CN103641028A - Lifting carrier roller device for tension straightener - Google Patents

Lifting carrier roller device for tension straightener Download PDF

Info

Publication number
CN103641028A
CN103641028A CN201310646758.8A CN201310646758A CN103641028A CN 103641028 A CN103641028 A CN 103641028A CN 201310646758 A CN201310646758 A CN 201310646758A CN 103641028 A CN103641028 A CN 103641028A
Authority
CN
China
Prior art keywords
lifting
connecting rod
carrier roller
roller device
support
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
Application number
CN201310646758.8A
Other languages
Chinese (zh)
Inventor
魏征宇
葛文中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Heavy Industry Co Ltd
Original Assignee
Taiyuan Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taiyuan Heavy Industry Co Ltd filed Critical Taiyuan Heavy Industry Co Ltd
Priority to CN201310646758.8A priority Critical patent/CN103641028A/en
Publication of CN103641028A publication Critical patent/CN103641028A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Rolls And Other Rotary Bodies (AREA)

Abstract

The invention provides a lifting carrier roller device for a tension straightener. The lifting carrier roller device for the tension straightener comprises a base body, a lifting support, a lifting cylinder and a foldable connecting rod structure arranged between the base body and the lifting support, wherein the extension and retraction of the lifting cylinder drives the connecting rod structure to rise and fall and further drives the lifting supporting to rise and fall. The device further comprises a supporting mechanism, wherein the supporting mechanism is mounted on the lifting support in a detachable mode and can support an object to be supported in a limiting mode. The lifting carrier roller device for the tension straightener can limit the object to be support and prevent the object from swinging, so that rising and falling of products are stable. The lifting carrier roller device used for the tension straightener can be suitable for products with different specifications (different shapes of cross sections and different lengths), and then the adaptability of the device is improved.

Description

A kind of lifting carrier roller device for tension flattening machine
Technical field
The present invention relates to a kind of auxiliary device for tension flattening machine, particularly a kind of lifting carrier roller device.
Background technology
Tension flattening machine is by clamp, to clamp the two ends of goods, along the length direction stretching of goods, it is aligned.Need to realize the lifting of goods, to be combined with clamp or to depart from.Therefore, need a kind of auxiliary device of tension flattening machine, to complete the lifting action of goods, and this device can improve the stability of support, adapts to the goods of various different sizes (cross sectional shape is different with length).
Summary of the invention
The present invention will provide a kind of lifting carrier roller device for tension flattening machine, and to complete the lifting action of goods, and this device can adapt to the goods of various different sizes (cross sectional shape is different with length).
The invention provides a kind of lifting carrier roller device for tension flattening machine, it comprises: seat, lifting support, lifting support, load lifting cylinder and be located at pedestal and lifting support between and folding connecting rod mechanism, this connecting rod mechanism lifting of the flexible drive of this load lifting cylinder, thereby drive this lifting support lifting, wherein, also comprise supporting device, this supporting device detouchable is installed on lifting support, and can support supported object spacingly.
In sum, lifting carrier roller device for tension flattening machine of the present invention not only can complete the lifting action of goods, with tension of engagement straightener, goods are aligned, and can be spacing to supported goods, prevent that it from rocking, make product lifting process stable, can also adapt to the goods of different size (cross sectional shape is different with length), improve comformability of the present invention.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of the lifting carrier roller device for tension flattening machine of the present invention, and this installs in rise state;
Fig. 2 a is the front view of the first connecting rod of lifting carrier roller device;
Fig. 2 b is the birds-eye view of the first connecting rod of lifting carrier roller device;
Fig. 3 a is the front view of the 4th connecting rod of lifting carrier roller device;
Fig. 3 b is the birds-eye view of the 4th connecting rod of lifting carrier roller device;
Fig. 4 is the A-A cutaway view of Fig. 1;
Fig. 5 is the B-B cutaway view of Fig. 1;
Fig. 6 is that the F of Fig. 5 is to view;
Fig. 7 is the C-C cutaway view of Fig. 1;
Fig. 8 is that the E of Fig. 1 is to view;
Fig. 9 is that the F of Fig. 1 is to view;
Figure 10 is the constructional drawing of the lifting carrier roller device for tension flattening machine of the present invention, and this installs in full state;
Figure 11 is the birds-eye view of lifting carrier roller device in Figure 10;
Figure 12 is the left view of lifting carrier roller device in Figure 10; And
Figure 13 is the schematic diagram that many group lifting carrier roller devices are combined use.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
Lifting carrier roller device for tension flattening machine of the present invention comprises: pedestal 10, connecting rod mechanism 20, lifting support 30, load lifting cylinder 40 and supporting device 50.
Pedestal 10 comprises six supporting legs 11 and bearing 12.Supporting leg 11 is by screw fastening on backing plate 13, and backing plate 13 is welded on basic embedded board, thus lifting carrier roller device is fixed.As shown in figure 12, bearing 12 comprises two parallel girders 121 and two parallel strength beams 122.In the present embodiment, each girder 121 is upper and lower two channel-section steels staggered relatively.As shown in Figure 7, two strength beam 122 vertical weldings are between girder 121.
Connecting rod mechanism 20 is folding between pedestal 10 and lifting support 30, and it comprises first connecting rod 21, second connecting rod 22, third connecting rod 23 and the 4th connecting rod 24.As shown in Figure 1, first connecting rod 21 and second connecting rod 22 are positioned at below, and third connecting rod 23 and the 4th connecting rod 24 are positioned at top.As shown in Fig. 2 a, 2b, first connecting rod 21 comprise pair of parallel first body of rod 211, be vertically connected at connection pipe 212 and cylinder body connecting portion 213 between first body of rod 211.The two ends of first body of rod 211 are respectively equipped with connecting bore 215 on one first time connecting bore 214 and one first, and middle part is provided with connecting bore 216 in first.The quantity of connection pipe 212 is two, is connected to the front and rear of first body of rod 211.The plate body that cylinder body connecting portion 213 is pair of parallel, its one end is connected in one of them connection pipe 212, and the other end is offered a pair of perforation 217, for the cylinder body 41 with load lifting cylinder 40, is connected, will be below to its description.As shown in Fig. 3 a, 3b, the 4th connecting rod 24 is similar with the structure of first connecting rod 21, difference is, in the 4th connecting rod 24, the spacing of a pair of the 4th body of rod 241 is less, and the 4th connecting rod 24 is provided with piston rod connecting portion 243, for being connected with the piston rod 45 of load lifting cylinder 40, will be below to its description.In addition, the structure of second connecting rod 22 and the 4th connecting rod 24 is similar, and difference is, because second connecting rod 22 does not need to be connected with load lifting cylinder, therefore cylinder body connecting portion or piston rod connecting portion are not set.Third connecting rod 23 is similar with the structure of first connecting rod 21, and difference is, because third connecting rod 23 does not need to be connected with load lifting cylinder yet, therefore cylinder body connecting portion or piston rod connecting portion are not set.
The present embodiment is to take four connecting rods as example describes, and should be appreciated that according to lift height requirement, also can increase a plurality of connecting rods.
Connecting rod mechanism 20 is mobilizable to be connected between pedestal 10 and lifting support 30, below by the annexation to them, and the action of connecting rod mechanism 20 describes.
Second connecting rod 22 is folded between a pair of first body of rod 211 of first connecting rod 21, and utilize bearing pin pass first connecting rod 21 first in connecting bore 216 and second connecting rod 22 second in connecting bore, make second connecting rod 22 and first connecting rod 21 hinged.
