CN106382275A - Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate - Google Patents
Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate Download PDFInfo
- Publication number
- CN106382275A CN106382275A CN201611046776.2A CN201611046776A CN106382275A CN 106382275 A CN106382275 A CN 106382275A CN 201611046776 A CN201611046776 A CN 201611046776A CN 106382275 A CN106382275 A CN 106382275A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- oil
- piston
- oil circuit
- stator bore
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
Abstract
The invention discloses a hydraulic oil cylinder with built-in circulating oil paths and an inclined supporting plate. The hydraulic oil cylinder comprises a fixed cylinder barrel assembly and a movable cylinder barrel assembly movably arranged in an inner cavity of the fixed cylinder barrel assembly. The fixed cylinder barrel assembly comprises a fixed cylinder barrel and a piston rod arranged in the center of the inner cavity of the fixed cylinder barrel in parallel. The bottom end of the piston rod and the bottom end of the fixed cylinder barrel are connected and fixed through a flange. An annular cavity with a closed bottom is formed between the inner wall of the fixed cylinder barrel and the outer wall of the piston rod. The movable cylinder barrel assembly is inserted into the annular cavity from the top of the annular cavity and can do piston motion in the vertical direction. The first oil path and the second oil path are vertically arranged in a rod body of the piston rod side by side. The upper end of the first oil path is transversely bent and penetrates through the side wall of the piston rod, and the second oil path vertically penetrates through the top face of the piston rod. The hydraulic oil cylinder is internally provided with the first oil path and the second oil path, so that hydraulic oil circulates inside the hydraulic oil cylinder, the situation that an oil pipe is damaged due to external bump and consequently a hydraulic oil cylinder can not supply oil can be effectively avoided, and performance is reliable and stable.
Description
Technical field
The present invention relates to a kind of oil cylinder technology is and in particular to a kind of built-in circulating oil path and the hydraulic oil with inclined shore disk
Cylinder.
Background technology
Hydraulic jack is to be changed into mechanical energy, can do the hydraulic actuator of straight reciprocating motion hydraulic energy.It is tied
Structure is simple, reliable operation.When being realized with it moving back and forth, deceleration device can be removed from, and there is no drive gap, motion is flat
Surely, therefore it is used widely in the hydraulic system of various machineries.
Common hydraulic jack mainly includes cylinder barrel and piston component, and the part having piston rod of cylinder barrel internal cavity is to have
Bar inner chamber, the part not having piston rod of cylinder barrel internal cavity are no bar inner chamber, by outside oil circuit successively have bar inner chamber and
No in bar inner chamber, fuel feeding just can promote piston rod linear reciprocating motion with draining the oil.
In most of field the hydraulic jack of application all by the way of outside oil circuit to hydraulic jack fuel feeding and draining the oil,
The hydraulic jack principle of this outside oil circuit is simple, easily realizes, production cost is relatively low, but oil circuit is arranged on cylinder body
Oil pipe is easily damaged due to collision in outside, so lead to hydraulic jack cannot fuel feeding, the hydraulic jack of this outside fuel feeding
Energy and reliability are relatively poor.
Content of the invention
It is an object of the invention to overcoming shortcoming of the prior art and deficiency, provide a kind of stablizing of built-in circulating oil path
The property preferable hydraulic jack of reliability.
The present invention is achieved by the following technical solutions：A kind of built-in circulating oil path and the hydraulic oil with inclined shore disk
Cylinder, including：Stator bore assembly and can in described stator bore assembly inner chamber piston movement movable cylinder assembly；Described solid
Determine cylinder assembly, be arranged in an axially parallel mode mesotropic piston rod, described fixation in stator bore including stator bore and along it
Cylinder barrel and piston rod bottom flange are connected, and the setting of described piston rod top is greater diameter than the piston of diameter of piston rod
Axially it is arranged side by side the first oil circuit and the second oil circuit, described first oil circuit and the second oil circuit bottom along it in head, piston club shaft
Connection, the top of the first oil circuit are being pressed close to piston head bottom end cross break and are being run through the body of rod of piston rod, described second oil circuit top
Run through described piston head and be communicated to the inner chamber of described activity cylinder assembly；Described activity cylinder assembly, it is from stator bore group
The top of part is inserted the inner chamber of stator bore assembly and is entangled described piston head and piston rod, and described activity cylinder assembly includes living
Moveable cylinder and be arranged on movable cylinder barrel bottom interior oil cut-off plug, described activity cylinder barrel entangle described piston head, described interior oil every
Piston rod is stated in disconnected plug sleeve residence, and the top of described activity cylinder barrel connects universal connecting components, and described universal connecting components top is passed through
One anchor ear is connected with the support plate being obliquely installed, described anchor ear and 28 degree of the equal horizontal tilt of support plate.
Further, the bottom of described piston rod connects a bidirectional hydraulic lock, two liquid of setting inside described bidirectional hydraulic lock
Pressure lock hydraulic fluid port is respectively communicated with the first oil circuit and the bottom of the second oil circuit.
Further, described piston rod upper end is provided with first hydraulic fluid port extending transversely through side wall, and described first hydraulic fluid port is pressed close to
Described piston head bottom surface and connecting with the first oil circuit top；Described first oil circuit passes through the side wall connection from piston rod for first hydraulic fluid port
To outside the body of rod of piston rod；Described second oil circuit is by the second hydraulic fluid port from the body of rod that the top surface of piston rod is communicated to piston rod.
Further, described stator bore bottom end side wall is arranged a tack acoustic filter, described tack acoustic filter connection
The inner chamber of stator bore.
Further, described piston head the bore seal of described activity cylinder assembly is separated, the movable cylinder below piston head
The inner chamber of cartridge module is to have bar inner chamber, and the inner chamber of movable cylinder assembly more than piston head is no bar inner chamber, described first oil circuit
It is communicated with bar inner chamber, the second oil circuit through the first hydraulic fluid port through the second hydraulic fluid port connection no bar inner chamber.
Further, described piston head is arranged with piston seal assembly, described piston seal assembly includes O sheathed successively
Shape circle, back-up ring, Glais ring and general plug envelope；Described interior oil cut-off is arranged with interior oil seal assembly, described interior oil seal assembly beyond the Great Wall
Including dust ring sheathed successively, rod seal U-shaped circle, rod seal, support ring and O-ring.
Further, described stator bore top is arranged with closure assemblies, and described closure assemblies are included from bottom to up successively
The support set of setting, spacer, dust ring and gland；One through type pressure injection oil is additionally provided with described stator bore tip side wall
Cup, this through type forced filling oil cup crosses the barrel of described gland and stator bore.
Further, described piston rod bottom end side wall connects a pressure regulation head, described pressure regulation head connects the second oil circuit, and adjusting
Block after pressure.
Further, this built-in circulating oil path and the hydraulic jack appearance mirror polish with inclined shore disk and be coated with hard chrome, firmly
The thickness of coating of chromium is more than 25um.
Compared to prior art, the invention has the beneficial effects as follows：
Built-in first oil circuit of this hydraulic jack and the second oil circuit, by bidirectional hydraulic lock control internal oil passages, make hydraulic oil
In oil cylinder inner loop, external impact can be prevented effectively from and damage oil pipe, lead to the hydraulic jack cannot fuel feeding；Multilamellar piston seal group
Part cooperation is tight, ne-leakage oil；Hydraulic jack polishes and is coated with the hard chrome of wear resistant corrosion resistant, can drenching with rain, high temperature, low temperature, wet
Steady operation under the environment such as heat, solar radiation, sand dust, salt fog, mycete, dependable performance is stable.
In order to be able to the apparent understanding present invention, illustrate the preferably embodiment party of the present invention below with reference to brief description
Formula.
Brief description
Fig. 1 is the cross section structure schematic diagram of hydraulic jack of the present invention.
Fig. 2 is the enlarged drawing of local A in Fig. 1.
Fig. 3 is that when in Fig. 1, movable cylinder assembly stretches out, oil circuit moves towards schematic diagram.
Fig. 4 is the enlarged drawing of Local C in Fig. 3.
Fig. 5 is the enlarged drawing of local D in Fig. 3.
Fig. 6 is that when in Fig. 1, movable cylinder assembly is retracted, oil circuit moves towards schematic diagram.
Specific embodiment
Please refer to Fig. 1 to Fig. 6, Fig. 1 is the cross section structure schematic diagram of hydraulic jack of the present invention, and Fig. 2 is local in Fig. 1
The enlarged drawing of A, Fig. 3 is that when in Fig. 1, movable cylinder assembly stretches out, oil circuit moves towards schematic diagram, and Fig. 4 is the enlarged drawing of Local C in Fig. 3,
Fig. 5 is the enlarged drawing of local D in Fig. 3, and Fig. 6 is that when in Fig. 1, movable cylinder assembly is retracted, oil circuit moves towards schematic diagram.
See Fig. 1 and Fig. 2, a kind of built-in circulating oil path of the present invention and the hydraulic jack 10 with inclined shore disk, including one
Stator bore assembly 20 and and one can in described stator bore assembly 20 inner chamber piston movement movable cylinder assembly 30.Described
Hydraulic jack 10 appearance mirror polish and be coated with hard chrome, the thickness of coating of hard chrome is more than 25um.
Described stator bore assembly 20 includes a stator bore 21 and and is arranged in an axially parallel mode in described stator bore along it
Mesotropic piston rod 22 in 21, described piston rod 22 and stator bore 21 are connected in bottom flange, described activity cylinder
Cartridge module 30 inserts the inner chamber of described stator bore 21 from the top of described stator bore 21 and entangles described piston rod 22.
Described stator bore 21 top is arranged with a closure assemblies 21a, and described closure assemblies 21a is included from bottom to up successively
The support set 21a-1 of setting, spacer 21a-2, dust ring 21a-3 and gland 21a-4, gland 21a-4 is by described closure assemblies 21a
Compress and be fixed in stator bore 21 upper end inner chamber.It is additionally provided with a through type pressure injection on described stator bore 21 tip side wall
Lubricating cup 21b, this through type forced filling oil cup 21b crosses the barrel of described gland 21a-4 and stator bore 21, for described solid
Determine the inner chamber injection lubricant of cylinder barrel 21.
One tack acoustic filter 21c is arranged on described stator bore 21 bottom sidewall, described tack acoustic filter 21c crosses fixation
The side wall of cylinder barrel 21 connects the inner chamber of stator bore 21 so that described stator bore 21 inner chamber is communicated with outer gas stream and reduces pressure
The flow noise of contracting air-flow.
Described piston rod 22 top bolt is fixed a piston head 22a, is axially set side by side along it in the body of rod of piston rod 22
Put the first oil circuit 22b and the second oil circuit 22c, described piston rod 22 upper end is provided with a first hydraulic fluid port 22d extending transversely through side wall,
Described first hydraulic fluid port 22d is pressed close to described piston head 22a bottom surface and is connected with the first oil circuit 22b top；The top of described piston rod 22
Second hydraulic fluid port 22e is opened up on face, described second hydraulic fluid port 22e is connected with the second oil circuit 22c top.Described first oil circuit 22b passes through
First hydraulic fluid port 22d is communicated to the body of rod of piston rod 22 from piston rod 22 side wall；Described second oil circuit 22c is through the second hydraulic fluid port
22e is communicated to the body of rod of piston rod 22 from piston rod 22 top surface.
The bottom of described piston rod 22 connects a bidirectional hydraulic lock 22g, is arranged on two within described bidirectional hydraulic lock 22g
Individual hydraulic lock hydraulic fluid port is connected with the bottom of described first oil circuit 22b and the second oil circuit 22c respectively；Connect on piston rod bottom end side wall
One pressure regulation head 22h, described pressure regulation head 22h connects the second oil circuit 22c bottom, this built-in circulating oil path and the liquid with inclined shore disk
During compressing cylinder 10 debugging internal oil passages pressure, aero oil pressure regulation is injected by pressure regulation head 22h, and block pressure regulation head after pressure regulation
22h.
Described piston head 22a with diameter greater than the diameter of piston rod 22, a sheathed piston seal assembly 22f on piston head 22a,
Described piston seal assembly 22f include O-ring 22f-1 sheathed successively, back-up ring 22f-2, Glais ring 22f-3 and general plug envelope
22f-4.
The bore seal of described activity cylinder assembly 30 is separated by described piston head 22a, the movable cylinder of piston head 22a lower end
The inner chamber of cartridge module 30 is to have bar inner chamber 31b, and the inner chamber of the movable cylinder assembly 30 of piston head 22a upper end is no bar inner chamber 31a,
Described first oil circuit 22b is communicated with bar inner chamber 31b, the second oil circuit 22c through the second hydraulic fluid port 22e connection no bar through the first hydraulic fluid port 22d
Inner chamber 31a.
Described activity cylinder assembly 30 include a movable cylinder barrel 31 and be fixed on the interior oil of this movable cylinder barrel 31 bottom every
Disconnected plug 32.Described activity cylinder barrel 31 coupling entangles piston head 22a, described interior oil cut-off plug 32 coupling entangles described piston rod 22,
Described interior oil cut-off plug 32 has bar inner chamber 31b and the bore seal of described stator bore 21 to isolate by described, in order to avoid there being bar inner chamber
Hydraulic oil in 31b enters the inner chamber of stator bore 21.The top of described activity cylinder barrel 31 connects universal connecting components 33, described
Universal connecting components 33 top is connected with support plate 33a being obliquely installed by an anchor ear 33b, described anchor ear 33b and support
The equal horizontal tilt of disk 33a one α degree.Preferably, the present embodiment, described α is 28 degree.
It is arranged with interior oil seal assembly, this interior oil seal assembly includes sheathed dust-proof successively on described interior oil cut-off plug 32
Circle, rod seal U-shaped circle, rod seal, support ring and O-ring etc..
See Fig. 3 to Fig. 6, the hydraulic jack 10 of the present invention operationally, the first internal oil circuit 22b and the second oil circuit 22c
In hydraulic oil flow to and be：
When stator bore 21 stretches out, outer gas stream flows into stator bore through tack acoustic filter 21c to movable cylinder assembly 30
21 inner chambers.Hydraulic oil successively from have bar inner chamber 31b flow through the first hydraulic fluid port 22d, the first oil circuit 22b, bidirectional hydraulic lock 22g,
Two oil circuit 22c, the second hydraulic fluid port 22e, eventually enter into no bar inner chamber 31a.
When movable cylinder assembly 30 is retracted in stator bore 21, internal gas flow flows out stationary cylinder through tack acoustic filter 21c
Cylinder 21 inner chambers.Hydraulic oil flow through from no bar inner chamber 31a successively the second hydraulic fluid port 22e, the second oil circuit 22c, bidirectional hydraulic lock 22g,
First oil circuit 22b, the first hydraulic fluid port 22d, have eventually entered into bar inner chamber 31b.By controlling the closure lockable of bidirectional hydraulic lock 22g
Hydraulic jack 10, allows hydraulic jack 10 be in packing state.
The invention is not limited in above-mentioned embodiment, if the various changes to the present invention or deformation are without departing from the present invention
Spirit and scope, if these are changed and within the scope of deformation belongs to claim and the equivalent technologies of the present invention, then this
Bright it is also intended to comprise these and changes and deform.
Claims (10)
1. a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk are it is characterised in that include：Stator bore assembly and
Can in described stator bore assembly inner chamber piston movement movable cylinder assembly；
Described stator bore assembly, is arranged in an axially parallel mode mesotropic piston in stator bore including stator bore and along it
Bar, described stator bore and piston rod bottom are connected, and described piston rod top is arranged greater diameter than diameter of piston rod
Axially it is arranged side by side the first oil circuit and the second oil circuit, described first oil circuit and the second oil circuit along it in piston head, piston club shaft
Bottom connection, the top of the first oil circuit are being pressed close to piston head bottom end cross break and are being run through the body of rod of piston rod, described second oil circuit
Top is run through described piston head and is communicated to the inner chamber of described activity cylinder assembly；
Described activity cylinder assembly, it inserts the inner chamber of stator bore assembly from the top of stator bore assembly and entangles described work
Chock plug and piston rod, described activity cylinder assembly includes movable cylinder barrel and the interior oil cut-off plug being arranged on movable cylinder barrel bottom, institute
State that movable cylinder barrel entangles described piston head, piston rod is stated in described interior oil cut-off plug sleeve residence, the top of described activity cylinder barrel connects
One universal connecting components, described universal connecting components top is connected with the support plate being obliquely installed by an anchor ear, described anchor ear
And 28 degree of the equal horizontal tilt of support plate.
2. as claimed in claim 1 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
The bottom stating piston rod connects two hydraulic lock hydraulic fluid ports of setting inside a bidirectional hydraulic lock, described bidirectional hydraulic lock and is respectively communicated with the
One oil circuit and the bottom of the second oil circuit.
3. as claimed in claim 1 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
State piston rod upper end and be provided with first hydraulic fluid port extending transversely through side wall, described first hydraulic fluid port press close to described piston head bottom surface and with
First oil circuit top connection；Described first oil circuit is by the first hydraulic fluid port from the body of rod that the side wall of piston rod is communicated to piston rod；
Described second oil circuit is by the second hydraulic fluid port from the body of rod that the top surface of piston rod is communicated to piston rod.
4. as claimed in claim 1 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
State and a tack acoustic filter is arranged on described stator bore bottom end side wall, described tack acoustic filter connects the inner chamber of stator bore.
5. a kind of built-in circulating oil path as described in claim 1 and the hydraulic jack with inclined shore disk it is characterised in that：
Described piston head separates the bore seal of described activity cylinder barrel, the inner chamber of movable cylinder barrel below piston head for there being bar inner chamber,
The inner chamber of movable cylinder assembly more than piston head is no bar inner chamber, described first oil circuit through the first hydraulic fluid port be communicated with bar inner chamber,
Second oil circuit is through the second hydraulic fluid port connection no bar inner chamber.
6. a kind of built-in circulating oil path as described in claim 2 to 5 and the hydraulic jack with inclined shore disk, its feature exists
In：Piston seal assembly is arranged with described piston head, described piston seal assembly includes O-ring sheathed successively, back-up ring, lattice
Lai Quan and general plug envelope；Described interior oil cut-off is arranged with interior oil seal assembly beyond the Great Wall, and described interior oil seal assembly includes sheathed successively
Dust ring, rod seal U-shaped circle, rod seal, support ring and O-ring.
7. as claimed in claim 6 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
State stator bore top and be arranged with closure assemblies, support set that described closure assemblies include setting gradually from bottom to up, spacer,
Dust ring and gland；It is additionally provided with a through type forced filling oil cup, this through type forced filling oil cup on described stator bore tip side wall
Cross the barrel of described gland and stator bore.
8. as claimed in claim 7 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
State stator bore and piston rod to be connected in bottom flange.
9. as claimed in claim 8 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：Institute
State and a pressure regulation head is connected on piston rod bottom end side wall, described pressure regulation head connects the bottom of described second oil circuit.
10. as claimed in claim 9 a kind of built-in circulating oil path and the hydraulic jack with inclined shore disk it is characterised in that：
This built-in circulating oil path and the hydraulic jack appearance mirror polish with inclined shore disk and be coated with hard chrome, the thickness of coating of hard chrome is more than
25um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046776.2A CN106382275A (en) | 2016-11-23 | 2016-11-23 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046776.2A CN106382275A (en) | 2016-11-23 | 2016-11-23 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106382275A true CN106382275A (en) | 2017-02-08 |
Family
ID=57959746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046776.2A Pending CN106382275A (en) | 2016-11-23 | 2016-11-23 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382275A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007308300A (en) * | 2006-05-17 | 2007-11-29 | Takeshi Shimizu | Composite pressurizing two-stage changeover jack |
| CN201461598U (en) * | 2009-06-26 | 2010-05-12 | 重庆众全农机连锁有限公司 | Cylinder-valve integrated type hydraulic cylinder |
| CN201843745U (en) * | 2010-10-21 | 2011-05-25 | 天津赛瑞机器设备有限公司 | High-pressure gas pump |
| CN202322195U (en) * | 2011-12-09 | 2012-07-11 | 韶关市博仕乐液压机械制造有限公司 | Stable jack oil cylinder |
| EP2792890A1 (en) * | 2013-04-18 | 2014-10-22 | Bümach Engineering International B.V. | Section-damped plunger cylinder |
| CN205025857U (en) * | 2015-10-12 | 2016-02-10 | 江苏恒立高压油缸股份有限公司 | Breaker hydro -cylinder |
-
2016
- 2016-11-23 CN CN201611046776.2A patent/CN106382275A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007308300A (en) * | 2006-05-17 | 2007-11-29 | Takeshi Shimizu | Composite pressurizing two-stage changeover jack |
| CN201461598U (en) * | 2009-06-26 | 2010-05-12 | 重庆众全农机连锁有限公司 | Cylinder-valve integrated type hydraulic cylinder |
| CN201843745U (en) * | 2010-10-21 | 2011-05-25 | 天津赛瑞机器设备有限公司 | High-pressure gas pump |
| CN202322195U (en) * | 2011-12-09 | 2012-07-11 | 韶关市博仕乐液压机械制造有限公司 | Stable jack oil cylinder |
| EP2792890A1 (en) * | 2013-04-18 | 2014-10-22 | Bümach Engineering International B.V. | Section-damped plunger cylinder |
| CN205025857U (en) * | 2015-10-12 | 2016-02-10 | 江苏恒立高压油缸股份有限公司 | Breaker hydro -cylinder |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170208 |