CN2633713Y - Structure improved bicycle shock-proof saddle tube - Google Patents
Structure improved bicycle shock-proof saddle tube Download PDFInfo
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- CN2633713Y CN2633713Y CN 03265858 CN03265858U CN2633713Y CN 2633713 Y CN2633713 Y CN 2633713Y CN 03265858 CN03265858 CN 03265858 CN 03265858 U CN03265858 U CN 03265858U CN 2633713 Y CN2633713 Y CN 2633713Y
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Abstract
The utility model relates to a structure improved shock-proof saddle tube, belonging to the bicycle field. The lower end of a spindle is sleeved in a hollow shaft tube and is connected by nuts. An elasticity scale is carved around the edge of a groove at the down end of the hollow shaft tube; while the bottom end of the spindle sleeved in the hollow shaft tube press and touch in the elastic shock-proof rubber rod which is of easily-controlled coefficient of elasticity and large contact area and is arranged inside the hollow shaft tube and then incorporate with the hollow shaft tube with the nuts and is arranged on the inner thread of the hollow shaft tube through the screw thread lathe turned on the upper part of an elasticity-adjusting block which is provided with a scale on the surface edge. The utility model mainly aims at providing the combination of the shock-proof rubber rod and the hollow shaft tube with an elasticity scale at the surface edge as well as the elasticity adjustment block for a rider with different avoirdupois to turn the elasticity adjustment block according to their avoirdupois and push the shock-proof rubber rod to get a corresponding compression length and consequently to get an even shock-proof elasticity fit the rider; therefore, the utility model is of a practical and novel design and is suitable to be generalized and used in the industrial world.
Description
Technical field
The utility model relates to a kind of bicycle of field of vehicles, particularly relates to the automatic shock-proof seat pipe in a kind of bicycle field.It is to utilize long-pending quake avoidance adhesive stick of the manageable large contact surface of an elasticity modulus and table edge to have the hollow axle tube of elastic force value scale, and the elastic force that cooperates utilization table edge to have mark is adjusted piece, make the user of different weight, can adjust piece according to body weight turn own, and then spiral shell pushes away the adjustment quake avoidance adhesive stick, makes it produce corresponding reduction length, to adjust the shock-absorbing elastic force of the most suitable person of riding body weight itself, and become a kind of new design that quite has practicality and progressive, be suitable for the industrial community wide popularization and application.
Background technology
Now, leisure agitation day contains.When holiday, all as seen park or suburb drive the crowd of bicycle recreation and body-building, but sometimes because of the equal factor of the rugged Qu Buping of road or rider's body weight, and the traveling comfort of influence when driving.So each tame bicycle manufacturer just develops various bicycle saddle tube anti-vibration structure.
Current existing common automatic shock-proof seat tubular construction, as No. 408728 " automatic shock-proof seat tubular construction " (seeing annex one for details be the bulletin text of No. the 408728th, the novel patent announcement in Taiwan " automatic shock-proof seat tubular construction ") of the novel patent announcement in Taiwan, see also shown in Fig. 1～3, be respectively the stereoscopic figure of above-mentioned patent, three-dimensional exploded view, assembled sectional view, by this patent as can be known, but its integral structure is the hollow circuit cylinder seat pipe (10) that is provided with a putting spring, be arranged with hollow tube (12) in the bottom of seat pipe, the top spiral shell of hollow tube (12) is provided with a precompressed plus-minus screw, be provided with spring (13) in the top of hollow tube, be provided with an inner guide (30) in the upper end of spring (13).When, have one to drive external force when moving downwards, inner guide (30) can compress spring (13), and the precompressed plus-minus screw on the hollow tube of bottom surface (12) then can generate a shock-absorbing elastic force by goring push spring (13), and reach the effect of seat pipe shock-absorbing.
Above-mentioned automatic shock-proof seat tubular construction, though can provide user one to have the automatic shock-proof seat tubular construction of seat pipe shock-absorbing effect, really has progressive, but when using, reality but finds also to have in its structure some shortcomings, cause this automatic shock-proof seat tubular construction in practical application, fail to reach best result of use, and its shortcoming can be summarized as follows:
1, at first, use this kind automatic shock-proof seat tubular construction commonly used, wherein, and to be spiral shell solid can't adjust inner for the precompressed plus-minus screw on this hollow tube, so can only produce single shock-absorbing elastic force.When driving, then can't provide different shock-absorbing elastic force if any the different weight person;
2, secondly, use this kind automatic shock-proof seat tubular construction commonly used, wherein damper element system uses compression spring, but the market spring is very different, so can't effectively control its elasticity modulus quality;
3 moreover, use this kind automatic shock-proof seat tubular construction commonly used, be to utilize the precompressed plus-minus screw to come goring push spring, its area of thrust surface are little, so can't produce uniform shock-absorbing elastic force;
Automatic shock-proof seat pipe so commonly used can't provide the shortcoming of different shock-absorbing elastic force during use, with regard to its integral body, its cooresponding practicality that do not have of can saying so has the necessity that is improved in fact.
