CN102689049A - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN102689049A CN102689049A CN2011100675361A CN201110067536A CN102689049A CN 102689049 A CN102689049 A CN 102689049A CN 2011100675361 A CN2011100675361 A CN 2011100675361A CN 201110067536 A CN201110067536 A CN 201110067536A CN 102689049 A CN102689049 A CN 102689049A
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- rolling member
- spigot surface
- base plate
- leading line
- electric tool
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Abstract
An electric tool comprises a housing, a motor accommodated in the housing, a cutting element and a base plate, wherein the cutting element is driven by the motor and has a cutting direction, the base plate is connected with the housing and has a supporting surface used for supporting a workpiece to be processed, the base plate is equipped with a guide rolling device, the guide rolling device comprises at least two rolling members, the rolling members define at least one guide surface or guide line, and the guide surface or the guide line is used for matching with a reference surface perpendicular to the supporting surface. The electric tool is guided to carry out straight-line cutting by matching the guide surface or the guide line with the reference surface of a reference element provided by an operator; purchase of specially-produced guide rail accessories used for the straight-line cutting is not required; the work efficiency is improved; and user operation is made to be more convenient.
Description
Technical field
The present invention relates to a kind of electric tool, especially a kind of base plate has the electric tool of the tourelle that leads.
Background technology
Usually; Electric tool for example sweep-saw, electric circular saw etc. comprises fuselage and is accommodated in the motor in the fuselage; Thereby this motor can be operated cutting element processing that is used to drive or the workpiece that cuts different materials; Electric tool also comprises the base plate that is connected with the fuselage scalable, and this base plate is used to be placed on workpiece.
Generally, when on the bigger workpiece of area, carrying out straight cuts, can draw line of cut at surface of the work usually, reach the purpose of cutting straight line, often have deviation when still cutting and cause cutting accuracy to be difficult to guarantee along the line of cut cutting.Deutsche Bundespatent 102008059838A1 has disclosed the track-type facilities on a kind of electric circular saw that is used to cut timber.It is to be fixed on guide rail on the workpiece to be processed through the tight jig that installs of two strap clamps, and electric circular saw moves along fixed guide and reaches the cutting straight line purpose.But this kind guide rail is an aluminum material, and it is oversize not portable to be prone to bending and guide rail, has brought inconvenience to straight cuts.
Summary of the invention
To the deficiency of prior art, the object of the present invention is to provide the electric tool that makes things convenient for cutting straight line.The technical solution adopted for the present invention to solve the technical problems is: housing; Be contained in the motor in the said housing; By said motor-driven and be used to cut the cutting element of workpiece to be processed, cutting element has cut direction, and is connected with said housing and has a base plate that is used to be resisted against the abutment face on the workpiece to be processed; Said base plate is equipped with the guiding tourelle; Said guiding tourelle comprises at least two rolling members, said rolling member at least one spigot surface of definition or leading line, and said spigot surface or leading line can cooperate with the datum level perpendicular to said abutment face.
Preferably, said rolling member can wind the axis rotation perpendicular to said abutment face.
Preferably, said spigot surface or leading line are projected in outside the said base plate in that workpiece to be processed is lip-deep.
Preferably, said rolling member defines first spigot surface or first leading line and second spigot surface or second leading line that is parallel to each other.
Preferably, said two spigot surfaces that are parallel to each other or the distance between the leading line can be regulated.
Preferably; Said guiding tourelle comprises first rolling member, second rolling member, the 3rd rolling member and the 4th rolling member; Said first rolling member and the 3rd rolling member define said first spigot surface or first leading line, and said second rolling member and the 4th rolling member define said second spigot surface or second leading line.
Preferably, said first spigot surface or first leading line and said second spigot surface or the projection of second leading line on said workpiece to be processed are all outside base plate.
Preferably, said datum level is located on the standard, and said standard is between said first spigot surface or first leading line and second spigot surface or second leading line.
Preferably, said first rolling member is supported by first fixture, and said second rolling member is supported by second fixture, and said second fixture and said first fixture connect and can move with respect to said first fixture.
Preferably, said first rolling member is provided with groove, and said second fixture can move along the longitudinally of said groove is exercisable.
Electric tool among the present invention is being positioned at the rolling member of installing with respect to cutting element one side on the base plate; Only needing the operator to provide a straight batten (standard) as guiding for oneself is fixed on the workpiece to be processed; Just can reach and use the purpose of electric tool whenever and wherever possible the workpiece to be processed cutting straight line; And the precision of cutting straight line is high, has improved operating efficiency, and it is convenient to operate.
Description of drawings
Fig. 1 is the stereogram of the electric circular saw that provides of first embodiment of the invention;
Fig. 2 is that electric circular saw is placed on the stereogram that leans on mutually with standard on the workpiece among Fig. 1;
Fig. 3 is the sketch map of electric circular saw guiding rolling device guiding face among Fig. 1;
Fig. 4 is the explosive view of electric circular saw guiding tourelle among Fig. 1;
Fig. 5 be among Fig. 2 electric circular saw guiding tourelle along the cross-sectional schematic of straight line A-A;
Fig. 6 is an electric circular saw partial top view among Fig. 2;
Fig. 7 is Fig. 1 electric circular saw working state schematic representation;
Fig. 8 is the stereogram of the electric circular saw that provides of second embodiment of the invention;
Fig. 9 is an electric circular saw working state schematic representation among Fig. 8.
Figure 10 is the explosive view of electric circular saw guiding tourelle among Fig. 8;
Figure 11 is the vertical view of electric circular saw guiding tourelle among Fig. 8;
Figure 12 is the cross-sectional schematic of tourelle along straight line B-B that lead among Figure 11;
Figure 13 is the cross-sectional schematic of tourelle along straight line C-C that lead among Figure 11.
Wherein:
1. electric circular saw 2. housings 4. grooves
6. saw blade 8. base plates 10. guiding tourelles
14. supporting mechanism 16. rolling members 18. through holes
22. fixture 24. locking members 26. central shafts
28. top base 36,38. through holes 34. through holes
30. bottom base 32. side plates 39. spigot surfaces
40. standard 41.G shaped clamp 42. datum levels
44. workpiece to be processed 11. electric circular saws 46. first rolling members
47. the 3rd rolling member 48. second rolling members 49. the 4th rolling member
50. supporting mechanism 52,56. through holes 60. first fixtures
62. second fixture, 64. first locking members, 66. second locking members
68. first central shaft, 70. second central shafts, 72. wing nuts
74. pad 76. first top bases 78. first bottom bases
80. base plate 81. first side plates 82,86,88. through holes
84. groove 90. second top bases 92. second bottom bases
94. second side plate, 96,98,101. through holes, 100. guiding tourelles
102. pad hole 103. workpieces to be processed, 104. standards
106. screw 109,111. datum levels
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
See also shown in Figure 1ly, first embodiment of the invention provides that a kind of have can be against the electric tool of treating at the base plate on processing work surface, and for example sweep-saw, electric circular saw or bakelite mill, and are electric circular saw 1 at electric tool described in this embodiment.
Electric circular saw 1 comprises housing 2, is contained in the motor (not shown) in the housing 2, by motor-driven cutting element with cut direction F, has the base plate 8 that is resisted against the abutment face on the workpiece to be processed.Base plate 8 is provided with groove 4, processes or cuts thereby groove 4 extends and supplies cutting element to stretch out along electric circular saw 1 cut direction F.In this embodiment, cutting element is a saw blade 6, and saw blade 6 can be rotated in plane, saw blade 6 place by motor-driven.At least two guiding tourelles 10 are installed on the base plate 8.
Guiding tourelle 10 is installed on the base plate 8 any side with respect to plane, saw blade 6 place.Guiding tourelle 10 can be installed on the base plate 8 near motor one side; Guiding tourelle 10 also can be installed on the base plate 8 away from motor one side.In this embodiment, guiding tourelle 10 is installed on the base plate 8, and is positioned at the side near motor with respect to plane, saw blade 6 place.
Please consult Fig. 2, Fig. 3 and shown in Figure 4 in the lump, the straight batten that the user provides for oneself can be used as the standard 40 of guiding electric circular saw 1 cutting straight line on workpiece to be processed 44.What standard 40 was fixing is installed on the workpiece to be processed 44, comprises datum level 42, and datum level 42 is vertical with base plate 8 abutment faces with workpiece to be processed 44 and belong to plane parallel with saw blade 6.Guiding tourelle 10 comprises rolling member 16 and supporting mechanism 14, rolling member 16 pivotly with datum level 42 contact matching of standard 40, thereby guiding electric circular saw 1 cutting straight line.Rolling member 16 has central axis, and can pivot around central axis.Central axis and base plate be 8 vertical, 44 vertical with workpiece to be processed, with saw blade 6 place plane parallel and parallel with datum level 42.In this embodiment, rolling member 16 cylindrical shapes.Rolling member 16 forms an edge line (not shown) when saw blade 6 contacts with datum level 42; Edge line is parallel with rolling member 16 central axis; Simultaneously, the quantity of the rolling member 16 that guiding tourelle 10 is comprised is at least two, so guiding tourelle 10 forms two parallel edge lines at least when saw blade 6 contacts with datum level 42; Article at least two, edge line defines a spigot surface 39, and said spigot surface 39 overlaps with datum level 42.Said spigot surface 39 is workpiece to be processed 44 lip-deep being projected in outside the base plate 8, like this, rolling member 16 can be pivotly with datum level 42 mutually by cooperating, the use electric circular saw that the user can be random carries out the straight cuts operation on workpiece to be processed.
Rolling member 16 is not limited only to cylindrical shape, also can be spherical.In this case, rolling member 16 forms two points at least when saw blade 6 contacts with datum level 42, and these points form a unique leading line, and leading line is parallel with saw blade 6 cut direction.The user uses electric circular saw 1 when standard 40 is pushed ahead; Rolling member 16 all forms at least two points when contacting with datum level 42 at any time; These points form a unique leading line, and said leading line is parallel with saw blade 6 cut direction, and is vertical with rolling member 16 central axis.In order to reduce the frictional force between rolling member 16 and the standard 40, the outer surface of rolling member 16 uses smooth material material, like plastics, pottery etc.
No matter rolling member 16 is cylindrical shape or spherical; With datum level 42 contact matching the time; Spigot surface 39 that forms or leading line all are unique, fixing and parallel with saw blade 6 cut direction at any time, so thereby guiding tourelle 10 can well cooperate with standard 40 and guides electric circular saw 1 cutting straight line on workpiece to be processed 44 among the present invention.And be prone to problems such as bending is not portable to the special cutting straight line guide rail of electric circular saw in the preceding case, and reaching at the same time under the prerequisite of cutting straight line preferably, guiding tourelle among the present invention is 10 light, economy, volume is little and the cutting straight line precision high.
Please consult Fig. 4, Fig. 5 and shown in Figure 6 in the lump; Supporting mechanism 14 comprises the fixture 22 that is used to connect rolling member 16 and base plate 8, is used for fixing the locking member 24 of base plate 8 and fixture 22 relative position relations and matches with rolling member 16 to make the central shaft 26 that rolling member 16 rotates pivotly.For rolling member 16 and central shaft 26 are pivoted smoothly, rolling member 16 can be that bearing is connected with central shaft 26.
Certainly; Those skilled in the art can also adopt the other technologies scheme to realize connecting of rolling member and base plate; Such as on base plate directly the fixed installation central shaft rolling member is rotated etc. pivotly; No longer describe in detail at this, but as long as its function and effect and the present invention is same or similar all should be covered by in the protection domain of the present invention.
See also shown in Figure 7; When using electric circular saw 1 to cut; Electric circular saw 1 being placed on the workpiece to be processed 44, being fixed on the workpiece to be processed 44 with any suitable mode with electric circular saw 1 standard 40 that uses that matches, is to fix standard 40 through G-shaped clamp tool 41 in this embodiment.The datum level 42 of standard 40 and saw blade 6 place plane parallel, vertical with base plate 8, workpiece to be processed 44.Rolling member 16 is back to saw blade 6 cooperation that contacts with datum level 42; Contact forms an edge line; And when the user advanced electric circular saw 1 to advance, rolling member 16 all contacted with datum level 42 and forms an edge line at any time, and this a series of line constitutes a unique spigot surface 39; Spigot surface 39 overlaps with datum level 42, thereby reaches guiding electric circular saw 1 purpose of cutting straight line accurately.
Please with reference to shown in Figure 8; The electric circular saw 11 that second embodiment of the invention provides is identical with the structure of first embodiment; Its different place is: guiding tourelle 100 comprises first, second rolling member (46,48) that is oppositely arranged and the 3rd, the 4th rolling member (47,49) that is oppositely arranged.
Guiding tourelle 100 is installed on the base plate 80 any side with respect to plane, saw blade 6 place.Guiding tourelle 100 can be installed on the base plate 80 near motor one side, also can be installed on the base plate 80 away from motor one side.In this embodiment, guiding tourelle 100 is installed on the base plate 80 and is positioned at the side near motor with respect to plane, saw blade 6 place.
See also Fig. 9 and shown in Figure 10, the straight batten that the user provides for oneself can be used as the standard 104 of guiding electric circular saw 11 cutting straight line.Standard 104 fixing being installed on the workpiece to be processed 103 comprise datum level (109,111).Datum level (109,111) and workpiece to be processed be 103 vertical, vertical with base plate 80 and with saw blade 6 place plane parallel.Guiding tourelle 100 and standard 104 lean on cooperation mutually, thereby guide electric circular saw 11 cutting straight line.
Guiding tourelle 100 comprises first rolling member 46, second rolling member 48, the 3rd rolling member 47, the 4th rolling member 49 and supporting mechanism 50.First rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 have central axis, and can pivot around central axis separately.Central axis and base plate be 80 vertical, 103 vertical with workpiece to be processed, with saw blade 6 place plane parallel and parallel with datum level (109,111).In this embodiment, first rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 cylindrical shapes.First rolling member 46 and the 3rd rolling member 47 back to saw blade 6, pivotly with datum level 109 contact matching; And contact forms two parallel edge lines; Article two, edge line is parallel with the 3rd rolling member 47 central axis with first rolling member 46; And two parallel edge line defines the first spigot surface (not shown), and said first spigot surface overlaps with datum level 109.Second rolling member 48 and the 4th rolling member 49 in the face of saw blade 6, pivotly with datum level 111 contact matching; And contact forms two parallel edge lines; Said two edge lines are parallel with the 4th rolling member 49 central axis with second rolling member 48; And two parallel edge line defines the second spigot surface (not shown), and said second spigot surface overlaps with datum level 111.Said first spigot surface parallel with second spigot surface and in workpiece to be processed 103 lip-deep projections all outside base plate 80.
First rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 are not limited only to cylindrical shape, also can be spherical.In this case, first rolling member 46 forms two points at least with the 3rd rolling member 47 when saw blade 6 contacts with datum level 109, and these points form unique one first leading line, and first leading line and saw blade 6 place plane parallel; Second rolling member 48 forms two points at least when contacting with datum level 111 in the face of saw blade 6 with the 4th rolling member 49, these points form unique one second leading line, and second leading line and saw blade 6 place plane parallel.First leading line is parallel with second leading line.In order to reduce the frictional force between first rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 and the standard 104; The outer surface of first rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 uses smooth material material, like plastics, pottery etc.
No matter first rolling member 46, second rolling member 48, the 3rd rolling member 47 and the 4th rolling member 49 are cylindrical shape or spherical; With datum level (109; 111) during contact matching; Spigot surface that forms or leading line all be unique, fixing and at any time with saw blade 6 place plane parallel, so guiding tourelle 100 can well cooperate with standard 104 and guides electric circular saw 11 cutting straight line among the present invention.And guiding tourelle among the present invention is 100 light, economy and volume are little, has overcome the special cutting straight line guide rail of electric circular saw in the preceding case and has been prone to problems such as bending is not portable.
Supporting mechanism 50 is used to support first, second rolling member (46; 48); It is pivotably mounted on the base plate 80; Comprise first fixture 60 that is used to connect first rolling member 46 and base plate 80, be used to connect second fixture 62 of second rolling member 48 and first fixture 60, be used for fixing first locking member 64 of first fixture 60 and base plate 80; Second locking member 66 that is used for fixing second fixture 62 and first fixture 60; First central shaft 68 that matches the rolling member 46 of winning is rotated pivotly with first rolling member 46, matching with second rolling member 48 makes second central shaft 70, wing nut 72 and the pad 74 that second rolling member 48 rotates pivotly.First fixture 60 is fixedly connected with base plate 80, comprises first top base 76, first bottom base 78 and connects first side plate 81 of going up bottom base.Second fixture 62 and first fixture 60 match, and comprise second top base 90, second bottom base 92 and connect second side plate 94 of going up bottom base.
Please consult Fig. 9 in the lump to shown in Figure 13, first bottom base 78 is fixedly connected with base plate 80, and the through hole 86 that first locking member 64 passes first bottom base 78 is threaded with the screwed hole (not shown) of base plate 80.First rolling member 46 is connected on first fixture 60 pivotly, and first rotating shaft 68 is connected with through hole 88.Second fixture 62 and first fixture 60 match, and second locking member 66 passes pad hole 102, through hole 98, the first top base groove 84 and wing nut 72 screw threads and fixes.Second rotating shaft 70 is connected with through hole 101 interference.The quantity of groove 84 is at least one.
Consider the situation that straight batten width that the user as standard provides for oneself differs, the distance between first, second rolling member (46,48) that is oppositely arranged can be regulated; Distance between the 3rd, the 4th rolling member (47,49) that is oppositely arranged also can be regulated.Distance between first spigot surface, second spigot surface also can be regulated.Specifically; Regulate second locking member 66 and change the relative distance of first fixture 60 and second fixture 62 in the position of groove 84 lengthwise bearing of trends; Thereby make first, second roller (46; 48) datum level (109,111) with standard 104 optimum, the while matches, and plays best guiding purpose.
With reference to shown in Figure 12; When the user uses electric circular saw 11 to cut; Electric circular saw 11 is placed on workpiece to be processed 103 surfaces; The user provides straight batten for oneself as standard 104, and standard 104 is fixed on the workpiece to be processed 103 with any suitable mode, is through screw 106 fixed reference parts 104 in this embodiment.The datum level of standard 104 (109,111) and base plate 80, workpiece to be processed 103 are vertical, and be parallel with saw blade 6 directions of feed.The user is in using electric circular saw 11 cutting straight line processes; Standard 104 is between first spigot surface and second spigot surface; At least one coincidence cooperates in first spigot surface and datum level 109 and second spigot surface and the datum level 111, thus guiding electric circular saw cutting straight line on workpiece to be processed.
In second embodiment, the quantity of rolling member of guiding tourelle 100 is not limited to 4, and those skilled in the art possibly carry out other changes, is three like the quantity of rolling member.When rolling member is three, also can define two spigot surfaces that are parallel to each other or leading line.Specifically, wherein two rolling members define a spigot surface, thus with datum level (109; 111) cooperation in, the 3rd rolling member and surplus next datum level contact matching are in electric circular saw feeding process; The 3rd any time that rolling member contacts with datum level is line contact or some contact; The line of these some row or point all can form a unique spigot surface or leading line, so three rolling members still can form two spigot surfaces or leading line.
In two embodiment of the present invention, the central axis of roller is parallel all the time with the saw blade cut direction, and what guarantee the saw blade cutting is straight line.Any based on inventive concept of the present invention, the spigot surface of the guiding tourelle that is arranged on the electric tool base plate is overlapped match the purpose that reaches the electric tool cutting straight line all to belong to the scope of the present invention's protection with the datum level of standard.
Claims (10)
1. electric tool comprises:
Housing;
Be contained in the motor in the said housing;
By said motor-driven and be used to cut the cutting element of workpiece to be processed, cutting element has cut direction;
Base plate is connected with said housing and has an abutment face that is used to be resisted against on the workpiece to be processed;
It is characterized in that: said base plate is equipped with the guiding tourelle; Said guiding tourelle comprises at least two rolling members; Said rolling member at least one spigot surface of definition or leading line, said spigot surface or leading line can cooperate with the datum level perpendicular to said abutment face.
2. electric tool according to claim 1 is characterized in that: the axis that said rolling member can wind perpendicular to said abutment face rotates.
3. electric tool according to claim 1 is characterized in that: said spigot surface or leading line are projected in outside the said base plate in that workpiece to be processed is lip-deep.
4. electric tool according to claim 1 is characterized in that: first spigot surface or first leading line and second spigot surface or second leading line that said rolling member definition is parallel to each other.
5. electric tool according to claim 4 is characterized in that: said two spigot surfaces that are parallel to each other or the distance between the leading line can be regulated.
6. electric tool according to claim 4; It is characterized in that: said guiding tourelle comprises first rolling member, second rolling member, the 3rd rolling member and the 4th rolling member; Said first rolling member and the 3rd rolling member define said first spigot surface or first leading line, and said second rolling member and the 4th rolling member define said second spigot surface or second leading line.
7. electric tool according to claim 4 is characterized in that: said first spigot surface or first leading line and said second spigot surface or the projection of second leading line on said workpiece to be processed are all outside base plate.
8. electric tool according to claim 4 is characterized in that: said datum level is located on the standard, and said standard is between said first spigot surface or first leading line and second spigot surface or second leading line.
9. electric tool according to claim 4; It is characterized in that: said first rolling member is supported by first fixture; Said second rolling member is supported by second fixture, and said second fixture and said first fixture connect and can move with respect to said first fixture.
10. electric tool according to claim 9 is characterized in that: said first rolling member is provided with groove, and said second fixture can move along the longitudinally of said groove is exercisable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100675361A CN102689049A (en) | 2011-03-21 | 2011-03-21 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100675361A CN102689049A (en) | 2011-03-21 | 2011-03-21 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102689049A true CN102689049A (en) | 2012-09-26 |
Family
ID=46854877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100675361A Pending CN102689049A (en) | 2011-03-21 | 2011-03-21 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102689049A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437378A (en) * | 2014-08-28 | 2016-03-30 | 南京德朔实业有限公司 | Cutting tool |
| WO2018001385A1 (en) * | 2016-07-01 | 2018-01-04 | 苏州宝时得电动工具有限公司 | Cutting tool |
| CN107803554A (en) * | 2016-09-08 | 2018-03-16 | 苏州宝时得电动工具有限公司 | Cut annular saw |
| CN109465492A (en) * | 2017-09-08 | 2019-03-15 | 苏州宝时得电动工具有限公司 | Electric saw |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437378A (en) * | 2014-08-28 | 2016-03-30 | 南京德朔实业有限公司 | Cutting tool |
| WO2018001385A1 (en) * | 2016-07-01 | 2018-01-04 | 苏州宝时得电动工具有限公司 | Cutting tool |
| EP3479942A4 (en) * | 2016-07-01 | 2020-02-12 | Positec Power Tools (Suzhou) Co., Ltd | Cutting tool |
| US11027453B2 (en) | 2016-07-01 | 2021-06-08 | Positec Power Tools (Suzhou) Co., Ltd. | Cutting tool |
| CN107803554A (en) * | 2016-09-08 | 2018-03-16 | 苏州宝时得电动工具有限公司 | Cut annular saw |
| CN109465492A (en) * | 2017-09-08 | 2019-03-15 | 苏州宝时得电动工具有限公司 | Electric saw |
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Application publication date: 20120926 |