CN207211688U - One kind button disc type scaffold - Google Patents
One kind button disc type scaffold Download PDFInfo
- Publication number
- CN207211688U CN207211688U CN201721188811.4U CN201721188811U CN207211688U CN 207211688 U CN207211688 U CN 207211688U CN 201721188811 U CN201721188811 U CN 201721188811U CN 207211688 U CN207211688 U CN 207211688U
- Authority
- CN
- China
- Prior art keywords
- connector
- connecting rod
- vertical rod
- disc type
- annular
- 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
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910000712 Boron steel Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- NRUIKNFKQRONSW-UHFFFAOYSA-N [B].[Ti].[Mn] Chemical compound [B].[Ti].[Mn] NRUIKNFKQRONSW-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Emergency Lowering Means (AREA)
Abstract
The utility model discloses one kind to detain disc type scaffold, including vertical rod and movable pulley, the movable pulley includes wheel seat, connecting rod is removably fixed with vertically on the wheel seat, the connecting rod upper end is additionally provided with connection component, the connection component includes the first connector and the second connector, middleware is detachably provided between first connector and the second connector, first connector and the second connector are retainer ring, the retainer ring includes annular disk, and two annular disks are fixedly connected with vertical rod and connecting rod respectively；The middleware includes fastening screw and clamp nut, is arranged with compression spring on the fastening screw, reinforcement is provided between the annular disk and annular sleeve.The utility model provide it is easy to use, can move integrally and a kind of security is higher button disc type scaffold.
Description
Technical field
It the utility model is related to a kind of scaffold, more particularly to a kind of button disc type scaffold.
Background technology
Scaffold is to ensure to construct the workbench for being smoothed out and setting up, and belongs to what a kind of industries such as building were commonly used
Eminence construction auxiliary equipment.In the last few years, as the accelerated development of national basis construction, spigot-and-socket disk buckle scaffold are widely used in
In the engineering projects such as Fang Jian, bridges and culverts；But the shortcomings that this scaffold is to take to tear that the time is longer, and changing position needs to enter again open
Row dismounting.
In view of the above-mentioned problems, the utility model patent that China Patent No. is CN205224560U discloses one kind and moved integrally
The running gear of spigot-and-socket disk buckle scaffold support system, including vertical rod bracket, two latch cards, two pieces of shell feed plates, bracket branch
Support, jack, two common buckle scaffold tubes, multiple U-shaped cards, leash, hauling machine and at least 6 groups of sister blocks tow car.
Above-mentioned technical proposal below vertical rod by setting two groups of rollers, when needing to change construction location, staff
By tractor and leash scaffold can be driven integrally to be moved to next construction location on the ground.In use, due to
The quality of scaffold is often heavier, and after a long time use, roller is easy for being damaged, and staff needs to change in time
Roller；However, because scaffold is very heavy, staff want to lift scaffold carry out roller quick-replaceable will be very difficult.
Utility model content
The purpose of this utility model is to provide a kind of button disc type scaffold, by connecting rod and connection component, is convenient for changing
Movable pulley, the convenience used is greatly improved.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind button disc type pin hand
Frame, including vertical rod and movable pulley, the movable pulley include wheel seat, and the wheel seat, in being fixedly installed, erects with vertical rod on the wheel seat
Straight to be fixed with connecting rod, the connecting rod is set with wheel seat in detachable；The connecting rod upper end is set with vertical rod lower end in grafting
Put, and the connecting rod upper end is additionally provided with the connection component for being fixedly connected with vertical rod.
By using above-mentioned technical proposal, after connection component is artificially unclamped, because connecting rod and vertical rod are in grafting setting,
Connecting rod connection movable pulley can be integrally lifted up, and facilitate staff to dismantle the movable pulley that need to be changed from connecting rod lower end
Get off, so as on the basis of scaffold overall construction intensity is ensured, greatly facilitate the replacing of movable pulley, what is used is convenient
Property greatly improves.
The utility model is further arranged to：The connection component includes the first connector and the second connector, and described
A connection piece and the second connector are fixedly connected with connecting rod and vertical rod respectively；Between first connector and the second connector
The detachable middleware being provided with for being fixedly connected with the first connector and the second connector.
By using above-mentioned technical proposal, the first connector and the second connector are fixed with connecting rod and vertical rod connect respectively
Connect, meanwhile, the first connector and the second connector are integrally fixed by middleware, further connecting rod and vertical rod realized
It is fixed, it ensure that the structural strength of scaffold.
