CN207346681U - One kind pushes away book apparatus - Google Patents
One kind pushes away book apparatus Download PDFInfo
- Publication number
- CN207346681U CN207346681U CN201720765383.0U CN201720765383U CN207346681U CN 207346681 U CN207346681 U CN 207346681U CN 201720765383 U CN201720765383 U CN 201720765383U CN 207346681 U CN207346681 U CN 207346681U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- helical gear
- away book
- cylinder
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000009467 reduction Effects 0.000 claims abstract description 18
- 230000005570 vertical transmission Effects 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 7
- 241000282693 Cercopithecidae Species 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 210000001331 nose Anatomy 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
It the utility model is related to one kind and push away book apparatus, belong to books printing packaging technical field.The power-driven mechanism of the utility model includes threephase asynchronous, air compressor, worm type of reduction gearing, and threephase asynchronous drives worm type of reduction gearing by V-shape belt, and air compressor device connects cylinder by solenoid directional control valve；Horizontal drive mechanism includes crank, connecting rod, clamping screw, connecting rod, straight pin, push away book plate, connecting rodWith connecting rodFixed by clamping screw, push away book plate and connecting rod is fixed on by straight pinTop；Vertical transmission mechanism includes cylinder, vertical pillars, cylinder mounting base, pushes away book panel guide, and cylinder mounting base, push away book panel guide and slided up and down along vertical pillars, and cylinder center section is fixed in cylinder mounting base, and air cylinder guide rod top is fixed with pushing away book panel guide；Auxiliary body includes helical gear shaft, helical gear shaft, V-shape belt.The utility model is compact-sized, and the degree of automation is very high.
Description
Technical field
It the utility model is related to one kind and push away book apparatus, belong to books printing packaging technical field.
Background technology
Pushing away book apparatus will realize that will accumulate a certain number of books is pushed on belt conveyor forward, then rapidly returns
Action, realizes the various ways that have of the action, mainly utilizes cam-four-bar linkage or cam-crank block machine at present
Structure or double chain mechanism etc., these mechanisms in the actual production process, must be continuously run, and can be only done the regulation of initial design
Action, later stage change are difficult.For the ease of changing push move distance and push rhythm, while meet flexible production line requirement,
Need a kind of new to push away book apparatus.
The content of the invention
The technical problem to be solved by the present invention is to provide one kind to push away book apparatus, it is therefore intended that overcomes four bar machine of plane
Structure-cam is just pushing away book apparatus, cam-block mechanism, double chain mechanism only adapts to the rule of initial design, is not suitable for flexible production line
Problem, to change in the range of the speed of push and push, coordinated using horizontal drive mechanism and vertical transmission mechanism
Into the movement for pushing away book plate.
The technical solution adopted in the utility model is：One kind pushes away book apparatus, including power-driven mechanism, horizontal conveyor machine
Structure, vertical transmission mechanism, auxiliary body, wherein power-driven mechanism include threephase asynchronous 1, air compressor 13, snail
Worm and gear retarder 3, horizontal drive mechanism include crank 4, connecting rod5th, clamping screw 6, connecting rod7th, straight pin 8, push away book plate
18, vertical transmission mechanism includes cylinder 12, vertical pillars 11, cylinder mounting base 16, pushes away book panel guide 17, and auxiliary body includes spiral shell
Revolve gear shaft9th, helical gear shaft10th, V-shape belt 2；
The threephase asynchronous 1 drives worm type of reduction gearing 3 by V-shape belt 2, and air compressor 13 passes through
Solenoid directional control valve 15 connects cylinder 12；4 one end of crank and the output axis connection of worm type of reduction gearing 3, the other end and connecting rod5
Connection, connecting rod5 and connecting rod7 are fixed by clamping screw 6, connecting rod5 and connecting rod7 connection length adjusts, and it is logical to push away book plate 18
Cross straight pin 8 and be fixed on connecting rod7 tops；Cylinder mounting base 16, push away book panel guide 17 in two vertical pillars 11 and
Can be slided up and down along vertical pillars 11,12 center section of cylinder is fixed in cylinder mounting base 16,12 guide rod top of cylinder with
Push away book panel guide 17 to fix, push away book plate 18 and be installed on pushing away on book panel guide 17 and can book panel guide 17 is horizontal to be slided along pushing away；It is spiral
Gear shaft10 spindle nose is processed into tetrahedron, helical gear shaftHelical gear and helical gear shaft on 10The spiral shell of 9 bottoms
Revolve gear to coordinate, helical gear shaft9 tops pass through screw pair and the cylinder mounting base 16 between two vertical pillars 11
Fixed, lower part shaft part and the low side of the installing plate of vertical pillars 11 are relatively fixed, and then adjust cylinder mounting base 16 relative to ground
The height in face.
Preferably, the worm type of reduction gearing 3 uses single-input double-output structure, and worm type of reduction gearing 3 misplaces
180 degree installs two cranks 4.
Specifically, the connecting rodThe annular opening groove of certain length, connecting rod are machined with 5It is machined with 7 and annular
The corresponding open-top screw thread of open slot, connecting rod5 and connecting rod7 form mobile width, are fixedly connected by clamping screw 6.
Specifically, the adjusting cylinder mounting base 16 blocks helical tooth relative to the height on ground by monkey wrench
Wheel shaftThe tetrahedron that is processed on 10 spindle noses simultaneously applies certain torque, helical gear shaftHelical gear on 10 is as master
Driving wheel, driven helical gear axis is passed to by power and movementHelical gear on 9, and helical gear shaftIt is processed into spiral shell in 9 upper ends
Open-top screw thread among bar, with cylinder mounting base 16 coordinates, due to helical gear shaft9 lower end shaft parts and 11 low side of vertical pillars
It is relatively fixed, therefore the rotary motion of helical gear is changed into the straight line elevating movement of cylinder mounting base 16, because lead angle
Less than the equivalent friction angle of screw pair, self-locking is formed, it is axial can to realize that cylinder mounting base 16 can accurately lean against vertical pillars 11
Positioning.
Preferably, the cylinder 12 is fixed in cylinder mounting base 16 by clamping screw 6.
Specifically, 18 movement locus of book plate that pushes away coordinates horizontal drive mechanism and vertical transmission mechanism by controlling,
That is controls connecting rod7 move with 12 guide rod of cylinder, and completion level moves back into-vertical ascent-level-and vertical decline-level pushes away entirely
Push away book plate do action.
The operation principle of the utility model is：Threephase asynchronous 1 drives worm type of reduction gearing by V-shape belt 2
3, and then drive crank 4, connecting rod5 and connecting rod7 are fixed by clamping screw 6, can adjust the length of connecting rod, and it is logical to push away book plate 18
Cross straight pin 8 and be fixed on connecting rod7 tops, cylinder mounting base 16, push away book panel guide 17 and slided up and down along vertical pillars 11, gas
12 center section of cylinder is fixed in cylinder mounting base 16, and 12 guide rod top of cylinder is fixed with pushing away book panel guide 17, helical gear shaft10 spindle nose is processed into tetrahedron, helical gear shaftHelical gear and helical gear shaft on 10The helical gear of 9 bottoms
Coordinate, helical gear shaft9 tops are fixed by the cylinder mounting base 16 between screw pair and vertical pillars 11, and then adjust gas
Relative to the height on ground, pushing away book plate 18 can move horizontally cylinder mounting base 16 on book panel guide 17 is pushed away, and be coordinated by controlling
Horizontal drive mechanism and vertical transmission mechanism, i.e. controls connecting rod7 push away 18 movement locus of book plate with the movement synthesis of 12 guide rod of cylinder,
Completion level moves back into-vertical ascent-level-and vertical decline-level pushes away whole do action.
The beneficial effects of the utility model are：
1st, the utility model pushes away book apparatus, when design pushes away book apparatus, it is not necessary to according to design objective movement locus,
Simulation accurately sets movement locus and revises repeatedly, is then processing, it is only necessary to and grasping main design parameters can process,
Modeled and assembled using Proe, carried out dynamic analysis using ADAMS, the characteristics of motion is adjusted according to the change of production line in real time,
Shorten the design cycle.
2nd, the utility model pushes away book apparatus, and there is no rigid shock, and reliability is very high, and maintenance is very convenient, can be applicable in not
Same pushes away book scope.
3rd, the utility model pushes away book apparatus, can adjust the speed for pushing away book plate vertical ascent and declining, and solves to pass through one
Power inputs, the switching between two relatively-stationary outputs.
Brief description of the drawings
Fig. 1 pushes away book apparatus front view for the utility model；
Fig. 2 is Fig. 1 close-up schematic views；
Fig. 3 is the left view of Fig. 1；
Fig. 4 pushes away book apparatus general assembly schematic diagram for the utility model.
