CN208802479U - Double-directional rotary delivery trolley - Google Patents

Double-directional rotary delivery trolley Download PDF

Info

Publication number
CN208802479U
CN208802479U CN201821352002.7U CN201821352002U CN208802479U CN 208802479 U CN208802479 U CN 208802479U CN 201821352002 U CN201821352002 U CN 201821352002U CN 208802479 U CN208802479 U CN 208802479U
Authority
CN
China
Prior art keywords
track
railway carriage
double
walking
delivery trolley
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.)
Withdrawn - After Issue
Application number
CN201821352002.7U
Other languages
Chinese (zh)
Inventor
罗升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201821352002.7U priority Critical patent/CN208802479U/en
Application granted granted Critical
Publication of CN208802479U publication Critical patent/CN208802479U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Toys (AREA)

Abstract

The utility model discloses Double-directional rotary delivery trolleies, including vehicle frame, railway carriage and track, further include truck assemblies, walking structure, hoofing part structure and rotation drive structure;It is additionally provided with controller on vehicle frame, is equipped with horizontal stable component in railway carriage.The utility model makes railway carriage remain that steadily railway carriage will not rotate or rise and fall with the variation of track in Orbit revolutionary by truck assemblies and rotation drive structure;It is realized by the horizontal stable component in railway carriage and the railway carriage inclination angle of delivery trolley is measured, when railway carriage is in nonequilibrium condition, controller controls rotation drive structure by the change of pitch angle amount surveyed to adjust the rotational angle of vehicle frame, and walking structure and hoofing part structure itself can all be rotated in Orbit revolutionary, it not will drive railway carriage to rotate together, railway carriage is set to be in horizontality always, it can prevent cargo from overturning, rolling in railway carriage, cargo is avoided to collide and be damaged with railway carriage.

