CN102933449A - Steering column mounting bracket - Google Patents
Steering column mounting bracket Download PDFInfo
- Publication number
- CN102933449A CN102933449A CN201180029489XA CN201180029489A CN102933449A CN 102933449 A CN102933449 A CN 102933449A CN 201180029489X A CN201180029489X A CN 201180029489XA CN 201180029489 A CN201180029489 A CN 201180029489A CN 102933449 A CN102933449 A CN 102933449A
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- China
- Prior art keywords
- mounting bracket
- steering gear
- protruding pad
- bending edge
- face
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/195—Yieldable supports for the steering column
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Provided is a steering column mounting bracket such that load-deflection characteristics can be easily adjusted, and that in particular, peak loads can be easily raised. The steering column mounting bracket is a support member which has a bent cross section, and causes a steering column to be supported by a vehicle body member. The support member comprises a mounting surface which is fixed to the vehicle body member; a support surface which is mounted on the steering column; a main bent edge which is a connecting portion between the mounting surface and the support surface, and which extends in a direction that intersects the steering column at right angles; and a bead which is disposed in such a way as to intersect the main bent edge while extending over the mounting surface and the support surface and. Thus the features mentioned above are achieved.
Description
Technical field
The present invention relates to make Steering gear to be supported in the mounting bracket of vehicle body side part.
Background technology
The Steering gear that the steering hardware of vehicle (rudder steering mechanism) is taken in steering shaft freely by steering shaft and the rotation of mounting handle consists of.Steering gear is supported on vehicle body side part via support component.If steering hardware can the stable turning post and is supported in vehicle body side part then enough.Recently, in addition, wish that also steering hardware prevents that the driver is because bumping against handle injured " secondary collision " when vehicle collision.For realizing this purpose, the steering hardware of the device for impact absorbing of the impact energy that absorbs secondary collision of having proposed to pack into.
Device for impact absorbing as steering hardware, have cracking plate (ripping plate) formula and bending-type, ftracture board-like by tearing special-purpose sheet material (cracking plate) apparatus with shock absorbing, the bending-type utilization is installed on Steering gear flexural deformation (plastic deformation) apparatus with shock absorbing of the support component of vehicle body side part.The latter's device for impact absorbing is owing to not needing other parts are attached to steering hardware, and is simple in structure, so be preferred.For example shown in patent documentation 1, proposed to utilize to make Steering gear with respect to the structure of the flexural deformation (plastic deformation) of the mounting bracket of vehicle body side part support.
The mounting bracket of patent documentation 1 is by change global shape or thickness of slab, perhaps at each face or spread all over each face and make open-work (45,46) opening, adjusts load displacement properties (particularly peak load).But problem is, is difficult to carry out according to the adjustment of the load displacement properties of the change of global shape or thickness of slab, and not necessarily can adjusts according to design.In addition, the adjustment according to the load displacement properties of open-work mainly makes flexural deformation easily carry out, and existence can only be to the direction adjustment that reduces peak load and the problem ([0006] of patent documentation 1 etc.) that can not adjust to the direction that improves peak load.
Patent documentation 1: Japanese Patent Publication communique 2008-087537 number.
Summary of the invention
The problem that invention will solve
The object of the present invention is to provide to be easy to adjust the load displacement properties, particularly be easy to improve the mounting bracket of the Steering gear of peak load.
Be used for solving the means of problem
Mounting bracket by a kind of Steering gear solves above-mentioned problem, and this mounting bracket is a kind of support component that makes Steering gear be supported in the bending sections of vehicle body side part, and this support component comprises: attachment face, be fixed in the parts of car body side; Bearing surface is installed on Steering gear; Main bending edge, it is the bonding part of described attachment face and described bearing surface and extends along the orthogonal directions of Steering gear; And protruding pad, be arranged on described attachment face and the described bearing surface in the mode of intersecting with described main bending edge.As long as protruding pad can intersect with main bending edge, then outer shape, cross sectional shape or the degree of depth of protruding pad are not specially limited.If protruding pad is the outer shape with directivity, then be preferably protruding pad and main bending edge quadrature.
Mounting bracket of the present invention consists of the device for impact absorbing of steering hardware.In a single day Steering gear is impacted, and then advances to vehicle front side.Owing to the end of Steering gear being installed, so bearing surface and Steering gear advance integratedly at the bearing surface of mounting bracket.On the other hand, because the attachment face of mounting bracket is fixed in vehicle body side part, so in case bearing surface is forwards mobile, then bearing surface clips the flexural deformation of main bending edge, apparatus with shock absorbing.Mounting bracket of the present invention forms protruding pad in the mode of intersecting with main bending edge at attachment face and bearing surface, improves the rigidity of main bending edge.In addition, clip described main bending edge by increase and produce the needed flexure stress of flexural deformation, improve load displacement properties (improving peak load, also energization uptake).
Outer shape, cross sectional shape or the degree of depth of protruding pad (below, be designated as outer shape etc.) is not specially limited, and by the adjustment of outer shape etc., adjusts the load displacement properties of mounting bracket.The outer shapes of concrete protruding pad etc. also are affected producing when interfering with the subsidiary parts of the outer shape of mounting bracket or other steering hardware or vehicle body side part.But, be preferably as follows and consist of, the position that is protruding pad top (beginning of the protruding pad in the attachment face) and protruding pad terminal (end of the protruding pad in the bearing surface) all is housed in the scope of attachment face and bearing surface, and does not expose at the periphery of attachment face or bearing surface in protruding pad cross section.More specifically, the line (tie line) of the installation position with respect to vehicle body side part (tapped bore) in protruding pad and the connection face intersect and so that protruding pad top between the periphery of attachment face and described tie line, get final product.
Also can consist of in the following manner, that is, bearing surface comprises: the upper support face is connected with the main bending edge of attachment face; The lower support face is installed on Steering gear; And secondary bending edge, being sandwiched between described upper support face and the described lower support face and extending along the orthogonal directions of Steering gear, protruding pad is arranged on described attachment face and the described upper support face in the mode of intersecting with main bending edge.Secondary bending edge has a plurality ofly also can, at this moment, in case (for example change wrap direction for each secondary bending edge, order by protruding folding, recessed folding, protruding folding changes bending direction), the lower support face Steering gear that can advance with being impacted parallel integratedly then, do not exist so that the situation of the Steering gear twist and warping of advancing, so can not damage effect because of the improvement that the load displacement properties that protruding pad produces is set at main bending edge (improve peak load, and also the effect of energization uptake).
Mounting bracket of the present invention is by forming the protruding pad that intersects with main bending edge, have the rigidity that improves described main bending edge and the effect that particularly improves peak load, but in case excessively improve peak load, then flexural deformation is difficult to occur, and has damaged the effect as the mounting bracket of device for impact absorbing.Therefore, in order moderately to reduce the peak load that becomes too high owing to forming protruding pad, the opening of open-work is set in protruding pad, reduces the rigidity of main bending edge.The outer shape of open-work or size determine with the rigidity that reduce to form protruding pad and cause and with the mode that peak load is controlled at the allowed band of desired design value.
In addition, in the same manner as described above,, in protruding pad, also can at the formation recess in position consistent with main bending edge (pound into) owing to forming the peak load that protruding pad becomes too high for reducing.Recess is so that the flexural deformation of protruding pad is easy to the position, and has and reduce the effect that forms the rigidity that protruding pad causes.In this mode, as long as can promote the flexural deformation of protruding pad, recess also can be formed on the face side of protruding pad or in the rear side any.The cross sectional shape of recess or the degree of depth determine with the rigidity that reduce to form protruding pad and cause and with the mode that peak load is controlled at the allowed band of desired design value.
The invention effect
According to the present invention, can easily adjust the load displacement properties of the mounting bracket of the device for impact absorbing that consists of steering hardware.This is at first according to the effect of the protruding pad that arranges in the mode of intersecting with main bending edge.And the present invention also brings the effect of the adjusting range of the load displacement properties that increases described mounting bracket.This is that protruding pad improves the effect that the adjusting range of peak load and energization uptake causes.Corresponding to the specification of necessity, by in protruding pad, open-work being set or recess reduces described peak load, can easily adjust the load displacement properties.According to the present invention, owing to being easy to realize desired load displacement properties (particularly peak load), even for example reduce the number of samples of sampling check, also can keep quality.
By forming protruding pad in the mode of intersecting with main bending edge, improve the rigidity of mounting bracket in main bending edge.Even attenuate is suitable for the thickness of slab of mounting bracket of the present invention, also can guarantee the load displacement properties of necessity and sufficiency.Therefore, can use the sheet material thinner than mounting bracket in the past of the same race, reduce material cost.In addition, also can seek lightweight.Particularly, the weight-saving mounting bracket brings to be compared the characteristic oscillation value with mounting bracket in the past of the same race and uprises, and suppresses the subsidiary effect of the vibration of the Steering gear that supports.In this mode, the present invention not only improves the load displacement properties as the mounting bracket of device for impact absorbing, has also improved the needed cost of manufacturing and engineering properties as the mounting bracket of structure member.
Description of drawings
Fig. 1 is the block diagram of observing an example of applicable mounting bracket of the present invention from positive apparent direction.
Fig. 2 is the front elevation of this routine mounting bracket.
Fig. 3 is the lateral plan that is supported in the Steering gear of vehicle body side part by this routine mounting bracket.
Fig. 4 is the block diagram suitable with Fig. 1 of the mounting bracket (without open-work) of the other example observed from positive apparent direction.
Fig. 5 is the block diagram suitable with Fig. 1 of the mounting bracket (protruding pad is equal wide) of the other example observed from positive apparent direction.
Fig. 6 is the block diagram suitable with Fig. 1 of the mounting bracket (protruding pad top exposes at the periphery of attachment face) of the other example observed from positive apparent direction.
Fig. 7 is the block diagram suitable with Fig. 1 of the mounting bracket (bearing surface is single) of the other example observed from positive apparent direction.
Fig. 8 is the lateral plan that supports this routine mounting bracket of Steering gear.
Fig. 9 is apparatus with shock absorbing and the lateral plan suitable with Fig. 3 that produces this routine mounting bracket of plastic deformation.
The specific embodiment
Below, illustrate to be used for implementing mode of the present invention.As shown in Figure 1 to Figure 3, the present invention is the mounting bracket 1 that consists of the device for impact absorbing of steering hardware.In this routine mounting bracket 1, the upper support face 12 that is fixed in the attachment face 11 of vehicle body side part 3 and is installed on Steering gear 2 consists of the bending sections via the main bending edge 14 that extends with Steering gear 2 quadratures, and at attachment face 11 and upper support face 12 protruding pad 15 is set in the mode of intersecting with main bending edge 14.In attachment face 11, the bolt that pair of right and left is set at the periphery parallel with main bending edge 14 is with otch (installation position) 111,111.Protruding pad top 151 be connected that described bolt intersects with otch 111,111 tie line and towards described periphery extension, and between the periphery and described tie line of attachment face 11.
In mounting bracket 1, bearing surface with respect to attachment face 11 via main bending edge 14 flexural deformations.This routine bearing surface is divided into upper support face 12 and lower support face 13.Particularly, take median surface 122 connect from the upper support face 12 of attachment face 11 (Fig. 1 as left) decline to oblique rear and with the lower support face 13 of Steering gear 2 quadratures.Protruding pad terminal 152 is incorporated in the scope of upper support face 12.In lower support face 13, axle through hole 132 is set at the center, the steering shaft (diagram) that extends from Steering gear 2 runs through this axle through hole 132.Mounting bracket 1 and Steering gear 2 engage by tie bolt 21.In mounting bracket 1, clip described axle through hole 132 and at diagonal position a pair of bolt hole 133 that leads to connecting bolt 21 of inserting is set.
As shown in Figure 3, Steering gear 2 is connected in the lower support face 13 of mounting bracket 1.In the lower support face, arrange and insert the bolt hole 133 that leads to connecting bolt 21.Steering gear 2 is supported on vehicle body side part (such as car chamber crossbeam etc.) 3 via mounting bracket 1.The steering shaft (omitting diagram) that extends from Steering gear 2 from the axle through hole 132 of lower support face 13 pass and forwards (right-hand Fig. 3) extend.Steering gear 2 is supported on other position of vehicle body side part 3 via auxiliary stand 22.Auxiliary stand 22 consists of as follows,, in case the driver bumps against handle (omit diagram) etc. when collision case, applies impact from the rear of Steering gear 2 that is, and then Steering gear 2 can easily separate.
The feature of mounting bracket 1 of the present invention is the protruding pad 15 that intersects to form with main bending edge 14.The protruding pad 15 of this example is to make from positive apparent direction to be viewed as the protuberance that foursquare plane forwards swells.As previously discussed, in the mode of intersecting with otch 111,111 tie line with tie bolt, towards the periphery of described attachment face 11, prolong protruding pad top 151 from the top of above-mentioned foursquare protuberance.Thus, the rigidity that by 151 reinforcement of protruding pad top the attachment face 11 that bolt causes with otch 111 is set reduces.In the protruding pad 15 of this example, on the plane that covers upper support face 12 open-work 153 is set, in addition, form recess (pound into) 154 in the position consistent with main bending edge 14.This example, by open-work 153 and recess 154, so that the reduction of the rigidity in the main bending edge 14 that excessively improves, and easily produce the flexural deformation that is used for apparatus with shock absorbing.
In Fig. 4, shown the other embodiment of mounting bracket of the present invention.The protruding pad 16 of example is identical with the protruding pad 15 of this example in addition, and protruding pad top 161 and protruding pad terminal 162 are set, and at the position formation recess 164 consistent with main bending edge 14.But, in protruding pad 16, open-work is not set.By this difference, compare this example, the rigidity of the main bending edge 14 of example becomes higher in addition.
In Fig. 5, shown the other embodiment of mounting bracket of the present invention.The protruding pad terminal 172 of the protruding pad 17 of example is identical with this example in addition.But the protruding pad 17 of example does not have open-work and recess in addition, and compares this example expansion attachment face 11, and enlarges the width at protruding pad top 171, and the rigidity of main bending edge 14 is uprised, and these aspects are different from this example.Protruding pad top 171 and tie bolt intersect with otch 111,111 tie line and towards the periphery extension of attachment face 11, the width at protruding pad top 171 and the main body same widths of protruding pad 17.In addition, as shown in Figure 6, the width, protruding pad terminal 182 that is set as attachment face 11 and described protruding pad 17 are identical and make protruding pad top 181 arrive the protruding pad 18 of the periphery of attachment faces 11, compare with the main bending edge 14 of described protruding pad 17, also can how much reduce the rigidity of main bending edge 14.
The present invention except above-mentioned illustration (Fig. 1 to Fig. 6), can also be applicable to the in the past known various mounting bracket 1 by plastic deformation performance impact absorption function.For example, as shown in Figure 7, if by arranging with the hinge that can support along the mode that Steering gear 2 is shaken (making inclination) the single bearing surface 193 of flange 195 and the mounting bracket 1 that attachment face 11 consists of, then applicable the present invention, namely main bending edge 14 arranges protruding pad 19 on the border of described attachment face 11 and bearing surface 193.In addition protruding pad 19 of example is identical to the width of protruding pad terminal 192 from protruding pad top 191, and forms recess 194 in the position consistent with main bending edge 14.
In this mode, outer shape, cross sectional shape or the degree of depth of protruding pad 15 are not specially limited.Having or not yet of open-work or recess is not specially limited.But, from the viewpoint of the rigidity that improves main bending edge 14, such as Fig. 8 and afterwards, when definition L1, L2, F1 and F2, be preferably and satisfy following relation.By satisfying this relation, can prevent at the more front place of main bending edge 14 from the situation of protruding pad terminal bending.As long as satisfy this relation, outer shape, cross sectional shape or the degree of depth of protruding pad 15 then are not specially limited, and having or not yet of open-work or recess is not specially limited.
L1×F/Z1>L2×F/Z2
Z1: the section factor of the mounting bracket that comprises protruding pad 15 1 of main bending edge 14.
L1: the distance till the protruding pad 15 that the intersection point that the axis of Steering gear 2 of lower support face 13 and described lower support face 13 are installed is load point M to the main bending edge 14.
Z2: the section factor of the mounting bracket 1 of the protruding pad terminal 152 in the upper support face 12.
L2: the distance that the intersection point that the axis of Steering gear 2 of lower support face 13 and described lower support face 13 are installed is load point M till the described protruding pad terminal 152.
F: the load that puts on load point M.
Defer to the mounting bracket 1 that above-mentioned relation forms protruding pad 15, in case because collision is accepted load F from Steering gear 2, then as shown in Figure 9, reduce with respect to attachment face 11 angle of bend with top bearing surface 12, and median surface 122 increases with respect to upper support face 12 angle of bend, and the mode that lower support face 13 increases with respect to median surface 122 angle of bend, separately flexural deformation, thereby apparatus with shock absorbing.Because the first secondary bending edge 121 and the second secondary bending edge 131 flexural deformations, so lower support face 13 and Steering gear 2 parallel integratedly.Therefore, the lower support face can not occur and make the situation of Steering gear twist and warping with respect to the Steering gear inclination and distortion that advances.
Nomenclature
1 mounting bracket
11 attachment faces
12 upper support faces
13 lower support faces
14 main bending edge
15 protruding pads
2 Steering gears
21 tie bolts
22 auxiliary stands
3 vehicle body side parts
31 bolt of rear end plates.
Claims (4)
1. the mounting bracket of a Steering gear is to make Steering gear be supported in the support component of the bending sections of vehicle body side part, and this support component comprises: attachment face is fixed on the parts of car body side; Bearing surface is installed on the Steering gear; Main bending edge is the bonding part of described attachment face and described bearing surface and extend along the orthogonal directions of Steering gear; And protruding pad, be arranged on described attachment face and the described bearing surface in the mode of intersecting with described main bending edge.
