CN102632288A - Milling cutter with adjustable finish machining face - Google Patents
Milling cutter with adjustable finish machining face Download PDFInfo
- Publication number
- CN102632288A CN102632288A CN2012101123635A CN201210112363A CN102632288A CN 102632288 A CN102632288 A CN 102632288A CN 2012101123635 A CN2012101123635 A CN 2012101123635A CN 201210112363 A CN201210112363 A CN 201210112363A CN 102632288 A CN102632288 A CN 102632288A
- Authority
- CN
- China
- Prior art keywords
- axial
- angle
- milling cutter
- die cavity
- piece
- 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.)
- Granted
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The invention discloses a milling cutter with an adjustable finish machining face, comprising a cutter body, a cutting blade, an axial positioning block and a locking piece, wherein at least one of containing chambers capable of containing the axial positioning block are arranged on the cutter body, the axial positioning block is slidably arranged in the containing chambers, the cutting blade is arranged at one end of the axial positioning block and fixed by the locking piece, an axial driving hole is formed on the axial positioning block, the inner wall of the axial driving hole is provided with a pair of opposite axial positioning faces, the axial driving hole is internally and slidably provided with an adjusting block, the outer wall of the adjusting block is in close contact with a pair of the axial positioning faces, the adjusting block is connected with the cutter body by a dowel screw, the axial cross section of the cutter body which passes through the point of a knife of the cutting blade is a datum plane, and an inclined angle between the projection line of the central axis of the axial driving hole in the datum plane and the projection line of the central axis of the dowel screw in the datum plane is not equal to 0 degree. The milling cutter with the adjustable finish machining face has the advantages of being capable of being bilaterally adjusted, and being continuously, equivalently and gradually adjusted.
Description
Technical field
The present invention relates to the metal cutting manufacture field, relate in particular to adjustable polished surface milling cutter.
Background technology
In the metal cutting processing industry; Facing cut fine finishining is a difficult point always; The surface roughness of pursuing high request is the important development direction of cutting tool always; In order to realize that this purpose just needs the actual cut cutter to have the higher requirement of beating, and stabilized accuracy retentivity comparatively, this just has higher requirement for the cutter manufacturing.Therefore in order to reduce the difficulty that cutter is made, the facing cut finishing tool generally is made into adjustable structure.
Known a kind of adjustment structure in the present cut field; Comprise cutting insert, removable locating piece, wedge-shaped adjusting block and retaining mechanism; Push the oblique locating surface of removable locating piece through the inclined-plane of wedge-shaped adjusting block, thereby force removable locating piece to extend axially along cutter.
This structure usually is in course of adjustment because tiltedly the frictional force of locating surface is excessive; Thereby make removable locating piece generation angular deflection; Thereby directly influence the smoothing angle of wiper inserts, in the fine finishining field, the smoothing angle also is one of main factor that influences machined surface quality.This structure is merely able to carry out folk prescription usually to adjustment simultaneously, when adjustment surpasses the reference position, often needs manually it to be returned under the reference position, and then readjusts, and so just makes the adjustment of cutter become loaded down with trivial details and precise decreasing.
Patent documentation CN1046228C discloses a kind of cutting tool of adjusting structure; The removable tool rest of having inlayed cutting insert by two screw lock on tool matrix; An eccentric adjustment screw is as the adjustment structure; Thereby the rotation through off-centre adjustment screw changes the tangent position between eccentric adjustment screw and the removable tool rest, forces removable tool rest to be subjected to displacement along the tool axis direction, thereby reaches the purpose that the adjustment cutting insert is beated.This adjustment structure can realize two-way adjustment; But because the unique property of eccentric screw makes cutter its adjustment behavior that is in course of adjustment can't accomplish equivalent progressive adjustments; Be that the identical angle of eccentric screw rotation can't be accomplished equivalent amount of movement at axial direction, thereby can't estimate the adjustment precision level of this adjustment structure.
