CN202270813U - Processing mechanism of support central tube of filter - Google Patents

Processing mechanism of support central tube of filter Download PDF

Info

Publication number
CN202270813U
CN202270813U CN2011203772918U CN201120377291U CN202270813U CN 202270813 U CN202270813 U CN 202270813U CN 2011203772918 U CN2011203772918 U CN 2011203772918U CN 201120377291 U CN201120377291 U CN 201120377291U CN 202270813 U CN202270813 U CN 202270813U
Authority
CN
China
Prior art keywords
seat
roller
platform
centre
guiding
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.)
Withdrawn - After Issue
Application number
CN2011203772918U
Other languages
Chinese (zh)
Inventor
钱永钰
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.)
ANHUI YONGYU FILTER Co Ltd
Original Assignee
ANHUI YONGYU FILTER 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 ANHUI YONGYU FILTER Co Ltd filed Critical ANHUI YONGYU FILTER Co Ltd
Priority to CN2011203772918U priority Critical patent/CN202270813U/en
Application granted granted Critical
Publication of CN202270813U publication Critical patent/CN202270813U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Filtering Materials (AREA)

Abstract

The utility model discloses a processing mechanism of a support central tube of a filter, which comprises a feeding mechanism and a punching mechanism, wherein the feeding mechanism conveys metal panels to the punching mechanism. A conical tension wheel for tensioning the metal panels is arranged in the feeding mechanism, a slight-contact switch is arranged in the punching mechanism, a cam is used for switching on the slight-contact switch so that the punching mechanism can timely convey the metal panels to a winding machine, and simultaneously a gear disc and a driving block meshed with each other are further used by the punching mechanism for guiding rollers to initiatively convey the metal panels to the winding machine. The processing mechanism of the support central tube of the filter can effectively solve the problem of deformation caused by overlarge torsion of the metal panels during producing of the support central tube of the filter, can ensure that the punched metal panels can be timely conveyed to the winding machine for winding and forming, further effectively solves the problem of deformation of the metal panels caused by the fact that the winding machine is not synchronized with a punching machine, saves cost of raw materials, improves production quality of the support central tube of the filter and also improves conveying efficiency of the metal panels.

Description

A kind of filter centre of support pipe organisation of working
Technical field
The utility model relates to filter process units field, is specially a kind of filter centre of support pipe organisation of working.
Background technology
Filter is indispensable a kind of device on the pumped (conveying) medium pipeline, and its effect is the impurity of eliminating in the medium of the filter of flowing through.Filter comprises case, supports filter screen through central support tube in the case, plays the filtration to medium through filter screen.The central support tube of filter is reeled by sheet metal and is formed, and sheet metal is wrapped in before processing on the vertical reel outer wall that is provided with of central shaft, add man-hour with vertical sheet metal be delivered to follow-up perforating device, coiler device is processed.Existing pay-off constitutes by being installed in reel on the erecting bed, regulating wheel etc.; When transferring metal sheet material, need need sheet metal to be in flat state but produce follow-up perforating device to the sheet metal tensioning; Therefore must apply certain torsion to sheet metal vertical sheet metal is reversed into the plane; Therefore the wheel tensioning need apply bigger torsion to sheet metal because sheet metal is tensioned, and is prone to cause sheet metal distortion to occur.And the sheet metal after the perforating device punching is when up-coiler is carried; Because perforating device is asynchronous with up-coiler work; Up-coiler can drop sheet metal with bigger drag force, is prone to cause the sheet metal distortion that is stretched, and then reduces the quality of production of filter center stay pipe.
The utility model content
The utility model purpose provides a kind of filter centre of support pipe organisation of working; Sheet metal when producing to solve prior art filter center stay pipe after the pay-off tensioning is applied in behind the torsion yielding, the asynchronous problem that causes the reduction of the central support tube quality of production of stamping machine and up-coiler.
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of filter centre of support pipe organisation of working comprises feed mechanism, perforating mechanism, and said feed mechanism is delivered to perforating mechanism with sheet metal; It is characterized in that: said feed mechanism includes erecting bed, is provided with motor in the erecting bed, is rotatablely equipped with on the erecting bed table top by motor-driven mounting disc; Said mounting disc center forms reel; Also be fixed with Connection Block on the said erecting bed table top, be slidingly fitted with a pair of connecting rod that stretches out from erecting bed in the Connection Block, and two connecting rod external parts are fixed with horizontally disposed holder jointly; The support bar vertical with respect to holder is installed on the said holder; Said support bar is equipped with the installing frame of rectangle on one's body towards erecting bed one side lever, and said installation circle face is parallel with support bar and that the circle face is installed is vertical with holder, is rotatablely equipped with regulating wheel in the installing frame; Said regulating wheel is respectively the bullet on plane for the two ends end face, and the regulating wheel central axis is parallel with support bar;
Said perforating mechanism comprises that two are installed on the footing respectively and symmetrically arranged side seat; Seat middle part, both sides is equipped with platform, and both sides are rotatablely equipped with back shaft between the seat top, and said back shaft two axial ends is passed the side seat respectively; And on the right axle head of back shaft motor-driven driving wheel is installed; On the axle head of a left side driven pulley is installed, off-centre is equipped with the punching press seat on the said back shaft, and said punching press seat bottom is connected with main shaft straight down; Wherein a side side seat rear portion is equipped with the electric control box of motor; Roller is rolled in the guiding that is fixed with Pressure Block on the said platform and is positioned at Pressure Block the place ahead, and the main shaft lower end of said punching press seat is connected with the punching seat that is suspended from the Pressure Block top, and said punching seat bottom is connected with a plurality of punching heads; Said side seat inwall forms guide-track groove respectively; Said punching seat sidewall also forms the projection that is slidingly mounted in the side seat guide-track groove, it is characterized in that: said platform right side sidepiece is equipped with the touch-switch in the electric control box power circuit that inserts motor, and platform right side sidepiece also is rotatablely equipped with wheel rim and replaces the cam on the touch-switch button; Be connected with the connecting rod parallel with the platform sidepiece on the said cam, said connecting rod front end is connected with horizontal in platform the place ahead and the gag lever post vertical with the platform sidepiece; Said table top is positioned at guiding and rolls roller left side and be provided with axle bed; The central rotating shaft that roller is rolled in said guiding extends through said axle bed left; And guiding is rolled the left axle head that the roller central rotating shaft passes axle bed fluted disc is installed; Off-centre is hinged with drive rod on the said driven pulley, and said drive rod lower end is connected with the drive block with flank of tooth, and said drive block rolls the fluted disc engagement of roller central rotating shaft through its flank of tooth and guiding.
Described a kind of filter centre of support pipe organisation of working, it is characterized in that: said support bar is installed on the holder through bolt, and screws togather on the bolt support bar is locked at the nut on the holder.
Described a kind of filter centre of support pipe organisation of working, it is characterized in that: the vertical edge of said installing frame one side is installed on the support bar through bolt, and screws togather on the bolt installing frame is locked at the nut on the support bar.
Described a kind of filter centre of support pipe organisation of working, it is characterized in that: said installing frame downside edge is rotatablely equipped with rotating disk, and said regulating wheel upper end planar ends is rotatably installed on the installing frame upside edge, and regulating wheel lower end planar ends is fixed on the rotating disk.
Described a kind of filter centre of support pipe organisation of working; It is characterized in that: said platform upper pressing seat the place ahead is symmetrically arranged with rolls roller side seat; Roller is rolled in said guiding has two; Two guidings are rolled roller and are rotatably installed in two respectively and roll between the roller side seat, and two guidings roll roller and go to upper and lower arrangement, and the central rotating shaft that roller is rolled in the guiding that wherein is positioned at the bottom extends through axle bed left and left axle head is equipped with fluted disc.
Described a kind of filter centre of support pipe organisation of working, it is characterized in that: said platform sidepiece also is provided with adjustable for height limited block, and said limited block is positioned under the connecting rod can hold connecting rod.
Pipe organisation of working in described a kind of filter centre of support is characterized in that: said guiding is rolled roller central rotating shaft left side and also is equipped with and is mutually symmetrical and is clamped in the outer fluted disc side plate of fluted disc, and the biside plate back is connected with the backboard of spacing drive block.
In the utility model feed mechanism, the mounting disc on the erecting bed drives reel and rotates under motor-driven, be wrapped in the sheet metal on the reel with output, and sheet metal at first passes through the regulating wheel tensioning.Regulating wheel is the bullet shape in the utility model; In to the sheet metal tensioning; Utilize the regulating wheel tapered side can make originally vertical sheet metal run-off the straight to the flat state transition; Sheet metal through the regulating wheel tensioning can be put to level easily, need not apply too big torsion.Regulating wheel is rotatably installed in the installing frame; And installing frame is installed on the support bar through bolt; Therefore can unclamp the nut that is screwed on the bolt when needed, to rotate adjustment installing frame angle, support bar also is installed on the holder through bolt; Therefore also can unclamp the nut that is screwed on this bolt when needed; To rotate the angle of adjustable support bar, holder is installed on the connecting rod, therefore can adjust distance between holder and the erecting bed through the slip of connecting rod in Connection Block as required.The regulating wheel lower surface is fixed on the rotating disk of installing frame downside edge, to realize the stable installation of regulating wheel, avoids regulating wheel to rock.
When the utility model utilized up-coiler asynchronous with stamping machine, up-coiler can be strained and raise this phenomenon of follow-up sheet metal, and horizontal gag lever post in platform the place ahead is set in platform the place ahead, and gag lever post is positioned at follow-up sheet metal top.When sheet metal is raised by the up-coiler tension, can promote gag lever post gag lever post is raised, and raising of gag lever post can be rotated by drivening rod like this; Thereby cam is rotated; When cam rotated, the wheel rim of cam was replaced the button of touch-switch, made the electric control box conducting of motor; And then make driving wheel, punching press seat get into duty automatically, so that in time carry the sheet metal after punching to up-coiler.
The utility model is installed in stamping machine on the back shaft; Back shaft is rotatably installed between the side seat; Axle head of back shaft is installed driving wheel, and driving wheel is by motor-driven, and the rotation through driving wheel is rotated the driven pulley of another axle head installation of back shaft thereupon like this.When driven pulley rotates; Eccentric hinged drive rod drives the drive block motion on the driven pulley; And the flank of tooth on the drive block through with the engagement of fluted disc, fluted disc is rotated, the rotation through fluted disc makes guiding roll the roller central rotating shaft to rotate then; And then make guiding roll roller to rotate, make and roll on the roller sheet metal of process from guiding and be guided and roll roller and initiatively carry to up-coiler.
The utility model can solve effectively that sheet metal in the filter centre of support pipe production process receives excessive torsion and the problem of being out of shape; Sheet metal after simultaneously can guaranteeing to punch is delivered to up-coiler in time and carries out coiling and molding; And then solved the problem that causes the sheet metal distortion owing to up-coiler is asynchronous with stamping machine effectively; Practice thrift cost of material, improved the quality of production of filter center stay pipe, also improved the transfer efficiency of sheet metal.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the utility model tensioning portion structural representation.
The specific embodiment
Like Fig. 1, shown in Figure 2.A kind of filter centre of support pipe organisation of working comprises feed mechanism, perforating mechanism, and feed mechanism is delivered to perforating mechanism with sheet metal; Feed mechanism includes erecting bed 1, is provided with motor in the erecting bed 1, is rotatablely equipped with on erecting bed 1 table top by motor-driven mounting disc 2; Mounting disc 2 centers form reel 3; Also be fixed with Connection Block 4 on erecting bed 1 table top, be slidingly fitted with a pair ofly from 1 connecting rod that stretches out 5 is installed in the Connection Block 4, and two connecting rod 5 external parts are fixed with horizontally disposed holder 6 jointly; The support bar 7 vertical with respect to holder 6 is installed on the holder 6; Support bar 7 is equipped with the installing frame 8 of rectangle on one's body towards erecting bed 1 one side levers, and installing frame 8 frame faces and support bar 7 are parallel and installing frame 8 frame faces are vertical with holder 6, are rotatablely equipped with regulating wheel 9 in the installing frame 8; Regulating wheel 9 is respectively the bullet on plane for the two ends end face, and regulating wheel 9 central axis are parallel with support bar 7;
Perforating mechanism comprises that two are installed on the footing 10 respectively and symmetrically arranged side seat 11; Seat 11 middle parts in both sides are equipped with platform 12, and the both sides seat is rotatablely equipped with back shaft 13 between 11 tops, and back shaft 13 two axial ends are passed side seat 11 respectively; And on the back shaft 13 right axle heads motor-driven driving wheel 14 is installed; On the axle head of a left side driven pulley 15 is installed, off-centre is equipped with punching press seat 16 on the back shaft 13, and punching press seat 16 bottoms are connected with main shaft 17 straight down; Wherein a side side seat rear portion is equipped with the electric control box 18 of motor; Roller 19 is rolled in the guiding that is fixed with Pressure Block on the platform 12 and is positioned at Pressure Block the place ahead, and main shaft 17 lower ends of punching press seat 16 are connected with the punching seat 20 that is suspended from the Pressure Block top, and punching seat 20 bottoms are connected with a plurality of punching heads 21; Side seat 11 inwalls form guide-track groove 22 respectively; Punching seat 20 sidewalls also form the projection 23 that is slidingly mounted in side seat 11 guide-track grooves 22, and platform 12 right side sidepieces are equipped with the touch-switch 24 in electric control box 18 power circuits that insert motor, and platform 12 right side sidepieces also are rotatablely equipped with wheel rim and replace the cam 26 on touch-switch 24 buttons 25; Be connected with the connecting rod 27 parallel with platform 12 sidepieces on the cam 26, connecting rod 27 front ends are connected with horizontal in platform 12 the place aheads and the gag lever post 28 vertical with platform 12 sidepieces; Platform 12 tops are positioned at guiding and roll roller 19 left sides and be provided with axle bed 42; The central rotating shaft 29 that roller is rolled in guiding extends through axle bed 42 left; And guiding is rolled the left axle head that roller central rotating shaft 29 passes axle bed 42 fluted disc 30 is installed; Off-centre is hinged with drive rod 31 on the driven pulley 15, and drive rod 31 lower ends are connected with the drive block 32 with flank of tooth, and drive block 32 rolls fluted disc 30 engagements of roller central rotating shaft 29 through its flank of tooth and guiding.
Support bar 7 is installed on the holder 6 through bolt 33, and screws togather on the bolt 33 support bar 7 is locked at the nut 34 on the holder 6.
The vertical edge of installing frame 8 one sides is installed on the support bar 7 through bolt 35, and 35 screws togather installing frame 8 is locked at the nut 36 on the support bar 7 on the bolt.
Installing frame 8 downside edges are rotatablely equipped with rotating disk 37, and regulating wheel 9 upper end planar ends are rotatably installed on the installing frame 8 upside edges, and regulating wheel 9 lower end planar ends are fixed on the rotating disk 37.
Platform 12 upper pressing seat the place aheads are symmetrically arranged with rolls roller side seat 38; Roller is rolled in guiding has two; Two guidings are rolled roller and are rotatably installed in two respectively and roll between the roller side seat 38; And two guidings are rolled roller and are gone to upper and lower arrangement, and the central rotating shaft 29 that roller is rolled in the guiding that wherein is positioned at the bottom extends through axle bed 42 left and left axle head is equipped with fluted disc 30.
Platform 12 sidepieces also are provided with adjustable for height limited block 39, and limited block 39 is positioned at connecting rod can hold connecting rod 27 27 times.
Guiding is rolled roller central rotating shaft 29 left sides and also is equipped with and is mutually symmetrical and is clamped in the outer fluted disc side plate 40 of fluted disc 30, and biside plate 40 backs are connected with the backboard 41 of spacing drive block 32.

Claims (7)

1. a filter centre of support pipe organisation of working comprises feed mechanism, perforating mechanism, and said feed mechanism is delivered to perforating mechanism with sheet metal; It is characterized in that: said feed mechanism includes erecting bed, is provided with motor in the erecting bed, is rotatablely equipped with on the erecting bed table top by motor-driven mounting disc; Said mounting disc center forms reel; Also be fixed with Connection Block on the said erecting bed table top, be slidingly fitted with a pair of connecting rod that stretches out from erecting bed in the Connection Block, and two connecting rod external parts are fixed with horizontally disposed holder jointly; The support bar vertical with respect to holder is installed on the said holder; Said support bar is equipped with the installing frame of rectangle on one's body towards erecting bed one side lever, and said installation circle face is parallel with support bar and that the circle face is installed is vertical with holder, is rotatablely equipped with regulating wheel in the installing frame; Said regulating wheel is respectively the bullet on plane for the two ends end face, and the regulating wheel central axis is parallel with support bar;
Said perforating mechanism comprises that two are installed on the footing respectively and symmetrically arranged side seat; Seat middle part, both sides is equipped with platform, and both sides are rotatablely equipped with back shaft between the seat top, and said back shaft two axial ends is passed the side seat respectively; And on the right axle head of back shaft motor-driven driving wheel is installed; On the axle head of a left side driven pulley is installed, off-centre is equipped with the punching press seat on the said back shaft, and said punching press seat bottom is connected with main shaft straight down; Wherein a side side seat rear portion is equipped with the electric control box of motor; Roller is rolled in the guiding that is fixed with Pressure Block on the said platform and is positioned at Pressure Block the place ahead, and the main shaft lower end of said punching press seat is connected with the punching seat that is suspended from the Pressure Block top, and said punching seat bottom is connected with a plurality of punching heads; Said side seat inwall forms guide-track groove respectively; Said punching seat sidewall also forms the projection that is slidingly mounted in the side seat guide-track groove, it is characterized in that: said platform right side sidepiece is equipped with the touch-switch in the electric control box power circuit that inserts motor, and platform right side sidepiece also is rotatablely equipped with wheel rim and replaces the cam on the touch-switch button; Be connected with the connecting rod parallel with the platform sidepiece on the said cam, said connecting rod front end is connected with horizontal in platform the place ahead and the gag lever post vertical with the platform sidepiece; Said table top is positioned at guiding and rolls roller left side and be provided with axle bed; The central rotating shaft that roller is rolled in said guiding extends through said axle bed left; And guiding is rolled the left axle head that the roller central rotating shaft passes axle bed fluted disc is installed; Off-centre is hinged with drive rod on the said driven pulley, and said drive rod lower end is connected with the drive block with flank of tooth, and said drive block rolls the fluted disc engagement of roller central rotating shaft through its flank of tooth and guiding.
2. a kind of filter according to claim 1 centre of support pipe organisation of working, it is characterized in that: said support bar is installed on the holder through bolt, and screws togather on the bolt support bar is locked at the nut on the holder.
3. a kind of filter according to claim 1 centre of support pipe organisation of working, it is characterized in that: the vertical edge of said installing frame one side is installed on the support bar through bolt, and screws togather on the bolt installing frame is locked at the nut on the support bar.
4. a kind of filter according to claim 1 centre of support pipe organisation of working; It is characterized in that: said installing frame downside edge is rotatablely equipped with rotating disk; Said regulating wheel upper end planar ends is rotatably installed on the installing frame upside edge, and regulating wheel lower end planar ends is fixed on the rotating disk.
5. a kind of filter according to claim 1 centre of support pipe organisation of working; It is characterized in that: said platform upper pressing seat the place ahead is symmetrically arranged with rolls roller side seat; Roller is rolled in said guiding has two; Two guidings are rolled roller and are rotatably installed in two respectively and roll between the roller side seat, and two guidings roll roller and go to upper and lower arrangement, and the central rotating shaft that roller is rolled in the guiding that wherein is positioned at the bottom extends through axle bed left and left axle head is equipped with fluted disc.
6. a kind of filter according to claim 1 centre of support pipe organisation of working, it is characterized in that: said platform sidepiece also is provided with adjustable for height limited block, and said limited block is positioned under the connecting rod can hold connecting rod.
7. a kind of filter according to claim 1 centre of support pipe organisation of working; It is characterized in that: said guiding is rolled roller central rotating shaft left side and also is equipped with and is mutually symmetrical and is clamped in the outer fluted disc side plate of fluted disc, and the biside plate back is connected with the backboard of spacing drive block.
CN2011203772918U 2011-09-28 2011-09-28 Processing mechanism of support central tube of filter Withdrawn - After Issue CN202270813U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203772918U CN202270813U (en) 2011-09-28 2011-09-28 Processing mechanism of support central tube of filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203772918U CN202270813U (en) 2011-09-28 2011-09-28 Processing mechanism of support central tube of filter

Publications (1)

Publication Number Publication Date
CN202270813U true CN202270813U (en) 2012-06-13

Family

ID=46191199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203772918U Withdrawn - After Issue CN202270813U (en) 2011-09-28 2011-09-28 Processing mechanism of support central tube of filter

Country Status (1)

Country Link
CN (1) CN202270813U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366779A (en) * 2011-09-28 2012-03-07 安徽永钰过滤器有限公司 Support central pipe processing mechanism for filter
CN108115926A (en) * 2017-12-17 2018-06-05 林欢 A kind of PVC pipe system of processing
CN112171260A (en) * 2020-08-26 2021-01-05 东莞启承自动化设备有限公司 Full-automatic precision filter assembling machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366779A (en) * 2011-09-28 2012-03-07 安徽永钰过滤器有限公司 Support central pipe processing mechanism for filter
CN102366779B (en) * 2011-09-28 2014-01-22 安徽永钰过滤器有限公司 Support central pipe processing mechanism for filter
CN108115926A (en) * 2017-12-17 2018-06-05 林欢 A kind of PVC pipe system of processing
CN108115926B (en) * 2017-12-17 2019-06-18 杭州圣昊管道有限公司 A kind of PVC pipe system of processing
CN112171260A (en) * 2020-08-26 2021-01-05 东莞启承自动化设备有限公司 Full-automatic precision filter assembling machine
CN112171260B (en) * 2020-08-26 2022-08-16 东莞启承自动化设备有限公司 Full-automatic precision filter assembling machine

Similar Documents

Publication Publication Date Title
CN202270813U (en) Processing mechanism of support central tube of filter
CN106364958B (en) A kind of Adjustable steel belt unreeling machine for changing efficiency high
CN207887685U (en) A kind of color steel former
CN102366779B (en) Support central pipe processing mechanism for filter
CN102366775B (en) Punching mechanism for central supporting tube sheet of filter
CN110641144A (en) Double-sided printing folding device for hand bag
CN202270816U (en) Plate perforation mechanism for support central tube of filter
CN202270817U (en) Punching mechanism for central support tube plate of filter
CN212948164U (en) Bidirectional die cutting indenting machine
CN216235047U (en) Coiled material unwinding mechanism
CN214211939U (en) Pressing device of metal belt processing die
CN202270814U (en) Punching structure for support central tube sheet material of filter
CN102366778B (en) Punching mechanism for central supporting tube sheet of filter
CN202052802U (en) Nine-roller flattener
CN109534057B (en) Transmission mechanism of foam back adhesive laminating machine
CN111215543B (en) Plate bending machine
CN102371302B (en) Punching structure for plate of support central pipe of filter
CN217528840U (en) Equipment for flanging throat hoop strap of worm gear and worm
CN202270812U (en) Panel feeding device for support central tube of filter
CN102366777A (en) Device for punching central supporting tube sheet material of filter
CN108004706A (en) A kind of easily controllable forming machine deflector roll adjusting mechanism
CN218557286U (en) Efficient silicon rubber product numerical control slitter
CN209738464U (en) License plate sticking film machine
CN208023256U (en) A kind of easily controllable forming machine deflector roll regulating mechanism
CN220052107U (en) Die cutting machine with laminating positioner

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120613

Effective date of abandoning: 20140122

RGAV Abandon patent right to avoid regrant