2. the mounting bracket of Steering gear according to claim 1 is characterized in that:
Described bearing surface comprises: the upper support face is connected with the main bending edge of described attachment face; The lower support face is installed on the Steering gear; And secondary bending edge, be sandwiched between described upper support face and the described lower support face and extend along the orthogonal directions of Steering gear,
Described protruding pad is arranged on described attachment face and the described upper support face in the mode of intersecting with main bending edge.
According to claim 1 and 2 in the mounting bracket of each described Steering gear, it is characterized in that, in described protruding pad, be provided with open-work.
4. the mounting bracket of each described Steering gear in 3 according to claim 1 is characterized in that, described protruding pad has recess in the position consistent with described main bending edge.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-137112 | 2010-06-16 | ||
| JP2010137112A JP2012001080A (en) | 2010-06-16 | 2010-06-16 | Steering column mounting bracket |
| PCT/JP2011/061981 WO2011158621A1 (en) | 2010-06-16 | 2011-05-25 | Steering column mounting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102933449A true CN102933449A (en) | 2013-02-13 |
Family
ID=45348030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180029489XA Pending CN102933449A (en) | 2010-06-16 | 2011-05-25 | Steering column mounting bracket |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012001080A (en) |
| CN (1) | CN102933449A (en) |
| WO (1) | WO2011158621A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2738064B1 (en) * | 2012-03-06 | 2018-04-18 | NSK Ltd. | Impact absorbing steering device |
| JP2013244840A (en) * | 2012-05-25 | 2013-12-09 | Jtekt Corp | Impact absorbing steering apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030032409A (en) * | 2001-10-18 | 2003-04-26 | 주식회사 만도 | Shock absorbing device of steering column for vehicle |
| JP2005088635A (en) * | 2003-09-12 | 2005-04-07 | Suzuki Motor Corp | Steering column structure |
| CN1642802A (en) * | 2002-05-08 | 2005-07-20 | 日本精工株式会社 | Impact absorbing steering column device |
| CN101048309A (en) * | 2004-10-28 | 2007-10-03 | 佛吉亚汽车内部设备工业公司 | Connecting device between a steering column and a motor vehicle body |
| US20080272583A1 (en) * | 2007-05-04 | 2008-11-06 | Delphi Technologies, Inc. | Steering column assembly |
| JP2010006323A (en) * | 2008-06-30 | 2010-01-14 | Jtekt Corp | Impact absorbing type steering device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711730B2 (en) * | 1985-11-22 | 1995-02-08 | キヤノン株式会社 | Fixing device |
| JPH0529185Y2 (en) * | 1986-01-30 | 1993-07-27 | ||
| JP3409600B2 (en) * | 1996-09-06 | 2003-05-26 | 日本精工株式会社 | Shock absorbing steering column device with electric power steering device |
| JP3560490B2 (en) * | 1999-02-10 | 2004-09-02 | 富士機工株式会社 | Energy absorption structure of steering column |
| JP2000313340A (en) * | 1999-04-28 | 2000-11-14 | Nsk Ltd | Steering column device with electric power steering device |
| JP2003170838A (en) * | 2001-12-07 | 2003-06-17 | Nsk Ltd | Impact absorbing type steering column device for vehicle |
| JP5013170B2 (en) * | 2006-09-29 | 2012-08-29 | 株式会社ジェイテクト | Shock absorbing steering device |
-
2010
- 2010-06-16 JP JP2010137112A patent/JP2012001080A/en active Pending
-
2011
- 2011-05-25 CN CN201180029489XA patent/CN102933449A/en active Pending
- 2011-05-25 WO PCT/JP2011/061981 patent/WO2011158621A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030032409A (en) * | 2001-10-18 | 2003-04-26 | 주식회사 만도 | Shock absorbing device of steering column for vehicle |
| CN1642802A (en) * | 2002-05-08 | 2005-07-20 | 日本精工株式会社 | Impact absorbing steering column device |
| JP2005088635A (en) * | 2003-09-12 | 2005-04-07 | Suzuki Motor Corp | Steering column structure |
| CN101048309A (en) * | 2004-10-28 | 2007-10-03 | 佛吉亚汽车内部设备工业公司 | Connecting device between a steering column and a motor vehicle body |
| US20080272583A1 (en) * | 2007-05-04 | 2008-11-06 | Delphi Technologies, Inc. | Steering column assembly |
| JP2010006323A (en) * | 2008-06-30 | 2010-01-14 | Jtekt Corp | Impact absorbing type steering device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011158621A1 (en) | 2011-12-22 |
| JP2012001080A (en) | 2012-01-05 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |