CN109869384A - Porous type connection sheet - Google Patents
Porous type connection sheet Download PDFInfo
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- CN109869384A CN109869384A CN201711249533.3A CN201711249533A CN109869384A CN 109869384 A CN109869384 A CN 109869384A CN 201711249533 A CN201711249533 A CN 201711249533A CN 109869384 A CN109869384 A CN 109869384A
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- 238000005452 bending Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 abstract description 10
- 239000011295 pitch Substances 0.000 description 39
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The present invention provides a kind of porous type connection sheet, can realize more flexible multi-angle connection type while guaranteeing enough stable connections, so as to assemble complicated moulding.The porous type connection sheet includes the main body of sheet, and multiple through-holes are offered in the main body, and the through-hole runs through the main body along the thickness direction of the main body.Multiple through-holes are arranged in the main body in two-dimensional pattern, and at least part through-hole in multiple through-holes is configured at a circumference, wherein, in the through-hole for being configured at one circumference, a part of through-hole is configured in a manner of being separated by the first circumferential pitch, and other through-holes are configured in a manner of being separated by the circumferential pitch for being different from the described first circumferential pitch.
Description
Technical field
The present invention relates to a kind of porous type connection sheets, connect in particular to the porous type for being interconnected to constitute complicated structure
Contact pin.
Background technique
In fields such as toy, model, buildings, it is known to form plane by the way that muti-piece connection sheet to be fastened to each other and make
Type or the technology of three-dimensional contouring.For example, the multiple connection sheets for offering through-hole can be partially overlapped each other, and by lap
In through-hole alignment, then pass through the through-hole being aligned with bolt or screw, and lock bolt or screw with nut, so that it may
Multiple connection sheets are linked together.
For example, disclosing a kind of connection sheet in CN 303979699S.The connection sheet is generally rectangular.Rectangular
Multiple through-holes are offered along marginal portion in connection sheet.These through-holes are formd along the length direction of connection sheet and width side
Two-dimensional arrangements pattern.
When the connection sheet disclosed in by two CN 303979699S is connected with each other, need using bolt or screw fit
Nut is fixed.However, when two connection sheets are connected to each other, if only using bolt or spiral shell at a lead to the hole site
Nail attaching nut is fixed, and slightly loosens once being threadedly engaged, two connection sheets will be made to relatively rotate with respect to each other.In this way, just
It is impossible to ensure that the moulding formed with connection sheet consolidates, it is unfavorable for assembling complicated moulding.Therefore, in order to guarantee connection
It is firm, it is necessary to be at least fixed at two lead to the hole site.
However, in the connection sheet disclosed in CN 303979699S, when need to guarantee at least at two lead to the hole site into
When row is fixed, it is limited to the position of through-hole, so that angle change freedom degree when two connection sheets are connected with each other is little, Zhi Nengshi
Now seldom several relative angles (for example, 0 °, 90 °).Therefore, it is unfavorable for realizing complicated moulding.
Summary of the invention
Problems to be solved by the invention
Porous type connection sheet of the invention can overcome the deficiencies of existing technologies, and guarantee the same of enough stable connections
When, more flexible multi-angle connection type is realized, so as to assemble complicated moulding.
The solution to the problem
Porous type connection sheet of the invention comprising the main body of sheet offers multiple through-holes in the main body, described logical
The main body is run through along the thickness direction of the main body in hole.Multiple through-holes are arranged in the main body in two-dimensional pattern,
And at least part through-hole in multiple through-holes is configured at a circumference, wherein is being configured at one circumference
In the through-hole, a part of through-hole is configured in a manner of being separated by the first circumferential pitch, and other through-holes are to be separated by difference
It is configured in the mode of the circumferential pitch of the described first circumferential pitch.
Through-hole is configured to circumference pattern, two connection sheets can be made in the corresponding feelings in the position of mutual circumference pattern
Different angles is relatively rotated with respect to each other under condition, while can also be easily using the multiple through-holes and such as bolt in circumference pattern
Or the appended claims of screw etc. are fixed.The pitch that through-hole in circumference pattern is separated by is different, so that adjustment two
Minimum adjustment amount when the relative rotation angle of connection sheet corresponds to the pitch difference between different circular pitch, so as to aobvious
Write the angle change freedom degree expanded between two connection sheets.
