CN201901889U - Mining hydraulic excavating machine - Google Patents
Mining hydraulic excavating machine Download PDFInfo
- Publication number
- CN201901889U CN201901889U CN2010206741777U CN201020674177U CN201901889U CN 201901889 U CN201901889 U CN 201901889U CN 2010206741777 U CN2010206741777 U CN 2010206741777U CN 201020674177 U CN201020674177 U CN 201020674177U CN 201901889 U CN201901889 U CN 201901889U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- big arm
- hydraulic cylinder
- horizontal axis
- forearm
- 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 - Lifetime
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a mining hydraulic excavating machine. A revolving support is arranged on the upper side of a frame, and a box body is arranged above the revolution support and is provided with a horizontal axis; the horizontal axis is provided with a rotating driving device, and the front end of the horizontal axis is connected with a rotating box; a work device is hinged on the rotating box; a big arm and a small arm respectively comprise a front segment and a rear segment, and the rotating driving device is connected between the front segments and the rear segments; the rotating box and the rear segment of the big arm are hinged with a hydraulic cylinder, and the front segment of the big arm and the rear segment of the small arm are hinged with the hydraulic cylinder, and the front segment of the small arm and a scraper bucket are hinged the hydraulic cylinder; and a running gear is arranged below the frame. The work device of the excavating machine can rotate around the horizontal axis along the axial direction, the rear segments of the big arm and the small arm can rotate around the front segments in axial direction, and a certain angle is formed between the front edge of the scraper bucket and the horizontal ground due to the axial movement in three parts, so that the excavating machine can execute operations of excavation, shovel and cutting and the like for ground, side surfaces and ceilings; and when the hydraulic excavating machine is used in a mining well, not only can do work such as cleaning the ground inventory, undercutting in workings and the like, but also can operate mine wall splitting and ceiling removing in workings.
Description
Technical field
The equipment that the utility model relates to a kind of hydraulic crawler excavator, particularly a kind of hydraulic crawler excavator and revolution are supported is connected and the slewing equipment of big arm and forearm.
Background technology
Excavator is to peel off material and the haulage vehicle or unload engineering machinery to rickyard of packing into scraper bowl from work plane shovel dress, and the manipulating object that excavator excavated mainly is soil, coal, silt and through soil and rock behind the pre-pine.The hydraulic crawler excavator organic frame, there is revolution to support on the frame, the fixation side that revolution is supported is connected on the frame, there is casing the rotating side top that revolution is supported, casing is hinged with by big arm; the hinged equipment that forms of forearm and scraper bowl; the big arm lower end of equipment is hinged in the revolution support; the front end of big arm is hinged with forearm; the front end of forearm is hinged with scraper bowl, and the front of scraper bowl is hinged with big arm hydraulic cylinder between the casing of big arm and revolution support rotating side top; be hinged with little arm hydraulic cylinder between big arm and the forearm; be hinged with the scraper bowl hydraulic cylinder between forearm and the scraper bowl, Hydraulic Station is arranged on the frame, the frame below of excavator also is connected with running gear along teeth is arranged.In the prior art, the big arm of excavator is to be hinged on revolution to support with locating, big arm and forearm all are one section rigid arm, big arm can only drive the upper and lower activity of forearm in vertical direction, excavator is when operation, operations such as the front of scraper bowl is along parallel with the ground of level all the time, and this excavator can only be implemented to excavate to the manipulating object on ground, shovel is cut can not be to having operations such as the side of certain angle and the manipulating object on the ceiling are implemented to excavate, shovel is cut with ground.Remove the ground stock and in the tunnel, undercut, split nation and remove the operation on top as often having in the down-hole, mine, above-mentioned excavator of the prior art can only satisfy operation such as remove the ground stock and undercut in the tunnel, can not do the side, tunnel is split nation and removed the operation on top.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, operation such as propose a kind ofly can implement to excavate, shovel is cut to the manipulating object on ground, also can be to the side of certain angle and the hydraulic excavator for mine that the manipulating object on the ceiling is implemented operations such as excavating, shovel is cut being arranged with ground.
The utility model is realized with the following method.
Invention scheme of the present utility model is: equipment is hinged on revolution supports on the rotating side on the horizontal axis on the square box, little and forearm is divided into forward and backward two sections big arm, equipment can be rotated around horizontal axis, the leading portion of big arm and forearm can be around the axial rotation of big arm back segment, make operations such as excavator can be implemented to excavate to the manipulating object on ground, shovel is cut, also can be to operations such as the side of certain angle and the manipulating object on the ceiling are implemented to excavate, shovel is cut being arranged with ground.
For realizing the foregoing invention scheme, the hydraulic excavator for mine organic frame, there is revolution to support above the frame, the fixation side that revolution is supported is connected on the frame, there is casing the rotating side top that revolution is supported, horizontal axis is arranged on the casing, the front end that horizontal axis stretches out casing is connected with the commentaries on classics case, the drive unit that horizontal axis is arranged on the casing, changeing case is hinged with by big arm; the hinged successively equipment that forms of forearm and scraper bowl; the big arm lower end of equipment is hinged on changes on the case; big arm and forearm are respectively by preceding; back two sections connect to form, and before big arm and the forearm; be connected with rotary connecting device respectively between back two sections, rotary connecting device has the central siphon that is connected in leading portion and is connected in the axle core of back segment; central siphon is enclosed within outside the core; rotary connecting device is connected with drive unit, changes between case and the big arm back segment being hinged with big arm hydraulic cylinder, is hinged with little arm hydraulic cylinder between the leading portion of big arm and the back segment of forearm; be hinged with the scraper bowl hydraulic cylinder between the leading portion of forearm and the scraper bowl, and there is running gear the frame below.
Equipment of the present utility model is hinged on that horizontal axis stretches out on the commentaries on classics case of casing front end on the casing, horizontal axis on the casing is connected with the horizontal axis drive unit, the horizontal axis driver can drive equipment and rotate around horizontal axis, makes the front of scraper bowl along the ground with level certain angle be arranged; Big arm and forearm all are by preceding, the back connects to form for two sections, before, be connected with central siphon and axle core between the back segment, drive unit between central siphon and the axle core can drive leading portion and rotate around the axle of back segment, can make the front of scraper bowl certain angle be arranged along ground with level, equipment is around the axial rotation of horizontal axis and big arm; the leading portion of forearm rotates around the axle of back segment; can make the front of scraper bowl along the ground with level bigger angle be arranged; by design; can make the front of scraper bowl that the angles of 180 degree are arranged along the ground with level; can be to having the side of certain angle and ceiling to implement to excavate with ground; shovel is cut and waited operation; when using in the down-hole, mine; can not only satisfy removing ground stock and operation such as undercut in the tunnel, also can split nation and remove the operation on top in the tunnel.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is that the master of a kind of hydraulic excavator for mine of proposing according to invention scheme of the present utility model looks schematic diagram;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is that schematic diagram cuts open in I place office among Fig. 1;
Fig. 4 is the A-A section partial schematic diagram of Fig. 3;
Fig. 5 is that schematic diagram cuts open in II place office among Fig. 1;
Fig. 6 is that schematic diagram cuts open in III place office among Fig. 1;
Fig. 7 is the B-B generalized section of Fig. 5;
Fig. 8, Fig. 9 be among Fig. 5 between big arm front and rear sections the office of cam-type central siphon and axle core drive unit cut open schematic diagram;
Figure 10 is that the drive unit of horizontal axis is that schematic diagram cuts open in I place office among Fig. 1 of motor reducer or hydraulic motor;
Figure 11 is that the horizontal axis drive unit is that schematic diagram cuts open in I place office among Fig. 1 of cam-type drive unit;
Figure 12 is the C-C generalized section of Figure 11;
Figure 13 ~ Figure 15 is that schematic diagram cuts open in the master office of looking of the wheeled horizontal axis drive unit of Figure 11 convexity;
Figure 16 is that the drive unit of central siphon and axle core is that enlarged diagram cuts open in II place office among Fig. 1 of motor reducer or hydraulic motor between big arm front and rear sections;
Figure 17 is that the drive unit of central siphon and axle core is that enlarged diagram cuts open in III place office among Fig. 1 of motor reducer or hydraulic motor between the forearm front and rear sections;
Figure 18 is that the running gear of frame below is to look schematic diagram through the master that hydraulic cylinder is connected with the hydraulic excavator for mine of wheel;
Figure 19 is that the running gear of frame below is that the master of the hydraulic crawler excavator of cterpillar drive looks schematic diagram.