The utility model is further arranged to：First connector and the second connector are retainer ring, the fixation
Ring includes annular disk, and two annular disks are fixedly connected with vertical rod and connecting rod respectively；The middleware include fastening screw and
Clamp nut, the fastening screw wears two annular disks vertically, and is threadedly coupled with two annular disks；The clamp nut is set
There are two groups, two clamp nuts are threadedly connected to the both ends of fastening screw respectively, and two clamp nuts push against respectively
Lower two annular disks.
By using above-mentioned technical proposal, when clamp nut and fastening screw are tightened simultaneously, fastening screw coordinates tight
Gu two retainer rings can be fixedly connected by nut, so as to realize being connected for connecting rod and vertical rod.
The utility model is further arranged to：The fastening screw and clamp nut are using No. 45 steel, 40 boron steels, 20 manganese
One kind among titanium boron steel and 35CrMoA is made.
By using above-mentioned technical proposal, made by one kind in No. 45 steel, 40 boron steels, 20 manganese titanium boron steel and 35CrMoA
Into fastening screw and clamp nut, compared to plain bolt and nut, the intensity maximum of fastening screw and clamp nut improves, drop
The risk of low fastening screw and clamp nut damage, so as to improve the security that scaffold uses indirectly.
The utility model is further arranged to：Be arranged with compression spring on the fastening screw, the compression spring it is upper
Lower both ends push against two annular disks up and down respectively.
By using above-mentioned technical proposal, by being arranged compression spring on fastening screw, compression spring can be connection
Component provides sufficient pretightning force, so as to a certain extent, improve the structural strength of connection component, be favorably improved pin hand
The security of frame.
The utility model is further arranged to：The middleware is at least provided with 3 groups, and the middleware is circumferentially uniform
Distribution.
By using above-mentioned technical proposal, by multigroup middleware being circularly and evenly distributed, it ensure that connection component is whole
The structural strength of body, further increase the security of scaffold.
The utility model is further arranged to：The retainer ring also includes annular sleeve, and two annular sleeves are sheathed on respectively
In vertical rod and connecting rod；The annular disk is sheathed on the outside of annular sleeve, and is fixedly connected with the annular sleeve.
By using above-mentioned technical proposal, annular disk is fixedly connected by annular sleeve with vertical rod or connecting rod, effectively increase
Retainer ring is with connecting rod and the contact area of vertical rod, the structural strength that is favorably improved between connection component and connecting rod or vertical rod,
So as to further increase the security of scaffold.
The utility model is further arranged to：Reinforcement is provided between the annular disk and annular sleeve, the reinforcement is extremely
Few even circumferential is provided with two groups.
By using above-mentioned technical proposal, by setting multigroup reinforcement between annular disk and annular sleeve, further carry
The high structural strength of connection component, not only increases the bearing capacity of scaffold, and further increase scaffold entirety
Security.
The utility model is further arranged to：The connecting rod is threaded with vertical rod.
By using above-mentioned technical proposal, connecting rod is threadedly coupled with vertical rod, on the one hand, the spiral shell between connection and vertical rod
Line can carry a part of pressure, reduce the pressure that connection component is born, and improve the service life of connection component；Other hand,
After connection component is released, rotation connection bar may be such that movable pulley synchronously rises therewith, and hand is used all the time without staff
Movable pulley is held, further increases the convenience used.
The utility model is further arranged to：The connecting rod lower end is fixedly installed terminal pad, the terminal pad and wheel
Seat upper surface is abutted, and 3 groups of bolt and nut groups are at least evenly equipped between the terminal pad and wheel seat.
By using above-mentioned technical proposal, by setting multigroup bolt and nut group between terminal pad and wheel seat, improve
Structural strength between connecting rod and movable pulley, it is favorably improved the security that scaffold uses.
In summary, the utility model has the advantages that：
1st, by the way that connecting rod and vertical rod to be arranged to the structure type of grafting, after connection component is artificially unclamped, movable pulley
It can be risen overally with connecting rod, so that being greatly improved and using just without lifting scaffold in advance when changing movable pulley
Victory；
2nd, by the fastening screw and clamp nut of high intensity material, compression spring is coordinated to provide prestressing force, and set
Multigroup reinforcement between annular sleeve and annular disk, greatly improves the structural strength of scaffold, is favorably improved scaffold
Security；
3rd, by setting movable pulley in vertical rod lower end, the position of scaffold can freely change according to the change of construction location
Become, the time that scaffold is set up at a large amount of scenes is saved, so as to greatly reduce human cost.
Brief description of the drawings
Fig. 1 is that the present embodiment is mainly used in embodying the integrally-built axonometric schematic diagram of scaffold；
Fig. 2 is the structural representation that the present embodiment is mainly used in embodying mobile wheel mounting structure；
Fig. 3 is that the present embodiment is mainly used in embodying vertical rod, cross bar, the structural representation of brace connected mode；
Fig. 4 is the structural representation that the present embodiment is mainly used in embodying retainer ring.
Reference：1st, vertical rod；2nd, cross bar；3rd, brace；4th, clamp；41st, horizontal clamp；42nd, oblique clamp；5th, disk is detained；51st, lead to
Hole；6th, jack hole；7th, latch；8th, movable pulley；81st, wheel seat；9th, connecting rod；10th, terminal pad；11st, bolt and nut group；12nd, it is fixed
Ring；121st, annular disk；122nd, annular sleeve；13rd, reinforcement；14th, middleware；141st, fastening screw；142nd, clamp nut；15th, press
Contracting spring.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to accompanying drawing 1-2, one kind button formula scaffold of disk 5, be mainly used in construction, it include vertical rod 1, cross bar 2 and
Brace 3, and clamp 4 are equipped with cross bar 2 and brace 3, and vertical rod 1 is provided with button disk 5；By clamp 4 and buckle disk 5, vertical rod 1 and
Cross bar 2 takes the tower structure overlapped anyhow.
Above-mentioned vertical rod 1 is made with cross bar 2 of the welded tube of Φ 48*3.5 models, and brace 3 uses Φ 42*2.5 models
Welded tube be made.
Referring to accompanying drawing 3, button disk 5 is Circular Thin stamping parts, is made of Fine Steel Casting iron, and zinc-plated place is made on its surface
Reason；Its overall lighter in weight of disk 5 is detained, but shearing resistance and compression strength are larger；During installation, button disk 5 is sheathed in vertical rod 1, and with
Vertical rod 1 is welded and fixed；Meanwhile to be built into multi-story frame type structure, axial uniform intervals of the button disk 5 along vertical rod 1 are provided with multigroup.
To connect above-mentioned clamp 4, detain and offer through hole 51 vertically on disk 5, each through hole 51 is substantially circularly and evenly distributed.
Clamp 4 include horizontal clamp 41 and oblique clamp 42, and horizontal clamp 41 and oblique clamp 42 correspond to cross bar 2 and brace 3 respectively；By
Similar to the structure of oblique clamp 42 in horizontal clamp 41, now to describe its concrete structure by taking cross bar 2 as an example, horizontal clamp 41 are welded and fixed
In the end of cross bar 2；Cross bar 2 is overlapped on by horizontal clamp 41 and buckled on disk 5, and offers jack hole 6 on horizontal clamp 41 vertically, is appointed
Jack hole 6 on one horizontal clamp 41 corresponds to respectively buckles a certain through hole 51 on disk 5, and jack hole 6 with being inserted with vertically in through hole 51
Latch 7,7 wedge shaped structure of latch, and formed and be engaged by clamping with jack hole 6 and through hole 51, there is the characteristics of mutual interlocking gear, use
It is more convenient；In the presence of interlocking with gravity, timely latch 7 fails to be seated, and cross bar 2 or brace 3 can not also be deviate from, and improve
The stability and security of scaffold.
Referring to accompanying drawing 2, the lower end of above-mentioned vertical rod 1 is provided with movable pulley 8, and movable pulley 8 uses high-strength nylon wheel, and it includes wheel
Seat 81, movable pulley 8 is fixedly connected entirely through wheel seat 81 with vertical rod 1；For connection movable pulley 8 and vertical rod 1, the top of wheel seat 81 is provided with
Connecting rod 9；The lower end of connecting rod 9 is welded with terminal pad 10, and terminal pad 10 abuts against with the upper surface of wheel seat 81, and terminal pad
10 four edges are equipped with bolt and nut group 11, and terminal pad 10 is fixedly connected by each bolt and nut group 11 with wheel seat 81, and
So that it is in be vertically arranged that connecting rod 9 is overall.
Referring to accompanying drawing 1-2, the upper end of connecting rod 9 is inserted in the lower end of vertical rod 1, and is threadedly coupled with vertical rod 1；To be further
Fixed connecting rod 9 and vertical rod 1, the top of connecting rod 9 are provided with connection component.
Connection component includes retainer ring 12, and retainer ring 12 is made up of annular sleeve 122 and annular disk 121, and annular disk 121 welds
It is fixed on the outside of annular sleeve 122；Retainer ring 12 is provided with two groups, and two retainer rings 12 are sheathed in connecting rod 9 and vertical rod 1 respectively；
By taking vertical rod 1 as an example, retainer ring 12 is sheathed in vertical rod 1, and wherein annular sleeve 122 is welded and fixed with vertical rod 1, so as to by retainer ring 12
It is integrally attached on vertical rod 1；Similar, another retainer ring 12 is fixedly installed in connecting rod 9 in the same way.
To improve the structural strength of connection component, reinforcement 13, reinforcement are provided between annular disk 121 and annular sleeve 122
13 are welded and fixed with annular disk 121 and annular sleeve 122 respectively, and the even circumferential of reinforcement 13 is provided with 6 groups.
Above-mentioned two retainer rings 12 up and down have respectively constituted the first connector and the second connector.
It is used to be fixedly connected with connecting rod 9 and the middleware 14 of vertical rod 1 as shown in Fig. 2 being provided between upper and lower two retainer ring 12；
Middleware 14 includes fastening screw 141 and clamp nut 142, and wherein fastening screw 141 wears two annular disks up and down vertically simultaneously
121, and be threadedly coupled simultaneously with upper and lower two annular disk 121；Clamp nut 142 is provided with two groups, and two clamp nuts 142 difference spiral shell
Line is connected to the both ends of fastening screw 141；When two clamp nuts 142 are tightened simultaneously, two clamp nuts 142 can push against respectively
Upper and lower two annular disk 121, fixed so as to be realized to connecting rod 9 and vertical rod 1.
Further to improve the structural strength of connection component, above-mentioned fastening screw 141 and clamp nut 142 use No. 45
One kind among steel, 40 boron steels, 20 manganese titanium boron steel and 35CrMoA is made；Also, it is arranged with compression spring on fastening screw 141
15, the upper and lower ends of compression spring 15 push against two annular disks 121 up and down respectively；In work, compression spring 15, which plays offer, in advance should
The effect of power.In addition, the middleware 14 is provided with 6 groups between upper and lower two retainer ring 12, each middleware 14 is circularly and evenly distributed,
And respectively between adjacent two reinforcement 13.
The operation principle of the present embodiment is：When a certain movable pulley 8 needs to change, staff need to only unclamp each tight simultaneously
Gu nut 142, then removing each fastening screw 141, and it is rotatablely connected bar 9；Now, movable pulley 8 can be with the synchronization of connecting rod 9
Rise, and depart from ground.
Then, staff only needs to unload wheel seat 81 from terminal pad 10, you can overall to pull down movable pulley 8；Finally, work
Make personnel and load onto new movable pulley 8 in the same way.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (10)
1. one kind button disc type scaffold, including vertical rod（1）And movable pulley（8）, the movable pulley（8）Including wheel seat（81）, it is described
Wheel seat（81）With vertical rod（1）In fixed setting, it is characterized in that：The wheel seat（81）On be vertically fixed connecting rod（9）, the company
Extension bar（9）With wheel seat（81）Set in detachable；The connecting rod（9）Upper end and vertical rod（1）Lower end is set in grafting, and described
Connecting rod（9）Upper end is additionally provided with for being fixedly connected with vertical rod（1）Connection component.
2. a kind of button disc type scaffold according to claim 1, it is characterized in that：The connection component includes the first connector
With the second connector, first connector and the second connector respectively with connecting rod（9）And vertical rod（1）It is fixedly connected；It is described
Detachably it is provided between first connector and the second connector for being fixedly connected in the first connector and the second connector
Between part（14）.
3. a kind of button disc type scaffold according to claim 2, it is characterized in that：First connector and the second connector
It is retainer ring（12）, the retainer ring（12）Including annular disk（121）, two annular disks（121）Respectively with vertical rod（1）With
Connecting rod（9）It is fixedly connected；The middleware（14）Including fastening screw（141）And clamp nut（142）, the fastening screw
（141）Wear two annular disks vertically（121）, and with two annular disks（121）Threaded connection；The clamp nut（142）If
There are two groups, two clamp nuts（142）Fastening screw is threadedly connected to respectively（141）Both ends, and two clamp nuts
（142）Two annular disks up and down are pushed against respectively（121）.
