when in emergency; the brake pedal is not different from a brake pedal without a protective device after the protective function is closed, so the brake pedal is suitable for being installed on any motor vehicle.
The invention has simple structure and low cost, and is suitable for mass production.
The above examples of the present invention are illustrative of exemplary embodiments of the present invention and are not intended to be limiting of the embodiments of the present invention. Obvious variations that result from the prompts of the embodiments of the invention are still within the scope of the claims of the invention.
Claims (2)
1. The motor vehicle brake pedal with the accelerator mistaken stepping prevention device comprises a brake pedal (10), a brake pedal supporting rod (20), an anti-skid rubber sleeve (30), a movable bracket (40), a spring ring (50), a gasket (60) and a rotating shaft (70); the brake pedal is characterized in that a limiting clamp (11), a bracket positioning seat (12) and a brake pedal supporting rod (20) are arranged on the bottom surface of the brake pedal (10); a long through hole (13) is formed in the bracket positioning seat (12); an inner cavity (31) is arranged below the anti-skid rubber sleeve (30), and a positioning groove (32) is formed in the periphery of the inner cavity (31); one end of the movable bracket (40) is provided with a connecting rod (41); under the action of the spring ring (50), the movable support (40) always turns over clockwise by taking the shaft center line of the rotating shaft (70) as the center of a circle when no external force is exerted, and when the movable support (40) turns over to be parallel to the brake pedal (10), the movable support (40) stops rotating clockwise under the action of the connecting rod (41); screwing the screw (44) to enable the front end of the screw (44) to protrude out of the movable bracket (40), rotating the movable bracket (40), wherein the front end of the screw (44) is blocked by the limiting clamp (11), and the movable bracket (40) is limited to rotate in a limited range above the limiting clamp (11) or below the limiting clamp (11); the screw (44) is unscrewed, the front end of the screw (44) is retracted into the movable bracket (40), the movable bracket (40) is rotated, the front end of the screw (44) is not blocked by the limit clamp (11), and the movable bracket (40) can freely rotate up and down on the limit clamp (11); when the movable support (40) is turned over to be parallel to the brake pedal (10), the bottom surface of the movable support (40) is higher than the top surface of the accelerator pedal (80); one end of the movable bracket connecting rod (41) is provided with a front round hole (43), and the other end is provided with a screw (44); a rear round hole (42) is formed in the connecting rod (41); the spring ring (50) is provided with an outer positioning end (51) and an inner positioning end (52); the diameter of the inner ring of the spring ring (50) is larger than that of the rotating shaft (70); the spring ring (50) is sleeved on the rotating shaft (70), the inner end head (52) is fixed on the connecting rod (41), and the outer end head (51) is twisted and fixed on the bracket positioning seat (12), so that the spring ring (50) has a torsion force for turning the movable bracket (40) open clockwise; the gasket (60) is provided with a gasket hole (61); the movable bracket (40), the gasket (60) and the bracket positioning seat (12) are connected in series by the rotating shaft (70); the rotating shaft (70) is in clearance fit with the gasket hole (61), the rear round hole (42) and the front round hole (43), and is in interference fit with the long through hole (13); the brake pedal (10), the bracket positioning seat (12), the movable bracket (40) and the connecting rod (41) are made of metal materials;
the accelerator pedal (80) and the accelerator pedal supporting rod (90) are integrated, and the accelerator pedal (80) is arranged at the lower right part of the brake pedal (10).
2. The method for using the motor vehicle brake pedal with the accelerator mistaken stepping prevention device according to claim 1 comprises the following steps:
1) Opening the protection function, namely unscrewing the screw (44), retracting the protruding part in front of the screw (44) into the movable bracket (40), enabling the movable bracket (40) not to be limited by the limiting card (11), automatically opening the movable bracket (40) towards the right along the clockwise direction, and opening the protection function;
2) Closing the protection function, namely closing the movable support (40) to the left, enabling the position of the movable support (40) provided with the screw (44) to be lower than the limit clamp (11), screwing the screw (44), enabling the front of the screw (44) to protrude out of the movable support (40), blocking the movable support (40) to turn open to the right along the clockwise direction by the screw (44), and closing the protection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067128.5A CN106627527B (en) | 2016-11-29 | 2016-11-29 | Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067128.5A CN106627527B (en) | 2016-11-29 | 2016-11-29 | Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627527A CN106627527A (en) | 2017-05-10 |
| CN106627527B true CN106627527B (en) | 2023-06-02 |
Family
ID=58812424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611067128.5A Active CN106627527B (en) | 2016-11-29 | 2016-11-29 | Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106627527B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444367B (en) * | 2017-08-20 | 2023-05-12 | 重庆公共运输职业学院 | Accelerator mistaken stepping prevention safety device fixed in clamping mode and application method thereof |
