CN206010330U - Horizontal type multi-function pressure disassemblerassembler - Google Patents
Horizontal type multi-function pressure disassemblerassembler Download PDFInfo
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- CN206010330U CN206010330U CN201621072460.6U CN201621072460U CN206010330U CN 206010330 U CN206010330 U CN 206010330U CN 201621072460 U CN201621072460 U CN 201621072460U CN 206010330 U CN206010330 U CN 206010330U
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- horizontal type
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- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a kind of horizontal type multi-function pressure disassemblerassembler, including ejecting mechanism and pinching mechanism；The ejecting mechanism is positioned opposite with the pinching mechanism, and the ejecting mechanism can be ejected to the pinching mechanism, and the pinching mechanism is used for fixing workpiece；The pinching mechanism includes coming directly towards, and the top includes that matrix and raised line, the raised line are arranged on the outer wall of described matrix, and the raised line is used for contacting workpiece；The ejecting mechanism is used for ejecting to workpiece.This utility model is with low cost, simple structure, by coming directly towards top tight workpiece, the raised line of top outer wall can be made according to different workpieces, top fast changeable, the distance between ejecting mechanism and pinching mechanism can be adjusted, so as to adapt to the workpiece of different length, the axle of workpiece is loosened using ejecting mechanism or ejected, efficient quick.
Description
Technical field
This utility model is related to a kind of disassemblerassembler, more particularly to a kind of horizontal type multi-function pressure disassemblerassembler.
Background technology
Manufacturing many equipment in industry is needed to be operated by screw rod or can just complete to produce work with the cooperation of other parts
Make, screw rod can complete power transmission in equipment operation, it is also possible to for feeder equipment.The feeding spiro rod of oil press is due to sending
The requirement of material distance, so typically can be long, the feeding spiro rod generally comprises central shaft and screw rod section, and screw rod section is a kind of set
Cylinder, its outer wall are provided with screw thread, and multiple screw rod sections are arranged on center shaft, and interference fit between central shaft.
As use time is long, the screw thread of screw rod section outer wall has abrasion, so that dismantling screw section is carrying out more
Change.In prior art, vertical hand-operated forcing press, or semi-automatic hydraulic press is typically utilized.Both equipment mainly by frame,
Hydraulic system and pallet composition, are used for axle class and bearing maintenance.For multi-section type screw rod, because its interference fit and get rusty,
The factors such as dirt cause tension between screw rod section and central shaft, it is difficult to dismantle, and because screw surface is tapered and oblique screw thread,
It is difficult to be fixed screw rod section surface, causes to complete to dismount.
Therefore, need one kind at present badly and can fast fix oblique screw thread and disassemblerassembler easy to operate.
Utility model content
In order to overcome the shortcoming of prior art and deficiency, the utility model discloses a kind of quickly assembled and disassembled screw rod section is sleeping
Formula multi-functional pressure disassemblerassembler.
This utility model is achieved through the following technical solutions：Horizontal type multi-function pressure disassemblerassembler, including ejector
Structure and pinching mechanism；The ejecting mechanism is positioned opposite with the pinching mechanism, and the ejecting mechanism can be to the pinching mechanism
Ejection, the pinching mechanism are used for fixing workpiece；The pinching mechanism includes coming directly towards, and the top includes matrix and raised line, institute
The outer wall that raised line is arranged on described matrix is stated, the raised line is used for contacting workpiece；The ejecting mechanism is used for ejecting to workpiece.Logical
The external screw thread of raised line fastening screw section is crossed, so that screw rod section is fixed, it is easier to using ejecting mechanism top to central shaft.
Further, the pinching mechanism also includes that two-way bench vice, the two-way bench vice include the first movable block and second
Movable block, first movable block can be to the second movable block relative movements；First movable block and second activity
Block is convexly equipped with the top；Space between first movable block and second movable block is used for placing workpiece.Pass through
Adjust relative distance between two movable blocks to clamp workpiece.
Further, described matrix is provided with inner chamber and a side opening, and the open communication is to the inner chamber；Described first lives
Motion block and second movable block are provided with plush copper towards the side of the ejecting mechanism, and described matrix is set in institute by the opening
State in plush copper.Matrix can be set in the plush copper, when change top when only need to extract top, and top compared with
Little, cheap for manufacturing cost.
Further, the pinching mechanism also includes that assisting block, the assisting block are arranged on the outer of described two movable blocks
Side.