Above-mentioned is the structure of general existing automatic shock-proof seat pipe, but because this kind structure not only can't effectively be controlled its elasticity modulus quality and can't produce uniform shock-absorbing elastic force, can cause shock-proof effect bad easily, and existence can cause the sizable troubles such as misgivings on safe in utilization, so integral body, it can be said so and quite not have practicality.
This shows that above-mentioned existing automatic shock-proof seat pipe still has many defectives, and the assistant officer treats further to be improved.
In order to solve the defective that existing automatic shock-proof seat pipe exists can't provide different shock-absorbing elastic force, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, therefore how to found a kind of structure improved automatic shock-proof seat pipe that the shock-absorbing elastic force that adapts to different weight can be provided and can have comprehensive adjustment function when using, just become the current industry utmost point to need improved target.
There is the difficult and uneven defective of shock-absorbing power that produces of control compression spring elasticity modulus quality in order to solve existing automatic shock-proof seat pipe, relevant manufacturer there's no one who doesn't or isn't seeks the road that solves painstakingly, but do not see always that for a long time suitable design finished by development, this obviously is the problem that the anxious desire of relevant dealer solves.
Because above-mentioned existing automatic shock-proof seat pipe exist can only provide single shock-absorbing elastic force, the shock-absorbing power that produces inhomogeneous and can't effectively control defective such as its elasticity modulus quality, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, actively studied innovation, in the hope of founding a kind of structure improved automatic shock-proof seat pipe of new structure, can improve general existing on the market conventional automatic shock-proof seat tubular construction, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that really has practical value finally.
Summary of the invention
Main purpose of the present utility model is, overcome the defective that existing automatic shock-proof seat pipe exists can only provide single shock-absorbing elastic force, and provide a kind of structure improved automatic shock-proof seat pipe of new structure, technical problem underlying to be solved is that single shock-absorbing elastic force only can be provided, can not adapt to the needs that various body weight drive personnel's shock-absorbing, make it can drive personnel's body weight, adjust shock-absorbing elastic force flexibly, to adapt to the needs that different weight drives personnel's shock-absorbing according to difference.
Another purpose of the present utility model is, a kind of structure improved automatic shock-proof seat pipe is provided, technical matters to be solved is a control compression spring elasticity modulus quality difficulty, make its elastic energy good, have more practicality, and can increase economic efficiency greatly, thereby have the effect of enhancement on the whole, and have the value on the industry.
A purpose more of the present utility model is, a kind of structure improved automatic shock-proof seat pipe is provided, and technical matters to be solved is to come goring push spring with the precompressed plus-minus screw, its area of thrust surface are little, can't produce uniform shock-absorbing elastic force, make its area of thrust surface big, can produce uniform shock-absorbing elastic force.
The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions, according to a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, it is adjusted piece by a tubular construction, quake avoidance adhesive stick and an elastic force and forms.
The seat tubular construction includes an axle, is provided with the locking seat of a locking below bicycle saddle cushion in the upper end of axle, and its lower end is set in the hollow axle tube, and the gap of last down spring displacement required when supplying axle contact quake avoidance adhesive stick is arranged between axle and the hollow axle tube.
The hollow axle tube that cover is taken a seat in the tubular construction is nontransparent hollow tube, and its lower end appearance edge portion cuts open and establishes groove with transparent cover body and be provided with elastic force value scale at the groove periphery.Hollow axle tube lower end inner edge then car is provided with negative thread, and its upper end car is provided with outside thread.Axle and hollow axle tube are spirally connected by nut.
Quake avoidance adhesive stick is the buffer element of long-pending and its elastic force easy to control of a large contact surface.It is to be made by colloid, sponge.Quake avoidance adhesive stick places in the hollow axle tube, and adjusts between the piece in axle and elastic force.Elastic force is adjusted piece lower end table edge and is provided with a mark quarter, and its root edge offers the inner hexagonal hole that unscrews packing for hex spanner, and its upper end then car is provided with the spiro tooth part that is arranged in the hollow axle tube negative thread, and its sheathed spiral shell is solid on the negative thread of hollow axle tube bottom.
The purpose of this utility model and solve its technical matters and can also adopt following technical measures further to realize.According to a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, wherein said elastic force value scale can also be located at the lower end that elastic force is adjusted piece.
Aforesaid a kind of structure improved automatic shock-proof seat pipe, wherein said hollow axle tube can also be for transparent, and elastic force value scale is located at the appearance edge of hollow axle tube.
Aforesaid a kind of structure improved automatic shock-proof seat pipe, wherein said hollow axle tube can also be for transparent, and elastic force value scale is located at the inner edge of hollow axle tube.
Aforesaid a kind of structure improved automatic shock-proof seat pipe, wherein said quake avoidance adhesive stick can also be replaced by compression spring.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, at first, be to utilize hex spanner turn elastic force to adjust piece, then spiral shell pushes away the quake avoidance adhesive stick in the hollow axle tube, make elastic force adjust the piece lower end the mark turn to the hollow axle tube table edge elastic force value scale that is suitable for body weight own, can obtain the shock-absorbing elastic force of suitable body weight own, and variable with the automatic shock-proof seat tubular construction shortcoming of the single shock-absorbing elastic force of tool only.Again, be the quake avoidance adhesive stick that utilizes a large contact surface long-pending, can its shock-absorbing elastic force of accuracy control.Be to utilize the long-pending elastic force of a large contact surface to adjust piece to reach the large-area quake avoidance adhesive stick that has that is used with it again, can produce uniform shock-absorbing elastic force.
The utility model does not have existing automatic shock-proof seat to manage existing defective in use fully, and can be so that the utility model structure more firmly reaches changeableization, therefore can reach cooresponding practicality, and have extensive value on the industry, specify advantage of the present utility model as follows now:
1, a kind of structure improved automatic shock-proof seat tubular construction that the utility model proposes is simple, thereby cost-cutting is significantly increased economic efficiency.
2, a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, because it only is to do slightly changing of design for automatic shock-proof seat pipe commonly used, so simple structure, manufacturing cost also reduces relatively, meet cost benefit, and the effect that can reach with product and to use practicality to compare value-for-money especially quite has the value of industry.
3, a kind of structure improved automatic shock-proof seat pipe that the utility model proposes is not only simple in structure, and be more suitable for practicality in the use, more can meet the demand of user for automatic shock-proof seat pipe product, can give the selection of customer Geng Jia, and can significantly promote its overall efficiency, thereby more be suitable for practicality.
4, the utility model can reach the effect in the practicality really, and is not only easy to use, do not need miscellaneous formality, and the processing of structure formation is easy especially, meets cost benefit, and has the value on the industry really, is suitable for industrial community and extensively promotes the use of.
5, the utility model is on the practicality and cost benefit of structure design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it had not both seen any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, promptly there is no similar structure design and publish or use in like product, and had novelty really.
6, structure of the present utility model really has more technological advance than existing automatic shock-proof seat pipe, and its particular structure feature and function also are far from existing automatic shock-proof seat Guan Suoke analogy, more existing automatic shock-proof seat pipe has more technical progress, and have the multinomial effect of enhancement, and creative really.
7, this case applicant is the company that automatic shock-proof seat pipe is made in actual production, develop this series products experience of existing ten several years, quite understand for existing existing problem of automatic shock-proof seat tubular construction and defective, and the utility model is promptly founded according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the space structure kenel, really belong to innovation, and more existing automatic shock-proof seat pipe has cooresponding enhancement effect really, and existing known product has more technological advance and practicality, and produced handy and practical good effect, and have practicality really.
In sum, a kind of structure improved automatic shock-proof seat pipe of the utility model special construction, have above-mentioned many advantages and practical value, it really belongs to innovation on the space structure kenel, more existing automatic shock-proof seat pipe product has the multinomial effect of enhancement, and simple structure is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1: STRUCTURE DECOMPOSITION scheme drawing of the present utility model;
Fig. 2: schematic appearance of the present utility model;
Fig. 3: structural profile scheme drawing of the present utility model;
Fig. 4: embodiment 2 STRUCTURE DECOMPOSITION scheme drawings of the present utility model;
Fig. 5: embodiment 2 structure schematic appearance of the present utility model;
Fig. 6: embodiment 2 structural profile scheme drawings of the present utility model;
Fig. 7,8 the utility model principle of work scheme drawings;
Fig. 9: the utility model embodiment 3 STRUCTURE DECOMPOSITION scheme drawings.