Summary of the invention
The technical problem that the present invention will solve is the deficiency that overcomes prior art, provides a kind of and can two-wayly adjust and the adjustable polished surface milling cutter of equivalent progressive adjustment continuously.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of adjustable polished surface milling cutter; Comprise cutter body, cutting tip, axial location piece and locking member; Said cutter body is provided with at least one containing cavity that can hold the axial location piece; Said axial location piece is slidedly arranged in the said containing cavity, and said cutting tip is installed in an end of axial location piece and fixes through said locking member, and said axial location piece is provided with axial drive hole; Said axial drive hole inwall is provided with the axial locating surface of pair of opposing; Be slidingly equipped with an adjustment piece in the said axial drive hole, the outer wall of said adjustment piece closely contacts with a pair of axial locating surface, and said adjustment piece is connected with cutter body through a double end screw; If crossing the axial section of the cutter body of said cutting tip point of a knife point is datum level, the angle between the projection line of central axis in datum level of projection line and the dowel screw of the centre bore axis of said axial drive hole in datum level is not equal to 0 degree.
The rotation direction of two sections screw threads of said dowel screw is opposite, and one section screw thread is connected with the adjustment piece, and another section screw thread is connected with cutter body.
Said axial location piece comprises slipper and following targeting part; Said axial drive hole is located at down on the targeting part, and said containing cavity is made up of last slip die cavity and following guiding die cavity and the adjustment empty avoiding die cavity of being convenient to install the adjustment piece, and said upward slip die cavity is the rectangular cavity of monolateral opening; Match with the bottom locating surface of last slip die cavity in said bottom surface of going up slipper; The said down guiding die cavity groove shape that takes the shape of the letter U communicates with last slip die cavity on the following guiding die cavity, and following guiding die cavity both sides are a pair of spigot surface; Said spigot surface is vertical with said bottom locating surface; And the rotation that is parallel to said cutter body, said targeting part both sides down are the guide-localization face of pair of parallel, said guide-localization face matches with spigot surface.
A said end of going up slipper is provided with the cutting tip locating slot, and said cutting tip is installed in the said cutting tip locating slot.
The centre bore axis of said axial drive hole and the angle of said guide-localization face are acute angle.
The angle theta of the centre bore axis of the central axis of said dowel screw and said axial drive hole is an acute angle.
Said angle and angle theta be complementary angle each other.
The angle of the rotation of said bottom locating surface and said cutter body is β, 0≤β≤30 °.
Compared with prior art, the invention has the advantages that:
Adjustable polished surface milling cutter of the present invention; Under the effect of dowel screw; The adjustment piece can be along the cutter body radial motion, because the axial drive hole at adjustment piece place and the angle of dowel screw between the projection line on the datum level are not equal to 0 degree, therefore; Can do axial displacement through axial drive hole driving axial locating piece when the adjustment piece is done radial motion, thereby reach the purpose that the adjustment cutting tip is beated; Simultaneously, axially the drive hole inwall is provided with the axial locating surface of pair of opposing, and the outer wall of adjustment piece closely contacts with a pair of axial locating surface, when the dowel screw rotating, can realize the two-way adjustment to the axial location piece, makes that adjustment is more convenient to operate; Because the adjustment piece drives through dowel screw; The relative motion of adjustment piece and axial location piece meets the wedge shape shifting principle, and therefore, the dowel screw revolution is crossed certain angle adjustment piece and produced certain axial displacement with regard to the driving axial locating piece; The rotational angle of dowel screw is directly proportional with the axial displacement of axial location piece; Thereby can accurately estimate the jitter values of cutting tip, realize equivalent progressive adjustment, finally reach the purpose that improves the milling cutter machining accuracy.The axial location piece through with cutter body on containing cavity accurately cooperate, make it obtain stable angle and guarantee, reduce its offset error greatly, improved the precision stability of smoothing angle.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side-looking structural representation of the present invention.
Fig. 3 is the partial schematic diagram of A-A section among Fig. 2.