Preferably, in the through-hole for being configured at one circumference, other through-holes are to be separated by second week
It is configured to the mode of pitch.It is highly preferred that the described first circumferential pitch corresponds to 60 ° of central angle, the described second circumferential pitch
Corresponding to 45 ° of central angle.
When according to two different circumferential pitch configuration through-holes, it can be adjusted according to angle corresponding to different pitches
The angle of whole connection sheet to each other, to realize more flexible rotational angle adjustment mode.When the first circumferential pitch corresponds to
When 60 ° of central angle, rotational angle can be adjusted according to 60 ° of integral multiple, such as two connection sheets are fixed to one another to be formed
0 °, ± 60 °, ± 120 ° or 180 ° of angle.It, can be whole according to 45 ° when the second circumferential pitch corresponds to 60 ° of central angle
Several times are fixed to one another to form 0 °, ± 45 °, ± 90 °, ± 135 ° or 180 ° to adjust rotational angle, such as by two connection sheets
Angle.Therefore, the angle change freedom degree between two connection sheets is expanded significantly.
Furthermore, it is necessary to it is emphasized that work as with being configured in a manner of being separated by the first circumferential pitch in a connection sheet
Through-hole and another connection sheet on the through-hole configured in a manner of being separated by the second circumferential pitch when cooperating, may be implemented
The minimum adjustment amount of rotational angle corresponds to 15 ° of central angle, i.e., corresponding 60 ° of the central angle of the first circumferential direction pitch and second week
To the difference of corresponding 45 ° of the central angle of pitch.Especially when the size of connection sheet is smaller, cannot be configured in one circumference
When the through-hole of too many quantity, using the difference between different circumferential pitches, the minimum adjustment amount for the rotational angle that may be implemented is less than
The corresponding central angle of the circumferential pitch of the minimum of through-hole.It therefore, also can significantly even if in the case where the connection sheet of small size
Expand the angle change freedom degree between two connection sheets.
Preferably, the center of circle of one circumference is located at the width direction center of the main body, to be separated by described the
The through-hole that the mode of one circumferential pitch configures is located at the side in the width direction of the main body, to be separated by described the
The through-hole that the mode of two circumferential pitches configures is located at the other side in the width direction of the main body.
Using above-mentioned construction so that on one circumference according to the through-hole of the first circumferential pitch configuration and according to second
The width direction center line of main body of the through-hole of circumferential pitch configuration about connection sheet is symmetrical.In this way, when using connection sheet, root
It is the width direction side or the other side of the main body positioned at connection sheet according to through-hole, can rapidly judges the through-hole described one
Configuration section on a circumference away from.
Preferably, in the center point of one circumference, it is configured with a through-hole.
When being connected with each other two connection sheets, can first be made to be located at the logical of the center point in two connection sheets with fastener
Hole is mutually positioning, and two connection sheets is avoided to be offset from one another during adjusting angle.Then it is rotated further by one of connection
Piece can easily adjust angle.
Preferably, in the main body, configured with multiple circumference patterns being made of the through-hole, each circumference pattern is equal
With construction identical with one circumference.
When with multiple such circumference patterns, can at any circumference pattern in connection sheet with other connection sheets
The connection of adjustable-angle is carried out, so as to the diversity of further expansion moulding.
Preferably, the through-hole is step counterbore, the step counterbore by major diameter countersink region and minor diameter
Through-hole section composition.It is highly preferred that the countersink region is hexagon countersink region or circular counter bore portion.
It using this step counterbore, can match, realize more convenient with common hex bolts or hex screw
Tightening operation.Especially with hexagon countersink region, hex bolts or hex screw insertion step are sunk
When in hole, the bolt head or head of screw of hexagonal configuration are stuck in hexagon countersink region, to prevent hex bolts or hexagonal
The rotation of screw.At this point, nut easily can be fastened to the bolt or spiral shell stretched out from circular through hole portion with a hand
On the threaded portion of nail.