Each label in figure：1- threephase asynchronouses, 2- V-types band, 3- worm type of reduction gearing, 4- cranks, 5- connecting rods、
6- clamping screws, 7- connecting rods, 8- straight pins, 9- helical gear shafts, 10- helical gear shafts, 11- vertical pillars, 12- gas
Cylinder, 13- air compressors, 14- tracheaes, 15- solenoid directional control valves, 16- cylinders mounting base, 17- push away book panel guide, 18- pushes away book plate.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3, Figure 4, one kind pushes away book apparatus, including power-driven mechanism, horizontal conveyor
Mechanism, vertical transmission mechanism, auxiliary body, wherein power-driven mechanism include threephase asynchronous 1, air compressor 13,
Worm type of reduction gearing 3, horizontal drive mechanism include crank 4, connecting rod5th, clamping screw 6, connecting rod7th, straight pin 8, push away book plate
18, vertical transmission mechanism includes cylinder 12, vertical pillars 11, cylinder mounting base 16, pushes away book panel guide 17, and auxiliary body includes spiral shell
Revolve gear shaft9th, helical gear shaft10th, V-shape belt 2；
The threephase asynchronous 1 drives worm type of reduction gearing 3 by V-shape belt 2, and air compressor 13 passes through
Solenoid directional control valve 15 connects cylinder 12；4 one end of crank and the output axis connection of worm type of reduction gearing 3, the other end and connecting rod5
Connection, connecting rod5 and connecting rod7 are fixed by clamping screw 6, connecting rod5 and connecting rod7 connection length adjusts, and it is logical to push away book plate 18
Cross straight pin 8 and be fixed on connecting rod7 tops；Cylinder mounting base 16, push away book panel guide 17 in two vertical pillars 11 and
Can be slided up and down along vertical pillars 11,12 center section of cylinder is fixed in cylinder mounting base 16,12 guide rod top of cylinder with
Push away book panel guide 17 to fix, push away book plate 18 and be installed on pushing away on book panel guide 17 and can book panel guide 17 is horizontal to be slided along pushing away；It is spiral
Gear shaft10 spindle nose is processed into tetrahedron, helical gear shaftHelical gear and helical gear shaft on 10The spiral shell of 9 bottoms
Revolve gear to coordinate, helical gear shaft9 tops pass through screw pair and the cylinder mounting base 16 between two vertical pillars 11
Fixed, lower part shaft part and the low side of the installing plate of vertical pillars 11 are relatively fixed, and then adjust cylinder mounting base 16 relative to ground
The height in face.
Further, the worm type of reduction gearing 3 uses single-input double-output structure, and worm type of reduction gearing 3 is wrong
Position 180 degree installs two cranks 4, and then installs two sets of identical mechanisms, improves the efficiency for pushing away book, balanced power impact, increase
The stability of mechanism, reduces the single book plate 18 that pushes away and pushes away the problem of book frequency is higher.
Further, the connecting rodThe annular opening groove of certain length, connecting rod are machined with 5It is machined with 7 and ring
The corresponding open-top screw thread of shape open slot, connecting rod5 and connecting rod7 form mobile width, are fixedly connected by clamping screw 6, therefore can be with
Adjust connecting rod5 and connecting rod7 overall connection lengths, and then the horizontal displacement distance for pushing away book plate can be adjusted.
Further, the adjusting cylinder mounting base 16 is blocked spiral relative to the height on ground by monkey wrench
Gear shaftThe tetrahedron that is processed on 10 spindle noses simultaneously applies certain torque, helical gear shaftHelical gear conduct on 10
Driving wheel, driven helical gear axis is passed to by power and movementHelical gear on 9, and helical gear shaftIt is processed into 9 upper ends
Open-top screw thread among screw rod, with cylinder mounting base 16 coordinates, due to helical gear shaft9 lower end shaft parts are low with vertical pillars 11
End is relatively fixed, therefore the rotary motion of helical gear is changed into the straight line elevating movement of cylinder mounting base 16, because screw thread liter
Angle is less than the equivalent friction angle of screw pair, forms self-locking, can realize that cylinder mounting base 16 can accurately lean against 11 axis of vertical pillars
To positioning.
Further, the cylinder 12 is fixed in cylinder mounting base 16 by clamping screw 6, and the book plate that pushes away is led
Rail 17 is vertical pillars 11 by 12 top guide rod drives edge of cylinder to move up and down.
