CN1276490A - Cranshaft bearing structure - Google Patents
Cranshaft bearing structure Download PDFInfo
- Publication number
- CN1276490A CN1276490A CN 00108771 CN00108771A CN1276490A CN 1276490 A CN1276490 A CN 1276490A CN 00108771 CN00108771 CN 00108771 CN 00108771 A CN00108771 A CN 00108771A CN 1276490 A CN1276490 A CN 1276490A
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- CN
- China
- Prior art keywords
- bent axle
- crankcase
- mentioned
- along
- bearing
- 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.)
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
To suppress looseness of a bearing, improve durability, and suppress dispersion of transmission of vibration noise by positioning an axial direction of a crankshaft so as to assemble an inner wheel of a bearing with the crankshaft, and assemble an outer wheel with a crankcase. An engine is provided with two engine blocks 32, 33 divided at a split surface 30 along a crankshaft 31. The crankshaft 31 is rotatably supported to a crankcase 29 through a ball bearing 84 disposed on a position where a crank pin 28 is held. A plurality of balls 87 is interposed between an outer wheel 85 and an inner wheel 86, in the ball bearing 84. In this case, the inner wheel 86 is assembled with the crankshaft 31 by setting a position along an axial direction of the crankshaft 31. A restrict member 94 is engaged with an engaging groove 92, a position along an axial direction of the crankshaft 31 is set, and thereby, the outer wheel 84 is held between a crankcase half part 322 and an engine block 33.
Description
The present invention relates to the supporting construction of bent axle.
In the prior art, in the alienable crankcase in plane of rotational axis that contains bent axle, opened by for example real fair 7-52413 communique and shown by the structure of a pair of ball bearing supporting crankshaft.
In above-mentioned existing structure, a pair of ball bearing is configured in the position of holding crank pin to each other under the arm, the outer shroud of a bearing in this a pair of ball bearing is assembled on the crankcase with the certain position along the axial direction of bent axle, be not located between the outer shroud of another one ball bearing and crankcase along the device of the position of the axial direction location outer shroud of bent axle, the axial position of above-mentioned another one ball bearing is clipped by the crank arm of bent axle or crankpin and crankcase and is positioned.Therefore, might become big because of assembling makes along the deviation of the relative position of the above-mentioned another one ball bearing of the axial direction of bent axle and crankcase, thereby the durability of causing ball bearing reduces, and also might make to disturb the fluctuation degree (ば ら つ I) that sound transmits by the outburst vibration towards crankcase that load brought and become big.
The present invention In view of the foregoing makes, its objective is provides a kind of rolling momentum along the crankshaft center line direction with bearing to be controlled in the required scope, has improved the durability of bearing and has suppressed the supporting construction of the bent axle of the fluctuation degree that vibrating noise transmits.
In order to achieve the above object, the supporting construction of the bent axle of the application's the 1st invention is freely supporting bent axle by the bearing rotation that is configured in the position that clips crank pin each other on the alienable crankcase in plane of the spin axis that contains bent axle.It is characterized in that the interior ring of above-mentioned each bearing relatively immovably is assembled on the bent axle along the axial direction of above-mentioned bent axle with being positioned, the outer shroud of above-mentioned each bearing can not be assembled on the above-mentioned crankcase relatively movably along the ground, axial direction location of above-mentioned bent axle.
According to such structure, be disposed at the bearing of both sides of crankpin and definite and be clipped between bent axle and the crankcase along bent axial relative position with crankcase, thereby the rolling momentum along the bearing of the direction of the axis of bent axle can be controlled in the required scope, can improve the durability of bearing, and, can suppress the fluctuation of transmitting, to abate the noise by the vibrating noise that outburst load is produced towards crankcase.
In addition, the application's the 2nd invention is on the basis of structure of above-mentioned the 1st invention, it is characterized in that along the position of above-mentioned each outer shroud of the axial direction of above-mentioned bent axle it being that the limiting member of periphery of the outer shroud by will being installed in them combines with crankcase and is determined.According to such structure, can be simply and the management of precision highland along the position of each bearing on the direction of the axis of bent axle with respect to crankcase.