The specific embodiment
Among Fig. 1 ~ Fig. 9; Hydraulic excavator for mine organic frame 1; There is revolution to support 2 above the frame; The fixation side that revolution is supported is connected on the frame; There is casing 3 the rotating side top that revolution is supported; Trunnion axis 4 is arranged on the casing; The front end that trunnion axis stretches out casing is connected with and turns to case 5; Turning to case is hinged with by big arm 6; Forearm 7 and scraper bowl 8 be the hinged equipment that forms successively; The drive unit that trunnion axis is arranged on the casing; The drive unit of trunnion axis has on casing the slideway 9 with Horizontal-shaft vertical; Having on the slideway can be along the tooth bar 10 of slideway slip; The gear 11 that is meshed with tooth bar is arranged on the trunnion axis; There is the trunnion axis parallel with slideway to drive hydraulic cylinder 12 on the casing; Trunnion axis drives the piston rod front end of hydraulic cylinder and an end of tooth bar is connected with connecting rod 13; The big arm lower end of equipment is hinged on turns on the case; Big arm and forearm are respectively by front; Rear two section 14; 15 and 16; 17 connect to form; Before big arm and the forearm; Be connected with respectively rotary connecting device 18 between rear two sections; 19; Rotary connecting device has the central siphon 20 that is connected in leading portion and the axle core 21 that is connected in back segment; Central siphon is enclosed within outside the axle core; Rotary connecting device is connected with Cam type driving device; The axle core of Cam type driving device is pipe axle core; On the pipe axle core tube wall axial strip hole 22 is arranged; At the central siphon wall threaded hole 23 is arranged; Back segment at big arm and forearm is fixed with respectively big arm driving hydraulic cylinder 24 and forearm driving hydraulic cylinder 25; Big arm and forearm drive the piston rod 26 of hydraulic cylinder; 27 are inserted in respectively corresponding pipe axle in-core; The axial strip hole and the interior radial peg 28 of the threaded hole on the central siphon wall that are inserted on the pipe axle core tube wall are arranged on the piston rod; Turn between case and the big arm back segment and be hinged with big arm hydraulic cylinder 29; Be hinged with forearm hydraulic cylinder 30 between the leading portion of big arm and the back segment of forearm; Be hinged with scraper bowl hydraulic cylinder 31 between the leading portion of forearm and the scraper bowl.
There is slide type running gear 33 the frame below.
When the piston of above-mentioned big arm driving hydraulic cylinder and forearm driving hydraulic cylinder is flexible, radial peg on the piston rod can endwisely slip in the axial strip hole on the pipe axle core tube wall, when sliding vertically in the axial strip hole of radial peg on pipe axle core tube wall, be inserted in radial peg on the piston rod of threaded hole on the central siphon wall and can promote central siphon and rotate, promptly promote leading portion and rotate.Radial peg in the threaded hole of being inserted in is arranged on the piston rod of this drive unit, and threaded hole is equivalent to cam curve, and radial peg is equivalent to the cam connector, can rotate by drive shaft tube during the piston rod rectilinear motion, and be the equal of camming movement.
It is the gear rack actuating device of Driven by Hydraulic Cylinder that the drive unit of going up horizontal axis on the square box is supported in above-mentioned hydraulic excavator for mine revolution.It also can be motor reducer or hydraulic motor that the drive unit of going up horizontal axis on the square box is supported in the hydraulic excavator for mine revolution, also can be the cam-type drive unit.
Among Figure 10, the hydraulic excavator for mine revolution is supported to go up on the square box motor reducer or hydraulic motor 34, and motor reducer or hydraulic motor output shaft link to each other with horizontal axis.
Among Figure 11 ~ Figure 15, it is the cam-type drive unit that the drive unit of going up horizontal axis on the square box is supported in the hydraulic excavator for mine revolution.Identical with the connection between above-mentioned big arm and forearm forward and backward two sections with the cam-type drive unit, horizontal axis on the casing 35 is central siphon 36 and the pipe axle core 37 that is nested together, the front end that central siphon stretches out casing is connected on the commentaries on classics case 38, pipe axle core is connected on the casing, on the pipe axle core tube wall axial strip hole 39 is arranged, threaded hole 40 is arranged on the central siphon wall, hydraulic cylinder 41 is arranged on the casing, the piston rod 42 of hydraulic cylinder is inserted in pipe axle in-core, and the axial strip hole and the interior radial peg 43 of the threaded hole on the central siphon wall that are inserted on the pipe axle core tube wall are arranged on the piston rod.
Between central siphon between forward and backward two sections of above-mentioned big arm and forearm and the axle core cam-type drive unit is arranged.Between central siphon between forward and backward two sections of big arm and forearm and axle core also can be motor reducer or hydraulic motor.
Among Figure 16, the leading portion of big arm has motor reducer or hydraulic motor 44, and motor reducer or hydraulic motor output shaft link to each other with the axle core that is connected in big arm back segment.
Among Figure 17, the leading portion of forearm has motor reducer or hydraulic motor 45, and motor reducer or hydraulic motor output shaft link to each other with the axle core that is connected in the forearm back segment.
The running gear of above-mentioned hydraulic excavator for mine frame below is a slide plate, when mobile, needs to use in addition draw-gear, and hydraulic excavator for mine is required great effort when mobile.
In order to move easily, can be at frame positioned beneath wheel.
Among Figure 18, it can be rail wheel that there are wheel 46, wheel in the frame of hydraulic excavator for mine below, is connected with hydraulic cylinder 47 between wheel and the frame.During use, regain wheel with hydraulic cylinder, allow frame drop on operation on the ground, stretch out wheel when mobile, wheel drops on the ground or drops on the track, has the hydraulic excavating locomotive of wheel to push away, draw walking on the ground or in orbit at an easy rate.
Above-mentioned hydraulic excavator for mine can not be walked certainly, in order to walk certainly, below the frame self-walking apparatus can be arranged, and self-walking apparatus has the drive unit of wheel and wheel.Self-walking apparatus can be the crawler type self-walking apparatus.
Among Figure 19, there is crawler type self-walking apparatus 48 frame of hydraulic excavating locomotive below.
When above-mentioned hydraulic excavator for mine used under mine, hydraulic test can be with the hydraulic power source under the mine.Also Hydraulic Station can be arranged on frame.
Among Fig. 1, Fig. 2, Figure 18, Figure 19, Hydraulic Station 49 is arranged on the frame of hydraulic excavator for mine.
Claims (10)
1. hydraulic excavator for mine, organic frame, there is revolution to support above the frame, the fixation side that revolution is supported is connected on the frame, there is casing the rotating side top that revolution is supported, it is characterized in that: horizontal axis is arranged on the casing, the front end that horizontal axis stretches out casing is connected with the commentaries on classics case, the drive unit that horizontal axis is arranged on the casing, changeing case is hinged with by big arm; the hinged successively equipment that forms of forearm and scraper bowl; the big arm lower end of equipment is hinged on changes on the case; big arm and forearm are respectively by preceding; back two sections connect to form, and before big arm and the forearm; be connected with rotary connecting device respectively between back two sections, rotary connecting device has the central siphon that is connected in leading portion and is connected in the axle core of back segment; central siphon is enclosed within outside the core; rotary connecting device is connected with drive unit, changes between case and the big arm back segment being hinged with big arm hydraulic cylinder, is hinged with little arm hydraulic cylinder between the leading portion of big arm and the back segment of forearm; be hinged with the scraper bowl hydraulic cylinder between the leading portion of forearm and the scraper bowl, and there is running gear the frame below.