| CN108297848B (en) * | 2018-02-07 | 2024-03-15 | 重庆公共运输职业学院 | Brake pedal sleeve with accelerator protection function and convenient to install and installation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005153847A (en) * | 2003-11-27 | 2005-06-16 | Masao Sato | Brake pedal application error prevention device |
| CN201380836Y (en) * | 2009-03-20 | 2010-01-13 | 李文兴 | Automotive control pedal provided with baffle plate |
| JP2014151898A (en) * | 2013-02-08 | 2014-08-25 | Hisatoshi Suminoe | Pedal with brake pedal and accelerator pedal disposed in series |
| CN204726233U (en) * | 2015-06-17 | 2015-10-28 | 中国矿业大学 | A kind of accelerator and brake combined device for vehicles preventing by mistake trampling |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008240595A (en) * | 2007-03-27 | 2008-10-09 | Nissan Diesel Motor Co Ltd | Erroneous operation preventive device of accelerator pedal |
| JP4740394B1 (en) * | 2010-11-04 | 2011-08-03 | しのぶ 小林 | Vehicle driving force braking device |
| CN102424002A (en) * | 2011-05-24 | 2012-04-25 | 刘铁华 | Device for preventing mistaken pedaling of accelerator pedal |
| CN202123936U (en) * | 2011-05-24 | 2012-01-25 | 上海电机学院 | Automobile brake device capable of preventing throttle from being stepped by mistake |
| CN203946076U (en) * | 2014-04-14 | 2014-11-19 | 重庆工业职业技术学院 | Can accurately judge and stop the device that phenomenon of taking throttle as brake is stepped on aberration |
| CN204488512U (en) * | 2015-03-11 | 2015-07-22 | 浙江机电职业技术学院 | The fender guard that a kind of gas is stepped on by mistake |
| CN104709087B (en) * | 2015-03-16 | 2017-05-24 | 重庆工业职业技术学院 | Double insurance device capable of identifying behavior of taking accelerator as brake and converting into brake |
| KR101655679B1 (en) * | 2015-05-29 | 2016-09-07 | 현대자동차주식회사 | Safety apparatus of accelerator pedal for vehicle |
| CN105216771B (en) * | 2015-10-08 | 2017-09-01 | 重庆工业职业技术学院 | A kind of brake pedal set and its application method for stepping on function by mistake with anti-throttle |
| CN206552014U (en) * | 2016-11-29 | 2017-10-13 | 重庆工业职业技术学院 | There is the brake pedal of motor vehicle for preventing throttle from being stepped on function by mistake |
-
2016
- 2016-11-29 CN CN201611067128.5A patent/CN106627527B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005153847A (en) * | 2003-11-27 | 2005-06-16 | Masao Sato | Brake pedal application error prevention device |
| CN201380836Y (en) * | 2009-03-20 | 2010-01-13 | 李文兴 | Automotive control pedal provided with baffle plate |
| JP2014151898A (en) * | 2013-02-08 | 2014-08-25 | Hisatoshi Suminoe | Pedal with brake pedal and accelerator pedal disposed in series |
| CN204726233U (en) * | 2015-06-17 | 2015-10-28 | 中国矿业大学 | A kind of accelerator and brake combined device for vehicles preventing by mistake trampling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106627527A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106627527B (en) | Motor vehicle brake pedal with accelerator mistaken stepping prevention device and application method thereof | |
| US10513144B2 (en) | Active aerodynamic vehicle wheel cover assembly, vehicle wheel assembly including such a vehicle wheel cover assembly and method for producing such a vehicle wheel assembly | |
| CN206552014U (en) | There is the brake pedal of motor vehicle for preventing throttle from being stepped on function by mistake | |
| CN105216771A (en) | A kind of have brake pedal cover and the using method thereof that anti-throttle steps on function by mistake | |
| DE102009041958A1 (en) | A throttle opening detecting device for a saddle type vehicle | |
| EP2447144A1 (en) | Safety device for the brake lever of motorcycles and the like | |
| US2218060A (en) | Step for motor vehicles | |
| CN106314398A (en) | Motor vehicle safety device capable of preventing mistaken stepping of accelerator and use method of device | |
| CN107054318A (en) | Brake pedal of motor vehicle and its application method with accelerator anti-false step on device | |
| CN205577699U (en) | Electronic tail -gate push rod resistance -increasing ware of car | |
| CN107472219B (en) | Safety device capable of being clamped on brake pedal to prevent accelerator from being stepped on by mistake and use method | |
| CN105735819A (en) | Resistance increasing device for car electric tail door push rod | |
| CN107444367B (en) | Accelerator mistaken stepping prevention safety device fixed in clamping mode and application method thereof | |
| CN108297848B (en) | Brake pedal sleeve with accelerator protection function and convenient to install and installation method | |
| US8967117B2 (en) | Throttle control assembly with integrated safety switch | |
| CN208325186U (en) | A kind of brake pedal attachment device for being easy to open and closing anti-throttle and accidentally step on function | |
| CN107472218B (en) | Oil-proof door mistaken stepping safety device adsorbed on brake pedal and use method thereof | |
| CN204249746U (en) | A kind of pressure relief device for tire | |
| JP7367217B2 (en) | Steering wheel with brake function and steering device equipped with the steering wheel | |
| CN107585093A (en) | A kind of vehicle and its steering indicating light automaton | |
| CN210316920U (en) | Zinc alloy atomic lock | |
| CN112546469A (en) | Pull type window breaking device | |
| CN203371991U (en) | Wheel hub and wheel | |
| CN207360299U (en) | A kind of clipping anti-throttle false step on device structure for being used for special-shaped pedal | |
| CN107745705B (en) | Device for preventing oil door from being stepped by mistake and mounted on special-shaped pedal and mounting method of device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Su Tao Inventor after: OuYang Gang Inventor before: OuYang Gang Inventor before: Su Tao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |