CN103978776B - Screen process press automatic transmission - Google Patents
Screen process press automatic transmission Download PDFInfo
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- CN103978776B CN103978776B CN201410223082.6A CN201410223082A CN103978776B CN 103978776 B CN103978776 B CN 103978776B CN 201410223082 A CN201410223082 A CN 201410223082A CN 103978776 B CN103978776 B CN 103978776B
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Abstract
A kind of screen process press automatic transmission, comprising guide assembly and taking rail as the leading factor as track is the reciprocating motion of arc, and master slider moves back and forth the former dynamic component providing driving force along main guide rail, guide assembly comprises main guide rail, along the reciprocating master slider of main guide rail, stroke guide rail, stroke slider, gear, guide rail rack and slide tooth bar, master slider is connected to main guide rail slidably, main guide rail side is provided with guide rail rack, be connected to described master slider gear being rotatable, and engage with guide rail rack, stroke guide rail is fixedly connected on the side of master slider away from guide rail rack, stroke slider is connected to stroke guide rail slidably, and side is provided with and slides tooth bar, gear with slide tooth bar and engage, main guide rail and master slider are connected with former dynamic component respectively.So, under the prerequisite not taking larger space, obtain larger transmission stroke, and the kind of drive is stable, reliable, easy to maintenance, easy to manufacture, improves stability and the reliability of screen process press.
Description
Technical field
The present invention relates to screen printing apparatus technical field, particularly relate to a kind of screen process press automatic transmission.
Background technology
Screen process press is the common printing press for printing word and image, is generally made up of mechanisms such as inking, impression, transmission.Usually, first the writings and image of printing is made forme, forme is contained on screen process press, then ink is coated on by artificial or screen process press place forme having writings and image, be transferred to stock directly or indirectly again, thus copy for the identical printed matter of forme.
Screen process press automatic transmission mainly adopts crank rocker, sprocket wheel to drive the kind of drive such as chain and crank block transmission.The crank rocker kind of drive is limited to printing space and big swing angle transmission is unfit to do high-speed drive.Sprocket wheel drives chain transmission mode, and chain is shorter for service life, easily relaxes, and the not high printing precision that causes of printing positional accuracy is difficult to ensure.High, the former dynamic scantling of crank block kind of drive cost is large, stroke limiting system.Kind of drive stability and the reliability of above-mentioned three kinds of screen process press automatic transmissions are low, and stroke is little, all should not as major diameter screen process press automatic transmission mode.
Summary of the invention
Based on this, be necessary for screen process press automatic transmission mode stability and reliability low, the problem that stroke is little, provides a kind of screen process press automatic transmission.
A kind of screen process press automatic transmission, comprising:
Guide assembly, comprise main guide rail, along the reciprocating master slider of main guide rail, stroke guide rail, stroke slider, gear, guide rail rack and slide tooth bar, described master slider is connected to described main guide rail slidably, described main guide rail side is provided with described guide rail rack, be connected to described master slider described gear being rotatable, and engage with described guide rail rack, described stroke guide rail is fixedly connected on the side of described master slider away from described guide rail rack, described stroke slider is connected to described stroke guide rail slidably, and be positioned to be provided with towards the side of described main guide rail described in slide tooth bar, described gear engages with the described tooth bar that slides, and
For described main guide rail is the reciprocating motion of arc as track, and described master slider moves back and forth the former dynamic component providing driving force along described main guide rail, and described main guide rail and described master slider are connected with described former dynamic component respectively.
Wherein in an embodiment, described former dynamic component comprises former dynamic link assembly, hinge connecting rod and rocking bar, described hinge connecting rod one end is articulated with described former dynamic link assembly, the other end is articulated with described main guide rail, described rocking bar is articulated with described main guide rail, described former dynamic link assembly, hinge connecting rod and described rocking bar are revolute pair, and described former dynamic link assembly, hinge connecting rod and described rocking bar form double rocker mechanism.
Wherein in an embodiment, the dynamic component that described former dynamic link assembly comprises cam mechanism, cam follower lver and described cam follower lver is contacted with described cam mechanism higher pair, described dynamic component is articulated with described cam follower lver, described cam follower lver one end contacts with described cam mechanism higher pair, the other end is articulated with described hinge connecting rod, and described cam follower lver is revolute pair.
Wherein in an embodiment, described former dynamic component also comprises crank and connecting rod, and described crank one end is in transmission connection in the rotating shaft of described cam mechanism, and the other end is articulated with described connecting rod, described rod hinge connection is in described master slider, and described crank, connecting rod and described master slider form slider-crank mechanism.
Wherein in an embodiment, described dynamic component comprises cylinder, and the piston rod of described cylinder is articulated with described cam follower lver.
Wherein in an embodiment, described hinge connecting rod and described rocking bar are coaxially articulated with described main guide rail.
Wherein in an embodiment, also comprise support by the supporting plate of printed document, described supporting plate is fixedly connected on described stroke slider.
Wherein in an embodiment, also comprise for clamping by the clamp system of printed document, described clamp system multistation is arranged, corresponding with the position of described supporting plate, and the release of described clamp system and clamping cycle and described main guide rail reciprocating cycle match.
Above-mentioned screen process press automatic transmission, master slider moves back and forth along main guide rail, and crankmotion made by gear, slides tooth bar and is fixed on stroke slider, slide tooth bar opposed gear reciprocating, then stroke slider is reciprocating relative to the stroke guide rail being fixed on master slider.When master slider slides into head from the afterbody of main guide rail, the slide rail stroke of rail is taken in movement travel as the leading factor.Stroke guide rail is fixed on master slider, gear being rotatable be fixed on master slider, slide tooth bar and be fixed on stroke slider, master slider moves along main guide rail, pinion rotation drives and slides the motion of tooth bar opposed gear, then sliding tooth bar relative to the movement travel of gear is the product that gear rotating cycle is multiplied by gear compound graduation circumference, i.e. the slide rail stroke of main guide rail, then stroke slider is the slide rail stroke of main guide rail relative to stroke guide rail movement travel.Therefore, stroke slider takes the twice of rail slide rail stroke as the leading factor relative to the total kilometres of main guide rail initiating terminal.
So, screen process press automatic transmission.Under the prerequisite not taking larger space, obtain larger transmission stroke, be suitable for major diameter screen process press by the transmission of printed document, rack slide structure, stroke accuracy is high, is convenient to control, and the kind of drive is stable, reliable, easy to maintenance, easy to manufacture, improve stability and the reliability of screen process press.
Accompanying drawing explanation
Fig. 1 is the structural representation of screen process press automatic transmission.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, a kind of screen process press automatic transmission, comprises former dynamic component 110 and guide assembly 120.
Guide assembly 120 comprises main guide rail 122, along the reciprocating master slider 127 of main guide rail 122, stroke guide rail 126, stroke slider 128, gear 124, guide rail rack 123 with slide tooth bar 125.Master slider 127 is connected to main guide rail 122 slidably, main guide rail 122 side is provided with guide rail rack 123, gear 124 is connected to master slider 127 rotationally, and engage with guide rail rack 123, stroke guide rail 126 is fixedly connected on the side of master slider 127 away from guide rail rack 123, stroke slider 128 is connected to stroke guide rail 126 slidably, and is positioned to be provided with towards the side of main guide rail 122 and slides tooth bar 125, gear 124 with slide tooth bar 125 and engage.Main guide rail 122 and master slider 127 are connected with former dynamic component 110 respectively.
The reciprocating motion of rail 122 taken as the leading factor by former dynamic component 110, and master slider 127 provides driving force along main guide rail 122 reciprocating motion.It is to be appreciated that the reciprocating track of main guide rail 122 is arc, the vertical height direction of the installed surface of relative silk screen major diameter screen process press there is displacement, coordinate to make other mechanisms and realize by the transport process of printed document.Usually, the installed surface of major diameter screen process press is ground.Former dynamic component 110 drives master slider 127, and main guide rail 122 is reciprocating relatively.
