CN202447559U - Reinforcing steel bar tensioning device - Google Patents
Reinforcing steel bar tensioning device Download PDFInfo
- Publication number
- CN202447559U CN202447559U CN2012200074139U CN201220007413U CN202447559U CN 202447559 U CN202447559 U CN 202447559U CN 2012200074139 U CN2012200074139 U CN 2012200074139U CN 201220007413 U CN201220007413 U CN 201220007413U CN 202447559 U CN202447559 U CN 202447559U
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- expansion tightening
- tightening wheel
- fulcrum
- installing rack
- wheel
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Abstract
The utility model discloses a reinforcing steel bar tensioning device, which comprises a mounting frame (5), an angle adjusting mechanism, a pressing mechanism and at least one pair of tensioning wheels, wherein each pair of tensioning wheels is connected with the mounting frame (5), is vertically and correspondingly distributed and consists of an upper tensioning wheel and a lower tensioning wheel respectively; a reinforcing steel bar can be positioned between the upper tensioning wheel and the lower tensioning wheel; the upper tensioning wheel is connected with the pressing mechanism and the angle adjusting mechanism; the lower tensioning wheel is connected with the angle adjusting mechanism; and both the angle adjusting mechanism and the pressing mechanism are arranged on the mounting frame (5). After the structure is adopted, the respective axes of each pair of tensioning wheels deflect from respective supporting points through adjustment of the angle adjusting mechanism, so that the axes of each pair of tensioning wheels form an angle, and the direction of passage of the reinforcing steel bar is inconsistent with the rotation direction of the tensioning wheels, thereby producing certain friction force to the reinforcing steel bar; and thus, the reinforcing steel bar is equivalently straightened after passing through the device, and the dimensional deviation ratio of a welded truss is reduced.
Description
Technical field
The utility model machining equipment field specifically is a kind of truss reinforcing bar swelling device in when welding that is used for.
Background technology
Truss is a kind of one group of member that constitutes triangle or some leg-of-mutton combinations in a particular manner, and these truss are welded by reinforcing bar usually.In the prior art, before these reinforcing bars of welding, all can carry out alignment.But, the shortcoming below still existing:
1) owing to behind alignment process, also be easy to occur the bad situation of reinforcing bar alignment, like this, the truss that welding is come out still has dimensional discrepancy;
2) simultaneously, reinforcing bar does not receive the effect of pulling force when welding, because the effect of gravity, reinforcing bar can form the state of natural torsion, and is same, and the truss that welding is come out also has the deviation on the size.
The utility model content
The utility model technical problem to be solved is, provides a kind of reinforcing bar that makes when welding, to be in the state of stretching tensioner all the time, thereby there is the reinforcing bar swelling device of the deviation on the size in the truss of avoiding welding out.
For solving the problems of the technologies described above; The reinforcing bar swelling device that the utility model provides; It comprises installing rack, angle adjusting mechanism, hold-down mechanism and at least one pair of expansion tightening wheel; Said every pair of expansion tightening wheel all connects with installing rack and is corresponding distribution up and down, is respectively expansion tightening wheel and following expansion tightening wheel, and reinforcing bar can be between last expansion tightening wheel and following expansion tightening wheel; Last expansion tightening wheel is connected with angle adjusting mechanism with hold-down mechanism, and following expansion tightening wheel is connected with angle adjusting mechanism, and described angle adjusting mechanism and hold-down mechanism are installed on the installing rack.
Described expansion tightening wheel is two pairs, and promptly upper left expansion tightening wheel, upper right expansion tightening wheel, a left side be expansion tightening wheel and bottom right expansion tightening wheel down; This device also comprises revolver seat, middle wheel seat, right wheel seat, left fulcrum, middle fulcrum, right fulcrum, left guide cylinder, middle guide cylinder and right guide cylinder; The right ends of wheel seat in the middle of expansion tightening wheel and bottom right expansion tightening wheel are rotatably connected on respectively under the described left side, fulcrum in the middle of the bottom of middle wheel seat is fixedly connected with, middle fulcrum is rotatably assorted in middle guide cylinder; Described upper left expansion tightening wheel is rotatably connected on the right-hand member of revolver seat, and the bottom of revolver seat is fixedly connected with left fulcrum, and left fulcrum is rotatably assorted in left guide cylinder; Described upper right expansion tightening wheel is rotatably connected on the left end of right wheel seat, and the bottom of right wheel seat is fixedly connected with right fulcrum, and right fulcrum is rotatably assorted in right guide cylinder; Described left guide cylinder, middle guide cylinder and right guide cylinder all pass and are welded on the installing rack.
Described angle adjusting mechanism comprises back-up block, leading screw, nut sleeve, axle, axle sleeve, connecting plate, link gear and locking device; Described back-up block is rotatably connected on the installing rack, and leading screw is rotatably connected in the back-up block, and an end of leading screw is connected with the adjusting handgrip; The other end nut sleeve that has been threaded; The other end of nut sleeve is rotatably connected to axle, and axle sleeve is connected in the axle sleeve, and the other end of axle and an end of connecting plate are rotationally connected; The other end of connecting plate is fixedly connected with middle wheel seat, and the junction of leading screw and back-up block is locked by locking device; Described link gear is positioned at the below of installing rack, and left fulcrum, middle fulcrum and right fulcrum all are connected with link gear.
Described back-up block is rotatably connected on the installing rack and is meant, the bottom of back-up block is fixedly connected with locating shaft, and described locating shaft is rotatably connected in the installing rack and the lower end of locating shaft is connected with installing rack through collar.
The junction of described leading screw and back-up block is provided with stopping means, and this stopping means comprises two limited blocks, and described two limited blocks lay respectively at the symmetrical both sides of back-up block and all are fixedly connected with leading screw.
Described locking device comprises locking handgrip and lock-screw, and the upper end of lock-screw is fixedly connected with locking handgrip, and the lower end is threaded with back-up block, and the end of lock-screw and leading screw push against.
Described link gear comprises first sector gear, second sector gear, the 3rd sector gear and four fan-shaped gear; The described first sector gear close-fitting is in the lower end of left fulcrum; Second sector gear and the 3rd sector gear symmetry close-fitting are in the lower end of middle fulcrum; Four fan-shaped gear close-fitting is in the lower end of right fulcrum, and first sector gear and second sector gear mesh, four fan-shaped gear and the engagement of the 3rd sector gear.
Described hold-down mechanism comprises connecting axle, base plate, adjusting bolt, spring shim and nut; Described base plate is positioned at the below of installing rack; Described adjusting bolt is two and lays respectively at the right ends of installing rack; Each is regulated bolt and is threaded successively and is connected with nut thread behind installing rack, the base plate again, and described spring shim is socketed in regulates on the bolt also that an end and nut push against, and the other end and base plate push against; The quantity of described connecting axle is two, and wherein the lower end of the upper end of a connecting axle and left fulcrum is rotationally connected and simultaneously and the base plate close-fitting, the upper end of another root connecting axle is with the lower end of right fulcrum is rotationally connected and while and base plate close-fitting.
After adopting above structure, the utility model compared with prior art has the following advantages:
1) when the axis of every pair of expansion tightening wheel in this device is in parastate, reinforcing bar is not played the tensioner effect because of rotation separately; Through the adjusting of angle adjusting mechanism, every pair of expansion tightening wheel axis is separately deflected with separately the strong point, thereby make the axis angulation of every pair of expansion tightening wheel; The rotation direction of direction of passage and expansion tightening wheel that has also just produced reinforcing bar is inconsistent, thereby reinforcing bar has been produced certain friction, like this; Reinforcing bar because there have been other devices the front in pulling, needs certain friction to pass through under the effect of this device again through this swelling device the time; Therefore; Reinforcing bar just is being equivalent to reinforcing bar is carried out alignment through this device, like this, will reduce the dimensional discrepancy rate of welding the truss that comes out;
2) simultaneously, reinforcing bar also plays the effect of a support to reinforcing bar when the tensioner of this device of process, offset the gravity effect of reinforcing bar itself, has further guaranteed the accuracy of the truss size that welding is come out;
3) this device is provided with two pairs of expansion tightening wheels simultaneously, can disposablely pass through two reinforcing bars, has improved production efficiency greatly;
4) in addition,, can regulate the angle of every pair of expansion tightening wheel deflection, thereby regulate the friction size of expansion tightening wheel reinforcing bar through angle adjusting mechanism; Hold-down mechanism can be regulated the thrust between every pair of expansion tightening wheel, and the spring shim that is contained in below the base plate then can let irregular reinforcing bar be unlikely to be stuck through expansion tightening wheel smoothly.
Description of drawings
Fig. 1 is the structural representation of one of them angle of the utility model reinforcing bar swelling device.
Fig. 2 is the structural representation of another angle of the utility model reinforcing bar swelling device.
Fig. 3 is the structure for amplifying sketch map of hold-down mechanism junction in the utility model reinforcing bar swelling device.
Wherein: 1, regulate bolt; 2, revolver seat; 3, left fulcrum; 4, left guide cylinder; 5, installing rack; 6, expansion tightening wheel under the left side; 7, upper left expansion tightening wheel; 8, axle; 9, connecting plate; 10, middle wheel seat; 11, upper right expansion tightening wheel; 12, right wheel seat; 13, right fulcrum; 14, right guide cylinder; 15, locking handgrip; 16, lock-screw; 17, regulate handgrip; 18, base plate; 19, locating shaft; 20, connecting axle; 21, limited block; 22, back-up block; 23, leading screw; 24, bottom right expansion tightening wheel; 25, middle guide cylinder; 26, nut sleeve; 27, axle sleeve; 28, middle fulcrum; 29, first sector gear; 30, second sector gear; 31, the 3rd sector gear; 32, four fan-shaped gear; 33, spring shim; 34, nut.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done explanation in further detail.
Structural representation by the utility model reinforcing bar swelling device of Fig. 1～shown in Figure 3 can be known; It comprises installing rack 5, angle adjusting mechanism, hold-down mechanism and at least one pair of expansion tightening wheel; Said every pair of expansion tightening wheel all connects and is corresponding distribution up and down with installing rack 5; Be respectively expansion tightening wheel and following expansion tightening wheel, reinforcing bar can be between last expansion tightening wheel and following expansion tightening wheel.Last expansion tightening wheel is connected with angle adjusting mechanism with hold-down mechanism, and following expansion tightening wheel is connected with angle adjusting mechanism, and described angle adjusting mechanism and hold-down mechanism are installed on the installing rack 5.All lobed decorative pattern on the outer circumference surface of described each expansion tightening wheel.
In the present embodiment, described expansion tightening wheel is two pairs, and promptly upper left expansion tightening wheel 7, upper right expansion tightening wheel 11, a left side be expansion tightening wheel 6 and bottom right expansion tightening wheel 24 down.This device also comprises revolver seat 2, middle wheel seat 10, right wheel seat 12, left fulcrum 3, middle fulcrum 28, right fulcrum 13, left guide cylinder 4, middle guide cylinder 25 and right guide cylinder 14.The right ends of wheel seat 10 in the middle of expansion tightening wheel 7 is rotatably connected on respectively with bottom right expansion tightening wheel 24 under the described left side, fulcrum 28 in the middle of the bottom of middle wheel seat 10 is fixedly connected with, middle fulcrum 28 is rotatably assorted in middle guide cylinder 25.Described upper left expansion tightening wheel 7 is rotatably connected on the right-hand member of revolver seat 2, and the bottom of revolver seat 2 is fixedly connected with left fulcrum 3, and left fulcrum 3 is rotatably assorted in left guide cylinder 4.Described upper right expansion tightening wheel 11 is rotatably connected on the left end of right wheel seat 12, and the bottom of right wheel seat 12 is fixedly connected with right fulcrum 13, and right fulcrum 13 is rotatably assorted in right guide cylinder 14.Described left guide cylinder 4, middle guide cylinder 25 and right guide cylinder 14 all pass and are welded on the installing rack 5.
Described angle adjusting mechanism comprises back-up block 22, leading screw 23, nut sleeve 26, axle 8, axle sleeve 27, connecting plate 9, link gear and locking device; Described back-up block 22 is rotatably connected on the installing rack 5, and leading screw 23 is rotatably connected in the back-up block 22, and an end of leading screw 23 is connected with regulates handgrip 17; The other end nut sleeve 26 that has been threaded; The other end of nut sleeve 26 is rotatably connected to axle 8, and axle 8 is socketed in the axle sleeve 27, and the other end of axle 8 and an end of connecting plate 9 are rotationally connected; The other end of connecting plate 9 is fixedly connected with middle wheel seat 25, and leading screw 23 is locked by locking device with the junction of back-up block 22.Described link gear is positioned at the below of installing rack 5, and left fulcrum 3, middle fulcrum 28 and right fulcrum 13 all are connected with link gear.
Described back-up block 22 is rotatably connected on the installing rack 5 and is meant, the bottom of back-up block 22 is fixedly connected with locating shaft 19, and described locating shaft 19 is rotatably connected in the installing rack 5 and the lower end of locating shaft 19 is connected with installing rack 5 through collar.
Described leading screw 23 is provided with stopping means with the junction of back-up block 22, and this stopping means comprises two limited blocks 21, and described two limited blocks 21 lay respectively at the symmetrical both sides of back-up block 22 and all are fixedly connected with leading screw 23.
Described locking device comprises locking handgrip 15 and lock-screw 16, and the upper end of lock-screw 16 is fixedly connected with locking handgrip 15, and the lower end is threaded with back-up block 22, and the end of lock-screw 16 and leading screw 23 push against.
Described link gear comprises first sector gear 29, second sector gear 30, the 3rd sector gear 31 and four fan-shaped gear 32; Described first sector gear, 29 close-fittings are in the lower end of left fulcrum 3; Second sector gear 30 and the 3rd sector gear 31 symmetrical close-fittings are in the lower end of middle fulcrum 28; Four fan-shaped gear 32 close-fittings are in the lower end of right fulcrum 13, and first sector gear 29 and second sector gear 30 mesh, four fan- shaped gear 32 and 31 engagements of the 3rd sector gear.
Described hold-down mechanism comprises connecting axle 20, base plate 18, regulates bolt 1, spring shim 33 and nut 34; Described base plate 18 is positioned at the below of installing rack 5; Described adjusting bolt 1 is two and lays respectively at the right ends of installing rack 5; Each is regulated bolt 1 and is threaded successively and is threaded with nut 34 behind installing rack 5, the base plate 18 again, and described spring shim 33 is socketed in to be regulated on the bolt 1 and an end and nut 34 push against, and the other end and base plate 18 push against.The quantity of described connecting axle 20 is two, and wherein the lower end of the upper end of a connecting axle 20 and left fulcrum 3 is rotationally connected and while and base plate 18 close-fittings, and the lower end of the upper end of another root connecting axle 20 and right fulcrum 13 is rotationally connected and while and base plate 18 close-fittings.
The course of action of the utility model is following: when upper left expansion tightening wheel 7 and the left axis of expansion tightening wheel 6 down are in parastate; The axis of upper right expansion tightening wheel 11 and bottom right expansion tightening wheel 24 also is in parastate; Reinforcing bar pass between the expansion tightening wheel 6 or between upper right expansion tightening wheel 11 and the bottom right expansion tightening wheel 24 down from upper left expansion tightening wheel 7 and a left side do not have stressed; Therefore expansion tightening wheel to rotate, does not play the tensioner effect only.When handgrip 17 is regulated in turn; Leading screw 23 is rotated; Because receive the effect of the limited block 21 that is positioned at back-up block 22 left and right sides, nut sleeve 26 moves to back-up block 22 directions, through a series of rotations connecting plate 9 is rotated; Thereby wheel seat 10 rotations in the middle of making, expansion tightening wheel 6 rotates with bottom right expansion tightening wheel 24 simultaneously under the left side of middle like this wheel seat 10 right ends.Simultaneously; The engagement of engagement, the 3rd sector gear 31 and four fan-shaped gear 32 through first sector gear 29 and second sector gear 30 in the link gear; Left side fulcrum 3 rotates with right fulcrum 13 simultaneously, thereby forces upper left expansion tightening wheel 2 also to rotate with upper right expansion tightening wheel 11.Because the rotating fulcrum of each expansion tightening wheel is different; Therefore, upper left expansion tightening wheel 7 produces a deflection angle with the axis of left expansion tightening wheel 6 down, and the axis of simultaneously upper right expansion tightening wheel 11 and bottom right expansion tightening wheel 24 also produces a deflection angle; In other words; The rotation direction of each expansion tightening wheel is inconsistent, and when reinforcing bar through upper left expansion tightening wheel 7 and a left side down between the expansion tightening wheel 6 or upper right expansion tightening wheel 11 during with bottom right expansion tightening wheel 24, will receive the effect of friction and produce tensioner.The size of this friction will be decided by the anglec of rotation of regulating handgrip 17, and the anglec of rotation is big more, and friction is big more.
The utility model is not limited to above-described structure, and wherein the position limiting structure of leading screw and back-up block also can be only to adopt a limited block, and the inboard of regulating handgrip has the shaft shoulder; This limited block is positioned at the left side of back-up block; Regulate the right side that the inboard shaft shoulder of handgrip is positioned at back-up block, during assembling, will regulate handgrip earlier and insert in the back-up block; On leading screw, overlap upper limit position block again; Confirm behind the good position limited block to be welded on the leading screw, like this, utilize the limited block shaft shoulder inboard also can play spacing effect with regulating handgrip.
Above variation falls within the protection domain of the utility model.
Claims (9)
1. reinforcing bar swelling device; It is characterized in that: it comprises installing rack (5), angle adjusting mechanism, hold-down mechanism and at least one pair of expansion tightening wheel; Said every pair of expansion tightening wheel all connects and is corresponding distribution up and down with installing rack (5); Be respectively expansion tightening wheel and following expansion tightening wheel, reinforcing bar can be between last expansion tightening wheel and following expansion tightening wheel; Last expansion tightening wheel is connected with angle adjusting mechanism with hold-down mechanism, and following expansion tightening wheel is connected with angle adjusting mechanism, and described angle adjusting mechanism and hold-down mechanism are installed on the installing rack (5).
2. reinforcing bar swelling device according to claim 1 is characterized in that: described expansion tightening wheel is two pairs, and promptly upper left expansion tightening wheel (7), upper right expansion tightening wheel (11), a left side be expansion tightening wheel (6) and bottom right expansion tightening wheel (24) down; This device also comprises revolver seat (2), middle wheel seat (10), right wheel seat (12), left fulcrum (3), middle fulcrum (28), right fulcrum (13), left guide cylinder (4), middle guide cylinder (25) and right guide cylinder (14); The right ends of wheel seat (10) in the middle of expansion tightening wheel under the described left side (7) and bottom right expansion tightening wheel (24) are rotatably connected on respectively, fulcrum (28) in the middle of the bottom of middle wheel seat (10) is fixedly connected with, middle fulcrum (28) is rotatably assorted in middle guide cylinder (25); Described upper left expansion tightening wheel (7) is rotatably connected on the right-hand member of revolver seat (2), and the bottom of revolver seat (2) is fixedly connected with left fulcrum (3), and left fulcrum (3) is rotatably assorted in left guide cylinder (4); Described upper right expansion tightening wheel (11) is rotatably connected on the left end of right wheel seat (12), and the bottom of right wheel seat (12) is fixedly connected with right fulcrum (13), and right fulcrum (13) is rotatably assorted in right guide cylinder (14); Described left guide cylinder (4), middle guide cylinder (25) and right guide cylinder (14) all pass and are welded on the installing rack (5).
3. reinforcing bar swelling device according to claim 1 and 2; It is characterized in that: described angle adjusting mechanism comprises back-up block (22), leading screw (23), nut sleeve (26), axle (8), axle sleeve (27), connecting plate (9), link gear and locking device; Described back-up block (22) is rotatably connected on the installing rack (5), and leading screw (23) is rotatably connected in the back-up block (22), and an end of leading screw (23) is connected with regulates handgrip (17); The other end nut sleeve (26) that has been threaded; The other end of nut sleeve (26) is rotatably connected to axle (8), and axle (8) is socketed in the axle sleeve (27), and the other end of axle (8) and an end of connecting plate (9) are rotationally connected; The other end of connecting plate (9) is fixedly connected with middle wheel seat (25), and leading screw (23) is locked by locking device with the junction of back-up block (22); Described link gear is positioned at the below of installing rack (5), and left fulcrum (3), middle fulcrum (28) and right fulcrum (13) all are connected with link gear.
4. reinforcing bar swelling device according to claim 3; It is characterized in that: described back-up block (22) is rotatably connected on the installing rack (5) and is meant; The bottom of back-up block (22) is fixedly connected with locating shaft (19), and described locating shaft (19) is rotatably connected in the installing rack (5) and the lower end of locating shaft (19) is connected with installing rack (5) through collar.
5. reinforcing bar swelling device according to claim 3; It is characterized in that: described leading screw (23) is provided with stopping means with the junction of back-up block (22); This stopping means comprises two limited blocks (21), and described two limited blocks (21) lay respectively at the symmetrical both sides of back-up block (22) and all are fixedly connected with leading screw (23).
6. reinforcing bar swelling device according to claim 3; It is characterized in that: described locking device comprises locking handgrip (15) and lock-screw (16); The upper end of lock-screw (16) is fixedly connected with locking handgrip (15); The lower end is threaded with back-up block (22), and the end of lock-screw (16) and leading screw (23) push against.
7. reinforcing bar swelling device according to claim 3; It is characterized in that: described link gear comprises first sector gear (29), second sector gear (30), the 3rd sector gear (31) and four fan-shaped gear (32); Described first sector gear (29) close-fitting is in the lower end of left fulcrum (3); Second sector gear (30) and the symmetrical close-fitting of the 3rd sector gear (31) are in the lower end of middle fulcrum (28); Four fan-shaped gear (32) close-fitting is in the lower end of right fulcrum (13), and first sector gear (29) meshes with the 3rd sector gear (31) with second sector gear (30) engagement, four fan-shaped gear (32).
8. reinforcing bar swelling device according to claim 1; It is characterized in that: described hold-down mechanism comprises connecting axle (20), base plate (18), regulates bolt (1), spring shim (33) and nut (34); Described base plate (18) is positioned at the below of installing rack (5); Described adjusting bolt (1) is two and lays respectively at the right ends of installing rack (5); Each is regulated bolt (1) and is threaded successively and is threaded with nut (34) behind installing rack (5), the base plate (18) again, and described spring shim (33) is socketed in regulates that bolt (1) is gone up and an end and nut (34) push against, and the other end and base plate (18) push against; The quantity of described connecting axle (20) is two; Wherein the lower end of the upper end of a connecting axle (20) and left fulcrum (3) is rotationally connected and while and base plate (18) close-fitting, and the lower end of the upper end of another root connecting axle (20) and right fulcrum (13) is rotationally connected and while and base plate (18) close-fitting.
9. reinforcing bar swelling device according to claim 1 is characterized in that: all lobed decorative pattern on the outer circumference surface of described each expansion tightening wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200074139U CN202447559U (en) | 2012-01-09 | 2012-01-09 | Reinforcing steel bar tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200074139U CN202447559U (en) | 2012-01-09 | 2012-01-09 | Reinforcing steel bar tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447559U true CN202447559U (en) | 2012-09-26 |
Family
ID=46863454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200074139U Expired - Fee Related CN202447559U (en) | 2012-01-09 | 2012-01-09 | Reinforcing steel bar tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345319A (en) * | 2015-12-22 | 2016-02-24 | 武汉汉光钢品建设工程有限公司 | Automatic steel bar formwork truss production line |
-
2012
- 2012-01-09 CN CN2012200074139U patent/CN202447559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345319A (en) * | 2015-12-22 | 2016-02-24 | 武汉汉光钢品建设工程有限公司 | Automatic steel bar formwork truss production line |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140109 |