Wherein:
1----Shockproof seat tube structure
10---seat tubular construction 11---axle
12---locking seat 13---hollow axle tube
131--clear hollow central siphon 14---groove
15---elastic force value scale
16---nut 17---negative thread
The 20---quake avoidance adhesive stick
The 201--compression spring
30---elastic force is adjusted piece 31---mark
The 32---inner hexagonal hole
The 33---spiro tooth part
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, its specific embodiment, structure, feature and effect thereof, describe in detail as after.
Embodiment 1: see also Fig. 1, Fig. 2, Fig. 3, shown in, a kind of structure improved automatic shock-proof seat pipe that the utility model proposes, it mainly comprises: a tubular construction (10), quake avoidance adhesive stick (20)) and an elastic force adjust piece (30).
Seat tubular construction (10) includes an axle (11), is provided with the locking seat (12) of a locking below bicycle saddle cushion in axle (11) upper end, and the other end then is set in the hollow axle tube (13).
This hollow axle tube (13) places in the tubular construction (10), is nontransparent hollow tube.The groove (14) that is provided with a tool transparent cover body is cutd open in its (13) bottom, and carve in groove (14) periphery and to be provided with an elastic force value scale (15), be provided with a negative thread (17) (can with reference to Fig. 4) at hollow axle tube (13) lower end inner edge car, upper end, its (13) car is provided with an outside thread, use a nut (16) to be arranged on the outside thread of hollow axle tube (13) again, axle (11) and hollow axle tube (13) spiral shell is solid, and gap for required last down spring displacement when (20) of axle (11) contact quake avoidance adhesive stick is arranged between axle (11) and the hollow axle tube (13).
Wherein, quake avoidance adhesive stick (20) is the Buffer Unit of long-pending and its elastic force easy to control of a large contact surface, and it is to be made by colloid, sponge.Quake avoidance adhesive stick (20) places in the hollow axle tube (13), and is positioned between axle (11) and the elastic force adjustment piece (30).
Wherein, elastic force is adjusted piece (30) lower end table edge and is provided with a mark (31) quarter, and root edge offers and can unscrew for hex spanner, the inner hexagonal hole (32) of packing, and the other end then car is provided with the spiro tooth part (33) that can be arranged in hollow axle tube (13) negative thread (17).
As shown in Figure 3, earlier quake avoidance adhesive stick (20) is inserted in the hollow axle tube (13) of a tubular construction (10), continuous, the sheathed spiral shell of spiro tooth part (33) of elastic force being adjusted piece (30) upper end is solid on the negative thread (17) of hollow axle tube (13) bottom, spiral shell is fixed mutually closes with axle (11) and hollow axle tube (13) to utilize a nut (16) again, is and finishes a Shockproof seat tube structure (1).
According to can learning in the F=K*X formula, fixing when K (elasticity modulus) value, and X (elastic compression length) value then can obtain a bigger elastic force when big more.When, when rider's body weight is big, can adopt a hex spanner, insert elastic force and adjust upward rotation packing of piece (30) inner hexagonal hole (32), and because of quake avoidance adhesive stick (20) is a large tracts of land blocks, so adjust piece (30) when spiral shell pushes away at elastic force, quake avoidance adhesive stick (20) can produce a reduction length, produces uniform shock-absorbing elastic force simultaneously.Otherwise, when rider's body weight is light, then elastic force is adjusted the mark (31) of piece (30) lower end, unscrew to the elastic force value scale (15) of hollow axle tube (13) lower end groove (14), can obtain best elastic force shock-proof effect.
Embodiment 2: shown in Fig. 4,5,6, wherein said elastic force value scale (15) also can be carved and be located at the lower end that elastic force is adjusted piece (30), and can reach the identical effect of said structure.Other structure is with embodiment 1.Again, shown in Fig. 7,8 figure, wherein only need elastic force is adjusted the elastic force value scale (15) of piece (30) lower end, unscrew, just can reach the identical effect of embodiment 1 to alignment hollow axle tube (13) root edge place.
Embodiment 3:(is shown in Figure 9) wherein said hollow axle tube (10) is transparent, i.e. clear hollow central siphon (131).One compression spring (201) is inserted in the clear hollow central siphon (131), and table edge in the lower end of this clear hollow central siphon (131) is carved and is provided with an elastic force value scale (15), continuous, utilize again and be arranged in the spiro tooth part (33) that elastic force is adjusted piece (30), spiral shell is solid in the negative thread of clear hollow central siphon (131), and other structure is with embodiment 1.
Through the above, the utility model main purpose is to be to utilize a long-pending quake avoidance adhesive stick of elasticity modulus large contact surface more easy to control and a table edge tool elastic force value scale hollow axle tube as can be known, and cooperate an elastic force to adjust piece, allow the rider of different weight, come turn elastic force to adjust piece according to own body weight, and spiral shell pushes away the adjustment quake avoidance adhesive stick, make it to produce a reduction length, to obtain the most even shock-absorbing elastic force of suitable body weight own, be the novel creation of a tool progressive in fact.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any personnel that are familiar with this technology may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, every technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (5)
1, a kind of structure improved automatic shock-proof seat pipe, it is characterized in that: it is by a tubular construction (10), quake avoidance adhesive stick (20) and an elastic force are adjusted piece (30) and are formed, seat tubular construction (10) includes an axle (11), be provided with the locking seat (12) of a locking below bicycle saddle cushion in the upper end of axle (11), its (11) lower end is set in the hollow axle tube (13), and the gap of required last down spring displacement when having between axle (11) and the hollow axle tube (13) for axle (11) contact quake avoidance adhesive stick (20), the hollow axle tube (13) that overlaps in the tubular construction (10) of taking a seat is nontransparent hollow tube, and the lower end appearance edge portion of its (13) cuts open and establishes groove (14) with transparent cover body and be provided with elastic force value scale (15) at groove (14) periphery, hollow axle tube (13) lower end inner edge then car is provided with negative thread (17), upper end, its (13) car is provided with outside thread, axle (11) and hollow axle tube (13) are spirally connected by nut (16), quake avoidance adhesive stick (20) is the buffer element of long-pending and its elastic force easy to control of a large contact surface, its (20) is by colloid, sponge is made, quake avoidance adhesive stick (20) places in the hollow axle tube (13), and being positioned at axle (11) and elastic force adjusts between the piece (30), elastic force adjustment piece (30) lower end table edge is carved and is provided with a mark (31), its (30) root edge offers the inner hexagonal hole (32) that unscrews packing for hex spanner, upper end, its (30) then car is provided with the spiro tooth part (33) that is arranged in hollow axle tube (13) negative thread (17), and its (33) sheathed spiral shell is solid on the negative thread (17) of hollow axle tube (13) bottom.
2, structure improved automatic shock-proof seat pipe according to claim 1 is characterized in that wherein said elastic force value scale (15) is located at the lower end that elastic force is adjusted piece (30).
3, structure improved automatic shock-proof seat pipe according to claim 1 is characterized in that wherein said hollow axle tube (13) for transparent, and elastic force value scale (15) is located at the appearance edge of hollow axle tube (11).
4, according to claim 1 described structure improved Shockproof seat tube, it is characterized in that wherein said hollow axle tube (13) for transparent, elastic force value scale (15) is located at the inner edge of hollow axle tube (11).
5, according to any described structure improved Shockproof seat tube in the claim 1,2,3,4, it is characterized in that described quake avoidance adhesive stick (20) is replaced by compression spring (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265858 CN2633713Y (en) | 2003-05-27 | 2003-05-27 | Structure improved bicycle shock-proof saddle tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265858 CN2633713Y (en) | 2003-05-27 | 2003-05-27 | Structure improved bicycle shock-proof saddle tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2633713Y true CN2633713Y (en) | 2004-08-18 |
Family
ID=34297955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03265858 Expired - Lifetime CN2633713Y (en) | 2003-05-27 | 2003-05-27 | Structure improved bicycle shock-proof saddle tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2633713Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171168B (en) * | 2005-05-04 | 2011-05-04 | 洛克塞格尔国际公司 | Saddle post supporting device |
| CN107585235A (en) * | 2016-07-07 | 2018-01-16 | 久鼎金属实业股份有限公司 | Adjustable seat pipe |
| CN108146571A (en) * | 2016-12-06 | 2018-06-12 | 太平洋自行车股份有限公司 | Shock-absorbing device for bicycle |
-
2003
- 2003-05-27 CN CN 03265858 patent/CN2633713Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171168B (en) * | 2005-05-04 | 2011-05-04 | 洛克塞格尔国际公司 | Saddle post supporting device |
| CN107585235A (en) * | 2016-07-07 | 2018-01-16 | 久鼎金属实业股份有限公司 | Adjustable seat pipe |
| CN107585235B (en) * | 2016-07-07 | 2020-03-17 | 久鼎金属实业股份有限公司 | Adjustable seat tube |
| CN108146571A (en) * | 2016-12-06 | 2018-06-12 | 太平洋自行车股份有限公司 | Shock-absorbing device for bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130527 Granted publication date: 20040818 |