CN1459577A - Bicycle jointing part structure - Google Patents
Bicycle jointing part structure Download PDFInfo
- Publication number
- CN1459577A CN1459577A CN 02121602 CN02121602A CN1459577A CN 1459577 A CN1459577 A CN 1459577A CN 02121602 CN02121602 CN 02121602 CN 02121602 A CN02121602 A CN 02121602A CN 1459577 A CN1459577 A CN 1459577A
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- mentioned
- packing ring
- engagement portion
- locking nut
- bowl
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- 238000012856 packing Methods 0.000 claims description 87
- 210000001503 joint Anatomy 0.000 claims description 53
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005452 bending Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000009527 percussion Methods 0.000 description 8
- 241000723353 Chrysanthemum Species 0.000 description 4
- 235000007516 Chrysanthemum Nutrition 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001125877 Gobio gobio Species 0.000 description 1
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
A structure of middle join unit for bicycle is disclosed. Two bowls for installing crank shaft are turned in both sides of said middle join unit on frame. The said middle join unit is composed of washers between middle join unit and lock nut, internal and external lock nut jams, internal and external middle join unit jams, bowl jam, and washer jam. Its advantages are high effect on prevent lossening of middle join unit, and low cost.
Description
Technical field
The present invention relates to a kind ofly, particularly, connect the structure of portion in the present invention relates to that a kind of bowl that can prevent axle crankshaft drops as connecing the structure of portion in being installed on the cycle frame main body.
Background technique
In the past, had with meeting portion in the bowl axle supporting crankshaft that screws in middle joint (gudgeon).Because such middle jointing part structure is because initial stage abrasion and occur easily rocking, and because of its device on the cycle frame main body, so the influence of the vibration when this structure is subjected to the bicycle driving increases.For this reason, although powerful tightening the screw exists along with the driving use to make the loosening problem of described bowl.
To becoming flexible of such bowl, the someone proposes such method that prevents: coat Bond in bowl after it is screwed in middle joint.
Yet, when stating the method for Bond in the use, assembling operation must time (the number of working processes) increase, and during described operating cost, trouble.In addition, if the consumption of Bond is too much, then remaining Bond is set in middle joint inside, hinders the rotation of crankshaft thus.And described Bond consumption is very few, and then its bond effect is very little, thereby has the problem can't bring into play bond effect, to prevent the poor effect become flexible.
In addition, owing to can sticking pay oil on bowl and the middle joint, therefore, though use Bond, its bond effect is very little.
The present invention relates to a kind ofly easily assembledly rapidly and can give full play to the middle jointing part structure that prevents loosening effect, the objective of the invention is to: reduce manufacture cost, reduce the price of bicycle, to improve Consumer's satisfaction.
Summary of the invention
The present invention is a kind of like this structure; Two bowls that installation shaft is supported crankshaft screw in and are installed in the middle joint both sides of installing on the cycle frame, and described middle joint is screwed in the above-mentioned pea at least one from the outside, and it is characterized in that: jointing part structure comprises in described:
By with packing ring in the middle of above-mentioned middle joint and locking nut, prevent that at this packing ring internal side diameter device locking nut from screwing in the internal side diameter engagement portion that the aforementioned bowl of side rotates;
Prevent the inboard engagement portion that middle joint rotates at the inboard device of this packing ring;
Prevent the engagement portion, the outside that locking nut rotates at this packing ring outside device;
The bowl side engagement portion that device engages with above-mentioned packing ring internal side diameter engagement portion on a part of garden side face of above-mentioned bowl of locking nut screw-in side;
In the middle joint side engagement portion that above-mentioned middle joint outside device engages with the inboard engagement portion of above-mentioned packing ring;
In the locking nut side engagement portion that the inboard device of above-mentioned locking nut engages with the engagement portion, the outside of above-mentioned packing ring.
Thus, with simple structure and operation thereof, can prevent that promptly locking nut from screwing in the bowl of side and becoming flexible of locking nut, can produce the middle cheaply jointing part structure that needn't repeat to maintain and can use for a long time.