Fig. 4 is a fractionation structural representation of the present invention.
Fig. 5 is the structure for amplifying sketch map of containing cavity on the cutter body among the present invention.
Fig. 6 is the perspective view of axial locating piece among the present invention.
Fig. 7 is the main TV structure sketch map of axial locating piece among the present invention.
Fig. 8 be among the present invention axially locating piece look up structural representation.
Fig. 9 is the structural representation of adjustment piece among the present invention.
Each label is represented among the figure:
1, cutter body; 2, cutting tip; 3, axial location piece; 4, locking member; 5, adjustment piece; 6, dowel screw; 11, containing cavity; 111, go up the slip die cavity; 112, the die cavity that leads down; 113, adjustment empty avoiding die cavity; 114, bottom locating surface; 115, spigot surface; 31, axial drive hole; 32, go up slipper; 33, following targeting part; 34, guide-localization face; 311, axial locating surface; 321, blade locating slot; C1, rotation; C2, centre bore axis; C3, central axis.
The specific embodiment
Fig. 1 to Fig. 9 shows a kind of adjustable polished surface milling cutter embodiment of the present invention, and this milling cutter comprises cutter body 1, cutting tip 2, axial location piece 3 and locking member 4, and cutter body 1 is provided with at least one containing cavity that can hold axial location piece 3 11; Axial location piece 3 is slidedly arranged in the containing cavity 11; Cutting tip 2 is installed in an end of axial location piece 3 and fixes through locking member 4, and axial location piece 3 is provided with axial drive hole 31, and axially drive hole 31 inwalls are provided with the axial locating surface 311 of pair of opposing; Axially be slidingly equipped with an adjustment piece 5 in the drive hole 31; The outer wall of adjustment piece 5 closely contacts with a pair of axial locating surface 311, and adjustment piece 5 is connected with cutter body 1 through a double end screw 6, and the rotation direction of 6 two sections screw threads of dowel screw is opposite; And one section screw thread is connected with adjustment piece 5; Another section screw thread is connected with cutter body 1, and the axial section of establishing the cutter body 1 of cutting tip 2 point of a knife points is a datum level, and axially the angle between the projection line of central axis C 3 in datum level of the projection line of the centre bore axis C2 of drive hole 31 in datum level and dowel screw 6 is not equal to 0 and spends; Under the effect of dowel screw 6; Adjustment piece 5 can be along cutter body 1 radial motion, can do axial displacement through axial drive hole 31 driving axial locating pieces 3 when adjustment piece 5 is done radial motion, thereby reaches the purpose that adjustment cutting tip 2 is beated; Simultaneously; Axially drive hole 31 inwalls are provided with the axial locating surface 311 of pair of opposing, and the outer wall of adjustment piece 5 closely contacts with a pair of axial locating surface 311, when dowel screw 6 rotatings; Can realize two-way adjustment, make that adjustment is more convenient to operate axial location piece 3; Because adjustment piece 5 drives through dowel screw 6; And adjustment piece 5 meets the wedge shape shifting principle with the relative motion of axial location piece 3, and therefore, dowel screw 6 revolutions are crossed certain angle adjustment piece 5 and produced certain axial displacement with regard to driving axial locating piece 3; The rotational angle of dowel screw 6 is directly proportional with the axial displacement of axial location piece 3; Thereby can accurately estimate the jitter values of cutting tip 2, realize equivalent progressive adjustment, finally reach the purpose that improves the milling cutter machining accuracy cutting tip 2.