The supporting construction of the bent axle of the application's the 3rd invention is on the basis of above-mentioned the 1st invention or the 2nd invention, it is characterized in that, along each outer shroud on the direction of the axis of above-mentioned bent axle and the central position encircled in each is to be set the position of staggering mutually at the axial direction along bent axle under the situation of the thermal expansion difference of having considered crankcase that material is different and bent axle, according to such structure, owing to the position of making decision each outer shroud and encircling in each in the situation of the mutual different thermal expansion differences that produce of the material of having considered crankcase and bent axle, therefore, can improve the durability of bearing and prevent to produce noise more effectively.
Fig. 1 is the unitary side view of motor scooter type motor-driven cart.
Fig. 2 be Fig. 1 want portion's enlarged view.
Fig. 3 is the 3-3 sectional view of Fig. 2.
Fig. 4 is that the 4-4 of Fig. 3 is to view.
Fig. 5 be Fig. 3 want portion's enlarged view.
Fig. 6 is the 6-6 sectional view of Fig. 5.
The following explanation of the one embodiment of the invention shown in reference to the accompanying drawings the invention process form.
Fig. 1～Fig. 6 represents one embodiment of the invention, and Fig. 1 is the unitary side view of motor scooter type motor-driven cart, Fig. 2 be Fig. 1 want portion's enlarged view, Fig. 3 is the 3-3 sectional view of Fig. 2, Fig. 4 be the 4-4 of Fig. 3 to view, Fig. 5 be Fig. 3 want portion's enlarged view, Fig. 6 is the 6-6 sectional view of Fig. 5.
At first, in Fig. 1 and Fig. 2, motor scooter type motor-driven cart V has by the front-wheel Wf of Joystick 11 steerings and the trailing wheel Wr that driven by swing type power unit P, the vehicle frame F three of this two-wheeled V is divided into preceding framework 12, intermediate frame 13 and back framework 14, and preceding framework 12 is by having head pipe 12 integratedly
1, falling tube 12
2And pedal bottom plate support 12
3The aluminium alloy casting product constitute.Constitute by the aluminium alloy casting product by pivot 15 intermediate frame 13 that freely supports power unit P that fluctuates, and be incorporated into above-mentioned before the rear end of framework 12.The back framework 14 that extends to the back upper place of power unit P is made of the tubing of ring-type, and fuel tank 16 supportings in the above.Upper support safety helmet case 17 on intermediate frame 13, is opened and closed by the cover 19 that has vehicle seat 18 integratedly and is freely covering safety helmet case 17 and fuel tank 16.
Power unit P is that binding engine E and Belt-type Adjustable-speed machine T form integratedly, and this motor E is with the water cooling type single cylinder four stroke engine of cylinder towards the configuration of ground, car body the place ahead.Above-mentioned variable-speed motor T, is incorporated on the rear end of intermediate frame 13 by posterior bumper 20 above the rear portion of Belt-type Adjustable-speed machine T to the car body rear extension from the left surface of motor E.The top upper support of Belt-type Adjustable-speed machine T air-strainer 21, baffler 22 at the right flank upper support of Belt-type Adjustable-speed machine T, and upper support the master bracket 23 that can stand up, lodge below motor E.
In Fig. 3, Fig. 4, motor E has the 1st engine pack 32 and the 2nd engine pack 33, the 1 engine packs 32 cut apart by the parting plane 30 that extends to vertical along bent axle 31 and constitutes cylinder block 32
1With crankcase half one 32
2, the 2nd engine pack 33 constitutes other half one of crankcase 29, and promptly crankcase 29 can be cut apart by the plane of the rotational axis that contains bent axle 31.
At the front end of the 1st engine pack 32 in conjunction with cylinder head 34, at the front end of cylinder head 34 in conjunction with housing 35, on the right flank of the 1st and the 2nd engine pack 32,33 in conjunction with generating hood 36.
Belt-type Adjustable-speed machine T has right side casing 37 and the left side casing 38 that mutually combines, and the anterior right flank of right side casing 37 is combined on the left surface of the 1st and the 2nd engine pack 32,33.In addition, on the rear portion right flank of right side casing 37 in conjunction with reducer shell 39.