The bowl of above-mentioned locking nut screw-in side comprises the left side bowl by the left side (not having the chain side) of bicycle, and/or the right bowl of structure that is constituted on right side.
Above-mentioned packing ring comprises by the tabular common structure that packing ring and spring washer constituted.
Above-mentioned internal side diameter engagement portion comprises the projection that the part of packing ring internal side diameter is formed convex, or with structure that groove constituted that forms spill of internal side diameter, one one of this internal side diameter comprises the structure that is made of the part more than 1,2 and 2.
Above-mentioned inboard engagement portion comprises: use percussion, crooked, method such as push, make packing ring can do outstanding distortion and the part of the packing ring that forms towards inboard (middle joint) side, or by the structure that inner side surface constituted of the packing ring that has formed concaveconvex shapes such as chrysanthemum seat, projection.
Engagement portion, the above-mentioned outside comprises: use percussion, crooked, method such as push, make packing ring towards the outside (locking nut) side can do outstanding distortion and the part of the packing ring that forms, or by the structure that outer side surface constituted of the packing ring that has formed concaveconvex shapes such as chrysanthemum seat, projection.
Above-mentioned bowl side engagement portion comprises: by the above-mentioned packing ring internal side diameter of engaging engagement portion groove and the structure that constituted of projection.
Above-mentioned middle joint engagement portion comprises: by form the structures that concaveconvex shape constituted such as groove, projection or chrysanthemum seat at outer side surface.
Above-mentioned middle joint comprises: but by the structure that nut constituted of spiral in the bowl of locking nut spiral sides.
Above-mentioned locking nut side engagement portion comprises: by forming groove or projection in the profile side, forming the structures that concaveconvex shape constituted such as groove, projection or chrysanthemum seat at inner side surface.
As desirable example, the engagement groove of above-mentioned bowl side engagement portion by the outside of the described bowl that is formed at the locking nut spiral sides can be constituted, above-mentioned packing ring internal side diameter engagement portion is made of the engaging protrusion that is formed at this packing ring internal side diameter.
Thus, can be formed for preventing the bowl of locking nut spiral sides and the engagement portion that packing ring rotates by the simple structure of easy moulding.
As another desirable example, can screw under the state of described middle joint at described bowl the locking nut spiral sides, described engagement groove is formed laterally highlightedly from described middle joint, make the tab-like structure that elastic force takes place that becomes of engaging of described packing ring.
The structure of above-mentioned generation elastic force comprises the structure that is made of following: comprise above-mentioned engaging protrusion, form packing ring with flexible metallic material, by the spiral of locking nut, above-mentioned engaging protrusion produces elastic force thus by above-mentioned engagement groove lateral bending song outward.
By described structure, can give elastic force to locking nut by packing ring, raising prevents the effect that locking nut drops.
Again as desirable example, above-mentioned locking nut side engagement portion is made of the cut-in groove that is formed at the outside, the inboard engagement portion that makes above-mentioned packing ring is formed on the opposed in opposite directions position with above-mentioned locking nut engagement portion under external force deformation, and it is outstanding that it can be formed under external force deformation.
Above-mentioned external force deformation comprises percussion distortion, the bending deflection that is bent to form, push formation by compressive strain.
Thus, can with the location independent ground of packing ring and middle joint, on the position that is formed at the cut-in groove on the middle joint, can positively prevent the rotation of packing ring and middle joint.
Again, as desirable example, above-mentioned locking nut side engagement portion is made of the cut-in groove that is formed at above-mentioned locking nut side side, the engagement portion, the outside that makes above-mentioned packing ring is under external force deformation, be formed on the opposed in opposite directions position with above-mentioned locking nut side engagement portion, make it can under external force deformation, give prominence to formation.
Above-mentioned external force deformation comprises percussion distortion, the bending deflection that is bent to form, push formation by compressive strain.
Thus, can with the location independent ground of packing ring and locking nut, be threaded onto at fastening screw under the state of locking nut, on the position that is formed at the locking nut cut-in groove, can positively prevent the rotation of packing ring and middle joint.
In addition, the present invention the opposing face of middle joint can make the engagement groove that can engage the internal side diameter engagement portion that is formed at the packing ring internal side diameter in the bowl used of the portion of connecing.
Thus, can make the internal side diameter engagement portion that is formed at the packing ring internal side diameter carry out actual engaging with bowl.
According to the present invention, can be by being shaped easily and assembling is easy to structure, connect the structure of portion in providing that a kind of bowl that can prevent the locking nut side really and locking nut become flexible, enhance productivity, reduced cost.Improve bicycle MANUFACTURER and bicycle Consumer's satisfaction.
Again,, can prevent the bowl of locking nut side and becoming flexible of locking nut really, prevent that bicycle from producing the accident of becoming flexible and causing in driving, can improve Security according to the present invention.
The simple declaration of accompanying drawing
Fig. 1 is the left side view of bicycle.
Fig. 2 connects the exploded perspective view of portion in being.
Fig. 3 connects the back side sectional view of portion in being.
Fig. 4 meets the assembling instruction figure of portion in being.
Fig. 5 meets the assembling instruction figure of portion in being.
Fig. 6 connects the stereogram of portion in being.
Fig. 7 is for connecing the exploded perspective view of portion in other examples.
Fig. 8 is the back side sectional view of other examples.
Fig. 9 is the stereogram of other examples.
Among the figure, 1 is bicycle, and 2 is the bicycle main body frame, 3 meet portion in being, 4 is crankshaft, and 30 is middle joint, 31 is the middle joint engagement groove, and 40 is left side bowl, and 41 is left side bowl engagement groove, 50 is packing ring, and 51 is projection, and 52 is annulus, 53 is packing ring right side projection, 54 is packing ring left side projection, and 60 is locking nut, and 61 is the locking nut engagement groove.
The working of an invention mode
Below, with a description of drawings example of the present invention.
Fig. 1 is the left side view of bicycle 1, at the lower device of main body of vehicle frame 2 inserted crankshaft 4 in meet portion 3.
Meet portion 3 in being somebody's turn to do, shown in the exploded view of being looked from the upper left side, the back side of Fig. 2, constituted by each following component.
That is, pack right side bowl 20 spirals into middle joint 30 and locate, crankshaft 4 is inserted from left, left side bowl 40 is threaded into above-mentioned middle joint 30, the above-mentioned crankshaft 4 of axle supporting then, with packing ring 50 between above-mentioned left side bowl 40, spiral installation locking nut 60 then.
On the left surface of above-mentioned middle joint 30, make the part of the annulus 52 (following) of the above-mentioned packing ring 50 outstanding external force deformation of direction of turning right, at this moment, just form the middle joint engagement groove 31 that protuberance therewith fastens.Again, this middle joint engagement groove 31 also can be formed at plural a plurality of part.
At the left surface of above-mentioned left side bowl 40, when spiral was installed on the middle joint 30, engaging had anchor clamps.And, be equipped with the left side bowl engagement groove 41,41 that can engage with set projection 51 on the above-mentioned packing ring 50.The degree of depth of this left side bowl engagement groove 41 forms the addition of the thickness of the thickness of packing ring 50 and locking nut 60, therefore, by form its depth ratio than the anchor clamps spiral must the also big groove of the degree of depth of necessity, can make packing ring become possibility with engaging of engaging protrusion 51.
Above-mentioned packing ring 50 forms packing ring engaging protrusion 51 on as the internal side diameter of the annulus 52 of main body of vehicle frame.
Because above-mentioned packing ring engaging protrusion 51 engage with an above-mentioned left side bowl engagement groove 41, therefore, can form its width roughly with the identical and embeddable fabric width of groove width of above-mentioned left bowl engagement groove 41.In addition, in this example, above-mentioned packing ring engaging protrusion 51 is to be arranged at two places, but also can only be formed at a place.
