CN105179620A - Double tension device used for driving belt and corresponding belt driving system - Google Patents
Double tension device used for driving belt and corresponding belt driving system Download PDFInfo
- Publication number
- CN105179620A CN105179620A CN201510691306.0A CN201510691306A CN105179620A CN 105179620 A CN105179620 A CN 105179620A CN 201510691306 A CN201510691306 A CN 201510691306A CN 105179620 A CN105179620 A CN 105179620A
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- Prior art keywords
- driving belt
- belt
- tension device
- wheel
- idle wheel
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to a double tension device used for a driving belt and a corresponding belt driving system. The double tension device comprises a support, an adjusting plate, an internal tensioning wheel, an external tensioning wheel and an elastic pre-tensioning mechanism. The support is fixedly arranged relative to a belt wheel rotating shaft of the driving belt. The adjusting plate is arranged on the support in a rotating mode, the internal tensioning wheel is arranged on the adjusting plate in a rotating mode through a first supporting shaft, the external tensioning wheel is arranged on the adjusting plate in a rotating plate through a second supporting shaft, and one end of the elastic pre-tensioning mechanism is hinged to the adjusting plate. The internal tensioning wheel and the external tensioning wheel are spaced, the rotating angle of the adjusting plate relative to the support can be adjusted through the elastic pre-tensioning mechanism, the internal tensioning wheel is a groove-type wheel with an internal groove in the surface, and the driving belt is embedded into the groove-type wheel. According to the double tension device used for the driving belt, space occupied by the belt driving system is easily reduced so that the driving system compact in structure can be conveniently formed. In addition, the driving belt can be prevented from jumping from the belt wheel in the working process, and the operation stability of the belt driving system is improved.
Description
Technical field
The present invention relates to a kind of tension device, more specifically, relate to a kind of tension device for driving belt.In addition, the belt transmission system comprising this tension device is also related to.
Background technique
Below background of related of the present invention is described, but these explanations might not form prior art of the present invention.
V belt translation is a kind of traditional type of belt drive, it has that structure is simple, stable drive, buffering absorbing, can between large distance between shafts and multiaxis transferring power, and cheap, do not need lubrication, safeguard the features such as simple, applied very widely in Modern Mechanical transmission.Because V belt translation is Flexible Transmission, along with the prolongation of the service time of belt transmission system, may there is relaxation phenomenon in driving belt, and this will cause the reduction of drive belt slip and transmission efficiency.
There are some for carrying out the tension device of tensioning to driving belt in prior art.Usually, belt tensioner adopts individual bearing up pulley tensioning, but due to the centre distance of driving wheel in transmission system and follower longer, and drivign belt is longer, and the stroke that during tensioning, Idle wheel needs is also longer.Therefore, in complete machine, need reserved larger space, make the structure of overall transmission machinery compact not.In addition, individual bearing up pulley tension structure this is also cumbersome when regulating, and therefore its application is restricted.
In addition, the tensioning mechanism with two Idle wheels is also developed in prior art, but because two Idle wheels are flat tyre wheel, it only can meet usage requirement in the transmission system operated steadily, then de-zoning may be there is, in the belt transmission system such as used on agri-vehicle in the transmission system that operating environment is comparatively severe.When field is run, there is violent vibration in agri-vehicle, the belt that is in operation can produce comparatively violent shake with agri-vehicle, may occur the problem of jumping band thus.
Therefore, a kind of V belt translation tension device that can solve the above-mentioned problems in the prior art is needed in prior art, this tension device can not only be regulated by the tension force of controlling mechanism to driving belt very easily, and can prevent the phenomenon that band occurs when belt transmission system bears high vibration to jump.
Summary of the invention
For the tensioning mechanism with individual bearing up pulley for driving belt existed in prior art take up space comparatively large, be not easy to promote and the tensioning mechanism operation stability of double sheet bearing up pulley poor, be easy to the problem occurring to jump band, the present invention proposes a kind ofly occupy less space and can prevent from occurring in operating process to jump the two tension device for driving belt of zoning.
The present invention proposes a kind of two tension device for driving belt, this pair of tension device comprises the support that regularly arrange relative to the belt wheel rotating shaft of driving belt, be arranged on the regulator plate on support rotationally, Idle wheel on regulator plate is arranged on rotatably by the first back shaft, the outer Idle wheel on regulator plate is arranged on rotatably by the second back shaft, and one end is hinged to the elasticity pre-tightening mechanism of regulator plate, wherein, interior Idle wheel and the spaced apart certain distance of outer Idle wheel, elasticity pre-tightening mechanism can regulate regulator plate relative to the angle of swing of support, further, interior Idle wheel is the grooved wheel on the surface with inner groovy, grooved wheel is used for chimeric with driving belt.
Two tension device for driving belt according to the present invention are achieved by the tension device with two Idle wheels and obtain larger tension force with less adjustment stroke, this reduces the space occupied by belt transmission system, to form the transmission system of compact structure by being conducive to.In addition, can be entrenched togather with multi-joint belt by grooved wheel, thus prevent driving belt in the course of the work from jumping band, to guarantee the operational stability of belt transmission system from belt wheel.
According to a preferred embodiment of the two tension device for driving belt of the present invention, the outer periphery of outer Idle wheel are provided with along the outwardly boss of the radial direction of outer Idle wheel, boss prevents driving belt from deviating from from outer Idle wheel.
From the inner side and outer side of driving belt, driving belt is limited respectively by the boss in the outer periphery of the inner groovy on the surface of interior Idle wheel and outer Idle wheel, therefore, it is possible to guarantee that driving belt can not be jumped band from belt wheel or deviate from more safely, thus ensure that the safe handling of belt transmission system, improve the operating efficiency of belt transmission system.
In another preferred embodiment of the two tension device for driving belt according to the present invention, elasticity pre-tightening mechanism comprise be hinged to regulator plate pull bar, be nested with outside at pull bar and the tubular axis fixed relative to support, be arranged on pressure pad on the outer wall of tubular axis regularly, be nested with outside at tubular axis and end is resisted against spring on pressure pad and the nut of screw-thread fit in the end of pull bar, spring is clamped between pressure pad and nut.
According to another preferred embodiment of the two tension device for driving belt of the present invention, regulator plate is arranged on support by axis of rotation.
In another preferred embodiment of the two tension device for driving belt according to the present invention, rotating shaft comprises the fulcrum be arranged on regularly on support, be nested with outside at fulcrum and the sleeve that be permanently connected relative to regulator plate and the bearing shell be arranged on rotatably between fulcrum and sleeve.
According to an also preferred embodiment of the two tension device for driving belt of the present invention, be provided with the grease channel leading to bearing shell in the inside of fulcrum.
The present invention also provides a kind of belt transmission system, the driving belt that this belt transmission system comprises driving pulley, driven pulley and is arranged between driving pulley and driven pulley, further, any one two tension device as above is also comprised according to belt transmission system of the present invention.
Belt transmission system according to the present invention is owing to adopting two tension device as above, therefore it can realize the larger pretightening force of driving belt by the small stroke of the elasticity pre-tightening mechanism of two tension device, therefore two tension device can be made to occupy less space, thus make belt transmission system can have structure closely.In addition, by in the outer periphery of interior Idle wheel being arranged to grooved wheel and/or Idle wheel outside, the jumping band problem that boss carrys out mode driving belt is set, thus make belt transmission system according to the present invention have stability more reliably, and it is made to run more steadily and safety.
Accompanying drawing explanation
By the embodiment part provided referring to accompanying drawing, the features and advantages of the present invention will become easier to understand, in the accompanying drawings:
Fig. 1 is the three-dimensional view according to the two tension device for driving belt of the present invention.
Fig. 2-1 is the plan view of the elasticity pre-tightening mechanism according to the two tension device for driving belt of the present invention.
Fig. 2-2 is three-dimensional views of the pull bar of elasticity pre-tightening mechanism according to of the present invention pair of tension device.
Fig. 2-3 is three-dimensional views of the tubular axis of elasticity pre-tightening mechanism according to of the present invention pair of tension device.
Fig. 2-4 is three-dimensional views of the pressure pad of elasticity pre-tightening mechanism according to of the present invention pair of tension device.
Fig. 3 is the sectional view of the rotating shaft according to of the present invention pair of tension device.
Fig. 4 is the schematic diagram according to belt transmission system of the present invention.
Embodiment
With reference to the accompanying drawings illustrative embodiments of the present invention is described in detail.Be only for demonstration object to the description of illustrative embodiments, and be never the restriction to the present invention and application or usage.
The present invention proposes a kind ofly to guarantee when the tension force of driving belt that driving belt is bearing the tension device compared with there is not to jump zoning during strong vibration when regulating with less adjustment stroke.As shown in Figure 1, illustrate according to the two tension device 10 for driving belt of the present invention.Two tension device 10 for driving belt according to the present invention comprise support 12, be arranged on regulator plate 14 on support 12 rotationally, to provide in tension Idle wheel 16 and outer Idle wheel 18 for driving belt and internally Idle wheel 16 and outer Idle wheel 18 carry out regulating to regulate the elasticity pre-tightening mechanism 40 of the tension force of driving belt.At this, support 12 is relative with the belt wheel rotating shaft of driving belt to be arranged regularly, and that is, the belt wheel rotating shaft of support 12 and driving belt can be fixed in the frame of belt transmission system.
Further, interior Idle wheel 16 is arranged on regulator plate 14 by the first back shaft 162 rotatably, outer Idle wheel 18 is arranged on regulator plate 14 by the second back shaft 182 rotatably, and interior Idle wheel 16 and the spaced apart certain distance of outer Idle wheel 18, namely keep certain distance between the two.At this, spacing between interior Idle wheel 16 and outer Idle wheel 18 can be determined according to the length of driving belt, such as when the length of driving belt is longer, what the spacing between interior Idle wheel 16 and outer Idle wheel 18 can be arranged is larger, and when the length of driving belt is shorter, what the spacing between interior Idle wheel 16 and outer Idle wheel 18 can be arranged is less.One end of elasticity pre-tightening mechanism 40 is hinged to regulator plate 14, and regulator plate 14 can be regulated relative to the angle of swing of support 12.Like this, the angle of swing of regulator plate 14 can be regulated by elasticity pre-tightening mechanism 40, thus correspondingly regulate the interior Idle wheel 16 and outer Idle wheel 18 that are arranged on regulator plate 14 relative to the rotation angle of driving belt, regulate the tensioning degree of driving belt thus.Can realize obtaining larger tension force with less adjustment stroke by the tension device with two Idle wheels, this is also conducive to reducing the space occupied by belt transmission system, to form the transmission system of compact structure.
According to of the present invention for Idle wheel 16 in two tension device 10 of driving belt be have on the surface inner groovy 164 grooved wheel, this grooved wheel be used for chimeric with driving belt.This grooved wheel can be entrenched togather with multi-joint belt, thus prevents driving belt in the course of the work from jumping band from belt wheel.Certainly, the structure of the driving belt that the structure of the inner groovy 164 of grooved wheel and quantity can adopt according to belt transmission system is determined, to be entrenched in rightly by driving belt in the inner groovy 164 of grooved wheel.
Further, the outer periphery of the outer Idle wheel 18 of the two tension device 10 for driving belt according to the present invention are provided with along the outwardly boss 184 of the radial direction of outer Idle wheel 18, boss 184 can be used to prevent driving belt from deviating from from outer Idle wheel 18.Due to outer Idle wheel 18 usually with the contact outside of driving belt, and the outside of driving belt is typically provided to the form of flat rubber belting, therefore, it is possible to prevent from driving belt to jump from outer Idle wheel 18 being with by the outer periphery of Idle wheel 18 outside being arranged boss 184.In addition, from the inner side and outer side of driving belt, driving belt is limited respectively by the boss 184 in the outer periphery of the inner groovy 164 on the surface of interior Idle wheel 16 and outer Idle wheel 18, therefore, it is possible to guarantee that driving belt can not be jumped band from belt wheel or deviate from more safely, thus ensure that the safe handling of belt transmission system, improve the operating efficiency of belt transmission system.
Be described in detail to the structure of the elasticity pre-tightening mechanism 40 of the two tension device 10 for driving belt according to the present invention referring to accompanying drawing 2-1 to accompanying drawing 2-4, wherein, Fig. 2-1 is the sectional view intercepted along the line B-B in Fig. 1.According to the elasticity pre-tightening mechanism 40 of of the present invention pair of tension device 10 comprise be hinged to regulator plate 14 pull bar 42, be nested with in the outside of pull bar 42 and the tubular axis 44 fixing relative to support 12, the pressure pad 46 be arranged on regularly on the outer wall of tubular axis 44, be nested with in the outside of tubular axis 44 and end is resisted against spring 48 on pressure pad 46 and the nut 49 of screw-thread fit in the end of pull bar 42, spring 48 is clamped between pressure pad 46 and nut 49.When nut 49 screws on pull bar 42, nut 49 extrusion spring 48, under the effect of the elastic force of spring 48, pull bar 42 is pulled by direction downward in figure, 42, pull bar pulls one end of regulator plate 14 by hinging shaft, regulator plate 14 is rotated around rotating shaft 30, and in driving thus, Idle wheel 16 rotates together with first direction with outer Idle wheel 18, thus provides tension force for driving belt.
