CN108909874A - A kind of hydraulic drive type heavy duty hexapod robot leg - Google Patents

A kind of hydraulic drive type heavy duty hexapod robot leg Download PDF

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Publication number
CN108909874A
CN108909874A CN201810931876.6A CN201810931876A CN108909874A CN 108909874 A CN108909874 A CN 108909874A CN 201810931876 A CN201810931876 A CN 201810931876A CN 108909874 A CN108909874 A CN 108909874A
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CN
China
Prior art keywords
robot
thigh
oil cylinder
shank
joint shaft
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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.)
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Application number
CN201810931876.6A
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Chinese (zh)
Inventor
蒋刚
留沧海
江涌
严夏
杭建峰
古鹏
陈斯昀
李晨
胡勇
詹惠轲
卢展
段小虎
薛志峰
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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Application filed by Southwest University of Science and Technology filed Critical Southwest University of Science and Technology
Priority to CN201810931876.6A priority Critical patent/CN108909874A/en
Publication of CN108909874A publication Critical patent/CN108909874A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D57/00Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
    • B62D57/02Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
    • B62D57/032Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members with alternately or sequentially lifted supporting base and legs; with alternately or sequentially lifted feet or skid

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses a kind of hydraulic drive type heavy duty hexapod robot legs, it is therefore intended that and it solves existing hexapod robot and needs under the premise of meeting bionic walking, adaptation to the ground, and increase heavy duty, and the problem of domestic presently relevant research is in blank stage.The robot leg includes fuselage connecting plate, buttocks connector, robot thigh, robot shank, ground support, root joint shaft, cross cylinder, hip joint shaft, thigh oil cylinder, knee joint shaft, shank oil cylinder.The present invention provides a kind of completely new leg structure models, and compared with other existing driving structures, in identical space, robot of the present invention moves back the more powerful of output, and quality is smaller, has the advantages that specific power is high, light, load-carrying is big.Based on the present invention for the optimization design of structure, the landform adaptability of hexapod robot, and the power matching based on hydraulic system are significantly improved, so that robot of the present invention moves back the breakthrough for having reached carrying 500kg, there is remarkable progress.