Be in operation, former dynamic component 110 drives master slider 127, and main guide rail 122 is reciprocating relatively, when master slider 127 is reciprocating on main guide rail 122, gear 124 does, and does reciprocal rotary motion, and the number of turns that gear 124 rotates is that master slider 127 is relative to the ratio of the reciprocating stroke of main guide rail 122 with gear 124 reference circle girth.
Slide tooth bar 125 and be arranged at the side of stroke slider 128 towards main guide rail 122, gear 124 is engaged in and slides tooth bar 125, when crankmotion made by gear 124, slide tooth bar 125 reciprocating relative to gear 124, the product of the number of turns that stroke rotates for gear 124 moves on guide rail rack 123 relative to gear 124 and gear 124 reference circle, the stroke that namely master slider 127 is reciprocating relative to main guide rail 122.
So the total kilometres of the relative initiating terminal of main guide rail 122 of stroke slider 128 stroke that to be master slider 127 reciprocating relative to main guide rail 122, with stroke slider 128 reciprocating relative to stroke guide rail 126 the superposing of stroke, namely when former dynamic component 110 pairs of main guide rails 122 and master slider 127 delivery stroke constant, the total kilometres of the relative initiating terminal of main guide rail 122 of stroke slider 128 are the twice of master slider 127 relative to the movement travel of main guide rail 122.
Stroke slider 128 also with other holding element is connected, will by printed document transmission, and so, screen process press automatic transmission, under the prerequisite not taking larger space, obtains larger transmission stroke, be suitable for major diameter screen process press by the transmission of printed document; Rack slide structure, stroke accuracy is high, is convenient to control, and the kind of drive is stable, reliable, easy to maintenance, easy to manufacture, improves stability and the reliability of screen process press.
Refer to Fig. 1, wherein in an embodiment, former dynamic component 110 comprises former dynamic link assembly 112, hinge connecting rod 114 and rocking bar 116, hinge connecting rod 114 one end is articulated with former dynamic link assembly 112, the other end is articulated with described main guide rail 122, rocking bar 116 is articulated with described main guide rail 122, and former dynamic link assembly 112, hinge connecting rod 114 and rocking bar 116 are revolute pair, and former dynamic link assembly 112, hinge connecting rod 114 and described rocking bar 116 form double rocker mechanism.
Revolute pair, the component of component movement pair relatively rotates in parallel plane, then this kinematic pair is revolute pair, and such as, axle rotates in sliding bearing.Former dynamic link assembly 112, hinge connecting rod 114 and rocking bar 116 form double rocker mechanism.
It should be noted that, double rocker mechanism is the one in planar linkage mechanism, and in planar linkage mechanism, fixture is frame, and the component be directly connected with frame is side link, and the component relative with frame is connecting rod.In side link, what can only swing within the specific limits is then rocking bar, if two side links are rocking bar, is then called double rocker mechanism.
In the present embodiment, former dynamic link assembly 112, hinge connecting rod 114 and rocking bar 116 are revolute pair, former dynamic link assembly 112 can rotate around pivot, rocking bar 116 can rotate around its pivot, former dynamic link assembly 112 and rocking bar 116 are equivalent to the side link in double rocker mechanism, then hinge connecting rod 114 is equivalent to the connecting rod in double rocker mechanism.Hinge connecting rod 114 and rocking bar 116 are all articulated with main guide rail 122, main guide rail 122 moves reciprocatingly along with hinge connecting rod 114 swing with rocking bar 116, movement locus is arc, the short transverse of the installed surface relative to major diameter screen process press has displacement, transmits by printed document so that its other equipment coordinates.
So, the kind of drive is stable, reliable, and the life-span is long, improves the reliability and stability of screen process press automatic transmission, and easy to maintenance, easy to manufacture, has saved manufacturing cost and maintenance cost.
Wherein in an embodiment, former dynamic link assembly 112 comprise cam mechanism 1122, cam follower lver 1124 with the dynamic component 1126 making cam follower lver 1124 contact with cam mechanism 1122 higher pair, dynamic component 1126 is articulated with cam follower lver 1124, cam follower lver 1124 one end contacts with cam mechanism 1122 higher pair, the other end is articulated with hinge connecting rod 114, and cam follower lver 1124 is revolute pair.
Cam mechanism 1122 is components with curved profile or groove, during motion, driven member can be made to obtain continuous or discrete reciprocating motion by higher pair contact.In the present embodiment, cam mechanism 1122 comprises frame and cam, and cam can around gantry rotation, and cam follower lver 1124 is subject to the effect of dynamic component 1126, and one end of cam follower lver 1124 is held in cam, thus cam follower lver 1124 is rotated around rotating shaft.
It should be noted that, higher pair, refer to that two components are called higher pair by point or linear contact lay component movement pair.Particularly, cam follower lver 1124 end is held in the contour edge of cam, and when cam rotates, cam follower lver 1124 rotates around its rotating shaft, realizes moving back and forth.As shown in Figure 1, cam follower lver 1124 is that pivot rotates with rotating shaft, and rotating shaft is positioned at the centre position of cam follower lver 1124.
So, former dynamic link assembly 112 provides driving force for the rotation of hinge connecting rod 114 and rocking bar 116, realizes main guide rail 122 and has displacement in the height direction, so that other mechanisms coordinate by the transmission of printed document.And the kind of drive is stable, reliable, easy to maintenance, improves stability and the reliability of screen process press automatic transmission.
Wherein in an embodiment, former dynamic component 110 also comprises crank (not shown) and connecting rod (not shown), crank one end is in transmission connection in the rotating shaft of cam mechanism 1122, the other end is articulated with connecting rod, rod hinge connection is in master slider 127, and crank, connecting rod and master slider 127 forms slider-crank mechanism.
Crank, in planar linkage mechanism, being connected with frame revolute pair also can around the pivotal component of this revolute pair axis complete cycle.In the present embodiment, crank one end is connected with the transmission of rotary axis of cam mechanism 1122, the other end and rod hinge connection, and rod hinge connection is in master slider 127.Crank, connecting rod and master slider 127 forms slider-crank mechanism, and so, achieve and rotate at former dynamic link assembly 112, when providing driving force, connecting rod along with rotation, and drives master slider 127 to move reciprocatingly along main guide rail 122.
It should be noted that, slider-crank mechanism, namely realize rotating and the mobile planar linkage mechanism mutually changed with crank and slide block, also claim toggle.Usually, revolute pair is converted into moving sets by slider-crank mechanism.
Wherein in an embodiment, dynamic component 1126 comprises cylinder, and the piston rod of cylinder is articulated with cam follower lver 1124.Cylinder is the cylindrical metal parts guiding piston to carry out straight reciprocating motion wherein, in cam mechanism 1122 rotation process, cylinder acting makes cam follower lver 1124 be held in the edge of the profile of cam, thus make friction between cam follower lver 1124 and cam, the kind of drive is reliable, precision is high, and the life-span is long.
Be appreciated that, dynamic component 1126 can also be other components, as telescopic oil gear, as long as realize making cam follower lver 1124 contact with cam mechanism 1122 higher pair, avoid producing between cam follower lver 1124 and cam mechanism 1122 vibrating, affect the object of transmission accuracy.
Wherein in an embodiment, articulated mast and rocking bar 116 are coaxially articulated with main guide rail 122.So, in the rotation process of articulated mast and rocking bar 116, main guide rail 122 is made to have displacement in short transverse, to realize coordinating process printed piece transmitted with other mechanisms.
Be appreciated that in major diameter screen process press, for realizing the batch production of automatic transmission, have multiple screen process press automatic transmission, therefore have multiple guide assembly 120, be fixedly connected with between multiple main guide rail 122.Between multiple main guide rail 122, available connection or connecting plate connect, as long as realize the object be fixedly connected with between main guide rail 122.
Wherein in an embodiment, also comprise supporting plate, supporting plate is fixedly connected on stroke slider 128.Main guide rail 122 is reciprocating relatively for master slider 127, stroke takes the length of rail 122 as the leading factor, stroke slider 128 with slide tooth bar 125 and be fixedly connected with, gear 124 with slide tooth bar 125 and engage, slide tooth bar 125 opposed gear 124 to move, thus drive stroke slider 128 relative travel guide rail 126 to move.
Supporting plate is fixed on stroke slider 128, by printed document by support in supporting plate, because main guide rail 122 does the reciprocating motion that track is arc, the supporting plate in the horizontal direction relative reciprocating origin or beginning of main guide rail 122 doubles the straight reciprocating motion of relative main guide rail 122 stroke of master slider 127, and has falling in the height direction.So, when master slider 127 is positioned at the origin or beginning of main guide rail 122 relative to the reciprocating motion of main guide rail 122, supporting plate is located at the peak of short transverse, with support printed piece.Master slider 127 is relative to the end movement towards main guide rail 122 of main guide rail 122, then supporting plate falls after rise gradually from the peak of short transverse, when master slider 127 is positioned at the end of main guide rail 122 relative to main guide rail 122, then the peak that supporting plate is positioned at short transverse is then coordinated by other mechanisms and transmits by printed document.
Wherein in an embodiment, major diameter serigraphy automatic transmission also comprises for clamping by the clamp system (not shown) of printed document, clamp system multistation is arranged, corresponding with supporting plate position, the release of clamp system and clamping cycle and main guide rail 122 reciprocating cycle match.
Supporting plate has multiple, and clamp system is corresponding with supporting plate, and the release of clamp system and clamping cycle and main guide rail 122 reciprocating cycle match.When master slider 127 is positioned at the end of main guide rail 122 relative to main guide rail 122, then supporting plate is positioned at the peak of short transverse, and clamp system clamping is by printed document.When master slider 127 is positioned at the origin or beginning of main guide rail 122 relative to the reciprocating motion of main guide rail 122, supporting plate is located at the peak of short transverse, and clamp system release is by printed document.So, be one-period, reach major diameter by the straight-line object of the Long Distances of printed document.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a screen process press automatic transmission, is characterized in that, comprising:
Guide assembly, comprise main guide rail, along the reciprocating master slider of main guide rail, stroke guide rail, stroke slider, gear, guide rail rack and slide tooth bar, described master slider is slidably connected to described main guide rail, described main guide rail side is provided with described guide rail rack, be connected to described master slider described pinion rotation, and engage with described guide rail rack, described stroke guide rail is fixedly connected on the side of described master slider away from described guide rail rack, described stroke slider is slidably connected to described stroke guide rail, and be positioned to be provided with towards the side of described main guide rail described in slide tooth bar, described gear engages with the described tooth bar that slides, and
For described main guide rail is the reciprocating motion of arc as track, and described master slider moves back and forth the former dynamic component providing driving force along described main guide rail, and described main guide rail and described master slider are connected with described former dynamic component respectively.
2. screen process press automatic transmission according to claim 1, it is characterized in that, described former dynamic component comprises former dynamic link assembly, hinge connecting rod and rocking bar, described hinge connecting rod one end is articulated with described former dynamic link assembly, the other end is articulated with described main guide rail, described rocking bar is articulated with described main guide rail, and described former dynamic link assembly, hinge connecting rod and described rocking bar are revolute pair, and described former dynamic link assembly, hinge connecting rod and described rocking bar form double rocker mechanism.
3. screen process press automatic transmission according to claim 2, it is characterized in that, the dynamic component that described former dynamic link assembly comprises cam mechanism, cam follower lver and described cam follower lver is contacted with described cam mechanism higher pair, described dynamic component is articulated with described cam follower lver, described cam follower lver one end contacts with described cam mechanism higher pair, the other end is articulated with described hinge connecting rod, and described cam follower lver is revolute pair.
4. screen process press automatic transmission according to claim 3, it is characterized in that, described former dynamic component also comprises crank and connecting rod, described crank one end is in transmission connection in the rotating shaft of described cam mechanism, the other end is articulated with described connecting rod, described rod hinge connection is in described master slider, and described crank, connecting rod and described master slider form slider-crank mechanism.
5. screen process press automatic transmission according to claim 3, is characterized in that, described dynamic component comprises cylinder, and the piston rod of described cylinder is articulated with described cam follower lver.
6. screen process press automatic transmission according to claim 2, is characterized in that, described hinge connecting rod and described rocking bar are coaxially articulated with described main guide rail.
7. screen process press automatic transmission according to claim 1, is characterized in that, also comprise support by the supporting plate of printed document, described supporting plate is fixedly connected on described stroke slider.
8. screen process press automatic transmission according to claim 7, it is characterized in that, also comprise for clamping by the clamp system of printed document, described clamp system multistation is arranged, corresponding with the position of described supporting plate, the release of described clamp system and clamping cycle and described main guide rail reciprocating cycle match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223082.6A CN103978776B (en) | 2014-05-23 | 2014-05-23 | Screen process press automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223082.6A CN103978776B (en) | 2014-05-23 | 2014-05-23 | Screen process press automatic transmission |
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| Publication Number | Publication Date |
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| CN103978776A CN103978776A (en) | 2014-08-13 |
| CN103978776B true CN103978776B (en) | 2016-02-10 |
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| CN201410223082.6A Active CN103978776B (en) | 2014-05-23 | 2014-05-23 | Screen process press automatic transmission |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626735A (en) * | 2016-12-02 | 2017-05-10 | 广州市申发机电有限公司 | Full-automatic single-color high-speed cam-controlled rotational silk-screen printing machine |
| CN109727383A (en) * | 2017-10-27 | 2019-05-07 | 成都越凡创新科技有限公司 | Straight line delivery device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1457823A (en) * | 1974-01-14 | 1976-12-08 | Murray Curvex Printing Ltd | Machines for printing or decorating articles |
| CN1265976A (en) * | 2000-03-08 | 2000-09-13 | 钱克伦 | Track type multi-color screen printer |
| CN102114728A (en) * | 2010-01-01 | 2011-07-06 | 如皋市天元服饰印业有限公司 | Automatic flatbed printing machine |
| CN202517818U (en) * | 2012-02-28 | 2012-11-07 | 武汉纺织大学 | Transmission device of automatic silk screen decorating machine |
| CN203844392U (en) * | 2014-05-23 | 2014-09-24 | 广州互通气动机器工程有限公司 | Automatic transmission gear of screen printing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1142758A (en) * | 1997-07-25 | 1999-02-16 | Katsushi Hakogi | Screen-process printing machine |
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2014
- 2014-05-23 CN CN201410223082.6A patent/CN103978776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1457823A (en) * | 1974-01-14 | 1976-12-08 | Murray Curvex Printing Ltd | Machines for printing or decorating articles |
| CN1265976A (en) * | 2000-03-08 | 2000-09-13 | 钱克伦 | Track type multi-color screen printer |
| CN102114728A (en) * | 2010-01-01 | 2011-07-06 | 如皋市天元服饰印业有限公司 | Automatic flatbed printing machine |
| CN202517818U (en) * | 2012-02-28 | 2012-11-07 | 武汉纺织大学 | Transmission device of automatic silk screen decorating machine |
| CN203844392U (en) * | 2014-05-23 | 2014-09-24 | 广州互通气动机器工程有限公司 | Automatic transmission gear of screen printing machine |
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| CN103978776A (en) | 2014-08-13 |
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