Above-mentioned annulus 52 forms certain thickness, so that its left surface and right flank become the plane, and, make it can on any position, carry out percussion distortion, the external force deformation of bending deflection etc.
After the periphery spiral of above-mentioned locking nut 60 is packed bowl 40 into, the part of the annulus 52 of above-mentioned packing ring 50 is out of shape and is made outstandingly toward the left direction percussion, at this moment, the locking nut engagement groove that fastens with this variant part is formed at six places.
Above each part combination, crankweb 5,5 is installed in crankshaft 4, shown in the sectional view of looking from the back side of Fig. 3 like that, in connect portion's 3 assemblings and finish.
At a plurality of steel balls 7 of inboard device of right bowl 20 and left side bowl 40, by getting involved described steel ball 7, accept described crankshaft 4, the friction factor in the time of can reducing rotation.
In bowl 40 outsides, a left side, make cover 70 with resin material, to cover packing ring 50 and locking nut 60.Yet this cover 0 also can omit, so that reduce cost.
From above structure, can obtain having prevent mechanism that left side bowl 40 and locking nut 60 drop in meet portion 3.
Secondly, just as the deformation procedure of the packing ring 50 of the above-mentioned mechanism's main points that prevent to drop, the explanatory drawing with reference to the portion that therefrom connects 3 back sides of Fig. 4 and Fig. 5 are looked describes.
At first, shown in Fig. 4 (A), right bowl 20 is packed in middle joint 30, insert crankshaft 4 then, left side bowl 40 is screwed in the fixed position securely.
And for example above-mentioned right bowl 40 is enlarged shown in (B) that represents, packing ring 50 is connected bowl 40 left.At this moment, the projection 51 (Fig. 2) of packing ring 50 fastens with the left side bowl engagement groove 41 of left side bowl 40.Left side bowl 40 and packing ring 50 are in mutual non-rotating state.
Secondly, shown in (C), securely locking nut 60 is screwed in left side bowl 40.
At this moment, observe the position of the chain of bicycle 1, whether the position at its each position is accurate, adjusts chain afterwards and tightens up state.
Here, shown in Fig. 5 (D), on middle joint engagement groove 31 pairing positions, be inserted in the anchor clamps of Flathead screwdriver shape among the slit of the annulus 52 of packing ring 50 and described locking nut 60, and push over to middle joint engagement groove 31 sides (right side), make packing ring 50 towards the bent distortion of middle joint engagement groove 31 lateral bendings.
By this, 31 engagings of the above-mentioned packing ring right side projection 53 that forms by bending deflection and above-mentioned middle joint engagement groove, can make middle joint engagement groove 31, packing ring 51, and left side bowl 40 be fixed on the position, and mutual rotation does not take place.When forming the occasion of a plurality of middle joint engagement grooves 31, on corresponding respectively position,, form a plurality of packing rings right side projection 53 annulus 52 bending deflections again.
As figure (E) shown in, on any one corresponding position of locking nut engagement groove 61, with overshooting shape anchor clamps annulus 52 from right side percussion packing ring 50, make the packing ring left side projection 54 and above-mentioned locking nut engagement groove 61 engagings that by percussion form thereafter.
By this, can make middle joint engagement groove 31, packing ring 50, left bowls and chopsticks 40 add 60 generation revolutions of locking nut, 1 ground is fixed on the position.Again, above-mentioned packing ring left side projection 54 also can with above-mentioned locking nut engagement groove 61 accordingly, be formed at many places.
According to above program, shown in the stereogram (side view) that the upper left side, the back side of Fig. 6 is looked, left side bowl 41 projections 51 by packing ring 50, middle joint 30 is by the packing ring right side projection 53 of packing ring 50, and locking nut 60 is by packing ring left side projection 54, respectively by stall.
By this, in meet portion 3 each parts can prevent that because wearing and tearing, vibration can overcome owing to the caused fault of loosening reason with the loosening phenomenon that reasons such as impact cause, the state of affairs of part loss etc. can long-standingly be used safely.
Install at spiral intactly on the position of left side bowl 40 and locking nut 60, in order on the relevant position, to form packing ring right side projection 53 and packing ring left side projection 54, after the rotation situation of confirming crankshaft 4, left side bowl 40 and locking nut 60 are installed, implement preventing to become flexible in this position.
That is, projection is set, this protrusions snap in middle joint 31 and locking nut engagement groove 61, as is adopted this method, then on opposite position, do not have the effect of becoming flexible of preventing such as periphery at packing ring 50.Although it is restricted that spiral is installed degree, according to the present invention, can be without barrier confirmed on the optimal position of turn state fixing.
As mentioned above because carry out spiral under the situation and install optimal tightening up, so the invention provides prevent the high function become flexible in meet portion 3.
Again, the degree of depth of left side bowl engagement groove 41, when packing into left side bowl 40 spirals in middle joint 30, the bottom surface of above-mentioned left side bowl engagement groove 41 can form the outside that is positioned at middle joint 30.At this moment, shown in the exploded view that Fig. 7 is looked from upper left side, the back side, the degree of depth of the outer circumferential side of left side bowl engagement groove is big, again, this moment packing ring 50 preferably by after bending still the elastic metallic material of resilient form.
The sectional view of looking from the back side as Fig. 8, and the stereogram of being looked as upper left side, Fig. 9 back side is (for ease of explanation, omit diagram locking nut 60) shown in, by packing ring 50, locking nut 60 spirals are packed in left side bowl 40, at this moment, projection 51 is stopped and past left direction resiliently deformable at left side bowl engagement groove 41, by the elastic force of returning the original place locking nut 60 is pushed away toward lateral direction.
Although do not make left side bowl engagement groove 41 outstanding toward the outside of middle joint 30, as bending that the projection 51 of packing ring 50 is turned right in advance, then install by the spiral of locking nut 60, the curved part of above-mentioned projection 51 is by resiliently deformable, and locking nut 60 can prevent to fall by elastic force.
Again, on the annulus 52 of packing ring 50, form a plurality of switch-in parts at radial direction, when external force deformation, described incision part also can be done outstanding formation.
Again, right bowl 20 also can be as left side bowl 40, uses packing ring 50 and locking nut 60 and forms and prevent the structure of rotating.
Structure of the present invention is corresponding with above-mentioned example, in looking corresponding relation,
Middle joint side of the present invention engagement portion is corresponding with the middle joint engagement groove 31 of example, and is same,
Bowl is corresponding with left side bowl 40,
Bowl side engagement portion and engagement groove thereof be corresponding to left side bowl engagement groove 41,
The internal side diameter engagement portion is corresponding to projection 51,
Engaging protrusion returns 51 corresponding to projection,
Inboard engagement portion is corresponding to annulus 52 and packing ring right side projection 53 thereof,
Engagement portion, the outside is corresponding to annulus 52 and packing ring thereof left side projection 54,
Locking nut side connecting part is corresponding to locking nut engagement groove 61,
In jointing part structure corresponding to by assembling crankshaft 4, right bowl 20, middle joint 30, left side bowl 40, packing ring 50, and the structure formed of locking nut 60.
The present invention is not subjected to being construed as limiting of above-mentioned example, and can have a plurality of examples.
Claims (6)
1. jointing part structure in the bicycle, two bowls that crankshaft supports with installation shaft in described structure system screw in and are installed in the middle joint both sides of installing on the cycle frame, described middle joint is screwed in the above-mentioned pea at least one from the outside, it is characterized in that: jointing part structure comprises in described:
By with packing ring in the middle of above-mentioned middle joint and locking nut, prevent that at this packing ring internal side diameter device locking nut from screwing in the internal side diameter engagement portion that the aforementioned bowl of side rotates;
Prevent the inboard engagement portion that middle joint rotates at the inboard device of this packing ring;
Prevent the engagement portion, the outside that locking nut rotates at this packing ring outside device;
The bowl side engagement portion that device engages with above-mentioned packing ring internal side diameter engagement portion on a part of garden side face of above-mentioned bowl of locking nut screw-in side;
In the middle joint side engagement portion that above-mentioned middle joint outside device engages with the inboard engagement portion of above-mentioned packing ring;
In the locking nut side engagement portion that the inboard device of above-mentioned locking nut engages with the engagement portion, the outside of above-mentioned packing ring.
2. jointing part structure in the bicycle as claimed in claim 1 is characterized in that,
The engagement groove that is formed at the above-mentioned bowl outside with the locking nut spiral sides constitutes above-mentioned bowl side engagement portion;
Constitute the internal side diameter engagement portion of above-mentioned packing ring with the engaging protrusion that is formed at described packing ring internal side diameter.
3. jointing part structure in the bicycle as claimed in claim 2 is characterized in that,
Screw under the state of described middle joint at described bowl, described engagement groove is formed laterally highlightedly from described middle joint, make the tab-like structure that elastic force takes place that becomes of engaging of described packing ring the locking nut spiral sides.
4. as jointing part structure in claim 1,2, each described bicycle of 3, it is characterized in that,
Above-mentioned locking nut side engagement portion is made of the cut-in groove that is formed at the outside,
The inboard engagement portion that makes above-mentioned packing ring is formed on the opposed in opposite directions position with above-mentioned locking nut engagement portion under external force deformation, and it is outstanding that it can be formed under external force deformation.
5. as jointing part structure in each described bicycle of claim 1-4, it is characterized in that,
Above-mentioned locking nut side engagement portion is made of the cut-in groove that is formed at above-mentioned locking nut side side,
The engagement portion, the outside that makes above-mentioned packing ring is formed on the opposed in opposite directions position with above-mentioned locking nut side engagement portion under external force deformation, makes it can give prominence to formation under external force deformation.
6. the portion of connecing is characterized in that with bowl in the bicycle, and described bowl is being formed with the engagement groove that can engage with the formed internal side diameter of packing ring internal side diameter engagement portion with the middle joint reverse side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021216029A CN100357623C (en) | 2002-05-20 | 2002-05-20 | Bicycle jointing part structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021216029A CN100357623C (en) | 2002-05-20 | 2002-05-20 | Bicycle jointing part structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1459577A true CN1459577A (en) | 2003-12-03 |
| CN100357623C CN100357623C (en) | 2007-12-26 |
Family
ID=29427067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021216029A Expired - Fee Related CN100357623C (en) | 2002-05-20 | 2002-05-20 | Bicycle jointing part structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100357623C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578033C (en) * | 2004-08-04 | 2010-01-06 | 株式会社山本制作所 | Bearing structure |
| CN105257713A (en) * | 2015-11-03 | 2016-01-20 | 江苏超力电器有限公司 | Novel bearing fastening device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558537Y2 (en) * | 1991-05-02 | 1997-12-24 | 株式会社シマノ | Bicycle crankshaft unit |
| CN2170909Y (en) * | 1993-07-06 | 1994-07-06 | 裕盛交通器材企业股份有限公司 | Toothless front fork cup assembly for bicycle |
| CN2203953Y (en) * | 1994-08-26 | 1995-07-26 | 陈家庆 | Axle structure of bicycle pedals |
| JPH09175468A (en) * | 1995-12-27 | 1997-07-08 | Sanwa Jitensha Kogyo Kk | Hanger part for bicycle |
-
2002
- 2002-05-20 CN CNB021216029A patent/CN100357623C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578033C (en) * | 2004-08-04 | 2010-01-06 | 株式会社山本制作所 | Bearing structure |
| CN105257713A (en) * | 2015-11-03 | 2016-01-20 | 江苏超力电器有限公司 | Novel bearing fastening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100357623C (en) | 2007-12-26 |
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Granted publication date: 20071226 Termination date: 20150520 |
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