Description

A kind of hydraulic drive type heavy duty hexapod robot leg
Technical field
The present invention relates to robot field, specially a kind of hydraulic drive type heavy duty hexapod robot leg.
Background technique
The country starts late for the research of heavily loaded hexapod robot, and technology starting point is low.By the technological accumulation of more than ten years, China achieves certain achievement in hexapod robot research field.Wherein, domestic hexapod robot mainly include:Central China section Big " 4+2 " multi-foot robot, BJ University of Aeronautics & Astronautics NOROS series hexapod robot etc..And external hexapod robot Mainly include:The hydraulic-driven hexapod robot COMET-4 of Chiba, Japan university, is Deutschen Zentrums fur Luft- und Raumfahrt e.V. " DLR- Crawler ", " Attila " of Massachusetts Institute Technology etc..Compared with external hexapod robot, domestic hexapod robot are overall Technology is barely satisfactory, does not reach external advanced level temporarily.
Currently, the structure design and control system of existing hexapod robot have had reached preliminary bionic walking, but Hexapod robot are more applied in the Special complexes terrain environment such as field work, Post disaster relief, this is to hexapod robot More stringent requirements are proposed for load.And at home in research at this stage, the research in terms of heavily loaded hexapod robot is also in sky The white stage.How under the mode for meeting hexapod robot bionic walking, adaptation to the ground increases heavy duty, for hexapod robot More stringent requirements are proposed for leg structure and dynamical system.
For this purpose, there is an urgent need to a kind of new devices, to solve the above problems.
Summary of the invention
Goal of the invention of the invention is:It is needed under the premise of meeting bionic walking for existing hexapod robot, Adaptation to the ground, and increase heavy duty, and the problem of domestic presently relevant research is in blank stage, a kind of hydraulic drive type is provided Heavily loaded hexapod robot leg.The present invention provides a kind of completely new leg structure models, compared with other existing driving structures, In identical space, robot of the present invention moves back the more powerful of output, and quality is smaller, with specific power is high, light, load-carrying is big The advantages of.Based on the present invention for the optimization design of structure, the landform adaptability of hexapod robot is significantly improved, and is based on The power matching of hydraulic system has significant progress meaning so that robot of the present invention moves back the breakthrough for having reached carrying 500kg Justice.
To achieve the goals above, the present invention adopts the following technical scheme that:
A kind of hydraulic drive type heavy duty hexapod robot leg, including fuselage connecting plate, the buttocks for being connected with robot body Connector, robot thigh, robot shank, ground support, root joint shaft, cross cylinder, hip joint shaft, thigh oil Cylinder, knee joint shaft, shank oil cylinder, described joint shaft is arranged on buttocks connector and root joint shaft can opposite buttocks Connector rotation, the both ends of the cross cylinder are connected respectively with fuselage connecting plate with buttocks connector and cross cylinder can drive Buttocks connector is rotated relative to fuselage connecting plate;
It is flexibly connected between the buttocks connector and robot thigh by hip joint shaft and robot thigh is closed by hip Save shaft can opposite buttocks connector rotation, the both ends of the thigh oil cylinder are connected with robot thigh, buttocks connector respectively And thigh oil cylinder energy band mobile robot thigh is rotated relative to buttocks connector;
It is flexibly connected between the robot thigh and robot shank by knee joint shaft and robot shank is closed by knee The rotation of shaft energy opposed robots' thigh is saved, the both ends of the shank oil cylinder are connected with robot shank, robot thigh respectively And shank oil cylinder energy band mobile robot shank is rotated relative to robot thigh.
The ground support is universal lower margin.
It further include the resilient cushion being arranged on universal lower margin.
Several fabrication holes are respectively arranged on the robot thigh, robot shank.
It further include the intermediate support being arranged on robot thigh, during the thigh oil cylinder, shank oil cylinder pass through respectively Between supporter be connected with robot thigh.
The hip joint shaft and knee joint shaft are parallel to each other, the axis direction and machine of the hip joint shaft Plane where the rotation of people's shank is vertical.
Further include control piece, the control piece be one of solenoid-operated proportional reversal valve, electro-hydraulic reversing valve or a variety of, it is described Control piece is connected with cross cylinder, thigh oil cylinder, shank oil cylinder respectively.
The control piece and cross cylinder, thigh oil cylinder, between shank oil cylinder using whole driving.
Control piece is three, using seperated driving between control piece and cross cylinder, thigh oil cylinder, shank oil cylinder.
For foregoing problems, the present invention provides a kind of hydraulic drive type heavy duty hexapod robot leg.It includes being used for and machine Fuselage connecting plate that device human agent is connected, buttocks connector, robot thigh, robot shank, ground support, root joint turn Axis, cross cylinder, hip joint shaft, thigh oil cylinder, knee joint shaft, shank oil cylinder.Wherein, root joint shaft is arranged in buttocks On connector, and root joint shaft can opposite buttocks connector rotation, the both ends of cross cylinder respectively with fuselage connecting plate and stern Portion's connector is connected and provides corresponding power support, so that cross cylinder can drive buttocks connector to connect with respect to fuselage Plate rotation.
Meanwhile it being flexibly connected between buttocks connector and robot thigh by hip joint shaft, and robot thigh is logical Crossing hip joint shaft can rotate relative to buttocks connector.The both ends of thigh oil cylinder respectively with robot thigh, buttocks connector phase Connect and provide corresponding power support, so that thigh oil cylinder energy band mobile robot thigh is rotated relative to buttocks connector.
In addition, being flexibly connected between robot thigh and robot shank by knee joint shaft, and robot shank is logical Cross the rotation of knee joint shaft energy opposed robots' thigh, the both ends of shank oil cylinder respectively with robot shank, robot thigh phase Connect and provide corresponding power support, so that shank oil cylinder energy band mobile robot shank is rotated relative to robot thigh.
In the present invention, the hydraulic-driven heavy duty hexapod robot leg is small by buttocks connector, robot thigh and robot Leg composition, there are three cradle heads for tool(Root joint shaft, hip joint shaft and knee joint shaft)And three oil cylinders(Horizontal oil Cylinder, thigh oil cylinder and shank oil cylinder);Wherein, root joint shaft is vertical with body plane, hip joint shaft and knee joint shaft phase It is mutually parallel, perpendicular to robot thigh and robot shank plane.Based on the structure, there are three certainly for robot leg tool of the invention By spending, buttocks connector can be swung around body, and robot thigh can be swung around buttocks connector, and robot shank can To swing around robot thigh, allow the robot to realize the movements such as straight trip, turning, climbing.
In the structure, which is driven by cross cylinder, thigh oil cylinder and shank oil cylinder, is controlled by solenoid-operated proportional reversal valve Oil cylinder displacement, realizes the walking of robot.Cross cylinder connects fuselage and buttocks connector connects, and passes through stretching for horizontal hydraulic cylinder The swing of root joint shaft is realized in contracting;Thigh oil cylinder connects buttocks connector and robot thigh, passes through stretching for thigh oil cylinder The swing in buttocks connector joint is realized in contracting;Shank oil cylinder connects robot thigh and robot shank, passes through thigh and calf oil cylinder It is flexible, realize the swing of knee joint shaft.
Further, in the present invention, ground support is universal lower margin.The universal lower margin at sufficient end makes robot foot using flexural pivot The flexibility at end greatly enhances, and is suitable for unstructuredness environment, and then further promotes corresponding adaptability and scene.
Meanwhile the present invention has biggish superiority in bearing capacity, efficiently solves foregoing problems.With traditional steering engine Driving robot compares, and robot leg impact resistance ability of the invention is strong, has stronger unstructuredness adaptive capacity to environment.Through Practical measurement, leg structure reaction speed of the invention is fast, can be realized the bearing capacity of 500kg, realizes the sufficient machine of heavy duty six The breakthrough of device people, while optimizing the landform adaptability of robot.
In conclusion the present invention provides a kind of hydraulic drive type heavy duty hexapod robot leg, with impact resistance, driving force The big advantage of square can drive the load of big inertia, efficiently solve the problems, such as hexapod robot heavy duty, and safety and stability, make an uproar Sound is small.Verified, the present invention can not only realize that obstacle detouring of the hexapod robot on non-structural road surface is walked, and can be realized machine The heavy duty of device people can be applied to earthquake rescue, military materials transport etc..Present inventive concept is ingenious, and rationally, structure is simple for design Single, adaptable, stability is good, application value with higher and preferable application prospect.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural diagram of the present invention.
It is marked in figure:1, fuselage connecting plate, 2, buttocks connector, 3, robot thigh, 4, robot shank, 5, universal Foot, 6, cross cylinder, 7, thigh oil cylinder, 8, shank oil cylinder, 9, root joint shaft 10, hip joint, 11, knee joint shaft.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics ?.
Embodiment 1
As shown, the hydraulic drive type heavy duty hexapod robot leg of the present embodiment includes fuselage connecting plate, buttocks connector, machine Device National People's Congress leg, robot shank, ground support, root joint shaft, cross cylinder, hip joint shaft, thigh oil cylinder, knee joint Shaft, shank oil cylinder, wherein fuselage connecting plate with robot body for being connected.
In the structure, root joint shaft is arranged on buttocks connector and root joint shaft can opposite buttocks connector turn Dynamic, the both ends of cross cylinder are connected with fuselage connecting plate with buttocks connector respectively.Between buttocks connector and robot thigh It is flexibly connected by hip joint shaft and robot thigh can be rotated by hip joint shaft relative to buttocks connector, thigh oil cylinder Both ends be connected respectively with robot thigh, buttocks connector.Turned between robot thigh and robot shank by knee joint Axis be flexibly connected and robot shank by knee joint shaft energy opposed robots' thigh rotation, the both ends of shank oil cylinder respectively with Robot shank, robot thigh are connected.In the present embodiment, ground support uses universal lower margin.In the structure, cross cylinder For driving buttocks connector to rotate relative to fuselage connecting plate, thigh oil cylinder is used for band mobile robot thigh and connects relative to buttocks Part rotation, shank oil cylinder are used for band mobile robot shank and rotate relative to robot thigh.Meanwhile hip joint shaft and knee joint Shaft is parallel to each other, and plane where the axis direction of hip joint shaft is rotated with robot shank is vertical.
In the present embodiment, which is made of buttocks connector, robot thigh, robot shank three parts there are three tools Freedom degree, buttocks connector can be swung around body, and robot thigh can be swung around buttocks connector, robot shank It can be swung around robot thigh, allow the robot to realize straight trip, turning, climbing etc..The universal lower margin at sufficient end uses ball Hinge greatly enhances the flexibility at robot foot end, is suitable for unstructuredness environment.Meanwhile structure-based improvement, so that its Have the advantages that impact resistance ability is strong, with stronger unstructuredness adaptive capacity to environment.
It further include solenoid valve in the present embodiment, solenoid valve is connected with cross cylinder, thigh oil cylinder, shank oil cylinder respectively.It should Leg is driven by cross cylinder, thigh oil cylinder and shank oil cylinder, is controlled oil cylinder displacement by solenoid-operated proportional reversal valve, is realized robot Walking.
Further, as shown, further including the intermediate support being arranged on robot thigh, thigh oil cylinder, shank oil Cylinder passes through intermediate support respectively and is connected with robot thigh.Preferably, being respectively set on robot thigh, robot shank There are several fabrication holes, to reduce the weight of robot thigh, robot shank, to improve under the premise of proof strength The load of robot leg.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed New feature or any new combination, and disclose any new method or process the step of or any new combination.

Claims (9)

1. a kind of hydraulic drive type heavy duty hexapod robot leg, which is characterized in that including the machine for being connected with robot body Body connecting plate, buttocks connector, robot thigh, robot shank, ground support, root joint shaft, cross cylinder, hip close Shaft, thigh oil cylinder, knee joint shaft, shank oil cylinder are saved, described joint shaft is arranged on buttocks connector and root joint Shaft can opposite buttocks connector rotation, the both ends of the cross cylinder be connected respectively with fuselage connecting plate with buttocks connector and Cross cylinder can drive buttocks connector to rotate relative to fuselage connecting plate;
It is flexibly connected between the buttocks connector and robot thigh by hip joint shaft and robot thigh is closed by hip Save shaft can opposite buttocks connector rotation, the both ends of the thigh oil cylinder are connected with robot thigh, buttocks connector respectively And thigh oil cylinder energy band mobile robot thigh is rotated relative to buttocks connector;
It is flexibly connected between the robot thigh and robot shank by knee joint shaft and robot shank is closed by knee The rotation of shaft energy opposed robots' thigh is saved, the both ends of the shank oil cylinder are connected with robot shank, robot thigh respectively And shank oil cylinder energy band mobile robot shank is rotated relative to robot thigh.
2. hydraulic drive type heavy duty hexapod robot leg according to claim 1, which is characterized in that the ground support For universal lower margin.
3. hydraulic drive type heavy duty hexapod robot leg according to claim 2, which is characterized in that further include being arranged ten thousand Resilient cushion on lower margin.
4. hydraulic drive type heavy duty hexapod robot leg according to claim 1, which is characterized in that the machine National People's Congress Several fabrication holes are respectively arranged on leg, robot shank.
5. hydraulic drive type heavy duty hexapod robot leg according to claim 1, which is characterized in that further include being arranged in machine Intermediate support on device National People's Congress leg, the thigh oil cylinder, shank oil cylinder pass through intermediate support and robot thigh phase respectively Even.
6. described in any item hydraulic drive type heavy duty hexapod robot legs according to claim 1 ~ 5, which is characterized in that the hip Joint shaft and knee joint shaft are parallel to each other, where axis direction and robot the shank rotation of the hip joint shaft Plane is vertical.
7. described in any item hydraulic drive type heavy duty hexapod robot legs according to claim 1 ~ 6, which is characterized in that further include Control piece, the control piece be one of solenoid-operated proportional reversal valve, electro-hydraulic reversing valve or a variety of, the control piece respectively with water Flat oil cylinder, thigh oil cylinder, shank oil cylinder are connected.
8. hydraulic drive type heavy duty hexapod robot leg according to claim 7, which is characterized in that the control piece and water Flat oil cylinder, thigh oil cylinder, between shank oil cylinder using whole driving.
9. hydraulic drive type heavy duty hexapod robot leg according to claim 7, which is characterized in that control piece is three, Using seperated driving between control piece and cross cylinder, thigh oil cylinder, shank oil cylinder.
CN201810931876.6A 2018-08-16 2018-08-16 A kind of hydraulic drive type heavy duty hexapod robot leg Withdrawn CN108909874A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294044A (en) * 2019-08-12 2019-10-01 吉林大学 A kind of large-scale heavy duty hexapod robot
CN110377042A (en) * 2019-08-12 2019-10-25 吉林大学 A kind of hexapod robot control system of hydraulic-driven
CN114348136A (en) * 2022-01-18 2022-04-15 上海交通大学 Multi-foot robot for curling

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CN104386157A (en) * 2014-11-17 2015-03-04 河北工业大学 Quadruped robot with flexible joints
CN104627265A (en) * 2015-01-13 2015-05-20 哈尔滨工业大学 Biped robot lower limb mechanism driven hydraulically
CN105292298A (en) * 2015-12-04 2016-02-03 哈尔滨工业大学 Three-section machine body type hexapod robot with transportation function and operation function fused
CN105501324A (en) * 2015-12-15 2016-04-20 中国北方车辆研究所 Simple three-DOF (degree of freedom) small-inertia bionic leg driven by hydraulic motors and applied to armed robot
CN106272337A (en) * 2016-08-25 2017-01-04 西南交通大学 A kind of wearable lower limb exoskeleton power-assisting robot
CN106428484A (en) * 2016-11-28 2017-02-22 东北石油大学 Self-adaption multi-legged ROV (Remote Operated Vehicle) for marine petroleum exploitation
CN106965871A (en) * 2017-05-04 2017-07-21 吉林大学 A kind of big carrying legged type robot leg structure
CN208715327U (en) * 2018-08-16 2019-04-09 西南科技大学 A kind of hydraulic drive type heavy duty hexapod robot leg

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104386157A (en) * 2014-11-17 2015-03-04 河北工业大学 Quadruped robot with flexible joints
CN104627265A (en) * 2015-01-13 2015-05-20 哈尔滨工业大学 Biped robot lower limb mechanism driven hydraulically
CN105292298A (en) * 2015-12-04 2016-02-03 哈尔滨工业大学 Three-section machine body type hexapod robot with transportation function and operation function fused
CN105501324A (en) * 2015-12-15 2016-04-20 中国北方车辆研究所 Simple three-DOF (degree of freedom) small-inertia bionic leg driven by hydraulic motors and applied to armed robot
CN106272337A (en) * 2016-08-25 2017-01-04 西南交通大学 A kind of wearable lower limb exoskeleton power-assisting robot
CN106428484A (en) * 2016-11-28 2017-02-22 东北石油大学 Self-adaption multi-legged ROV (Remote Operated Vehicle) for marine petroleum exploitation
CN106965871A (en) * 2017-05-04 2017-07-21 吉林大学 A kind of big carrying legged type robot leg structure
CN208715327U (en) * 2018-08-16 2019-04-09 西南科技大学 A kind of hydraulic drive type heavy duty hexapod robot leg

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294044A (en) * 2019-08-12 2019-10-01 吉林大学 A kind of large-scale heavy duty hexapod robot
CN110377042A (en) * 2019-08-12 2019-10-25 吉林大学 A kind of hexapod robot control system of hydraulic-driven
CN114348136A (en) * 2022-01-18 2022-04-15 上海交通大学 Multi-foot robot for curling
CN114348136B (en) * 2022-01-18 2023-08-22 上海交通大学 Curling multi-legged robot

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Application publication date: 20181130