2. by the described hydraulic excavator for mine of claim 1, it is characterized in that: the drive unit of described horizontal axis is the gear rack actuating device of Driven by Hydraulic Cylinder, the gear rack actuating device of Driven by Hydraulic Cylinder has slideway vertical with horizontal axis on casing, having on the slideway can be along the tooth bar of slideway slip, the gear that is meshed with tooth bar is arranged on the horizontal axis, have the horizontal axis parallel with slideway to drive hydraulic cylinder on the casing, horizontal axis drives the piston rod front end of hydraulic cylinder and an end of tooth bar is connected with connecting rod.
3. by the described hydraulic excavator for mine of claim 1, it is characterized in that: the drive unit of described horizontal axis is the cam-type drive unit, the horizontal axis of cam-type drive unit on casing is central siphon and the pipe axle core that is nested together, the front end that central siphon stretches out casing is connected with the commentaries on classics case, pipe axle core is connected on the casing, on the pipe axle core tube wall axial strip hole is arranged, on the central siphon wall, threaded hole is arranged, hydraulic cylinder is arranged on the casing, the piston rod of hydraulic cylinder is inserted in pipe axle in-core, and the axial strip hole and the interior radial peg of the threaded hole on the central siphon wall that are inserted on the pipe axle core tube wall are arranged on the piston rod.
4. by the described hydraulic excavator for mine of claim 1, it is characterized in that: the drive unit of described horizontal axis is motor reducer or hydraulic motor, motor reducer or driving device for hydraulic motor have motor reducer or the hydraulic motor on square box in the hydraulic excavator for mine revolution support, and motor reducer or hydraulic motor output shaft link to each other with horizontal axis.
5. by claim 1,2,3 or 4 described hydraulic excavator for mine, it is characterized in that: before described big arm and the forearm, the drive unit of rotary connecting device is the cam-type drive unit between back two sections, the axle core of cam-type drive unit is a pipe axle core, on the pipe axle core tube wall axial strip hole is arranged, on the central siphon wall, threaded hole is arranged, back segment at big arm and forearm is fixed with big arm driving hydraulic cylinder and forearm driving hydraulic cylinder respectively, the piston rod that big arm and forearm drive hydraulic cylinder is inserted in corresponding pipe axle in-core respectively, and the axial strip hole and the interior radial peg of the threaded hole on the central siphon wall that are inserted on the pipe axle core tube wall are arranged on the piston rod.
6. by claim 1,2,3 or 4 described hydraulic excavator for mine, it is characterized in that: the drive unit of rotary connecting device is motor reducer or hydraulic motor between forward and backward two sections of described big arm and forearm, motor reducer or driving device for hydraulic motor have motor reducer or the hydraulic motor at big arm leading portion, motor reducer or hydraulic motor output shaft link to each other with the axle core that is connected in big arm back segment, at the motor reducer or the hydraulic motor of forearm leading portion, motor reducer or hydraulic motor output shaft link to each other with the axle core that is connected in the forearm back segment.
7. by claim 1,2,3 or 4 described hydraulic excavator for mine, it is characterized in that: wheel or crawler type self-walking apparatus that the running gear of described frame below is slide plate, wheel, link to each other with hydraulic cylinder.
8. by the described hydraulic excavator for mine of claim 5, it is characterized in that: wheel or crawler type self-walking apparatus that the running gear of described frame below is slide plate, wheel, link to each other with hydraulic cylinder.
9. by the described hydraulic excavator for mine of claim 6, it is characterized in that: wheel or crawler type self-walking apparatus that the running gear of described frame below is slide plate, wheel, link to each other with hydraulic cylinder.