Preferably, the main body is right angle bending plate shape, and the folding line of the right angle bending plate shape is parallel to described
The width direction of main body and perpendicular to the length direction of the main body.
Using the main body of right angle bending plate shape, two connection sheets can be made to be interconnected to form D structure, so as to
The diversity of enough further expansion moulding.
Preferably, the main body is right angle bending plate shape, and the folding line of the right angle bending plate shape is parallel to described
The width direction of main body and perpendicular to the length direction of the main body, the folding line by the main body be divided into first part and
Second part, wherein in the first part, the thickness direction of countersink region in the step counterbore towards the main body
On side, the through-hole section in the step counterbore is located at the other side on the thickness direction of the main body；Described second
In part, for the countersink region in the step counterbore towards the other side on the thickness direction of the main body, the step is heavy
Through-hole section in hole is located at the side on the thickness direction of the main body.
In the tightening operation carried out using bolt or screw fit nut, need to reserve enough skies to hand or tool
Between clamp nut or bolt, screw.Therefore, by by the countersink region in above-mentioned first part and second part in connection sheet
Direction on the thickness direction of main body is set as on the contrary, can be avoided fastener for fixing first part and for fixing the
The fastener of two parts interferes with each other, and reserves enough spaces to tightening operation.
The effect of invention
Using porous type connection sheet of the invention, can be realized more flexible while guaranteeing enough stable connections
Multi-angle connection type, so as to assemble complicated moulding.
Detailed description of the invention
Fig. 1 shows the plan view of connection sheet according to the first embodiment of the present invention, wherein (a) of Fig. 1 is to overlook
Figure, (b) of Fig. 1 is bottom view.
Fig. 2 shows the perspective views of connection sheet shown in FIG. 1.
Fig. 3 shows a circumference pattern part in connection sheet shown in Fig. 2 in a manner of partial enlargement.
Fig. 4 shows two connection sheets according to first embodiment and is mutually in line the state of connection.
Fig. 5 shows the state of the mutual bevel connection of two connection sheets according to first embodiment.
Fig. 6 shows the state that two connection sheets according to first embodiment connect at right angles to each other.
Fig. 7 is shown through a connection sheet according to the second embodiment of the present invention with two according to the first embodiment party
The connection sheet of formula connects and the stereochemical structure of formation.
Fig. 8 is shown through multiple connection sheets according to the second embodiment of the present invention and multiple according to the first embodiment party
The connection sheet of formula connects and the stereochemical structure of formation.
Fig. 9 shows a kind of perspective view of moulding for applying connection sheet of the invention.
Description of symbols
10 ... connection sheet main bodys；11,11-0,11-1,11-2 ... through-hole；111 ... hexagon countersink regions；112 ... is round logical
Hole portion；20 ... right-angle type connection sheet main bodys；21 ... through-holes；201 ... first parts；202 ... second parts.
Specific embodiment
Below in conjunction with the attached drawing specific embodiment that the present invention will be described in detail.
Fig. 1 shows the plan view of connection sheet according to the first embodiment of the present invention, wherein (a) of Fig. 1 is to overlook
Figure, (b) of Fig. 1 is bottom view.Left and right directions in Fig. 1 corresponds to the length direction of connection sheet, and the up and down direction in Fig. 1 is corresponding
In the width direction of connection sheet.Fig. 2 shows the perspective views of connection sheet shown in FIG. 1.
As depicted in figs. 1 and 2, connection sheet according to first embodiment has flat connection sheet main body 10.Connection
Multiple through-holes 11 are offered in piece main body 10, each through-hole 11 runs through connection sheet main body along the thickness direction of connection sheet main body 10
10.Fig. 1 and connection sheet main body 10 shown in Fig. 2 have about (the i.e. width direction center center line A-A extended along its length
Line) symmetrical oblong shape.A circle being made of multiple through-holes 11 is shown in a manner of enlarged partial isometric view in Fig. 3
All patterns.
Through-hole 11 is arranged in the plan view of connection sheet main body 10 in two-dimensional pattern.In the example depicted in fig. 1, even
On the length direction (left and right directions in Fig. 1) of contact pin main body 10, it is provided with four mutually the same circumference patterns altogether.It is each
The center location of circumference pattern is provided with a through-hole.
Hereinafter, for convenience of description, the through-hole positioned at center location in circumference pattern is indicated with appended drawing reference 11-0,
The through-hole that the side (upside in Fig. 1) positioned at center line A-A in circumference pattern is indicated with appended drawing reference 11-1, with attached drawing mark
Remember that 11-2 indicates the through-hole of the other side (downside in Fig. 1) positioned at center line A-A in circumference pattern.Note that mentioned above
These through-holes 11,11-0,11-1 and 11-2 be mutually isostructural through-hole.
In the circumference pattern, two through-holes 11 on center line A-A and two through-hole 11-1 being located at side with
The mode for being separated by the first circumferential pitch configures, two on center line A-A through-hole 11 be located at three of the other side
Through-hole 11-2 is configured in a manner of being separated by the second circumferential pitch.
First circumferential pitch corresponds to 60 ° of central angle, and the second circumferential pitch corresponds to 60 ° of central angle.In this way, when making
When with being attached according to the through-hole of the first circumferential pitch configuration, can be adjusted according to 60 ° of integral multiple two connection sheets it
Between relative rotation angle, such as two connection sheets are fixed to one another and to form 0 °, ± 60 °, ± 120 ° or 180 ° of angle.When making
When with being attached according to the through-hole of the second circumferential pitch configuration, can be adjusted according to 45 ° of integral multiple two connection sheets it
Between relative rotation angle, such as two connection sheets are fixed to one another and to form 0 °, ± 45 °, ± 90 °, ± 135 ° or 180 ° of folder
Angle.
Particularly, when with the through-hole 11 configured in a manner of being separated by the first circumferential pitch in a connection sheet and another
When the through-hole 11 configured in a manner of being separated by the second circumferential pitch in connection sheet cooperates, rotational angle may be implemented most
Small adjustment amount is corresponding to the central angle of 15 ° of central angle, i.e. 60 ° and the difference of 45 ° of central angle.Especially when the size of connection sheet
When smaller, the through-hole of too many quantity cannot be configured in a circumference pattern.In this case, using different circumferential pitches it
Between difference, the minimum adjustment amount of the rotational angle that may be implemented is less than the corresponding central angle of the circumferential pitch of minimum of through-hole 11.
It, can be first by the respective through-hole 11-0 bolt positioned at center location of two connection sheets when being attached operation
It links together Deng in a manner of not fastening, to facilitate the contraposition between connection sheet.Then it adjusts again between two connection sheets
Angle.Finally fastened again with fastener in more than two through holes.
Fig. 4 to fig. 6 shows two connection sheets according to first embodiment different conditions interconnected.The two connect
Contact pin can have different length, such as in the case where diagram, and there are two circumference figures for setting in a shorter connection sheet
Case, there are four circumference patterns for setting in a longer connection sheet.In Fig. 4, the angle between two connection sheets is 0 °, i.e.,
Two connection sheets are mutually in line connection.In Fig. 5, the angle between two connection sheets is 45 °, i.e., two connection sheets are mutual
Bevel connection.In Fig. 6, the angle between two connection sheets is 90 °, i.e., two connection sheets connect at right angles to each other.
For example, can be cooperated using bolt or screw and nut, as fastener used in present embodiment.For convenient for
It observes, the fastener for connection is omitted in figure.
Through-hole 11 be used for bolt or screw fit, for example, through-hole 11 can be formed as common circular hole.But it is logical
The construction in hole 11 can also be other forms.For example, through-hole 11 can be configured to step counterbore.Illustrate below with reference to Fig. 3
The step counterbore of through-hole 11 constructs.
As shown in figure 3, through-hole 11 is made of the hexagon countersink region 111 of major diameter and the circular through hole portion 112 of minor diameter.
When using hex bolts or hex screw as fastener, the bolt head or head of screw of hexagonal configuration are stuck in hexagon counterbore
In portion 111, to prevent the rotation of hex bolts or hex screw.At this point, can be easily tight by nut with a hand
It is affixed to from the threaded portion of the bolt or screw that are stretched out in circular through hole portion 112.Note that countersink region is not limited to shown in Fig. 3 six
Angular countersink region 111 can also be circular counter bore portion or other shapes of countersink region.
The main body of connection sheet of the invention is not limited to the flat connection sheet main body 10 of first embodiment, can also be
Other forms.For example, showing connection sheet according to the second embodiment of the present invention in Fig. 7.The connection of second embodiment
Piece has right-angle type connection sheet main body 20.The through-hole 21 being arranged in right-angle type connection sheet main body 20 has and first embodiment
The identical construction of through-hole 11, and also form circumference pattern same as the first embodiment.
As shown in fig. 7, right-angle type connection sheet main body 20 has right angle bending plate shape, in the right angle bending plate shape,
Folding line is parallel to the width direction of right-angle type connection sheet main body 20 and perpendicular to the length direction of right-angle type connection sheet main body 20.
By folding line, right-angle type connection sheet main body 20 is divided into first part 201 and second part 202.
In Fig. 7, first part 201 and the connection sheet main body 10 of a connection sheet according to first embodiment are in line
Ground connection, second part 202 are connect as the crow flies with the connection sheet main body 10 of another connection sheet according to first embodiment.
In this way, two connection sheet main bodys 10 and an interconnection of right-angle type connection sheet main body 20 construct rectangular-shaped stereochemical structure.
It is readily appreciated that, similar fig. 4 to fig. 6 institute can also be formed between connection sheet main body 10 and right-angle type connection sheet main body 20
The various connection status shown.Multiple connection sheet main bodys 10 and multiple right angle connection sheet main bodys 20 are used for example, being shown in FIG. 8
The complicated stereochemical structure being formed by connecting.Due to can neatly adjust the relative angle between two connection sheets interconnected,
So the stereochemical structure with complicated angle change situation and complicated space structure can be constructed.
Direction and second part 202 of the through-hole 21 on the thickness direction of connection sheet in Fig. 7, in first part 201
In through-hole 21 it is opposite toward each other on the thickness direction of connection sheet.It is, assuming right-angle type connection sheet main body 20
When being launched into writing board shape, the hexagon countersink region of the through-hole 21 in first part 201 is towards on the thickness direction of connection sheet
Side, and the hexagon countersink region of the through-hole 21 in second part 202 is towards the other side on the thickness direction of connection sheet.This
Sample can reserve enough spaces to tightening operation.
It is readily appreciated that, with sufficiently large tightening operation space, can also will lead in first part 201
Through-hole 21 in hole 21 and second part 202 is set as identical direction.
It shows in Fig. 9 and is mutually assembled using connection sheet main body 10 and right angle connection sheet main body 20 with other molded parts
Made of trolley moulding.It, can be in neatly adjustment connection from Fig. 9 it will be clear that using connection sheet of the invention
In the case where angle between piece, multiple fasteners are installed at link position, to realize flexible and firm connection type.
Therefore, connection sheet of the invention is particularly conducive to realize the structure with requirements such as resistance to load, impact resistances.
Note that for ease of description, in Fig. 9, the through-hole with hexagon counterbore construction is used in some connection sheets,
The through-hole with circular counter bore construction is used in other connection sheets.However, even if can also be adopted in the same connection sheet
With the through-hole with different shape or construction.
Attached drawing is had been combined above, and the preferred embodiment of the present invention is described in detail.But the invention is not limited thereto.
For example, the circumferential pitch of through-hole is not limited to the first circumferential pitch and second circumferentially in said one circumference pattern
The case where pitch.It can be in a circumference pattern with three kinds or more kinds of circumferential pitches configure through-hole.In addition, the week of through-hole
The case where being not limited to the central angle corresponding to 60 ° and 45 ° to pitch, can also be the circumferential pitch corresponding to other central angles.
In addition, the number of circumference pattern be not limited to diagram four or two, can also be other quantity, for example, one or three.
For example, the shape of through-hole is not limited to above-mentioned circular hole construction or step counterbore construction, as long as can be realized connection
Piece is fixed to one another, so that it may using the through-hole of any configuration.In addition, being not limited to above-mentioned spiral shell with the fastener of through-hole cooperation
Bolt, screw and nut can also be the fastener of other forms.
For example, the shape of connection sheet is not limited to writing board shape or right angle bending plate shape, inclination bending plate can also be
Various other shapes of shape, corrugated plate shape etc..
Therefore, foregoing exemplary embodiment does not limit the scope of the invention in any way, only this hair for ease of understanding
The explanation of bright technical solution.The range of claims should meet broadest explanation, with comprising all these modifications, etc.
Same structure and function.
Claims (10)
1. a kind of porous type connection sheet comprising the main body of sheet offers multiple through-holes in the main body, and the through-hole is along institute
The thickness direction of main body is stated through the main body, which is characterized in that
Multiple through-holes are arranged in the main body in two-dimensional pattern, and at least part in multiple through-holes is logical
Hole is configured at a circumference, wherein
In the through-hole for being configured at one circumference, a part of through-hole is matched in a manner of being separated by the first circumferential pitch
It sets, other through-holes are configured in a manner of being separated by the circumferential pitch for being different from the described first circumferential pitch.
2. porous type connection sheet according to claim 1, which is characterized in that
In the through-hole for being configured at one circumference, other through-holes are in a manner of being separated by the second circumferential pitch
Configuration.
3. porous type connection sheet according to claim 2, which is characterized in that
Described first circumferential pitch corresponds to 60 ° of central angle, and the described second circumferential pitch corresponds to 45 ° of central angle.
4. porous type connection sheet according to claim 3, which is characterized in that
The center of circle of one circumference is located at the width direction center of the main body, to be separated by the described first circumferential pitch
The through-hole that mode configures is located at the side in the width direction of the main body, to be separated by the described second circumferential pitch
The through-hole that mode configures is located at the other side in the width direction of the main body.
5. porous type connection sheet according to claim 1, which is characterized in that
In the center point of one circumference, it is configured with a through-hole.
6. porous type connection sheet according to claim 1, which is characterized in that
In the main body, configured with multiple circumference patterns being made of the through-hole, each circumference pattern all have with it is described
The identical construction of one circumference.
7. porous type connection sheet according to claim 1, which is characterized in that
The through-hole is step counterbore, and the step counterbore is made of the countersink region of major diameter and the through-hole section of minor diameter.
8. porous type connection sheet according to claim 7, which is characterized in that
The countersink region is hexagon countersink region or circular counter bore portion.
9. porous type connection sheet according to any one of claim 1 to 8, which is characterized in that
The main body is right angle bending plate shape, and the folding line of the right angle bending plate shape is parallel to the width side of the main body
To and perpendicular to the main body length direction.
10. porous type connection sheet according to claim 7 or 8, which is characterized in that
The main body is right angle bending plate shape, and the folding line of the right angle bending plate shape is parallel to the width side of the main body
To and perpendicular to the main body length direction, the main body is divided into first part and second part by the folding line,
In,
In the first part, the countersink region in the step counterbore is towards the side on the thickness direction of the main body,
Through-hole section in the step counterbore is located at the other side on the thickness direction of the main body；
In the second part, countersink region in the step counterbore is towards another on the thickness direction of the main body
Side, the through-hole section in the step counterbore are located at the side on the thickness direction of the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711249533.3A CN109869384A (en) | 2017-12-01 | 2017-12-01 | Porous type connection sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711249533.3A CN109869384A (en) | 2017-12-01 | 2017-12-01 | Porous type connection sheet |
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| CN109869384A true CN109869384A (en) | 2019-06-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711249533.3A Withdrawn CN109869384A (en) | 2017-12-01 | 2017-12-01 | Porous type connection sheet |
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| CN201710979U (en) * | 2009-09-03 | 2011-01-19 | 无锡爱睿芯电子有限公司 | Multifunctional building block |
| CN201554131U (en) * | 2009-11-19 | 2010-08-18 | 平湖市巨龙垫圈有限公司 | Connecting component for assembly |
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| CN204570108U (en) * | 2015-04-16 | 2015-08-19 | 唐勋宏 | A kind of porous spinnerets |
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Application publication date: 20190611 |