As shown in Fig. 1,4,12, bearing 12 is provided with two flanges 14, and bearing pin 15 is successively through first time connecting bore 214 of first connecting rod 21 and the hole on flange 14, and fixing with flange 14 by axle end baffle plate 16.Between bearing pin 15 and first connecting rod 21, axle sleeve 17 is installed, first connecting rod 21 can be rotated freely around bearing pin 15, and can end float misalignment.In like manner, the upper end of the 4th connecting rod 24 is connected with lifting support 30 pivotables.
As shown in Fig. 1,7, one end of bearing pin 18 is through second time connecting bore 224 of second connecting rod 22, and this end anchor shaft end-stopping plate 19.The other end of bearing pin 18 is installed bearing 25, in the present embodiment, two bearings 25 is set vertically, and spacer 26 is installed between two bearings 25.The outer ring fixed installation roller 27 of bearing 25, and can pass through snap ring backstop at the outer face of bearing 25, prevent bearing 25 play vertically.One end fixed installation baffle plate 19 ' of bearing 25.Locating part 28 is fixed on bearing 12 by the connecting panel 29 at two ends.When connecting rod mechanism 20 lifting, first connecting rod 21 is around bearing pin 15 pivotables, and slide on bearing 12 lower end of second connecting rod 22, that is, roller 27 slides between locating part 28 and bearing 12, and locating part 28 can prevent that roller 27 from leaving bearing 12.In like manner, lifting support 30 lower surfaces are also provided with locating part 28 ', and third connecting rod 23 slides between lifting support 30 and locating part 28 '.
Third connecting rod 23 and the 4th connecting rod 24 respectively with first connecting rod 21 and second connecting rod 22 in an identical manner pivotable be connected.As shown in Figure 5,6, bearing pin 231 is through second connecting rod 22 and third connecting rod 23, one axle sleeve 232 is installed respectively between second connecting rod 22 and third connecting rod 23 and bearing pin 231, baffle plate 233 is installed in bearing pin 231 one end, and at this end machining hole, mount pin 234, thus axially limiting first connecting rod 21 and second connecting rod 22, prevent its play.
As shown in Figure 8, the bottom of the cylinder body 41 of load lifting cylinder 40 has cylinder body hinge 411, and bearing pin 42, through cylinder body connecting portion 213 and the cylinder body hinge 411 of first connecting rod 21, makes cylinder body 41 and first connecting rod 21 hinged.Baffle plate 43 is installed in bearing pin 42 one end, the other end machining hole of bearing pin 42, and mount pin 44, avoids cylinder body end float misalignment.As shown in Figure 9, the top of piston rod 45 has piston hinge 451, and bearing pin 46, through piston rod connecting portion 243 and the piston hinge 451 of the 4th connecting rod 24, makes piston rod 45 and the 4th connecting rod 24 hinged.Baffle plate 48 is installed in one end of bearing pin 47, the other end machining hole of bearing pin 46, and mount pin 49, avoids piston rod 45 end float misalignments.
By stretching of piston rod 45,20 liftings of drivening rod mechanism.Preferably, also comprise lower limit portion 60.As shown in Figure 1, lower limit portion 60 comprises body 61 and top 62, and body 61 is welded on bearing 12, and corresponding to the first body of rod 211 belows, top 62 is bolt, and it is fixed on body 61 by nut lock, and the height of top 62 can pass through threaded adjusting.First connecting rod 11 is provided with the contact part corresponding with lower limit portion 60 63, and when connecting rod mechanism 20 drops to top 62 and supports with contact part 63, limiting rod mechanism 20 continues to decline, thereby limits the low level that connecting rod mechanism 20 declines.On the other hand, the high position that connecting rod mechanism 20 rises can be controlled by coder.
Supporting device 50 detouchables are installed on lifting support 30, for spacing ground bearing product, for the product of dissimilar specification, can select corresponding supporting device 50.As shown in Figure 1, product P is line, bar (cross section is for circular), and supporting device 50 comprises bracing frame 51 and backing roll 52.Bracing frame 51 is fixed on lifting support 30, and the bearing surface with forming V-shape, the two ends of backing roll 52 are arranged on the bearing surface of bracing frame 51 by bearing seat 53, cross section is that circular product P is while being positioned on backing roll 52, fall at least partly between the bearing surface of V-arrangement, spacing to it, prevent that it from rocking, product can slide on backing roll 52.
As Figure 10-Figure 12, product P is section bar (cross section or cross-sectional shape are square), and supporting device 50 comprises bracing frame 51, backing roll 52 and a pair of guide part 53.Bracing frame 51 is fixed on lifting support 30, being installed on bracing frame 51 of backing roll 52 levels.In the present embodiment, the two ends of backing roll 52 are supported by bearing seat 54, and bearing seat 53 is arranged on bracing frame 51.This is slightly larger than the width of product to the distance between guide part 53, when product slides on backing roll 52, product is limited at this between guide part 53, prevents product sideslip.In the present embodiment, guide part 53 comprises base 531 and guiding roller 532.Base 531 is fixed on lifting support 30, and guiding roller 532 is rotating to be installed on base 531, thereby sliding of the product that not only can lead prevents sideslip, and avoids and product collision, damages product.
As shown in figure 13, can combine and use a plurality of lifting carrier roller devices according to product length.First drive load lifting cylinder 40 to make product P rise to predetermined altitude, then the two ends of the clamp 1 product clamping P on both sides, carry out straightening operation, meanwhile, lifting carrier roller device declines, and completes after aligning, lifting carrier roller device rises again, hold up product, can drive product to slide on lifting carrier roller device by connecting gear, to arrive other stations.
In sum, lifting carrier roller device for tension flattening machine of the present invention not only can complete the lifting action of goods, with tension of engagement straightener, goods are aligned, and can adapt to the goods of different size (cross sectional shape is different with length), make product lifting process stable, improve comformability of the present invention.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (10)

1. the lifting carrier roller device for tension flattening machine, it comprises: pedestal (10), lifting support (30), lifting support (30), load lifting cylinder (40) and be located at pedestal (10) and lifting support (30) between and folding connecting rod mechanism (20), this connecting rod mechanism of flexible drive (20) lifting of this load lifting cylinder (40), thereby drive this lifting support (30) lifting, wherein, also comprise supporting device (50), it is upper that this supporting device (50) detouchable is installed on lifting support (30), and can support supported object spacingly.
2. lifting carrier roller device as claimed in claim 1, wherein, this supporting device (50) comprises bracing frame (51) and backing roll (52), this bracing frame (51) is fixed on this lifting support (30), this bracing frame (51) has the bearing surface of forming V-shape, this backing roll (52) is rotating to be arranged on this bearing surface, and parallel with this bearing surface.
3. lifting carrier roller device as claimed in claim 1, wherein, this supporting device (50) comprises bracing frame (51), backing roll (52) and a pair of guide part (53), this bracing frame (51) is fixed on lifting support (30), being installed on this bracing frame (51) of the rotatable and level of this backing roll (52), this is greater than the width of this product to the distance between guide part (53), this product can slide on this backing roll (52), and is limited at this between guide part (53).
4. lifting carrier roller device as claimed in claim 3, wherein, this guide part (53) comprises base (531) and guiding roller (532), and it is upper that this base (531) is fixed on this lifting support (30), and this guiding roller (532) is rotating to be installed on this base (531).
5. lifting carrier roller device as claimed in claim 1, wherein, this connecting rod mechanism (20) is positioned between pedestal (10) and lifting support (30), this connecting rod mechanism (20) comprises first connecting rod (21), second connecting rod (22), third connecting rod (23) and the 4th connecting rod (24), this first connecting rod (21) is articulated with this pedestal (10), and this third connecting rod (23) is articulated with this lifting support (30).
6. lifting carrier roller device as claimed in claim 5, wherein, the top of the piston rod (45) of this load lifting cylinder (40) has piston hinge (451), with hinged by bearing pin (46) and the 4th connecting rod (24).
7. lifting carrier roller device as claimed in claim 5, wherein, the bottom of the cylinder body (41) of this load lifting cylinder (40) has cylinder body hinge (411), with hinged by bearing pin (42) and this first connecting rod (21).
8. lifting carrier roller device as claimed in claim 5, wherein, the rotating installation roller in lower end (27) of this second connecting rod (22), this pedestal (10) fixed installation locating part (28), when this connecting rod mechanism (20) lifting, this roller (27) slides between this locating part (28) and pedestal (10).
9. lifting carrier roller device as claimed in claim 5, wherein, the rotating installation roller in upper end of this third connecting rod (23), this lifting support (30) fixed installation locating part (28 '), when this lifting support (30) lifting, this roller slides between this locating part (28 ') and lifting support (30).
10. the lifting carrier roller device as described in any one in claim 5-9, wherein, this lifting carrier roller device also comprises lower limit portion (60), this lower limit portion (60) comprises body (61) and top (62), this body (61) is welded on this pedestal (10), and corresponding to this first connecting rod (21) below, what this top (62) was Height Adjustable is arranged on this body (61), this first connecting rod (11) is provided with the contact part (63) corresponding with this lower limit portion (60), when this connecting rod mechanism (20) drops to this top (62) and contact part (63) and supports, this connecting rod mechanism (20) stops declining.
CN201310646758.8A 2013-12-04 2013-12-04 Lifting carrier roller device for tension straightener Pending CN103641028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310646758.8A CN103641028A (en) 2013-12-04 2013-12-04 Lifting carrier roller device for tension straightener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310646758.8A CN103641028A (en) 2013-12-04 2013-12-04 Lifting carrier roller device for tension straightener