Description

Double-directional rotary delivery trolley
Technical field
The utility model relates to logistics distribution field, especially a kind of Double-directional rotary delivery trolley.
Background technique
With information-based high speed development, e-commerce and the combination of logistic industry are more and more closer, so that logistic industry Fast-developing towards efficient and quick feature, one of main cause is exactly the continuous development of the delivery system in logistic industry And utilization.When carried out in logistic industry with goods, dispensing, greatly saved using the delivery system that track and delivery trolley cooperate Distribution time.
Currently, above-mentioned delivery system starts tentatively to be used in people's daily life, it is main to apply to hospital, figure In book shop, for carrying out the dispatching of medical article or other general cargos, sent by being arranged on external wall of building or indoor wall Goods track recycles delivery trolley that can dispense to article.The railway carriage of delivery trolley is for loading cargo to be dispensed, when sending Goods trolley encounter track transition, turning or through fluctuating, ascending track when, due to railway carriage can be rotated with the variation of track or on It has a downwarp, is unable to held stationary, the cargo in railway carriage can be flipped, roll, and be easy to cause the damage of cargo.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Double-directional rotary delivery trolley, railway carriage can be Remain horizontal when Orbit revolutionary.
To solve above-mentioned technical problem the technical scheme adopted by the utility model is Double-directional rotary delivery trolley, including Vehicle frame, railway carriage and track further include truck assemblies, walking structure, hoofing part structure and rotation drive structure;
The truck assemblies are flexibly connected with vehicle frame and can horizontally rotate;
The hoofing part structure is flexibly connected with truck assemblies and can rotate vertically;
The walking structure is fixed on truck assemblies and can move under the drive of walking driving structure along track;
The rotation drive structure is arranged on vehicle frame and connect with railway carriage, and railway carriage can be under the drive of rotation drive structure Horizontally rotate;
It is additionally provided with controller on the vehicle frame, is equipped with horizontal stable component in railway carriage;The controller drives with rotation respectively Dynamic structure, the electrical connection of horizontal stable component.
Further, the truck assemblies are made of the first bogie and the second bogie, the hoofing part knot Structure is fixed on the second bogie, and the second bogie is flexibly connected with the first bogie and can rotate vertically, and the first bogie can Horizontally rotate.
Further, the hoofing part structure includes travel driving motor, walking driving member and transmission gear, it is described Track is equipped with the rack gear extended along track, and travel driving motor is fixed on the second bogie, and walking driving member and walking are driven Dynamic motor drive connection, transmission gear are sequentially connected with walking driving member and are meshed with rack gear.
Further, the walking driving member is gear transmission structure or drive structure of gear worm.
Further, the walking structure is equipped at least one set of roll wheel assembly matched with track.
Further, the walking structure is equipped with the roll wheel assembly that at least two groups are matched with track, two groups of idler wheels It is arranged in parallel before and after component.
Further, the roll wheel assembly is made of two vertical idler wheels and a horizontal roller, the track is convex The two sides of side track, track are equipped with circular arc chimb;Vertical idler wheel and horizontal roller clamp circular arc chimb.
Further, the rotation drive structure includes rotational drive motor, shaft and rotation driving member, the rotation Driving motor is fixed on vehicle frame, and rotation driving member and rotational drive motor are sequentially connected;One end of shaft is connect with vehicle frame, separately One end and rotation driving member transmission connection.
Further, the rotation driving member is gear transmission structure or drive structure of gear worm.
Further, the horizontal stable component is gyroscope and acceleration sensor.
The beneficial effects of the utility model are: the utility model makes railway carriage exist by truck assemblies and rotation drive structure Remain steady when Orbit revolutionary, railway carriage will not rotate or rise and fall with the variation of track;Pass through the horizontal stable in railway carriage Component, which is realized, measures the railway carriage inclination angle of delivery trolley, and when railway carriage is in nonequilibrium condition, controller is become by surveyed inclination angle Change amount controls rotation drive structure to adjust the rotational angle of vehicle frame, and walking structure and hoofing part structure itself all can be in-orbit Road is rotated when changing, and not will drive railway carriage and is rotated together, railway carriage is made to be in horizontality always, cargo can be prevented in vehicle Overturning, rolling, avoid cargo from colliding and be damaged with railway carriage in case.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the utility model;
Fig. 2 is the front view of the first fit system of the utility model track and walking structure;
Fig. 3 is the side view of the utility model;
Fig. 4 is the axonometric drawing in the utility model after railway carriage rotation;
Fig. 5 is the axonometric drawing of track;
Fig. 6 is the schematic diagram that the utility model passes through warp rail;
Fig. 7 is the rotation schematic diagram of truck assemblies when the utility model passes through warp rail;
Fig. 8 the utility model passes through the schematic diagram of fluctuating track;
Fig. 9 is the rotation schematic diagram of hoofing part structure when the utility model passes through fluctuating track;
Figure 10 is the rotation schematic diagram of hoofing part structure when the utility model passes through fluctuating track;