Be embedded in the inside of the cylinder 41 that the 1st engine pack 32 had piston 42 free slidings, this piston 42 links with bent axle 31 by connecting rod 43 and crankpin 28, camshaft 44 is freely being supported in rotation on cylinder head 34, is located at Aspirating valves on the cylinder head 34 and outlet valve (not shown) by above-mentioned camshaft 44 driven for opening and closing.Accommodating timing chain 45 in the chain path 40 on being located at the 1st engine pack 32, this timing chain 45 is around hanging on driving sprocket wheel 46 that is located on the bent axle 31 and the driven sprocket 47 that is located on the camshaft 44.Thus, bent axle 31 revolutions 2 cam-rotating axles 44 are goed around.
Left end at the bent axle 31 of the inside that protrudes in right side casing 37 and left side casing 38 is provided with drive pulley 54, this drive pulley 54 have the fixed side half-pulley 55 that is fixed on the bent axle 31 and can be approaching with respect to fixed side belt pulley 55, away from movable side half-pulley 56, movable side half-pulley 56 with along with the increase of the rotating speed of bent axle 31 to radial direction outside the centrifugal heavy body 57 of side shifting push towards direction near fixed side half-pulley 55.
Output shaft 58 is supported in 39 of the rear portion of right side casing 37 and speed reducer casings, be located at driven pulley 59 on this output shaft 58 possess the fixed side half-pulley 60 that is bearing in rotatably on the output shaft 58 and relative fixed side half-pulley 60 can be approaching, the movable side half-pulley 61 left, movable side half-pulley 61 by spring 62 towards 60 pushings of fixed side half-pulley.In addition, between fixed side half-pulley 60 and output shaft 58, be provided with and employed clutch 63.Hang ring-type V belt 64 at drive pulley 54 and driven pulley 59 spaced windings.
Supporting jack shaft 65 and the axletree 66 parallel at right side casing 37 and 39 of deceleration cabinets, be provided with reduction gear row 67 at output shaft 58, jack shaft 65 and 66 of axletrees with above-mentioned output shaft 58.And the right-hand member that protrudes in the axletree 66 on right side connecting deceleration cabinet 39 is provided with trailing wheel Wr.
The rotating force of bent axle 31 passes to drive pulley 54, from this drive pulley 54 by V belt 64, driven pulley 59, employ clutch 63 and reduction gear row 67 pass to trailing wheel Wr.
When the low speed rotation of motor E, owing to the centrifugal force on the centrifugal heavy body 57 that acts on drive pulley 54 is little, thereby, reduce the gear ratio step-down by the groove width of 61 of the spring 62 fixed side half-pulley 60 of driven pulley 59 and movable side half-pulley.When the rotating speed of this state bent axle 31 increases, the centrifugal force that acts on the centrifugal heavy body 57 increases, the groove width that the fixed side half-pulley 55 of drive pulley 54 and movable side half-pulley are 56 reduces, corresponding to this, the groove width that the fixed side half-pulley 60 of driven pulley 59 and movable side half-pulley are 61 increases, therefore, gear ratio infinitely changes from low to high.
The alternator 68 that is located at the right side of bent axle 31 is covered with by generator 36.Be provided with radiator 69 on the right side of its generator 36.Fixing cooling fan 70 for cooling air being supplied in this radiator 69 at the right-hand member of bent axle 31, this cooling fan 70 is disposed at 69 in alternator 68 and radiator.In addition, the thermostat housing 72 of accommodating thermostat 71 in inside combines with the right flank of cylinder head 34.The cooling waterpump 73 that is located on the right-hand member of camshaft 44 is contained in the space that is surrounded by cylinder head 34 and thermostat housing 72.
As can be known from Fig. 4, connecting the preceding bottom and the thermostat housing 72 of radiator 69 with cooling water pipe 74, thermostat housing 72 is being connected by cooling water pipe 75 with the 1st engine pack 32.In addition, releasably linking water injecting pipe 77 from the back block piece 76 of top covering trailing wheel Wr, this water injecting pipe 77 is connected with the superior posterior of radiator 69, and this water injecting pipe 77 is being connected by cooling water pipe 78 with cylinder head 34.
Under the state that motor E warm-operation is through with, the cooling water of discharging from the cooling waterpump 73 that is driven by camshaft 44 is supplied in water jacket in the 1st cluster engine body 32 and the cylinder head 34 through thermostat housing 72 and cooling water pipe 75, during having passed through its place, cooled off motor E after process cooling water pipe 78 be supplied in radiator 69.The cooling water that temperature has reduced during having passed through radiator 69 turns back to above-mentioned cooling waterpump 73 through cooling water pipe 74 and thermostat 71.On the other hand, in motor E warm-operation process, be cooling water temperature when low, thermostat 71 actions, cooling water under state not, be circulated in by radiator 69 motor E inside and promptly temperature rise.
The radiator 69 of cooling fan 70 and the foreign side that is disposed at this cooling fan 70 is covered with by the plastic cover 80 that is linked on the generating hood 36.Be provided with venetian blind 81 on this cover 80, this venetian blind 81 is used for rectification and imports cooling airs in the cover 80, be suppressed at the noises that take place in the cover 80 to the leakage of outside, prevent that foreign matter from invading in the cover 80 and will guide to radiator 69 from the cooling air of outside.Importing air in the cover 80 from this venetian blind 81 is attracted by cooling fan 70 and by the cooling water in radiator 69 cooling radiators 69, is discharged to the outside of cover 80.
Bent axle 31 freely is bearing on the crankcase 29 by being configured in locational ball bearing 84,84 rotations that clip crankpin 28 each other.
In Fig. 5, Fig. 6, ball bearing 84 is to clamp a plurality of balls 87,87 that limiting circumferential position with retainer 88 by 86 on ring in outer shroud 85 reaches ... and constitute, and, the wall thickness of ring 86 is big in the wall ratio of outer shroud 85, each ball 87,87 ... be disposed at the position of having moved than the more inside side's lateral deviation in central position between the interior week of the periphery of outer shroud 85 and interior ring 86.
The interior ring 86,86 of such ball bearing 84,84 by in the interior ring 86,86 that bent axle 31 is pressed into they and along the axial direction of bent axle 31 location, thereby can not be assembled on this bent axle 31 with relatively moving.
Crankcase 29 is by crankcase half one 32 of the 1st engine pack 32
2Constitute with the 2nd engine pack 33, by being located at crankcase half one 32
2The semicircle shape on the junction plane of combination on the 2nd engine pack 33 recess 89,89 and be located at the 2nd engine pack 33 to crankcase half one 32
2The recess 90,90 of the semicircle shape on the junction plane of last combination forms circular bearing hole 91,91, and that this supporting hole 91,91 is used for is chimeric, the outer shroud 85,85 of above-mentioned each ball bearing 84,84 of supporting.
On the periphery of the outer shroud 85,85 of each ball bearing 84,84, be provided with the mounting groove 92,92 of ring-type, in addition, be provided with the engagement groove 93,93 corresponding at the recess 89,89 of half one that constitutes above-mentioned each bearing hole 91,91 with above-mentioned mounting groove 92,92, in half one of above-mentioned mounting groove 92,92 the interior perimembranous of the limiting member 94,94 that forms basic C word shape is installed, the peripheral part of each limiting member 94,94 combines with above-mentioned engagement groove 93,93.
And, the external diameter of each outer shroud 85,85 is bigger slightly than the internal diameter that is located at the bearing hole 91,91 on the crankcase 29, by limiting member 94,94 being incorporated in the engagement groove 92,92 and be clipped in interconnective crankcase half one 32 along the outer shroud that is positioned 85,85 on the direction of the axis of bent axle 31
2 Reach 33 of the 2nd engine packs.Therefore, outer shroud 85,85 axial directions along bent axle 31 of each ball bearing 84,84 are positioned and can not be assembled on the crankcase 29 with relatively moving.
And, along each outer shroud 85,85 on the direction of the axis of bent axle 31 and encircle the position that 86,86 central position was set under the situation of the thermal expansion difference of having considered material different crankcase 29 and bent axle 31 along staggering mutually on the direction of the axis of bent axle 31 in each.In this embodiment, relative by the situation that ferrous material constitutes with bent axle 31, crankcase 29 is made of the aluminium based material.The above-mentioned central position of each outer shroud 85,85 is displaced to than being configured with encircling 86,86 inside, above-mentioned central position in each.
Below, effect to present embodiment describes, because being disposed at interior ring 86,86 axial directions along bent axle 31 of ball bearing 84,84 of the both sides of crankpin 28 is positioned and can not be assembled on the bent axle 31 with relatively moving, outer shroud 85,85 axial directions along bent axle 31 of each ball bearing 84,84 are positioned and can not be assembled on the crankcase 29 with relatively moving, therefore, make the relative position along the axial direction of bent axle 31 of each ball bearing 84,84 and crankcase 29 certain, and be installed on bent axle 31 and the crankcase 29.Thus, to be controlled in the required scope along the rolling momentum of the ball bearing 84,84 on the direction of the axis of bent axle 31, thereby can improve the durability of ball bearing 84,84, can suppress the biography that causes by outburst load to the wave properties that the vibrating noise of crankcase 29 transmits, prevent that noise from producing.
In the interior ring 86,86 that bent axle 31 is pressed into each ball bearing 84,84, interior ring 86,86 axial directions along bent axle 31 are assembled on the bent axle 31 with being positioned.Combine and determined with crankcase along the limiting member on the periphery of the position of above-mentioned each outer shroud 85,85 of the axial direction of bent axle 31 outer shroud 85,85 by will being installed in them 94,94.Therefore, can be simply and precision manage well along each ball bearing 84,84 position of the axial direction of bent axle 31 with respect to crankcase 29.
Along each outer shroud 85,85 on the direction of the axis of bent axle 31 and encircle 86,86 central position in each, thereby can seek the durability of ball bearing 84,84 more effectively and prevent that noise from producing owing to the thermal expansion difference of having considered material different crankcase 29 and bent axle 31 is set in along the position of having staggered mutually on the direction of the axis of bent axle 31.
Because it is big that the wall thickness of outer shroud 85 is set the wall thickness of De Binei ring 86, so, produced deviation even be located at the circularity of the bearing hole 91 on the crankcase 29, bigger load acts on the outer shroud 85 that clips with crankcase 322 and the 2nd engine pack 32, also can make outer shroud 85 have the intensity that can hold anti-its active force degree.
More than, be described in detail embodiments of the invention, but the present invention is not limited to the foregoing description, can not break away from and be recorded in the scope ground that patent asks for protection and carry out all design alterations.
For example, in the above-described embodiments, by interior ring 86 is pressed on the bent axle 31, locate and can not be assembled on the crankshaft 31 with relatively moving along the axial direction of bent axle 31, but, by interior ring 86 being clipped in the crank arm of bent axle 31 and being fixed between the belt pulley or gear on the bent axle 31, also can and can not be assembled on the bent axle 31 along the axial direction location of bent axle 31 with relatively moving.
According to above-described the 1st invention, rolling momentum along the bearing on the direction of the axis of bent axle can be controlled in the required scope, can improve the durability of bearing, and can suppress to prevent that by of the fluctuation of the caused biography of outburst load noise from producing to the vibrating noise transmission of crankcase.
In addition, according to the 2nd invention, can be simply and precision manage along the position on the direction of the axis of bent axle with respect to each bearing of crankcase with improving.
According to the 3rd invention,, can improve the durability of bearing more effectively and prevent that noise from producing owing to the position that the material of having considered crankcase and bent axle decides each outer shroud and Ge Nei to encircle mutually the different thermal expansion differences that cause.
Claims (3)
1. the supporting construction of bent axle, upward freely supporting bent axle (31) at the alienable crankcase in plane (29) by bearing (84) rotation by the spin axis that contains bent axle (31), this bearing (84) is configured in the position that clips crankpin (28) each other, it is characterized in that, the interior ring (86) of above-mentioned each bearing (84) can not be assembled on the crankshaft (31) along the axial direction of above-mentioned bent axle (31) with being positioned with relatively moving, and the outer shroud (85) of above-mentioned bearing (84) can not be assembled on the above-mentioned crankcase (29) along the axial direction of above-mentioned bent axle (31) with being positioned with relatively moving.
2. the supporting construction of bent axle as claimed in claim 1, it is characterized in that, combine with crankcase (29) along the limiting member (94) on the periphery of the position of above-mentioned each outer shroud (85) of the axial direction of above-mentioned bent axle (31) outer shroud (85) by will being installed in them and be determined.
3. the supporting construction of bent axle as claimed in claim 1 or 2, it is characterized in that, consider the thermal expansion difference of different crankcase of material (29) and bent axle (31) along the central position of ring (86) in each outer shroud (85) on the axial direction of above-mentioned bent axle (31) and each and be set at along the position of having staggered mutually on the direction of the axis of bent axle (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP157426/1999 | 1999-06-04 | ||
| JP11157426A JP2000345854A (en) | 1999-06-04 | 1999-06-04 | Supporting structure for crankshaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1276490A true CN1276490A (en) | 2000-12-13 |
| CN1117932C CN1117932C (en) | 2003-08-13 |
Family
ID=15649386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00108771 Expired - Fee Related CN1117932C (en) | 1999-06-04 | 2000-06-02 | Cranshaft bearing structure |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2000345854A (en) |
| CN (1) | CN1117932C (en) |
| ES (1) | ES2168214B1 (en) |
| IT (1) | IT1320306B1 (en) |
| TW (1) | TW588763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332135C (en) * | 2003-09-30 | 2007-08-15 | 本田技研工业株式会社 | Bearing structure of internal combustion engine crankshaft |
| CN100335802C (en) * | 2003-09-30 | 2007-09-05 | 本田技研工业株式会社 | Bearing structure of crankshaft in internal combustion engine |
| CN100408839C (en) * | 2001-04-30 | 2008-08-06 | 本田技研工业株式会社 | Crankshaft support for engine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4877199B2 (en) * | 2007-11-05 | 2012-02-15 | 株式会社デンソー | Valve timing adjustment device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2336272A (en) * | 1941-10-09 | 1943-12-07 | Fmc Corp | Crankcase, crankshaft, and bearing assembly |
| US3190144A (en) * | 1961-03-21 | 1965-06-22 | Ausserbauer Helmut | Crankshaft for internal combustion engines |
| US3827314A (en) * | 1973-02-05 | 1974-08-06 | Tecumseh Products Co | Compressor construction |
| JP2523722Y2 (en) * | 1988-04-28 | 1997-01-29 | 光洋精工株式会社 | Sealed bearing |
-
1999
- 1999-06-04 JP JP11157426A patent/JP2000345854A/en active Pending
-
2000
- 2000-04-24 TW TW92221461U patent/TW588763U/en not_active IP Right Cessation
- 2000-05-17 IT IT2000TO000454A patent/IT1320306B1/en active
- 2000-05-25 ES ES200001324A patent/ES2168214B1/en not_active Expired - Fee Related
- 2000-06-02 CN CN 00108771 patent/CN1117932C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408839C (en) * | 2001-04-30 | 2008-08-06 | 本田技研工业株式会社 | Crankshaft support for engine |
| CN1332135C (en) * | 2003-09-30 | 2007-08-15 | 本田技研工业株式会社 | Bearing structure of internal combustion engine crankshaft |
| CN100335802C (en) * | 2003-09-30 | 2007-09-05 | 本田技研工业株式会社 | Bearing structure of crankshaft in internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO20000454A1 (en) | 2001-11-19 |
| CN1117932C (en) | 2003-08-13 |
| ES2168214A1 (en) | 2002-06-01 |
| JP2000345854A (en) | 2000-12-12 |
| IT1320306B1 (en) | 2003-11-26 |
| TW588763U (en) | 2004-05-21 |
| ES2168214B1 (en) | 2003-11-01 |
| ITTO20000454A0 (en) | 2000-05-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030813 Termination date: 20120602 |