In the present embodiment; Axial location piece 3 comprises slipper 32 and following targeting part 33; Axially drive hole 31 is located at down on the targeting part 33, and an end of last slipper 32 is provided with cutting tip locating slot 321, and cutting tip 2 is installed in the cutting tip locating slot 321; Containing cavity 11 is made up of last slip die cavity 111 and guiding die cavity 112 down and the adjustment empty avoiding die cavity 113 of being convenient to install adjustment piece 5, and last slip die cavity 111 is the rectangular cavity of monolateral opening, matches with the bottom locating surface 114 of last slip die cavity 111 in the bottom surface of last slipper 32; Under the die cavity 112 groove shape that takes the shape of the letter U that leads; Under die cavity 112 upper ends of leading communicate with last slip die cavity 111, following guiding die cavity 112 both sides are a pair of spigot surface 115, spigot surface 115 is vertical with bottom locating surface 114; And the rotation C1 that is parallel to cutter body 1; Following targeting part 33 both sides are the guide-localization face 34 of pair of parallel, and guide-localization face 34 matches with spigot surface 115, axial location piece 3 through with cutter body 1 on the accurate of containing cavity 11 cooperate; Making it obtain stable angle guarantees; Reduce its offset error greatly, improved the precision stability of smoothing angle, thereby further improve the machining accuracy of milling cutter.
In the present embodiment; Axially the centre bore axis C2 of drive hole 31 and the angle of guide-localization face 34 are acute angle; The central axis C 3 of dowel screw 6 is an acute angle with the angle theta of the centre bore axis C2 of axial drive hole 31; Angle and angle theta be complementary angle each other, and the resistance that such structure receives when making rotation dowel screw 6 is less, adjusts more easy and convenient.
In the present embodiment, bottom locating surface 114 is β with the angle of the rotation C1 of cutter body 1,0≤β≤30 °, the chip removal direction of this angle major control smear metal, present embodiment β=15 °.
Above-mentioned is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, under the situation that does not break away from technical scheme scope of the present invention, all the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to technical scheme of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all should drop in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1. adjustable polished surface milling cutter; Comprise cutter body (1), cutting tip (2), axial location piece (3) and locking member (4); Said cutter body (1) is provided with at least one containing cavity that can hold axial location piece (3) (11); Said axial location piece (3) is slidedly arranged in the said containing cavity (11); Said cutting tip (2) is installed in an end of axial location piece (3) and fixes through said locking member (4); It is characterized in that: said axial location piece (3) is provided with axial drive hole (31); Said axial drive hole (31) inwall is provided with the axial locating surface (311) of pair of opposing; Be slidingly equipped with an adjustment piece (5) in the said axial drive hole (31), the outer wall of said adjustment piece (5) closely contacts with a pair of axial locating surface (311), and said adjustment piece (5) is connected with cutter body (1) through a double end screw (6); If crossing the axial section of the cutter body (1) of said cutting tip (2) point of a knife point is datum level, the angle between the projection line of central axis (C3) in datum level of projection line and the dowel screw (6) of the centre bore axis (C2) of said axial drive hole (31) in datum level is not equal to 0 degree.
2. adjustable polished surface milling cutter according to claim 1 is characterized in that: the rotation direction of (6) two sections screw threads of said dowel screw is opposite, and one section screw thread is connected with adjustment piece (5), and another section screw thread is connected with cutter body (1).
3. adjustable polished surface milling cutter according to claim 1 and 2; It is characterized in that: said axial location piece (3) comprises slipper (32) and following targeting part (33); Said axial drive hole (31) is located at down on the targeting part (33); Said containing cavity (11) by last slip die cavity (111) and down guiding die cavity (112) be convenient to that the adjustment empty avoiding die cavity (113) of adjusting piece (5) is installed and form; The said slip die cavity (111) of going up be the rectangular cavity of monolateral opening, matches with the bottom locating surface (114) of last slip die cavity (111) in said bottom surface of going up slipper (32), the said following die cavity (112) that the leads groove shape that takes the shape of the letter U; Under lead die cavity (112) upper end communicate with last slip die cavity (111); Under die cavity (112) both sides of leading be a pair of spigot surface (115), said spigot surface (115) is vertical with said bottom locating surface (114), and is parallel to the rotation (C1) of said cutter body (1); Said targeting part (33) both sides down are the guide-localization face (34) of pair of parallel, and said guide-localization face (34) matches with spigot surface (115).