10. by claim 1,2,3 or 4 described hydraulic excavator for mine, it is characterized in that: on the described frame Hydraulic Station is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206741777U CN201901889U (en) | 2010-12-22 | 2010-12-22 | Mining hydraulic excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206741777U CN201901889U (en) | 2010-12-22 | 2010-12-22 | Mining hydraulic excavating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201901889U true CN201901889U (en) | 2011-07-20 |
Family
ID=44272490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206741777U Expired - Lifetime CN201901889U (en) | 2010-12-22 | 2010-12-22 | Mining hydraulic excavating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201901889U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031797A (en) * | 2010-12-22 | 2011-04-27 | 辽宁鑫丰矿电设备制造有限公司 | Mining hydraulic excavator |
| CN102561425A (en) * | 2011-12-27 | 2012-07-11 | 燕山大学 | Four-degree-of-freedom connecting rod working mechanism containing composite hinges |
| CN103255794A (en) * | 2013-04-09 | 2013-08-21 | 常熟建工建设集团有限公司苏州分公司 | Multifunctional excavator |
| CN107989619A (en) * | 2017-12-20 | 2018-05-04 | 佛山科学技术学院 | A kind of telescopic shoveling arm of tunnelling |
| CN109881725A (en) * | 2019-04-15 | 2019-06-14 | 翟文 | Coal mine desilting equipment and coal mine desilting system |
-
2010
- 2010-12-22 CN CN2010206741777U patent/CN201901889U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031797A (en) * | 2010-12-22 | 2011-04-27 | 辽宁鑫丰矿电设备制造有限公司 | Mining hydraulic excavator |
| CN102561425A (en) * | 2011-12-27 | 2012-07-11 | 燕山大学 | Four-degree-of-freedom connecting rod working mechanism containing composite hinges |
| CN103255794A (en) * | 2013-04-09 | 2013-08-21 | 常熟建工建设集团有限公司苏州分公司 | Multifunctional excavator |
| CN107989619A (en) * | 2017-12-20 | 2018-05-04 | 佛山科学技术学院 | A kind of telescopic shoveling arm of tunnelling |
| CN107989619B (en) * | 2017-12-20 | 2024-05-31 | 佛山科学技术学院 | Telescopic excavating arm for tunnel excavation |
| CN109881725A (en) * | 2019-04-15 | 2019-06-14 | 翟文 | Coal mine desilting equipment and coal mine desilting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102031797B (en) | Mining hydraulic excavator | |
| CN201901889U (en) | Mining hydraulic excavating machine | |
| CN102704943A (en) | Shield structure formed by shallow tunneling method in air-pressure mode | |
| CN105297807A (en) | Integrated trench open cutting heading machine with automatic backfill function | |
| CN103244131A (en) | Annular beam rock drilling device of tunnel boring machine | |
| CN106089274A (en) | A kind of multifunctional tunnel driving supporting machine | |
| CN111997643A (en) | Multi-hammer type tunnel boring machine, control method and application | |
| CN206111195U (en) | Bulldozing car for tunnel construction | |
| CN101736763B (en) | Foundation pit excavator | |
| CN103103997A (en) | Hydraulic excavator in coal mine | |
| CN102936905B (en) | A kind of colliery crushing and loading roadway repairer | |
| CN202925582U (en) | Coal mine underground hydraulic excavator | |
| CN205840902U (en) | A kind of multifunctional tunnel driving supporting machine | |
| CN104373122A (en) | Digging and anchoring device for coal collection by using star wheel | |
| CN202788862U (en) | Air pressure mode shallow-buried excavation shield tunneling machine | |
| CN203668994U (en) | Ditcher | |
| CN105003276A (en) | Special tunnel excavator | |
| CN105134241A (en) | Fillet triangle tunnel excavator | |
| CN201007007Y (en) | Digger | |
| CN103953083A (en) | Stepped earthwork construction excavator of underground passage | |
| CN202730812U (en) | Rapid construction groove wall machine | |
| CN209510332U (en) | Tunnelling device | |
| CN202809671U (en) | Freestyle excavator | |
| CN207538094U (en) | A kind of multifunctional excavator | |
| CN102061713A (en) | Coal charging machine for blasting driving face of coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110720 Effective date of abandoning: 20120111 |