Figure 11 is the front view of second of fit system of the utility model track and walking structure;
Figure 12 is the front view of the third fit system of the utility model track and walking structure;
Figure 13 is the bottom view that the utility model uses second of chimb track;
In the figure, it is marked as 1- vehicle frame, 2- railway carriage, 3- track, 31- rack gear, 32- circular arc chimb, 4- truck assemblies, 41- First bogie, the second bogie of 42-, 5- walking structure, the vertical idler wheel of 51-, 52- horizontal roller, 6- hoofing part structure, 61- travel driving motor, 62- walking driving member, 63- transmission gear, 7- rotation drive structure, 71- rotational drive motor, 72- Shaft, 73- rotate driving member.
Specific embodiment
The utility model is further detailed with reference to the accompanying drawing for the ease of understanding the utility model,.
Double-directional rotary delivery trolley described in the utility model, as shown in Figures 1 to 4, in vehicle frame 1, railway carriage 2 and track 3 Structure basis on, in order to guarantee that holding during running with track 3 of delivery trolley is horizontal, be also provided with truck assemblies 4, walking structure 5, hoofing part structure 6 and turn to driving structure 7, truck assemblies 4 at least one, general setting two, vehicle Each one of the front and back of frame 1.For existing delivery trolley during running with track, railway carriage with body frame structure for automotive due to fixing, no Its rotation direction can be voluntarily controlled, but as body frame structure for automotive moves together, if track encounters turning or rises and falls, railway carriage is inevitable Can occur in rotation or vertical direction in horizontal direction it is sagging, raise up, can undoubtedly allow the cargo in railway carriage to roll, be easy to make It is impaired at cargo.The utility model is meant to ensure that delivery trolley is always maintained at level during running along track, can have Effect guarantees that cargo will not roll impaired in railway carriage.
Truck assemblies 4 are flexibly connected with vehicle frame 1 and can rotate vertically in the utility model, truck assemblies 4 it is specific Structure is as depicted in figs. 1 and 2, is made of the first bogie 41 and the second bogie 42, the first bogie 41 and the second bogie 42 quantity is consistent, and the first bogie 41 is consistent with the quantity of the second bogie 42, and two the first bogies 41 are arranged in parallel in On vehicle frame 1, the first bogie 41 is movably connected on vehicle frame 1 by the vertical axes perpendicular with vehicle frame 1, and the first bogie 41 can It is rotated in the horizontal direction around this vertical axes, it can track 3 is that benchmark face horizontally rotates.And the second bogie 42 itself not with Vehicle frame 1 is directly connected to, but is arranged on the first bogie 41, and second bogie is connected on each first bogie 41 42, the second bogie 42 is movably connected on the first bogie 41 by the trunnion axis parallel with vehicle frame 1, then the second bogie 42 It can be rotated in the vertical direction around this trunnion axis, it can track 3 is that benchmark face rotates vertically.First bogie 41 and second turn It is not dependent on power to the rotation of frame 42, but as shown in Fig. 6 to Figure 10, it is rotated according to the variation of track 3.
The power resources that delivery trolley moves on the track 3 in the utility model in hoofing part structure 6, as shown in Fig. 2, Hoofing part structure 6 includes that travel driving motor 61, walking driving member 62 and transmission gear 63, travel driving motor 61 are fixed on On second bogie 42, walking driving member 62 and travel driving motor 61 are sequentially connected, and transmission gear 63 is driven with walking Part 62 is sequentially connected, then cooperates walking structure 5 and track 3, as shown in figure 5, track 3 is chimb track, track 3 is equipped with along track The two sides of 3 rack gears 31 extended and track 3 are equipped with circular arc chimb 32, and transmission gear 63 is meshed with rack gear;Company among track 3 Whole plate structure can be used in binding structure, can also be used and multiple is arranged in parallel between two circular arc chimbs 32 single connection strap knot Structure;As shown in figure 13, according to single connection strap structure, circular arc chimb 32 can then be set as cylindrical body, i.e. the structure of track 3 is more A connection strap connects two cylindrical bodies disposed in parallel and constitutes, can effectively save production cost.As shown in Figures 1 to 4, walking knot Structure 5 is equipped at least one set of roll wheel assembly matched with track 3, and roll wheel assembly is by two vertical idler wheels 51 and a horizontal rolling 52 composition of wheel, two vertical idler wheels 51 are located on same vertical line, and every group of roll wheel assembly on walking structure 5 is all mutually flat Row, vertical idler wheel 51 and horizontal roller 52 clamp circular arc chimb 32, and walking structure 5 and track 3 are worked in coordination and limited, and erect Straight idler wheel 51 guarantee delivery trolley in the up-down direction will not sideslip, and horizontal roller 52 then guarantees delivery trolley in left and right directions On will not sideslip, guarantee walking structure 5 and track 3 without departing from not only can guarantee the stability of delivery trolley travelling in this way, also It can guarantee that track 3 is arranged delivery trolley when on vertical metope or ceiling and does not fall out.Except track 3 described in above content Outside the fit system of walking structure 5, as is illustrated by figs. 11 and 12, channel suspending rail also can be used and the track that turns up;Such as Figure 11 institute Show, the roll wheel assembly of walking structure 5 is clamped in inside groove by track 3, and the vertical idler wheel 51 of roll wheel assembly is born against in track 3 Inside groove top and bottom, horizontal roller 52 is resisted against the inside groove side of track 3, limited by track 3 to roll wheel assembly, roller group Part is clamped in the inside groove of track 3 using inline mode, makes roll wheel assembly without departing from track;As shown in figure 12, turn up track Circular arc chimb 32 is provided at the flange of channel suspending rail, vertical idler wheel 51 and horizontal roller 52 clamp circular arc chimb 32, this Embedded and two kinds of limit methods of outer clip are used in kind fit structure simultaneously, the vertical idler wheel 51 below roll wheel assembly embeds in-orbit In the inside groove in road 3, while roll wheel assembly clamps the circular arc chimb 32 of track 3, so that roll wheel assembly will not be de- with the track that turns up From.Travel driving motor 61 works, and is rotated by walking driving member 62 with nutating gear 63, due to transmission gear 63 and rack gear 3 are meshed, and allow for transmission gear 63 and roll along rack gear 3, then realize the movement of delivery trolley on the track 3.
In the fit system of above-mentioned three kinds of tracks 3 and walking structure 5, when using chimb track, on each walking structure 5 The two groups of roll wheel assemblies in left and right can be only set, i.e., in one group of roll wheel assembly of each side setting of truck assemblies 4, due to this In fit system, roll wheel assembly is located at the outside of track 3, is equivalent to track 3 and limits to the first bogie 41, and first turns to The rotation of frame 41 in the horizontal direction is controlled by track 3 completely, can only be rotated with the bending change of track 3, if track 3 is not Bending then the first bogie 41 by track 3 limit without being able to rotate, when meeting barrier on the way, since the first bogie 41 cannot be It is voluntarily rotated outside the limitation of track 3, then will not derail but can be stuck at barrier and delivery trolley is made to stop;Certainly, it uses When chimb track, in order to improve stability of the delivery trolley in high-speed cruising, can also truck assemblies 4 each side Two groups of roll wheel assemblies are set.Using channel suspending rail and turn up track when, need that four groups of roller groups are at least arranged on each walking structure 5 Part, i.e., it is parallel before and after two groups of roll wheel assemblies of each side setting of truck assemblies 4, two groups of ipsilateral roll wheel assemblies, if One group of roll wheel assembly is only arranged in 4 left and right sides of truck assemblies, and the steering of the first bogie 41 is not exclusively controlled by track 3, If meeting barrier on the way, the first bogie 41 can be influenced by barrier and be deflected in track 3, the deflection of the first bogie 41 Degree it is excessive then can delivery trolley derailing, therefore, using channel suspending rail and turn up track when, the left and right sides of truck assemblies 4 Two groups of roll wheel assemblies of each setting are needed, is equivalent to and the first bogie 41 is limited by ipsilateral two groups of front and back roll wheel assembly, Two groups of front and back roll wheel assembly is arranged on the first bogie 41, and what can be rotated in the horizontal direction is the first bogie 41, and is rolled Wheel assembly itself will not rotate in the horizontal direction, if then track 3 is not bent, even if meeting barrier on the way, and the first bogie 41 It will not deflect in track 3 under the influence of barrier and delivery trolley is made to derail, can only make to send trolley parking back to.
Since hoofing part structure 6 is fixed on the second bogie 42, when delivery trolley encounters fluctuating track, such as Fig. 8 To shown in Fig. 9, hoofing part structure 6 is understood the guidance by track 3 and is rotated vertically, drives the second bogie 42 to rotate simultaneously, vehicle Case 2 is then unaffected, still maintains horizontal.
On the basis of truck assemblies 4, it is also provided with rotation drive structure 7 in the utility model, water is carried out to railway carriage 2 The adjusting at flat inclination angle because while railway carriage 2 will not rotate together with truck assemblies 4, but is influenced, railway carriage 2 by fortune function inertia A degree of deflection is inevitably had in the horizontal direction, railway carriage 2 is made to be in nonequilibrium condition, this just needs to rotate drive Dynamic structure 7 is corrected the angle of railway carriage 2, is equipped with and is used in the controller on vehicle frame 1 and being arranged in railway carriage 2 To the horizontal stable component that the balance of delivery trolley is adjusted, horizontal stable component is made of gyroscope and acceleration sensor, Controller is electrically connected with rotation drive structure 7, gyroscope, acceleration transducer respectively.The specific structure of rotation drive structure 7 As shown in figure 3, including that rotational drive motor 71, shaft 72 and rotation driving member 73, rotational drive motor 71 are fixed on vehicle frame 1 On, rotation driving member 73 and rotational drive motor 71 are sequentially connected;One end of shaft 72 is connect with vehicle frame 1, the other end and rotation Driving member 73 is sequentially connected.When being in nonequilibrium condition after the turning of railway carriage 2, pass through the gyroscope and acceleration biography in railway carriage 2 Sensor can measure the inclination angle of railway carriage 2, and tilt signals are passed to controller, acceleration sensing for gyroscope by specific procedure Pitch velocity is passed to controller by device, and controller is then according to the variable quantity at inclination angle, after inter-process, will be executed signal and is passed Rotation drive structure 7 is passed, control rotation drive structure 7 realizes the rotation of vehicle frame 1 in the horizontal direction, makes railway carriage 2 in level Always in balance on direction.It is additionally provided with drive module in rotation drive structure 7, since the connection of drive module and motor is matched Ordinary skill in the art means in the prior art are combined into, details are not described herein again.
Hollow rotating shaft can be selected in shaft 72 in rotation drive structure 7, and the center of hollow rotating shaft is used to cabling, avoids outside Cabling influences delivery trolley travelling, and can play a protective role to route.
In the utility model, walk driving member 62 and all optional gear transmission structure of rotation driving member 73 or worm and gear Drive mechanism.

Claims (10)

1. Double-directional rotary delivery trolley, including vehicle frame (1), railway carriage (2) and track (3), it is characterised in that: further include bogie group Part (4), walking structure (5), hoofing part structure (6) and rotation drive structure (7);
The truck assemblies (4) are flexibly connected and can horizontally rotate with vehicle frame (1);
The hoofing part structure (6) is flexibly connected with truck assemblies (4) and can rotate vertically;
The walking structure (5) is fixed on truck assemblies (4) and can be under the drive of walking driving structure (6) along track (3) mobile;
The rotation drive structure (7) is arranged on vehicle frame (1) and connect with railway carriage (2), and railway carriage (2) can be in rotation drive structure (7) horizontally rotate under drive;
It is additionally provided with controller on the vehicle frame (1), is equipped with horizontal stable component in railway carriage (2);The controller respectively with rotation Driving structure (7), the electrical connection of horizontal stable component.
2. Double-directional rotary delivery trolley as described in claim 1, it is characterised in that: the truck assemblies (4) are by first turn It being formed to frame (41) and the second bogie (42), the hoofing part structure (6) is fixed on the second bogie (42), and second turn It is flexibly connected and can rotate vertically with the first bogie (41) to frame (42), the first bogie (41) can horizontally rotate.
3. Double-directional rotary delivery trolley as claimed in claim 2, it is characterised in that: the hoofing part structure (6) includes row Walk driving motor (61), walking driving member (62) and transmission gear (63), the track (3) along track (3) equipped with extending Rack gear (31), travel driving motor (61) are fixed on the second bogie (42), walk driving member (62) and travel driving motor (61) it is sequentially connected, transmission gear (63) is sequentially connected with walking driving member (62) and is meshed with rack gear (31).
4. Double-directional rotary delivery trolley as claimed in claim 3, it is characterised in that: the walking driving member (62) is gear biography Dynamic structure or drive structure of gear worm.
5. Double-directional rotary delivery trolley as described in claim 1, it is characterised in that: the walking structure (5) is equipped at least One group of roll wheel assembly matched with track (3).
6. Double-directional rotary delivery trolley as claimed in claim 5, it is characterised in that: the walking structure (5) is equipped at least Two groups of roll wheel assemblies matched with track (3), two groups of roll wheel assemblies front and backs are arranged in parallel.
7. Double-directional rotary delivery trolley as claimed in claim 6, it is characterised in that: the roll wheel assembly is by two vertical idler wheels (51) and horizontal roller (52) composition, the track (3) are chimb track, and the two sides of track (3) are equipped with circular arc chimb (32);Vertical idler wheel (51) and horizontal roller (52) clamp circular arc chimb (32).
8. Double-directional rotary delivery trolley as described in claim 1, it is characterised in that: the rotation drive structure (7) includes turning Dynamic driving motor (71), shaft (72) and rotation driving member (73), the rotational drive motor (71) are fixed on vehicle frame (1), Driving member (73) and rotational drive motor (71) are rotated to be sequentially connected;One end of shaft (72) is connect with vehicle frame (1), the other end with Rotate driving member (73) transmission connection.
9. Double-directional rotary delivery trolley as claimed in claim 8, it is characterised in that: the rotation driving member (73) is gear biography Dynamic structure or drive structure of gear worm.
10. Double-directional rotary delivery trolley as described in claim 1, it is characterised in that: the horizontal stable component is gyroscope And acceleration sensor.
CN201821352002.7U 2018-08-21 2018-08-21 Double-directional rotary delivery trolley Withdrawn - After Issue CN208802479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821352002.7U CN208802479U (en) 2018-08-21 2018-08-21 Double-directional rotary delivery trolley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821352002.7U CN208802479U (en) 2018-08-21 2018-08-21 Double-directional rotary delivery trolley