Further, 18 movement locus of book plate that pushes away coordinates horizontal drive mechanism and vertical-transmission machine by controlling
Structure, i.e. controls connecting rod7 move with 12 guide rod of cylinder, completion level moves back into-vertical ascent-level-vertical decline-level push away it is whole
It is a to push away book plate do action.
During specific works：The connecting rod7 movements are to adjust the output of threephase asynchronous 1 using AC converter to turn
Speed, will be moved by turbine and worm retarder 3 and is transmitted to crank 4 with power, and then is changed and pushed away book plate 18 on book panel guide 17 is pushed away
The speed moved horizontally.
12 guide rod of the cylinder movement can adjust several air pressures of output using air compressor 13, pass through electromagnetic switch
The connection of valve 15, tracheae 14, can effectively control 12 guide rod of cylinder to move up and down speed, and then controls and push away book panel guide 17 vertical
Nogata is moved to along 11 rise and fall of vertical pillars.
The utility model applicability is wide, structure relative compact, and what substitution conventional cam mechanism was combined with four-bar mechanism pushes away book
Mechanism, can as needed books accumulation height, push distance, actual production task push away book frequency formed movement locus will
Diversity, the degree of automation are very high.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made on the premise of objective.
Claims (6)
1. one kind pushes away book apparatus, it is characterised in that：Including power-driven mechanism, horizontal drive mechanism, vertical transmission mechanism, auxiliary
Mechanism, wherein power-driven mechanism include threephase asynchronous（1）, air compressor（13）, worm type of reduction gearing（3）,
Horizontal drive mechanism includes crank（4）, connecting rod（5）, clamping screw（6）, connecting rod（7）, straight pin（8）, push away book plate（18）,
Vertical transmission mechanism includes cylinder（12）, vertical pillars（11）, cylinder mounting base（16）, push away book panel guide（17）, auxiliary body
Including helical gear shaft（9）, helical gear shaft（10）, V-shape belt（2）；
The threephase asynchronous（1）Pass through V-shape belt（2）Drive worm type of reduction gearing（3）, air compressor（13）
Pass through solenoid directional control valve（15）Connect cylinder（12）；Crank（4）One end and worm type of reduction gearing（3）Output axis connection, separately
One end and connecting rod（5）Connection, connecting rod（5）With connecting rod（7）By clamping screw（6）It is fixed, connecting rod（5）With connecting rod（7）'s
Connection length adjusts, and pushes away book plate（18）Pass through straight pin（8）It is fixed on connecting rod（7）Top；Cylinder mounting base（16）, push away book
Panel guide（17）Installed in two vertical pillars（11）Above and can be along vertical pillars（11）Slide up and down, cylinder（12）Pars intermedia
Divide and be fixed on cylinder mounting base（16）On, cylinder（12）Guide rod top is with pushing away book panel guide（17）It is fixed, push away book plate（18）Installation
Pushing away book panel guide（17）It is upper and can be along pushing away book panel guide（17）Level is slided；Helical gear shaft（10）Spindle nose be processed into four
Face body, helical gear shaft（10）On helical gear and helical gear shaft（9）The helical gear of bottom coordinates, helical gear
Axis（9）Top is by screw pair and is installed on two vertical pillars（11）Between cylinder mounting base（16）It is fixed, lower part shaft part
With vertical pillars（11）The low side of installing plate be relatively fixed, and then adjust cylinder mounting base（16）Relative to the height on ground.
2. according to claim 1 push away book apparatus, it is characterised in that：The worm type of reduction gearing（3）Using single defeated
Enter double output structure, worm type of reduction gearing（3）The 180 degree that misplaces installs two cranks（4）.
3. according to claim 1 push away book apparatus, it is characterised in that：The connecting rod（5）On be machined with certain length
Annular opening groove, connecting rod（7）On be machined with open-top screw thread corresponding with annular opening groove, connecting rod（5）With connecting rod（7）Formed
Mobile width, by clamping screw（6）It is fixedly connected.
4. according to claim 1 push away book apparatus, it is characterised in that：The adjusting cylinder mounting base（16）Relative to ground
The height in face, helical gear shaft is blocked by monkey wrench（10）The tetrahedron that is processed on spindle nose simultaneously applies certain power
Square, helical gear shaft（10）On helical gear as driving wheel, power and movement are passed into driven helical gear axis
（9）Upper helical gear, and helical gear shaft（9）Screw rod is processed into upper end, with cylinder mounting base（16）Middle open-top screw thread is matched somebody with somebody
Close, due to helical gear shaft（9）Lower end shaft part and vertical pillars（11）Low side is relatively fixed, therefore the revolution of helical gear is transported
Turn is changed into cylinder mounting base（16）Straight line elevating movement because lead angle be less than screw pair equivalent friction angle, formed
Self-locking, can realize cylinder mounting base（16）Vertical pillars (11) axially position can accurately be leaned against.
5. according to claim 1 push away book apparatus, it is characterised in that：The cylinder（12）Pass through clamping screw（6）Gu
It is scheduled on cylinder mounting base（16）On.
6. according to claim 1 push away book apparatus, it is characterised in that：Described pushes away book plate（18）Movement locus pass through control
System coordinates controls connecting rod（7）With cylinder（12）The movement of guide rod, completion level into-vertical ascent-level move back-it is vertical decline-
Level, which pushes away, entirely pushes away book plate do action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765383.0U CN207346681U (en) | 2017-06-28 | 2017-06-28 | One kind pushes away book apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765383.0U CN207346681U (en) | 2017-06-28 | 2017-06-28 | One kind pushes away book apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207346681U true CN207346681U (en) | 2018-05-11 |
Family
ID=62359790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720765383.0U Expired - Fee Related CN207346681U (en) | 2017-06-28 | 2017-06-28 | One kind pushes away book apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207346681U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336976A (en) * | 2017-06-28 | 2017-11-10 | 昆明理工大学 | One kind pushes away book apparatus |
| CN109353805A (en) * | 2018-11-29 | 2019-02-19 | 东莞市达孚电子有限公司 | A kind of movable feeding device of thin film capacitor |
-
2017
- 2017-06-28 CN CN201720765383.0U patent/CN207346681U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336976A (en) * | 2017-06-28 | 2017-11-10 | 昆明理工大学 | One kind pushes away book apparatus |
| CN107336976B (en) * | 2017-06-28 | 2022-12-23 | 昆明理工大学 | Book pushing device |
| CN109353805A (en) * | 2018-11-29 | 2019-02-19 | 东莞市达孚电子有限公司 | A kind of movable feeding device of thin film capacitor |
| CN109353805B (en) * | 2018-11-29 | 2024-02-13 | 广东达孚电子有限公司 | Movable feeding device of film capacitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101891019B (en) | Explosive cartridge bagging production line | |
| CN207346681U (en) | One kind pushes away book apparatus | |
| CN105205918B (en) | A kind of parallel coin automatic clearing extension | |
| CN204160166U (en) | LED ball lamp disc type kludge automatic capturing turning device | |
| CN106392768A (en) | Multi-station intermittent indexing device | |
| CN102358449A (en) | Full-automatic silicon wafer loader | |
| CN103922086A (en) | Agate vibrating and conveying mechanism for water meter | |
| CN101701622A (en) | Adjustable push rod motion pattern simulating mechanical device | |
| CN109014411A (en) | A kind of hardware pipe fitting facing attachment | |
| CN204160242U (en) | A kind of mechanism for axial workpiece self-feeding | |
| CN107792665A (en) | A kind of adjustable adsorption module in adsorption site position of connecting rod driving | |
| CN102489980B (en) | Liquefied petroleum gas cylinder valve connecting piece assembling working table | |
| CN2700036Y (en) | Toothed rack edge-grinding and chamfering machine | |
| CN103551354B (en) | The rotating bottle cleaning machine that a kind of full SERVO CONTROL drives | |
| CN102343409A (en) | High-speed computer numerical control spring coiling machine | |
| CN107336976A (en) | One kind pushes away book apparatus | |
| CN209632970U (en) | A kind of workbench of LED product research and development | |
| CN208527933U (en) | A kind of bending and molding device of metal wire rod | |
| CN202022842U (en) | Six-drop arrary type bottle making machine | |
| CN101497194A (en) | Manipulator and production chain using the manipulator | |
| CN109570584A (en) | A kind of super automatic face miller of effect of aluminum profile | |
| CN202317632U (en) | Workbench for assembling liquefied petroleum gas cylinder valve connecting piece | |
| CN205074170U (en) | Be applied to machine of glue of beating of glass production and processing | |
| CN103600989A (en) | Box discharge mechanism of box filling machine | |
| CN203817756U (en) | Cutting sleeve and bonnet feeding mechanism for valve assembling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20200628 |