4. a kind of button disc type scaffold according to claim 3, it is characterized in that：The fastening screw（141）With fastening spiral shell
It is female（142）One kind among No. 45 steel, 40 boron steels, 20 manganese titanium boron steel and 35CrMoA is used to be made.
5. a kind of button disc type scaffold according to claim 4, it is characterized in that：The fastening screw（141）On be arranged with
Compression spring（15）, the compression spring（15）Upper and lower ends push against respectively up and down two annular disks（121）.
6. a kind of button disc type scaffold according to claim 5, it is characterized in that：The middleware（14）At least provided with 3
Group, and the middleware（14）It is circularly and evenly distributed.
7. a kind of button disc type scaffold according to claim 6, it is characterized in that：The retainer ring（12）Also include annular sleeve
（122）, two annular sleeves（122）Vertical rod is sheathed on respectively（1）And connecting rod（9）On；The annular disk（121）It is sheathed on ring
Shape set（122）Outside, and with the annular sleeve（122）It is fixedly connected.
8. a kind of button disc type scaffold according to claim 7, it is characterized in that：The annular disk（121）With annular sleeve
（122）Between be provided with reinforcement（13）, the reinforcement（13）At least even circumferential is provided with two groups.
9. a kind of button disc type scaffold according to claim 1 or 8, it is characterized in that：The connecting rod（9）With vertical rod（1）
It is threaded.
10. a kind of button disc type scaffold according to claim 1 or 8, it is characterized in that：The connecting rod（9）Lower end is fixed
It is provided with terminal pad（10）, the terminal pad（10）With wheel seat（81）Upper surface abuts, and the terminal pad（10）With wheel seat
（81）Between be at least evenly equipped with 3 groups of bolt and nut groups（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188811.4U CN207211688U (en) | 2017-09-16 | 2017-09-16 | One kind button disc type scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188811.4U CN207211688U (en) | 2017-09-16 | 2017-09-16 | One kind button disc type scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207211688U true CN207211688U (en) | 2018-04-10 |
Family
ID=61825220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188811.4U Expired - Fee Related CN207211688U (en) | 2017-09-16 | 2017-09-16 | One kind button disc type scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207211688U (en) |
-
2017
- 2017-09-16 CN CN201721188811.4U patent/CN207211688U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204526631U (en) | A kind of detachable large and medium-sized airplane wheel installing/dismounting car | |
| CN106702906A (en) | Pre-pressing device for hanging baskets and pre-pressing method thereof | |
| CN105365873A (en) | Mobile lifting device with brake | |
| CN202379598U (en) | Lifting hook and lifting equipment | |
| CN207211688U (en) | One kind button disc type scaffold | |
| CN102674151A (en) | Crane girder | |
| CN200988754Y (en) | Oil cylinder changing device by press | |
| CN101450766B (en) | Lifting installation method for ultralong workpiece and used fixture cross beam | |
| CN203318447U (en) | Steel grating plate mounting cart | |
| CN201276396Y (en) | Anti-rope drop head sheave apparatus | |
| CN203159027U (en) | A prefabricated iron tower foundation spreader | |
| CN202367414U (en) | Locomotive axle-hung box bearing removal load-bearing plate | |
| CN202038813U (en) | Simple detachable portal frame | |
| CN213795145U (en) | Auxiliary device for mounting and dismounting speed reducer for roller press | |
| CN210452066U (en) | Pull rod sharpening machine of subway evacuation platform | |
| CN204251092U (en) | The bracket system of steel rope reel | |
| CN209140861U (en) | Detachable mobile tooling shelf is adjusted | |
| CN206070745U (en) | A kind of steel construction | |
| CN202785301U (en) | Main beam of crane | |
| CN202715618U (en) | Replacing device of current-voltage characteristic block of rolling mill | |
| CN219136154U (en) | Special frock of frequency conversion roll table dismouting | |
| CN204208902U (en) | A kind of can the roller bed device of the dismounting body of roll online | |
| CN213623026U (en) | Self-control tower crane convenient to dismantle | |
| CN218612459U (en) | Auxiliary device for welding of steel billet anchor | |
| CN212203462U (en) | Pre-tightening type pipeline hoop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |