CN102587431A - Scraper knife device and soil shifter - Google Patents
Scraper knife device and soil shifter Download PDFInfo
- Publication number
- CN102587431A CN102587431A CN2012100861586A CN201210086158A CN102587431A CN 102587431 A CN102587431 A CN 102587431A CN 2012100861586 A CN2012100861586 A CN 2012100861586A CN 201210086158 A CN201210086158 A CN 201210086158A CN 102587431 A CN102587431 A CN 102587431A
- Authority
- CN
- China
- Prior art keywords
- blade device
- perching knife
- spade blade
- knife body
- backplate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a scraper knife device, which comprises a scraper knife body and two parallel push rods. One end of each push rod is hinged with the back of the scraper knife body, the other end of each push rod is connected with a host body of the soil shifter, and a plurality of filter holes are arranged on a rear panel (2) of the scraper knife body. The scraper knife device can fast separate rocks (grait) from sandy soil, is high in work efficiency, simple in structure and convenient in use, when the soil shifter is used under working conditions of shifting sandy soil with rock (or conditions of riverbeds with rocker), only the scraper knife device of the soil shifter needs to be replaced, so that the rocks (grait) can be quickly separated from the sandy soil, and the sandy soil can be dug. The scraper knife device has the advantages of quick replacement and is fine in generality, and service cost for users is low. In addition, the invention provides the soil shifter comprising the scraper knife device.
Description
Technical field
The present invention relates to the earth-moving equipment technical field, particularly a kind of spade blade device and bulldozer.
Background technology
Bulldozer is a kind of engineering truck; Large-scale metal soil-shifting perching knife is equipped with in the place ahead; When bulldozer was worked, the soil-shifting perching knife was placed on the appropriate location under the effect of dynamical system, travel forward with bulldozer; The soil-shifting perching knife pushes materials such as silt and stone, so as to accomplish shovel soil, need of work such as banket.
The soil-shifting perching knife of traditional bulldozer is generally formed the case shape structure to open front by some plates; In the prior art; No matter be perching knife base plate with excision ability; Still the perching knife backboard that has the push and block ability is the metal sheet with certain rigidity, can normally excise or the push and block sandy soil in the normally soil-shifting process guaranteeing.
For in (or containing under the riverbed operating mode of cobble) under the operating mode of the sandy soil that contain rock; At first need rock (cobble) be separated from sandy soil; But the structure of above-mentioned traditional bulldozer perching knife can not realize separating of rock (cobble) and sandy soil, just need with the broach plant equipment just rock (cobble) sandy soil are separated, and then use traditional bulldozer that sandy soil are shoveled and dig; Using two kinds of equipment to carry out operation not only causes under this kind operating condition; The user shovels the use cost of soil than higher, and because of the broach plant equipment generally be applicable to remove bushes, brambles and tree root, it is when the operation of sandy soil environment; Be difficult to thoroughly rock (cobble) separated with sandy soil, rock (cobble) separative efficiency is lower.
And under this kind operating condition, because the existence of rock (cobble), the operating efficiency of the perching knife shovel soil of traditional bulldozer also reduces greatly.
Therefore; How a kind of dozer knife system that is used for bulldozer is provided, and it can improve the separative efficiency of rock in the rock sandy soil environment, and simple in structure; Have quick replacing panel and realize the conversion of equipment on functional; Versatility is good, and use cost is lower, is the technical problem that those skilled in that art need to be resolved hurrily.
Summary of the invention
The object of the invention is for providing a kind of spade blade device, and it can improve the separative efficiency of rock in the rock sandy soil environment, and simple in structure, and use cost is lower.Another object of the present invention is that a kind of bulldozer that comprises above-mentioned spade blade device is provided.
For solving the problems of the technologies described above; The invention provides a kind of spade blade device, comprise the perching knife body, an end all with two hinged parallel push rods of said perching knife body back; The other end of two said push rods all connects the main frame body of bulldozer, and the rear board of said perching knife body is provided with some filtering holes.
Preferably, said rear board is a net structure.
Preferably, said perching knife body comprises the backplate assembly that surrounds frame type structure, and said rear board removably is connected on the inner edge portion of said frame type structure, and said push rod is connected on the said backplate assembly.
Preferably, the perimembranous of said rear board is connected on the said backplate assembly through bolt.
Preferably; Said backplate assembly comprises upper guard board, following backplate and is connected in said upper guard board and the said side guard board of backplate both sides down; The said left and right both ends at backplate back down are provided with mounting blocks, and two said push rods are articulated in respectively on the left and right two said mounting blocks.
Preferably, also comprise the telescopic oil cylinder that is arranged between each said push rod and the said perching knife body, said telescopic oil cylinder connects said perching knife body through hinged seat, and the top of said hinged seat is provided with the first sand prevention plate.
Preferably, position corresponding with each said hinged seat on the said backplate assembly is provided with mounting blocks, and each said mounting blocks is located at the front end face of said backplate assembly.
Preferably, also comprise the lift cylinder that is symmetrical set on said perching knife body, two said lift cylinders connect said perching knife body through hinged seat, and the top of said hinged seat is provided with the second sand prevention plate.
Preferably, the leading section of the base plate of said perching knife body is provided with some comb teeth of extending forward.
Comprise the perching knife body in the spade blade device provided by the invention, an end all with two hinged parallel push rods of said perching knife body back, the other end of two said push rods all connects the main frame body of bulldozer, the rear board of said perching knife body is provided with some filtering holes.
When above-mentioned spade blade device uses; Two push rods are installed on the main body of bulldozer; When (or containing under the riverbed operating mode of cobble) under the operating mode of the sandy soil that containing rock uses, through push rod the motive force of bulldozer power-equipment is passed to the perching knife body, drive the perching knife body and travel forward; Sandy soil (or water) can pass the rear board with filtering holes; Promptly can not be trapped in the perching knife body interior, then can be stayed in the perching knife body, thereby realize separating of rock (cobble) and sandy soil by interception greater than the rock (or cobble) of the filtering holes specification of rear board.
This spade blade device can be realized separating fast of rock (cobble) and sandy soil; Operating efficiency is than higher; Relatively simple for structure, easy to use, and in (or containing under the riverbed operating mode of cobble) under the operating mode of the sandy soil that contain rock; The spade blade device that only needs to change bulldozer just can be realized rock (cobble) and separating fast with sandy soil of sandy soil shoveling the work operations of digging, and customer using cost is lower.
In a kind of preferred mode, said rear board is a net structure; Net structure has reasonable filter effect, and the sizing grid of certain precision can be set, and satisfies satisfying the different service ratings of sandy soil.
In the preferred mode of another kind, said perching knife body comprises the backplate assembly that surrounds frame type structure, and said rear board removably is connected on the inner edge portion of said frame type structure, and said push rod is connected on the said backplate assembly; This spade blade device can be according to user's different demands; Change different rear boards on the perching knife body, realize the operation function of bulldozer when the different work state, this spade blade device has reasonable versatility; And change rapidlyer, can improve the operating efficiency of bulldozer.
On the basis of above-mentioned spade blade device, the present invention also provides a kind of bulldozer, comprises the main frame body that is provided with driver's cabin, and the front end of said main frame body is provided with spade blade device, and said spade blade device is above-mentioned each described spade blade device.
Because of bulldozer of the present invention comprises the spade blade device with above-mentioned technique effect, so this bulldozer also has the beneficial effect of above-mentioned spade blade device.
Description of drawings
Fig. 1 is the structural representation of spade blade device among first kind of embodiment of the present invention;
Fig. 2 is the schematic top plan view of spade blade device shown in Figure 1;
Fig. 3 is the structural representation of spade blade device among second kind of embodiment of the present invention;
Fig. 4 is the backsight schematic three dimensional views of spade blade device shown in Figure 1.
Wherein, component names among Fig. 1 to Fig. 4 and the corresponding relation between the label are as follows:
The specific embodiment
Core of the present invention is for providing a kind of spade blade device, and it can improve the separative efficiency of rock in the rock sandy soil environment, and simple in structure, and use cost is lower.Another core of the present invention is that a kind of bulldozer that comprises above-mentioned spade blade device is provided.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of spade blade device among first kind of embodiment of the present invention; Fig. 2 is the schematic top plan view of spade blade device shown in Figure 1.
The invention provides a kind of spade blade device, spade blade device is generally positioned at the front end of bulldozer, and it comprises the perching knife body; The perching knife body is the groundwork part of spade blade device, is the component of directly cutting soil, is used for shovel and digs and push materials such as sand, soil; Shirk and charge material so that accomplish, the perching knife body generally has enough abrasion resistancies, strength and stiffness, to guarantee the reliability of bulldozer work; Constitute the employed material of perching knife body and do not do detailed description, please refer to available data at this.
As shown in Figure 1; Spade blade device also comprises two parallel push rods 10; One end of two push rods 10 is all hinged with said perching knife body back, and the other end of two push rods 10 all connects the main frame body of bulldozer, is the main support part of perching knife; Should be able to guarantee that structurally the perching knife body realizes various job positions, the powerful thrust that ground passes to machine mainly is to pass to perching knife through push rod 10.
The rear board 2 of perching knife body has fenestral fabric among the present invention, it is pointed out that described fenestral fabric can also be non-homogeneous layout on the plate 2 in the back for being evenly arranged on the whole rear board 2.
Need to prove that anterior described in this paper, back all is to be reference with bulldozer soil-shifting direction, before setting direction that bulldozer advances and being, correspondingly, opposite direction is the back direction.
When above-mentioned spade blade device uses; Two push rods 10 are installed on the main body of bulldozer; When (or containing under the riverbed operating mode of cobble) under the operating mode of the sandy soil that containing rock uses, through push rod 10 motive force of bulldozer power-equipment is passed to the perching knife body, drive the perching knife body and travel forward; Sandy soil (or water) can pass the rear board 2 of filtering holes; Promptly can not be trapped in the perching knife body interior, then can be stayed in the perching knife body, thereby realize separating of rock (cobble) and sandy soil by interception greater than the rock (or cobble) of the filtering holes specification of rear board 2.
This spade blade device can be realized separating fast of rock (cobble) and sandy soil; Operating efficiency is than higher; Relatively simple for structure, easy to use, and in (or containing under the riverbed operating mode of cobble) under the operating mode of the sandy soil that contain rock; The spade blade device that only needs to change bulldozer just can be realized rock (cobble) and separating fast with sandy soil of sandy soil shoveling the work operations of digging, and customer using cost is lower.
In a kind of preferred mode, rear board is a net structure; Net structure has reasonable filter effect, and the sizing grid of certain precision can be set, and satisfies satisfying the different service ratings of sandy soil.
Certainly, rear board can also be for only being provided with striated filtering holes or other forms, as long as can realize the filtration of certain specification rock (cobble).
Wherein, the concrete structure of perching knife body can be designed as various ways, several kinds of preferred designs below this paper has provided.
In a kind of specific embodiment; The perching knife body can comprise backplate assembly and the rear board 2 that surrounds frame type structure, and for the ease of describing, the backplate assembly can comprise upper guard board 4, following backplate 9, be connected in the side guard board 1 of upper guard board 4 and following backplate 9 both sides; Each backplate can be connected together through welding manner; Form frame type structure, and rear board 2 is removably connected on the inner edge portion of frame type structure, can uses parts such as bolt 3 or pin to connect between the two; This mode connects reliable, and simple in structure.
Wherein, push rod 10 is connected on the backplate assembly, and this embodiment has provided a kind of concrete position that is provided with, and please refer to Fig. 2.
Can design the shape of corresponding backplate in this embodiment according to the effect of each orientation backplate of upper and lower, left and right; And the backplate assembly can be simplified the processing technology of perching knife body, especially rear board 2 is removably connected to the inner edge portion of frame type structure, and the rear board 2 of size that can change different filtering holes is on the perching knife body; This spade blade device can be according to user's different demands; Change different rear boards on the perching knife body, realize the operation function of bulldozer when the different work state, this spade blade device has reasonable versatility; And change rapidlyer, can improve the operating efficiency of bulldozer.
In above-mentioned each embodiment, the perimembranous of rear board 2 can be connected on the backplate assembly through dormant bolt, and this connected mode can make the container cavity surface smoother of perching knife body, avoids the wearing and tearing in rock.
Certainly, the network on the rear board can be set to the evenly grid of layout, also can be set to the grid of non-homogeneous layout.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of spade blade device among second kind of embodiment of the present invention; Fig. 4 is the backsight schematic three dimensional views of spade blade device shown in Figure 1.
In the another kind of specific embodiment, the grid of rear board 2 is arranged as shown in Figure 3, and rear board 2 all is not provided with grid with the link position of other external support components, so not only is convenient to both connections, and strengthens bonding strength.
Further, the left and right both ends at following backplate 9 backs of backplate assembly are provided with mounting blocks 8, two said push rods 10 and are articulated in respectively on left and right two mounting blocks 8 among above-mentioned each embodiment; Because of shoveling the power that digs and advance, the perching knife body mainly comes from push rod 10, thus bigger with the stressed strength ratio of push rod 10 contact positions, the intensity that mounting blocks 8 can increase this position is set, guarantee the reliability of connection, the application life that helps improving spade blade device.
Further; Spade blade device can also comprise the telescopic oil cylinder 62 that is arranged between each push rod 10 and the perching knife body; Can realize the tilt operation of perching knife body through telescopic oil cylinder; Telescopic oil cylinder 62 is provided with the first sand prevention plate 12 with hinged seat 5 tops of perching knife body, and the sandy soil of avoiding overflowing in the perching knife body get in the hinged seat 5, reduce frictional dissipation between the two as far as possible.
In like manner, backplate assembly and each hinged seat 5 correspondence positions also can be provided with mounting blocks 8 in the foregoing description, and each said mounting blocks 8 can be located on the front end face of the backplate assembly of being convenient to install.
Need to prove that above-mentioned mounting blocks, hinged seat etc. all are from the function that parts are realized it to be named, and are not limited to shape, that is to say that the component shape of same names can be inequality.
In order to regulate the working depth position of perching knife body, spade blade device can also comprise that lift cylinder 61, two lift cylinders 61 that are symmetrical set on the perching knife body and hinged seat 5 tops of perching knife body are provided with the second sand prevention plate 11.
The first sand prevention plate 12 and the second sand prevention plate 11 can be designed as the V-structure that Open Side Down, certainly are set to w type or other form of structure.
Better shovel to go into to contain in the sandy soil of rock (cobble) for the ease of the perching knife body; The leading section of the base plate of perching knife body is provided with some comb teeth 7 of extending forward; Please refer again to Fig. 3, comb teeth 7 is similar to the riser structure, and the leading section of riser is provided with certain angle of inclination.
Certainly,, can the base plate of perching knife body also be designed the comb teeth structure for the shovel that increases the perching knife body is further gone into, also be appreciated that into, comb teeth is directly connected in down on the backplate 9.
On the basis of above-mentioned spade blade device, the present invention also provides a kind of bulldozer, comprises the main frame body that is provided with driver's cabin, and the front end of main frame body is provided with spade blade device, and spade blade device is above-mentioned each described spade blade device.
Because of bulldozer of the present invention comprises the spade blade device with above-mentioned technique effect, so this bulldozer also has the beneficial effect of above-mentioned spade blade device.