Similarly, if tension force is excessive, loosening nut 49 can be passed through, spring 48 is extended, pull bar 42 is promoted by direction upwards in figure, and 42, the pull bar moved upward promotes one end of regulator plate 14 by hinging shaft, and regulator plate 14 is rotated around rotating shaft 30, in driving thus, Idle wheel 16 rotates together with the second direction contrary with first direction with outer Idle wheel 18, thus the tension force in driving belt is reduced.
According to of the present invention in two tension device 10 of driving belt, regulator plate 14 is arranged on support 12 rotationally by rotating shaft 30.Structure referring to accompanying drawing 3 countershaft 30 is described in detail, and Fig. 3 is the sectional view intercepted along the line A-A in Fig. 1.Rotating shaft 30 comprises the fulcrum 32 be arranged on regularly on support 12, is nested with in the outside of fulcrum 32 and the sleeve 34 that be permanently connected relative to regulator plate 14 and the bearing shell 36 be arranged on rotatably between fulcrum 32 and sleeve 34.By bearing shell 36, sleeve 34 can rotate relative to fulcrum 32, makes the regulator plate 14 that is fixed together with sleeve 34 can rotate relative to the support 12 be fixed together with fulcrum 32 thus.The rotation of regulator plate 14 then can the position of internally Idle wheel 16 and outer Idle wheel 18 regulate, thus makes driving belt tensioning or loosen.In addition, in order to provide lubrication to bearing shell 36, the grease channel 38 leading to bearing shell 36 is provided with in the inside of fulcrum 32.By the grease channel entrance being arranged on fulcrum 32 outside, lubricant oil can be injected in grease channel 38, thus make lubricant oil enter in bearing shell 36, for bearing shell 36 provides lubrication.
Further, the present invention also provides a kind of belt transmission system 100 comprising above-mentioned pair of tension device 10.As shown in Figure 4, the driving belt 106 that belt transmission system 100 according to the present invention comprises driving pulley 102, driven pulley 104 and is arranged between driving pulley 102 and driven pulley 104, driving belt 106 is provided with according to described above pair of tension device 10 of the present invention.
Belt transmission system according to the present invention is owing to adopting two tension device as above, therefore it can realize the larger pretightening force of driving belt by the small stroke of the elasticity pre-tightening mechanism of two tension device, therefore two tension device can be made to occupy less space, thus make belt transmission system can have structure closely.In addition, by in the outer periphery of interior Idle wheel being arranged to grooved wheel and/or Idle wheel outside, the jumping band problem that boss carrys out mode driving belt is set, thus make belt transmission system according to the present invention have stability more reliably, and it is more steady to make it run.
Although with reference to illustrative embodiments, invention has been described, but be to be understood that, the present invention is not limited in literary composition the embodiment described in detail and illustrate, when not departing from claims limited range, those skilled in the art can make various improvement or modification to described illustrative embodiments.
Claims (7)
1. one kind for two tension device (10) of driving belt, comprising:
Support (12), described support (12) is relative with the belt wheel rotating shaft of described driving belt to be arranged regularly;
Regulator plate (14), described regulator plate (14) is arranged on described support (12) rotationally;
Interior Idle wheel (16), described interior Idle wheel (16) is arranged on described regulator plate (14) by the first back shaft (162) rotatably;
Outer Idle wheel (18), described outer Idle wheel (18) is arranged on described regulator plate (14) by the second back shaft (182) rotatably, described interior Idle wheel (16) and the spaced apart certain distance of described outer Idle wheel (18); And
Elasticity pre-tightening mechanism (40), one end of described elasticity pre-tightening mechanism (40) is hinged to described regulator plate (14), and described regulator plate (14) can be regulated relative to the angle of swing of described support (12)
It is characterized in that, described interior Idle wheel (16) is the grooved wheel on the surface with inner groovy (164), and described grooved wheel is used for chimeric with driving belt.
2. the two tension device (10) for driving belt according to claim 1, wherein, the outer periphery of described outer Idle wheel (18) are provided with along the outwardly boss (184) of the radial direction of described outer Idle wheel (18), described boss (184) prevents driving belt from deviating from from described outer Idle wheel (18).
3. the two tension device (10) for driving belt according to claim 1, wherein, described elasticity pre-tightening mechanism (40) comprises the pull bar (42) being hinged to described regulator plate (14), be nested with in the outside of described pull bar (42) and the tubular axis (44) fixing relative to described support (12), be arranged on the pressure pad (46) on the outer wall of described tubular axis (44) regularly, to be nested with in the outside of described tubular axis (44) and end is resisted against spring (48) on described pressure pad (46) and the nut (49) of screw-thread fit in the end of described pull bar (42), described spring (48) is clamped between described pressure pad (46) and described nut (49).
4. the two tension device (10) for driving belt according to claim 1, wherein, regulator plate (14) is arranged on described support (12) rotationally by rotating shaft (30).
5. the two tension device (10) for driving belt according to claim 4, wherein, described rotating shaft (30) comprises the fulcrum (32) be arranged on regularly on described support (12), is nested with in the outside of described fulcrum (32) and the sleeve (34) that be permanently connected relative to described regulator plate (14) and the bearing shell (36) be arranged on rotatably between described fulcrum (32) and described sleeve (34).
6. the two tension device (10) for driving belt according to claim 5, wherein, are provided with the grease channel (38) leading to described bearing shell (36) in the inside of described fulcrum (32).
7. a belt transmission system (100), comprising:
Driving pulley (102),
Driven pulley (104), and
Be arranged on the driving belt (106) between described driving pulley (102) and described driven pulley (104),
It is characterized in that, described belt transmission system (10) comprises the two tension device (10) according to any one in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691306.0A CN105179620A (en) | 2015-10-22 | 2015-10-22 | Double tension device used for driving belt and corresponding belt driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691306.0A CN105179620A (en) | 2015-10-22 | 2015-10-22 | Double tension device used for driving belt and corresponding belt driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179620A true CN105179620A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510691306.0A Pending CN105179620A (en) | 2015-10-22 | 2015-10-22 | Double tension device used for driving belt and corresponding belt driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105179620A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797437A (en) * | 2016-05-16 | 2016-07-27 | 安徽科信伟德机电产品设计有限公司 | Defoaming machine transmission part tension adjustment module |
| CN107044516A (en) * | 2017-03-06 | 2017-08-15 | 沃得重工(中国)有限公司 | Harvester transmission belt tensioner |
| CN107517627A (en) * | 2017-06-27 | 2017-12-29 | 永新县山木子农产品有限公司 | A kind of follow-on seeder that loosens the soil |
| CN108223725A (en) * | 2018-01-18 | 2018-06-29 | 湖州精恒机械有限公司 | A kind of chain drive chain tension lubricating arrangement |
| CN115155984A (en) * | 2022-08-22 | 2022-10-11 | 中国船舶重工集团衡远科技有限公司 | Double-paste-bucket industrial plate coating machine |
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| WO2014191882A1 (en) * | 2013-05-30 | 2014-12-04 | Hutchinson | Assembly comprising a fixed support, pulleys, a belt and a belt tensioner |
| CN204553728U (en) * | 2015-03-31 | 2015-08-12 | 青岛华尊机械有限公司 | A kind of two tensioning mechanisms of belt |
| CN205078715U (en) * | 2015-10-22 | 2016-03-09 | 中联重机股份有限公司 | A take transmission system that is used for two overspeed device tensioner of drive belt and corresponding |
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2015
- 2015-10-22 CN CN201510691306.0A patent/CN105179620A/en active Pending
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| US5769747A (en) * | 1996-09-05 | 1998-06-23 | Deere & Company | Belt tensioning mechanism with stop feature |
| CN2658485Y (en) * | 2003-11-24 | 2004-11-24 | 苏州市新奥电梯配件有限公司 | Self-lubricating chain |
| CN2665459Y (en) * | 2003-12-16 | 2004-12-22 | 中国科学院电工研究所 | Bi-directional chain-drive tensioning device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797437A (en) * | 2016-05-16 | 2016-07-27 | 安徽科信伟德机电产品设计有限公司 | Defoaming machine transmission part tension adjustment module |
| CN107044516A (en) * | 2017-03-06 | 2017-08-15 | 沃得重工(中国)有限公司 | Harvester transmission belt tensioner |
| CN107517627A (en) * | 2017-06-27 | 2017-12-29 | 永新县山木子农产品有限公司 | A kind of follow-on seeder that loosens the soil |
| CN108223725A (en) * | 2018-01-18 | 2018-06-29 | 湖州精恒机械有限公司 | A kind of chain drive chain tension lubricating arrangement |
| CN115155984A (en) * | 2022-08-22 | 2022-10-11 | 中国船舶重工集团衡远科技有限公司 | Double-paste-bucket industrial plate coating machine |
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Application publication date: 20151223 |