Further, described matrix is provided with depressed part towards the edge of the side of the ejecting mechanism.The depressed part can be with
Fit with the surface of cone bearing, so as to hold out against bearing.
Further, described matrix is hollow cuboid, and the raised line is with respect to the rib inclination in described matrix, described matrix
Different outer walls is respectively equipped with the raised line of different gradients.By arranging the raised line of different gradients on same top, can
To allow one to come directly towards the screw rod section for being suitable for different model.
Further, also include travel mechanism, the travel mechanism includes the first frame and the second frame, first machine
Frame is equipped with universal wheel with second bottom of the frame；The ejecting mechanism is arranged in first frame, the pinching machine
Structure is arranged in second frame, and first frame is embedded in second frame and can relative movement.Described two
Relative distance between individual frame can be adjusted, so as to adapt to the screw rod section of different length.
Further, the travel mechanism also includes latch；The both sides of first frame and second frame are all provided with
There is mutually corresponding location hole, the latch is through first frame and the location hole of second frame.Inserted by described
Pin fixes two frames, so as to limit the relative position of two frames.
Further, also include lifting platform, the lifting platform is arranged between the ejecting mechanism and the pinching mechanism,
The lifting platform is used for supporting workpiece.Workpiece is supported using height-adjustable lifting platform, makes ejecting mechanism and workpiece
Axis coinciding, convenient ejection central shaft.
Further, also include that stroke adjustment king bolt, the stroke adjustment king bolt are arranged on the ejecting mechanism
Outside, the stroke adjustment king bolt can move forward and backward.
This utility model is with low cost, simple structure, and by coming directly towards top tight workpiece, the raised line for coming directly towards outer wall can be according to difference
Workpiece makes, and coming directly towards the distance between fast changeable, ejecting mechanism and pinching mechanism can be adjusted, so as to adapt to different length
Workpiece, the axle of workpiece is loosened using ejecting mechanism or is ejected, efficient quick.
In order to more fully understand and implement, this utility model is described below in conjunction with the accompanying drawings in detail.
Description of the drawings
Fig. 1 is the whole machine of this utility model equipment schematic diagram most in short-term.
Fig. 2 is schematic diagram when the whole machine of this utility model equipment is most long.
Fig. 3 is this utility model decomposing schematic representation.
Fig. 4 is the schematic diagram of this utility model top.
Fig. 5 is another schematic diagram of this utility model top.
Fig. 6 is the schematic diagram of this utility model lifting platform.
Schematic diagram when Fig. 7 is this utility model dismantling screw section.
Top view at Tu8Shi Tu7Zhong pinchings mechanism.
Front view when Fig. 9 is utility model dismantling screw section.
Figure 10 is that this equipment is used for schematic diagram when dismantling bearing.
Specific embodiment
Embodiment one
Fig. 1-3 are referred to, Fig. 1 is the whole machine of this utility model equipment schematic diagram most in short-term.Fig. 2 is this utility model equipment
Schematic diagram when whole machine is most long.Fig. 3 is this utility model decomposing schematic representation.The utility model discloses a kind of horizontal type multi-function pressure
Power disassemblerassembler, including ejecting mechanism 10, pinching mechanism 20, travel mechanism 30 and lifting platform 40.The ejecting mechanism 10 and institute
State pinching mechanism 20 positioned at same level and positioned opposite, the ejecting mechanism 10 can be ejected to the pinching mechanism 20,
The pinching mechanism 20 is used for clamping workpiece.The ejecting mechanism 10 and the pinching mechanism 20 are arranged on the travel mechanism 30
On, relative distance described in 30 scalable of travel mechanism between ejecting mechanism 10 and the pinching mechanism 20, or drive whole
Equipment is moved.The lifting platform 40 is arranged in the travel mechanism 30, and the lifting platform 40 is used for supporting workpiece and supports institute
State ejecting mechanism 10.
The ejecting mechanism 10 is a screw jack, and which is placed on the lifting platform 40 in the travel mechanism 30,
By adjusting the height of lifting platform 40 and then adjusting the height of ejecting mechanism 10.In other embodiments, it is also possible to split type liquid
Pressure jack or electric hydraulic lifting jack substitute this screw jack.In the present embodiment, this equipment also includes being arranged on the top
The stroke adjustment king bolt gone out on the outside of mechanism 10, the stroke adjustment king bolt 51 can be movable along boss 52.
The pinching mechanism 20 includes coming directly towards 21, two-way bench vice 22 and assisting block 23, and the top 21 is arranged on described double
To on bench vice 22, the assisting block 23 is arranged on the outside of the two-way bench vice 22.
Figure 4 and 5 are referred to, Fig. 4 is the schematic diagram of this utility model top 21.Fig. 5 is the another of this utility model top 21
One schematic diagram.The top 21 includes that matrix 211 and raised line 212, the raised line 212 are arranged on the outer wall of described matrix 211.This
In embodiment, described matrix 211 is hollow cuboid, and which is provided with inner chamber 2112 and a side opening, and the open communication is to described
Inner chamber 2112, is set on the side of the two-way bench vice 22 by the opening.On the raised line 212 and described matrix 211
Rib relative tilt, the angle of inclination of the raised line 212 and the external screw thread of workpiece be adapted, and the raised line 212 is used for contacting work
The external screw thread of part, so as to prevent workpiece from rocking in disassembly process.In the present embodiment, described matrix 211 is used for connecing with screw rod section
Three tactile lateral walls are provided with the raised line 212 of different gradients, such that it is able to utilize the different raised line on a top 21
The 212 screw rod sections for adapting to different size, and have a side wall for bright finish, use during bearing for dismantling.211 direction of described matrix
The edge of the side of the ejecting mechanism 10 is provided with depressed part 2111, and the depressed part 2111 can be used to laminating and contact taper
Face, so that realize the fixation of taper work.
The two-way bench vice 22 includes the first movable block 221, the second movable block 222 and guide rail base 224, described two work
Motion block is connected on the guide rail base 224 and can move along the guide rail base 224.The bottom of described two movable blocks sets
Dovetail groove is equipped with, the outside for the guide rail base 224 being connected to using that dovetail groove.First movable block 221 can be to described
Second movable block, 222 relative movement, the space between first movable block 221 and the second movable block 222 are used for placing workpiece
One end.First movable block 221 and second movable block 222 are provided with plush copper towards the side of the ejecting mechanism 10
223, the shape of the plush copper 223 is adapted with the inner chamber 2112 of described matrix 211, and the top 21 can pass through described matrix 211
Opening be sheathed with the plush copper 223 so that top 21 can be fixed on described two movable blocks, it is to avoid shaken top 21
Dynamic.There are two assisting blocks 23 in the present embodiment, be separately positioned on the outside of two movable blocks,
The travel mechanism 30 includes the first frame 31, the second frame 32 and latch 35, first frame 31 and described
The bottom of the second frame 32 is equipped with universal wheel 33, and first frame 31 is embedded in second frame 32, and described first
Frame 31 is moved in second frame 32.The both sides of first frame 31 and second frame 32 are equipped with corresponding
Location hole 34, the latch 35 may pass through the location hole 34 of described two frames, so as to cross two frames, while blocking two
Individual frame, prevents from sliding between two frames.The ejecting mechanism 10 is arranged on the lifting platform 40 of first frame 31, institute
State pinching mechanism 20 to be arranged in second frame 32, so as to adapt to different length by adjusting the distance between two frames
Screw rod.Lifting platform 40 is also equipped with second frame 32, by the 40 studdle workpiece of lifting platform.First machine
The outward flange of frame 31 is provided with a limiting plate 311, and the limiting plate 311 is protruding upward, is threaded through hole on limiting plate 311,
A cylindric boss 52 is coaxially fixed with the outside of the tapped through hole, and the boss is provided with female thread, the stroke adjustment king bolt
During 51 screw in the tapped through hole of the boss 52 and limiting plate 311 from outside successively and contact in the ejecting mechanism 10
Outside, the trip adjust the clamping central coaxial line of king bolt 51 and the two-way bench vice 22.After ejecting mechanism 10 is ejected, can
To make stroke adjustment king bolt 51 move forwards, backwards by rotating the stroke adjustment king bolt 51, and then promote the ejector
Structure 10 is moved to pinching mechanism 20, shortens ejection stroke.
Fig. 6 is referred to, Fig. 6 is the schematic diagram of this utility model lifting platform 40.The lifting platform 40 is Aerial Work LT,
It include top board 41, base plate 42, the first fix bar 431, the first motion bar 432, head rod 433, the second fix bar 441,
Second motion bar 442, the second connecting rod 443 and screw thread handle 45.The top board 41 and the base plate 42 are opening channel-section steel, and two
The opening of person is relative up and down.First fix bar 431 is arranged on one end of the top board 41, and second fix bar 441 sets
Put in one end of the base plate 42.First motion bar 432 is arranged in the base plate 42 and can be along the base plate 42
Portion moves, and second motion bar 442 is arranged in the top board 41 and can move inside the top board 41.Described first
The two ends of connecting rod 433 are hinged with one end of first fix bar 431 and first motion bar 432 respectively, and described second
The two ends of connecting rod 443 are hinged with one end of second fix bar 441 and second motion bar 442 respectively, and described first
It is hinged in the middle part of connecting rod 433 and second connecting rod 443.In first fix bar 431 and second motion bar 442
Portion is equipped with tapped through hole, and the screw thread handle 45 is screwed in successively to first fix bar 431 and second motion bar 442
In.User can pass through to rotate the screw thread handle 45, be adjusted first fix bar 431 and second motion bar
The distance between 442, and then change the angle of inclination of the head rod 433 and second connecting rod 443, realize described
The lifting or decline of top board 41.
Refer to Fig. 7-8, schematic diagram when Fig. 7 is this utility model dismantling screw section.Tu8Shi Tu7Zhong pinchings mechanism 20
The top view at place.During use, first according to the distance between the good jack of the length adjustment of screw workpiece and pinching mechanism 20, by spiral shell
Bar is placed on lifting platform 40, adjusts the height of ejecting mechanism 10 and screw workpiece, makes jack with screw workpiece in same axle
On heart line.Adjust the top 21 in pinching mechanism 20 again, 21 will be come directly towards and removed from movable block, then will top 21 on carry with
Between side two movable blocks of direction of the raised line 212 of screw rod section coupling, and top 21 is inserted in the plush copper 223 of movable block
On so that the raised line 212 of two movable block opposite sides is matched with the external screw thread of screw rod, rotates the handle on two-way bench vice 22,
Two movable blocks are made to middle clamping, until the raised line 212 of top 21 is contacted on the external screw thread of screw rod section, now raised line 212 is not
Tension must be held to screw rod, as long as ensure that raised line 212 is fitted with the external screw thread of screw rod section contacting, screw rod section will not be rocked.Drive
Jack stretches out, and under the effect of the pressure, moves radially the central shaft of screw rod, and screw rod section is then static, make central shaft with
Loosen before screw rod section, then make jack retract.Technical staff takes off the screw rod section nearest from jack, adjusts jack again
The distance between with pinching mechanism 20, repeat the above steps, until finally dismantle all screw rod sections.
Refer to Fig. 9, front view when Fig. 9 is utility model dismantling screw section.The first screw rod is arranged with figure on screw rod
The 61, second screw rod section 62 of section, the 3rd screw rod section 63 and the 4th screw rod section 64.First start to dismantle from the first screw rod section 61 during dismounting,
First screw rod section 61 will be deviate from, then again to below after between central shaft and the first screw rod section 61, top loosens in jack
Screw rod section is dismantled.
This disassemblerassembler is applicable to various workpieces, is clamped fixation to workpiece first with pinching mechanism, recycles top
Go out mechanism carries out top pine or ejection to the central shaft of workpiece, so that the isolation of components of workpiece.
Embodiment two
Refer to Figure 10, Figure 10 is schematic diagram when this equipment is used for dismantling bearing.The outer wall come directly towards in the present embodiment
For smooth flat, raised line is not set.Towards in the middle part of two-way bench vice, top is not contacted the planar outer walls of top with central shaft,
At this moment top will not be caused to hinder to the movement of central shaft.Top front is contacted at the inner ring of bearing, so as to appropriate fixing axle
Hold.Other settings are identical with the disassemblerassembler of embodiment one.
This utility model is with low cost, simple structure, and by the raised line top tight workpiece for coming directly towards, top can be according to different workpieces
Make, and fast changeable, the distance between ejecting mechanism and pinching mechanism can be adjusted, so as to adapt to the work of different length
Part.
This utility model is not limited to above-mentioned embodiment, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these changes and deformation belong to claim of the present utility model and equivalent technologies
Within the scope of, then this utility model is also intended to comprising these changes and deforms.
Claims (10)
1. horizontal type multi-function pressure disassemblerassembler, it is characterised in that：Including ejecting mechanism and pinching mechanism；The ejecting mechanism with
The pinching mechanism is positioned opposite, and the ejecting mechanism can be ejected to the pinching mechanism, and the pinching mechanism is used for regular worker
Part；The pinching mechanism includes coming directly towards, and the top includes that matrix and raised line, the raised line are arranged on the outer wall of described matrix,
The raised line is used for contacting workpiece；The ejecting mechanism is used for ejecting to workpiece.
2. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：The pinching mechanism also includes
Two-way bench vice, the two-way bench vice include that the first movable block and the second movable block, first movable block can be lived to described second
Motion block relative movement；First movable block and second movable block are convexly equipped with the top；First movable block with
Space between second movable block is used for placing workpiece.
3. horizontal type multi-function pressure disassemblerassembler according to claim 2, it is characterised in that：Described matrix is provided with inner chamber simultaneously
And a side opening, the open communication is to the inner chamber；First movable block and second movable block are towards the ejector
The side of structure is provided with plush copper, and described matrix is set in the plush copper by the opening.
4. horizontal type multi-function pressure disassemblerassembler according to claim 3, it is characterised in that：The pinching mechanism also includes
Assisting block, the assisting block are arranged on the outside of described two movable blocks.
5. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：Described matrix is towards the top
The edge for going out the side of mechanism is provided with depressed part.
6. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：Described matrix is hollow rectangular
Body, the raised line are inclined with respect to the rib in described matrix, and the different outer wall of described matrix is respectively equipped with the raised line of different gradients.
7. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：Also include travel mechanism, institute
Stating travel mechanism includes that the first frame and the second frame, first frame are equipped with universal wheel with second bottom of the frame；
The ejecting mechanism is arranged in first frame, and the pinching mechanism is arranged in second frame, first machine
Frame is embedded in second frame and can relative movement.
8. horizontal type multi-function pressure disassemblerassembler according to claim 7, it is characterised in that：The travel mechanism also includes
Latch；The both sides of first frame and second frame are equipped with mutually corresponding location hole, and the latch passes through described
First frame and the location hole of second frame.
9. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：Also include lifting platform, described
Lifting platform is arranged between the ejecting mechanism and the pinching mechanism, and the lifting platform is used for supporting workpiece.
10. horizontal type multi-function pressure disassemblerassembler according to claim 1, it is characterised in that：Also include that stroke adjustment is big
Screw, the stroke adjustment king bolt are arranged on the outside of the ejecting mechanism, and the stroke adjustment king bolt can be moved forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072460.6U CN206010330U (en) | 2016-09-22 | 2016-09-22 | Horizontal type multi-function pressure disassemblerassembler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072460.6U CN206010330U (en) | 2016-09-22 | 2016-09-22 | Horizontal type multi-function pressure disassemblerassembler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206010330U true CN206010330U (en) | 2017-03-15 |
Family
ID=58260463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621072460.6U Expired - Fee Related CN206010330U (en) | 2016-09-22 | 2016-09-22 | Horizontal type multi-function pressure disassemblerassembler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206010330U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161828A (en) * | 2018-01-29 | 2018-06-15 | 江门必发机械设备有限公司 | One kind tears screw machine open |
| CN111993027A (en) * | 2020-08-27 | 2020-11-27 | 广东韶钢松山股份有限公司 | Bearing seat disassembling tool |
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
| CN114474657A (en) * | 2021-12-29 | 2022-05-13 | 江门必发机械设备有限公司 | Dismounting device for threaded sleeve of screw dismounting machine |
-
2016
- 2016-09-22 CN CN201621072460.6U patent/CN206010330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161828A (en) * | 2018-01-29 | 2018-06-15 | 江门必发机械设备有限公司 | One kind tears screw machine open |
| CN111993027A (en) * | 2020-08-27 | 2020-11-27 | 广东韶钢松山股份有限公司 | Bearing seat disassembling tool |
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
| CN114474657A (en) * | 2021-12-29 | 2022-05-13 | 江门必发机械设备有限公司 | Dismounting device for threaded sleeve of screw dismounting machine |
| CN114474657B (en) * | 2021-12-29 | 2024-03-29 | 江门必发机械设备有限公司 | Screw sleeve removing device of screw disassembling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170315 Termination date: 20170922 |