Publications (1)

Publication Number Publication Date
CN103641028A true CN103641028A (en) 2014-03-19

Family

ID=50246366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310646758.8A Pending CN103641028A (en) 2013-12-04 2013-12-04 Lifting carrier roller device for tension straightener

Country Status (1)

Country Link
CN (1) CN103641028A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227563A (en) * 2014-09-16 2014-12-24 浙江德清龙立红旗制药机械有限公司 Grinding machine V-shaped frame mechanism
CN104492871A (en) * 2014-12-23 2015-04-08 温州久一重工有限公司 Tension straightener
CN105479432A (en) * 2015-12-25 2016-04-13 天津梅迪亚科技有限公司 Driving wheel device of inspection robot
CN105800504A (en) * 2016-04-15 2016-07-27 苏州康博特液压升降机械有限公司 Hydraulic type lifting operation platform provided with roller table
CN110153235A (en) * 2019-06-05 2019-08-23 太重(天津)滨海重型机械有限公司 For support roller device in the machine of tension flattening machine
CN111097950A (en) * 2019-12-17 2020-05-05 安徽国天节能科技有限公司 Plate shearing machine for processing curtain wall metal plate
CN112122412A (en) * 2020-08-07 2020-12-25 黄石麦斯特机械设备有限公司 Numerical control bending machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5670219A (en) * 1979-11-07 1981-06-12 Hitachi Ltd Table lifter
CN201400446Y (en) * 2009-05-07 2010-02-10 扬州巨业耐磨复合材料有限责任公司 Lift rail tractor with no power consumption
CN201574067U (en) * 2009-12-29 2010-09-08 中国神华能源股份有限公司 Rising apparatus
CN202414626U (en) * 2011-12-30 2012-09-05 深圳Tcl新技术有限公司 Inclined transporter for flat-panel display
CN202575306U (en) * 2012-04-24 2012-12-05 南京奥特电气有限公司 Bridging type lifting rotating pipeline supporting vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5670219A (en) * 1979-11-07 1981-06-12 Hitachi Ltd Table lifter
CN201400446Y (en) * 2009-05-07 2010-02-10 扬州巨业耐磨复合材料有限责任公司 Lift rail tractor with no power consumption
CN201574067U (en) * 2009-12-29 2010-09-08 中国神华能源股份有限公司 Rising apparatus
CN202414626U (en) * 2011-12-30 2012-09-05 深圳Tcl新技术有限公司 Inclined transporter for flat-panel display
CN202575306U (en) * 2012-04-24 2012-12-05 南京奥特电气有限公司 Bridging type lifting rotating pipeline supporting vehicle

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
王栋生,高红平: "剪叉式液压升降台的安全设计", 《权威》 *
赵明君,刘剑雄,常安民,李军: "剪叉式升降机受力分析及有限元仿真", 《新技术新工艺》 *
邓莉,刘剑雄,刘俊秀,刘阳,郭江波: "叉式丝束升降机的研发及有限元分析", 《机械与电子》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227563A (en) * 2014-09-16 2014-12-24 浙江德清龙立红旗制药机械有限公司 Grinding machine V-shaped frame mechanism
CN104227563B (en) * 2014-09-16 2017-03-08 浙江德清龙立红旗制药机械有限公司 Grinding machine V-type frame mechanism
CN104492871A (en) * 2014-12-23 2015-04-08 温州久一重工有限公司 Tension straightener
CN104492871B (en) * 2014-12-23 2016-09-07 温州久一重工有限公司 A kind of tension flattening machine
CN105479432A (en) * 2015-12-25 2016-04-13 天津梅迪亚科技有限公司 Driving wheel device of inspection robot
CN105800504A (en) * 2016-04-15 2016-07-27 苏州康博特液压升降机械有限公司 Hydraulic type lifting operation platform provided with roller table
CN105800504B (en) * 2016-04-15 2019-05-17 苏州康博特液压升降机械有限公司 A kind of roller-way hydraulic up-down job platform
CN110153235A (en) * 2019-06-05 2019-08-23 太重(天津)滨海重型机械有限公司 For support roller device in the machine of tension flattening machine
CN111097950A (en) * 2019-12-17 2020-05-05 安徽国天节能科技有限公司 Plate shearing machine for processing curtain wall metal plate
CN112122412A (en) * 2020-08-07 2020-12-25 黄石麦斯特机械设备有限公司 Numerical control bending machine

Similar Documents

Publication Publication Date Title
CN103641028A (en) Lifting carrier roller device for tension straightener
CN102086704B (en) Adjustable jack post
KR101107920B1 (en) Loading stand
CN110108508B (en) Bidirectional anti-torsion device for beam-column structure continuous collapse test
US9493327B2 (en) Portable lifting rig
US4895335A (en) Bottom adjusting load support
RU2009110174A (en) METHOD FOR MAKING BRIDGE (OPTIONS) AND BRIDGE
CN103867854A (en) Simple damping base of horizontal pump
KR101366483B1 (en) Supporting device for concrete beam form
EP2434073A1 (en) Adjustable mezzanine floor
EP3381858A1 (en) Kit for a temporary hoist
CN102322134A (en) Method for determining difference in bearing capacities of fastener-type full space support frame and full space scaffold
KR101794206B1 (en) Carriage for Bridge
CN203905429U (en) Scaffold for installation of steel structure
CN105058334A (en) Jack support capable of sliding horizontally and earthquake resistance static test system
CN104034547A (en) Support release device for simulating component failure in structural collapse test
CN210029677U (en) Elevator car bottom device
CN213038832U (en) Wall-attached guide support
KR102528237B1 (en) Length adjustable staging for LNG cargo tank
CN108100867B (en) Crane travelling mechanism carrying tool
CN110318531B (en) Operation platform in elevator shaft
JP7435501B2 (en) Steel plate positioning device, positioning method, and steel plate manufacturing method
JP6220583B2 (en) Temporary guardrail transporter
CN102182310B (en) Method for increasing horizontal restraint and improving and determining bearing capacity of supporting frame
CN108405640B (en) Stepping traversing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140319

WD01 Invention patent application deemed withdrawn after publication