Publications (1)

Publication Number Publication Date
CN208802479U true CN208802479U (en) 2019-04-30

Family

ID=66235617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821352002.7U Withdrawn - After Issue CN208802479U (en) 2018-08-21 2018-08-21 Double-directional rotary delivery trolley

Country Status (1)

Country Link
CN (1) CN208802479U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840055A (en) * 2018-08-21 2018-11-20 罗升 Double-directional rotary delivery trolley
CN115303688A (en) * 2022-07-22 2022-11-08 河北省农林科学院农业资源环境研究所 Soil sample bank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840055A (en) * 2018-08-21 2018-11-20 罗升 Double-directional rotary delivery trolley
CN108840055B (en) * 2018-08-21 2024-04-05 罗升 Bidirectional rotary delivery trolley
CN115303688A (en) * 2022-07-22 2022-11-08 河北省农林科学院农业资源环境研究所 Soil sample bank

Similar Documents

Publication Publication Date Title
ES2676745T3 (en) Railless trailer train and procedure to guide a railless trailer train
CN202098418U (en) Tour motor-trolley
EP2296954B1 (en) Carriage traction vehicle
CN208802454U (en) Horizontally rotate delivery trolley
CN108840055A (en) Double-directional rotary delivery trolley
CN208802479U (en) Double-directional rotary delivery trolley
KR102066513B1 (en) Track vehicle system
CN210310337U (en) Shuttle that can rapid transport
KR102228872B1 (en) Track vehicle which of tilting angle cab be cahnge
CN208802477U (en) Three-dimensional rotates delivery trolley
CA2477514C (en) High-speed magnetic train system with two-tier tracks
CN110509946A (en) Using the suspension type monorail vehicle single-axle bogie of hub reduction gear
CN106428026A (en) Passenger safety protection device for suspended monorail transportation system
CN206654052U (en) Articulated vehicle with transversely movable articulated elements
CN104291081A (en) Double-track trolley variable-structure steering apparatus and system
US3352254A (en) Monorail train
CN209023644U (en) Body frame structure for automotive and delivery trolley
CN218198251U (en) Empty rail railway vehicle system
CN108792489A (en) Three-dimensional rotates delivery trolley
ITMO990019A1 (en) STEERING GROUP FOR TRANSPORTATION VEHICLES.
KR101503267B1 (en) Rail Bike
CN208802478U (en) Double-axle rotation delivery trolley
CN204489868U (en) Driverless operation rail vehicle
CN208761526U (en) A kind of ground double track EMS trolley
CN1104353C (en) Mass transit system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20190430

Effective date of abandoning: 20240405

AV01 Patent right actively abandoned

Granted publication date: 20190430

Effective date of abandoning: 20240405