The otherwise structure of bulldozer please refer to available data, does not do at this and gives unnecessary details.
More than a kind of spade blade device provided by the present invention and bulldozer have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. spade blade device; Comprise the perching knife body, also comprise two parallel push rods, an end of two said push rods (10) is all hinged with said perching knife body, and the other end all connects the main frame body of bulldozer; It is characterized in that the rear board of said perching knife body (2) is provided with some filtering holes.
2. spade blade device as claimed in claim 1 is characterized in that, said rear board (2) is a net structure.
3. according to claim 1 or claim 2 spade blade device; It is characterized in that; Said perching knife body comprises the backplate assembly that surrounds frame type structure, and said rear board (2) removably is connected on the inner edge portion of said frame type structure, and said push rod (10) is connected on the said backplate assembly.
4. spade blade device as claimed in claim 3 is characterized in that, the perimembranous of said rear board is connected on the said backplate assembly through bolt (3).
5. spade blade device as claimed in claim 3; It is characterized in that; Said backplate assembly comprises upper guard board, following backplate and is connected in said upper guard board and the said side guard board of backplate both sides down; The said left and right both ends at backplate back down are provided with mounting blocks (8), and two said push rods (10) are articulated in respectively on the left and right two said mounting blocks (8).
6. spade blade device as claimed in claim 5; It is characterized in that; Also comprise the telescopic oil cylinder (62) that is arranged between each said push rod (10) and the said perching knife body; Said telescopic oil cylinder (62) connects said perching knife body through hinged seat (5), and the top of said hinged seat (5) is provided with the first sand prevention plate (12).
7. spade blade device as claimed in claim 6 is characterized in that, is provided with mounting blocks (8) with each corresponding position of said hinged seat (5) on the said backplate assembly, and each said mounting blocks (8) is located at the front end face of said backplate assembly.
8. like each described spade blade device of claim 4 to 7; It is characterized in that; Also comprise the lift cylinder (61) that is symmetrical set on said perching knife body; Two said lift cylinders (61) connect said perching knife body through hinged seat (5), and the top of said hinged seat (5) is provided with the second sand prevention plate (11).
9. spade blade device as claimed in claim 1 is characterized in that, the leading section of the base plate of said perching knife body is provided with some comb teeth (7) of extending forward.
10. a bulldozer comprises the main frame body that is provided with driver's cabin, and the front end of said main frame body is provided with spade blade device, it is characterized in that, said spade blade device is each described spade blade device of claim 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012100861586A CN102587431A (en) | 2012-03-28 | 2012-03-28 | Scraper knife device and soil shifter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012100861586A CN102587431A (en) | 2012-03-28 | 2012-03-28 | Scraper knife device and soil shifter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102587431A true CN102587431A (en) | 2012-07-18 |
Family
ID=46476622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012100861586A Pending CN102587431A (en) | 2012-03-28 | 2012-03-28 | Scraper knife device and soil shifter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102587431A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105019493A (en) * | 2015-06-04 | 2015-11-04 | 重庆广播电视大学 | Push shovel |
CN106127940A (en) * | 2016-08-25 | 2016-11-16 | 广州御银自动柜员机技术有限公司 | A kind of folded paper money device |
CN108396798A (en) * | 2018-02-06 | 2018-08-14 | 黔西南州万宏机械制造有限责任公司 | A kind of bull-dozer and its equipment |
CN113647305A (en) * | 2021-08-31 | 2021-11-16 | 邬志明 | Gardens are planted with tree seedling planting device that has a function of filling out soil |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2659974Y (en) * | 2003-12-17 | 2004-12-01 | 郑州宇通重工有限公司 | Screening scooper |
US20050242220A1 (en) * | 2002-08-29 | 2005-11-03 | Guido Azzolin | Bucket for crushing and screening stone |
CN201756710U (en) * | 2010-06-08 | 2011-03-09 | 余国淑 | Sandstone excavator |
CN201883460U (en) * | 2010-11-11 | 2011-06-29 | 徐工集团工程机械股份有限公司科技分公司 | Leaked stone bucket |
CN202131622U (en) * | 2011-06-22 | 2012-02-01 | 山推工程机械股份有限公司 | Soil shifter and shovel blade mechanism of soil shifter |
-
2012
- 2012-03-28 CN CN2012100861586A patent/CN102587431A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050242220A1 (en) * | 2002-08-29 | 2005-11-03 | Guido Azzolin | Bucket for crushing and screening stone |
CN2659974Y (en) * | 2003-12-17 | 2004-12-01 | 郑州宇通重工有限公司 | Screening scooper |
CN201756710U (en) * | 2010-06-08 | 2011-03-09 | 余国淑 | Sandstone excavator |
CN201883460U (en) * | 2010-11-11 | 2011-06-29 | 徐工集团工程机械股份有限公司科技分公司 | Leaked stone bucket |
CN202131622U (en) * | 2011-06-22 | 2012-02-01 | 山推工程机械股份有限公司 | Soil shifter and shovel blade mechanism of soil shifter |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105019493A (en) * | 2015-06-04 | 2015-11-04 | 重庆广播电视大学 | Push shovel |
CN105019493B (en) * | 2015-06-04 | 2017-10-20 | 海门华夏时丽网络科技服务有限公司 | Shoveling |
CN106127940A (en) * | 2016-08-25 | 2016-11-16 | 广州御银自动柜员机技术有限公司 | A kind of folded paper money device |
CN108396798A (en) * | 2018-02-06 | 2018-08-14 | 黔西南州万宏机械制造有限责任公司 | A kind of bull-dozer and its equipment |
CN113647305A (en) * | 2021-08-31 | 2021-11-16 | 邬志明 | Gardens are planted with tree seedling planting device that has a function of filling out soil |
CN113647305B (en) * | 2021-08-31 | 2023-04-28 | 海南齐鲁园林开发集团有限公司 | Gardens are planted with sapling planting device that has function of filling out soil |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9506215B2 (en) | Combination excavating bucket having a retractable tooth arm | |
CN102587431A (en) | Scraper knife device and soil shifter | |
CN108086374B (en) | Dozer blade device and bulldozer | |
JPH0711144B2 (en) | bucket | |
BE1011744A4 (en) | Method for through ground and rock layers using or-dredging excavators and by this method operating systems. | |
CN206667324U (en) | A kind of engineering machinery presses road all-in-one with multi-functional digging and soil-shifting | |
CN210562361U (en) | Bulldozing mechanism and shovel soil transport machinery | |
US20150176241A1 (en) | Combination excavating bucket having a retractable tooth arm | |
CN104032784A (en) | Bulldozer with vibration function for civil engineering | |
CN111877425A (en) | Wear plate for a blade | |
CN202544002U (en) | Shovel blade device and soil shifter | |
CN107806125B (en) | Shovel blade assembly and bulldozer | |
CN206128155U (en) | A bull -dozer equipment for driving forest root system | |
KR20130113228A (en) | Excavator bucket | |
CN102877494A (en) | Excavating shovel bucket with face and back operation functions | |
CN207538094U (en) | A kind of multifunctional excavator | |
CN202610868U (en) | Middle scarifier for grader | |
CA2968761C (en) | Combination excavating bucket having a retractable tooth arm | |
KR101324441B1 (en) | Sorting Bucket | |
JP3206524U (en) | Asphalt cutting uneven layer peeling nail device | |
CN204875907U (en) | Push pedal of building bull -dozer | |
CN209686478U (en) | A kind of perching knife structure and bull-dozer | |
CN210216538U (en) | Dozer blade with clearance function | |
CN210684832U (en) | Multifunctional bulldozer | |
CN202577405U (en) | Scraper knife device and bulldozer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120718 |