4. adjustable polished surface milling cutter according to claim 3 is characterized in that: a said end of going up slipper (32) is provided with cutting tip locating slot (321), and said cutting tip (2) is installed in the said cutting tip locating slot (321).
5. adjustable polished surface milling cutter according to claim 3 is characterized in that: the centre bore axis (C2) of said axial drive hole (31) is an acute angle with the angle of said guide-localization face (34).
6. adjustable polished surface milling cutter according to claim 4 is characterized in that: the centre bore axis (C2) of said axial drive hole (31) is an acute angle with the angle of said guide-localization face (34).
7. adjustable polished surface milling cutter according to claim 3 is characterized in that: the central axis (C3) of said dowel screw (6) is an acute angle with the angle theta of the centre bore axis (C2) of said axial drive hole (31).
8. adjustable polished surface milling cutter according to claim 6 is characterized in that: the central axis (C3) of said dowel screw (6) is an acute angle with the angle theta of the centre bore axis (C2) of said axial drive hole (31).
9. adjustable polished surface milling cutter according to claim 8, it is characterized in that: said angle and angle theta be complementary angle each other.
10. adjustable polished surface milling cutter according to claim 9 is characterized in that: the angle of the rotation (C1) of said bottom locating surface (114) and said cutter body (1) is β, 0≤β≤30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112363.5A CN102632288B (en) | 2012-04-17 | 2012-04-17 | Milling cutter with adjustable finish machining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112363.5A CN102632288B (en) | 2012-04-17 | 2012-04-17 | Milling cutter with adjustable finish machining face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102632288A true CN102632288A (en) | 2012-08-15 |
| CN102632288B CN102632288B (en) | 2014-01-15 |
Family
ID=46616967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210112363.5A Active CN102632288B (en) | 2012-04-17 | 2012-04-17 | Milling cutter with adjustable finish machining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102632288B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624309A (en) * | 2012-08-28 | 2014-03-12 | 株洲钻石切削刀具股份有限公司 | Milling cutter having fly-off prevention structure |
| CN103934495A (en) * | 2014-03-26 | 2014-07-23 | 株洲钻石切削刀具股份有限公司 | Face milling cutter |
| CN107199363A (en) * | 2017-07-12 | 2017-09-26 | 北京沃尔德金刚石工具股份有限公司 | A kind of facing cutter and the face milling cutters using the cutterhead |
| CN112916932A (en) * | 2021-03-03 | 2021-06-08 | 铣立(上海)切削技术有限公司 | Plane milling back chipping combined tool |
| CN112935360A (en) * | 2021-03-10 | 2021-06-11 | 山东大学 | Milling machine fly cutter capable of adjusting geometric angle of cutter and milling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123530A (en) * | 1993-04-27 | 1996-05-29 | 桑德维克公司 | Milling cutter head with serrated cartridges |
| WO2008116762A1 (en) * | 2007-03-23 | 2008-10-02 | It.Te.Di. S.R.L. | Milling cartridge and means for adjusting and locking it in a face mill |
| CN101378869A (en) * | 2006-02-03 | 2009-03-04 | 钴碳化钨硬质合金公司 | Combination tool and method for machining a bore and the surface of said bore, and cutting body for a combination tool of this type |
| CN102328124A (en) * | 2011-09-15 | 2012-01-25 | 庞勇 | Stepped chip breaking disk milling cutter |
| CN102413975A (en) * | 2009-06-26 | 2012-04-11 | 钴碳化钨硬质合金公司 | Method and device for precision machining of crankshafts or camshafts |
-
2012
- 2012-04-17 CN CN201210112363.5A patent/CN102632288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123530A (en) * | 1993-04-27 | 1996-05-29 | 桑德维克公司 | Milling cutter head with serrated cartridges |
| CN101378869A (en) * | 2006-02-03 | 2009-03-04 | 钴碳化钨硬质合金公司 | Combination tool and method for machining a bore and the surface of said bore, and cutting body for a combination tool of this type |
| WO2008116762A1 (en) * | 2007-03-23 | 2008-10-02 | It.Te.Di. S.R.L. | Milling cartridge and means for adjusting and locking it in a face mill |
| CN102413975A (en) * | 2009-06-26 | 2012-04-11 | 钴碳化钨硬质合金公司 | Method and device for precision machining of crankshafts or camshafts |
| CN102328124A (en) * | 2011-09-15 | 2012-01-25 | 庞勇 | Stepped chip breaking disk milling cutter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624309A (en) * | 2012-08-28 | 2014-03-12 | 株洲钻石切削刀具股份有限公司 | Milling cutter having fly-off prevention structure |
| CN103624309B (en) * | 2012-08-28 | 2016-04-20 | 株洲钻石切削刀具股份有限公司 | There is the anti-milling cutter flying structure |
| CN103934495A (en) * | 2014-03-26 | 2014-07-23 | 株洲钻石切削刀具股份有限公司 | Face milling cutter |
| CN103934495B (en) * | 2014-03-26 | 2016-03-23 | 株洲钻石切削刀具股份有限公司 | A kind of face milling cutters |
| CN107199363A (en) * | 2017-07-12 | 2017-09-26 | 北京沃尔德金刚石工具股份有限公司 | A kind of facing cutter and the face milling cutters using the cutterhead |
| CN107199363B (en) * | 2017-07-12 | 2023-10-27 | 北京沃尔德金刚石工具股份有限公司 | Face milling cutter head and face milling cutter using same |
| CN112916932A (en) * | 2021-03-03 | 2021-06-08 | 铣立(上海)切削技术有限公司 | Plane milling back chipping combined tool |
| CN112935360A (en) * | 2021-03-10 | 2021-06-11 | 山东大学 | Milling machine fly cutter capable of adjusting geometric angle of cutter and milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102632288B (en) | 2014-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1980762B (en) | Cutting insert for high-speed milling cutter | |
| CN100479959C (en) | Cutting tool | |
| CN102632288B (en) | Milling cutter with adjustable finish machining face | |
| KR102351870B1 (en) | Rotary cutting tool and reversible cutting insert having variable-width minor relief surfaces therefor | |
| US8708616B2 (en) | Rotary cutting tool and reversible cutting insert therefor | |
| KR101972178B1 (en) | Octagonal cutting insert having edge portion with variable wedge angle, and cutting tool | |
| US6158927A (en) | Milling cutter | |
| KR100887787B1 (en) | Cutting insert | |
| CN100467239C (en) | Cutting insert with elliptical cutting edge | |
| US8708615B2 (en) | Cemented carbide insert as well as a cemented carbide blank for the manufacture of such cutting inserts | |
| CN103418823B (en) | A kind of blade for Milling Process and supporting milling cutter thereof | |
| CN101180147B (en) | Tool with fine adjustment | |
| CN102802848B (en) | Double-sided double-ended cutting insert and cutting tool therefor | |
| CN103619518A (en) | Indexable cutting insert for milling | |
| KR102400417B1 (en) | Double-sided high feed milling insert, high feed milling tool and method | |
| JP2010528884A (en) | Tool for machining chip removal type and its body and indexable cutting insert | |
| KR20050109573A (en) | A milling tool with co-operating projections and recessess between the cutting insert and the holder | |
| WO2014007407A1 (en) | Cutting insert with replaceable cutting edge for milling | |
| CN102271848B (en) | Cutting tool having an adjustment mechanism | |
| JP6817717B2 (en) | Milling cutters, cutting inserts and milling methods | |
| CN107000076A (en) | Tool for chip removing machining and cutting tip | |
| EP2998053B1 (en) | Rotary cutting tool and reversible cutting insert having variable-width minor relief surfaces therefor | |
| CN102271846B (en) | Machine tool having adjustable plate element | |
| JP2021522074A (en) | Turning insert | |
| US7264425B1 (en) | Tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |