CN1162073A - Self-locking energy-storage device for bolt - Google Patents
Self-locking energy-storage device for bolt Download PDFInfo
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- CN1162073A CN1162073A CN 96103391 CN96103391A CN1162073A CN 1162073 A CN1162073 A CN 1162073A CN 96103391 CN96103391 CN 96103391 CN 96103391 A CN96103391 A CN 96103391A CN 1162073 A CN1162073 A CN 1162073A
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- screw rod
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- storage device
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Abstract
The bolt self-locking energy-storing device includes screw rod, energy-storing spring, upper locking spring, middle-locking spring and lower locking spring which are directly engaged with screw rod, and nut head and nut seat which are indirectly engaged with screw rod; the bottom of said screw rod is equipped with a fastener preventing the screw rod from loosing; the exteriors of upper locking spring and middle-locking spring are respectively screw-connected with nut head and nut seat; the lower-locking spring is wound round the lower end of the screw rod; energy-storing spring is fixed on the upper end of the nut head; the lower end of the screw rod is equipped with non-standard thread engaged with lower locking spring; and its upper end is equipped with standard thread; the bottom end face of the screw rod is equipped with a recessed hole for fixing fastener.
Description
The invention belongs to the mechanical self-latching fastener areas, particularly relate to a kind of anti-loosening self-locking energy-storage device for bolt of self-locking.
In the mechanical industry field, bolt is basic fittings and link, and its consumption is big, scope extensively be the people know that all its quality and performance are paid close attention to by vast machinery colleague always.Machinery often is in and runs up and the sharp pounding working environment, as connecting basic bolt, possibility loosening and that come off can often occur.In the past, people are for preventing loose or dislocation, usually the spring washer of Cai Yonging, to additional accessories such as top nut, hatch lock, retaining sheets, prove through the use of last a century, can not make the people satisfied.Fact proved that fastening good again bolt is subjected to alternate load for a long time, under the impact loading, bolt is elongated and deformed, and screw thread can fatigue be toppled over and made the pretightening force forfeiture, cause producing fastening gap occur loosening, spring washer, all can be ineffective to the top nut; For this reason,
People are devoted to seek a kind of more reliable, and safer fastening form or novel bolt are to improve the quality and the performance of mechanical connection spare.
The object of the present invention is to provide a kind of retention mechanism that utilizes nut, screw rod self-locking, interlocking and deposit and discharge mechanical energy, not only avoided bolt looseness to come off but can wear and tear when bolt, tired, plastic deformation and when making the fastening force forfeiture, in time discharge the securing means of energy storage.
For achieving the above object, the present invention takes following technical proposals:
The present invention is the relation of utilizing between screw thread and the spring spiral of being connected with a joggle, form spiral self-locking and stored energy mechanism, it is characterized in that, it include screw rod that direct meshing relation takes place, by interior snap and outer torsion spring two-part constitute and can and the energy accumulation spring of screw engages, cap head, cap seat and and the last snap of meshing relation, middle snap, snap down take place between them, the bottom of screw rod also is provided with the dop that prevention is become flexible; Form by these parts and a kind ofly can only tighten self-locking, interlocking that can not backspin, the system of interlocking, when in case generation the fastening force forfeiture occurs because of wearing and tearing, fatigue, plastic deformation, utilize the timely dextrorotation of deposit mechanical energy fastening automatically, stop a kind of novel retention mechanism that fastening gap occurs.
The structure of self-locking energy-storage device for bolt of the present invention is as follows:
Self-locking energy-storage device for bolt of the present invention, comprise a screw rod, it is characterized in that, also comprise one directly be engaged in the energy accumulation spring of screw rod and once snap, indirectly be engaged in a cap head on the screw rod, between screw rod and the cap head snap, the bottom of screw rod also is provided with the dop that prevents that screw rod is loosening, and dop is fixed on described screw rod bottom.
Described self-locking energy-storage device is characterized in that, comprises that also one is engaged in a cap seat and the middle snap between screw rod and cap seat of screw rod indirectly, and described cap seat is connected with the cap head;
Described snap down is around the lower end of leaning on of screw rod; The described snap of going up reaches middle snap difference spiral shell admittedly in described cap head and cap seat, and the lower end of energy accumulation spring is fixed on the upper end of cap head.
Described self-locking energy-storage device, it is characterized in that the lower end diameter smaller portions of leaning on of described screw rod are provided with odd-pitch screw, upper end diameter major part is provided with standard thread, be provided with one in the underpart of diameter major part and separate locked groove, the bottom end center of screw rod is provided with a shrinkage pool; Described odd-pitch screw is meshed with described snap down, separates the movable end that locked groove is limited to down snap; Shrinkage pool is used for fixing described dop, and another fixed end of following snap is fixed on the dop.
Energy accumulation spring of the present invention also can and cooperate the plain nut of blind hole to be used with common screw.
Below in conjunction with drawings and Examples, further specify characteristics of the present invention:
Description of drawings:
Fig. 1: the embodiment's of self-locking energy-storage device for bolt of the present invention assembled sectional view;
Fig. 2: the schematic representation of screw rod in Fig. 1 energy storage device;
Fig. 3: the schematic representation of energy accumulation spring in Fig. 1 energy storage device;
Fig. 4: the schematic perspective view of Fig. 1 energy storage device frieze rail;
Fig. 5: cap head longitudinal sectional view shown in Figure 4;
Fig. 6: the stereogram of cap seat in Fig. 1 energy storage device;
Fig. 7: the schematic representation of screw rod end place dop in Fig. 1 energy storage device;
Fig. 8: the top view of dop shown in Figure 7.
Fig. 9 a, Fig. 9 b, Fig. 9 c: the schematic representation that is respectively the last snap in Fig. 1 energy storage device, middle snap and following snap;
As shown in Figure 1, self-locking energy-storage device for bolt of the present invention comprises screw rod 1, following snap 7, goes up snap 5, middle snap 6, cap seat 4, cap head 3, energy accumulation spring 2 and dop 8; Following snap 7 around screw rod 1 by the lower end, screw rod 1 be fixed with dop 8 bottom; Last snap 5 and middle snap 6 are fixed at the middle upper end of screw rod 1 hold-doun nut, and the outside of snap 6 is bolted with cap seat 4 and cap head 3 in last snap 5 reaches, and the upper end of cap head 3 is fixed with energy accumulation spring 2.
As shown in Figure 2, it is the schematic representation of screw rod 1 in Fig. 1 energy storage device; Screw rod 1 be provided with odd-pitch screw 13 by the lower end diameter smaller portions, diameter major part is provided with standard thread 11, is provided with one at the end of diameter major part and separates locked groove 12, the bottom end center of screw rod 1 is provided with one and is hexagon or square shrinkage pool 14; Described odd-pitch screw 13 is separated locked groove 12 and is used for fixing the movable end 72 (shown in Fig. 1 and Fig. 9 c) of snap 7 down in order to be meshed with following snap 7; Shrinkage pool 14 is used for fixing dop 8.
As shown in Figure 3, snap 21 and outer torsion spring 22 in the energy accumulation spring 2 that is comprised in the device is divided into, the end of the interior snap end 21 of energy accumulation spring 2 is a free end 23, the termination of outer torsion spring 22 is an outer hanging hook 24, insert in use in the blind hole of cap head 3, along with continuing to screw outer torsion spring spacing is dwindled gradually during use, at last interior snap is wrapped.Interior snap partly has self-locking action, and outer torsion spring partly has tapering thrust spring profile, and the effect of retaining, energy storage and delivered energy is arranged, and elastic thrust that energy accumulation spring 2 has and dextrorotation moment of torsion all make them push away to fastening dextrorotation direction to revolve.
Shown in Fig. 4,5, wherein Fig. 4 is the schematic perspective view of Fig. 1 energy storage device frieze rail; Fig. 5 is a cap head longitudinal sectional view shown in Figure 4; Set cap head 3 is a nut type body in apparatus of the present invention, its internal thread is divided into different two sections of internal diameter, the anti-silk screw thread 34 that standard thread 33 that internal diameter is less and internal diameter are bigger, the end that connects anti-silk screw thread 34 at standard thread 33 is provided with a horizontal unlock hole 32, and the upper-end surface of cap head 3 is provided with a blind hole 31 and the fixed groove 35 that the end is bigger; Standard thread 33 in use is meshed with last snap 5; Blind hole 31 is used for the outer hanging hook 24 of the described energy accumulation spring 2 of transplanting.
As shown in Figure 6, it is the stereogram of cap seat 4 in Fig. 1 energy storage device; Cap seat 4 is the calyptra that a center is provided with tapped through hole, and the internal thread in the through hole is a standard thread 42, and outside thread is anti-silk screw thread 41, and the upper-end surface of cap seat 4 is provided with fixed groove 44, and the flat-shaped hat brim of cap seat 4 is provided with a unlock hole 43; Cap seat 4 is meshed with the anti-silk screw thread 34 of cap head 3 with anti-silk screw thread 41; Standard thread 42 is meshed with middle snap 6.
Shown in Fig. 7,8, it is for being fixed on the schematic representation of the dop 8 at screw rod 1 end place in Fig. 1 energy storage device; Said dop 8 is provided with the projection 81 that matches with screw rod 1 end shrinkage pool 14 and the fixed groove 82 that following snap is used is installed in apparatus of the present invention.
As shown in Figure 9, wherein Fig. 9 a, Fig. 9 b, Fig. 9 c are respectively the schematic representation of the last snap 5 in Fig. 1 energy storage device, middle snap 6 and following snap 7; The internal diameter of wherein going up snap 5, middle snap 6 all is slightly smaller than the path with the screw rod 1 of its engagement, and the external diameter of snap 7 is a bit larger tham the big footpath of the screw rod 1 that is engaged with down; Last snap 5 and in an end of snap 6 be respectively equipped with the fixed end 51,61 of broad, they are fastened on respectively in the fixed groove 44 of the fixed groove 35 of cap head 3 and cap seat 4, the other end of last snap 5 and middle snap 6 is movable end 52 and 62; During assembling, with after cap head 3, cap seat 4 are meshed, their movable end lays respectively at unlock hole 43 places of the unlock hole 32 and the cap seat 4 of cap head 3 respectively for last snap 5, middle snap 6; The fixed end 71 of following snap 7 is hooked in the fixed groove 82 in the dop 8, and movable end 72 is located in separating in the locked groove 12 of screw rod 1.
The geometrical shape of the transverse section of used various springs can be rhombus, ellipse, circle, rectangle or triangle in the device.
The shrinkage pool 14 of the bottom end center of screw rod 1 is hexagon and also can be squarely in the present embodiment, and the projection 81 on the corresponding therewith dop 8 also is hexagon or square, to prevent relatively rotating of 8 of screw rod 1 and dops.
4 of present embodiment frieze rail 3 and cap seats combine with anti-silk engage thread, also can take hexagonal hole fastening-pressing type connecting mode, no matter take which kind of fit system, their matching relationship all is dextrorotation to advance and can not derotation retreat as an integral body.
The present invention has following effect:
Self-locking energy-storage device for bolt of the present invention, making full use of the elastic characteristic of spring and the direct or indirect engagement of frictional force principle and screw thread and spring spiral designs, collection energy storage, self-locking, interlocking, interlocking, automatic pretension are one, can only tighten and can not retreat.Described device designs at the common standard screw rod or the supporting use of screw of international standard now, need not to change supporting parts, have and exchange and generic features, parts in the device all have one-way self-locking separately, energy accumulation spring and screw rod interlocking, screw rod and screw interlocking, energy accumulation spring and nut interlocking, the nut self-locking and with the screw rod interlocking, under the mechanical energy effect that stores, all might rotate and derotation is prevented relative to dextrorotation.
This apparatus structure compact and reasonable, remove from additional accessory and assembly processes such as top nut, punching hatch lock, spring washer, plain washer, steel wire lobe, retaining sheets, especially easy to use, working life and safety reliability have been improved, have very strong tamper-proof effect, can realize standardization, producing in serial form.
Conciliate locked groove owing to be provided with unlock hole in apparatus of the present invention, be convenient to the machinery dismounting, when unloading, with bottle opener the outer hanging hook 24 of energy accumulation spring is provoked from blind hole 31 earlier, energy accumulation spring 2 is withdrawed from 23 derotations of spring end in withstanding after the energy dispensing again.Aluminum rivet or other soft metal silks are filled in the unlock hole 32 and with hammer and nail again aluminum rivet is headed into compressing movable end 52 or 62, cap head 3 at this moment, the self-locking state of cap seat 4 are disengaged, and can get off as the plain nut lemon.Mechanism is the compressing movable end, and with external force guide securement end and with the resistance of fixed end to the top, make internal diameter from snap enlarge friction and eliminate relatively.The 2nd, integral demounting is directly used the afterburning derotation of spanner, destroys the dop 8 of screw rod bottom, and bolt integral body is unloaded, and need only change dop 8 during assembling and get final product.Mechanism is screw rod top, and dop 8 is thinner with six square toes, 81 diameters of the cooperation place of screw rod 1 by the self-locking interlocking power of energy accumulation spring, cap head, cap seat is very big, can brute force back-out, it is distorted or rupture, screw rod can bring out snap down, can reinstall after will dop changing.
The critical piece of described device can all use also as requested part or separately and common standard screw rod or screw be used.Can not be provided with according to the usage requirement unlock hole, following snap also can directly connect with the screw rod bottom slot without dop with the fixing of screw rod.Described energy accumulation spring also has separately directly with the common standard bolt and is used to replace the possible of accessory such as hatch lock.
Claims (15)
1. self-locking energy-storage device for bolt, it comprises a screw rod [1], it is characterized in that, also comprise one directly be engaged in the energy accumulation spring [2] of screw rod [1] and once snap [7], indirectly be engaged in a cap head [3] on the screw rod [1], be positioned at the last snap [5] between screw rod [1] and the cap head [3], the bottom of screw rod [1] also is provided with the dop [8] that prevents that screw rod [1] is loosening, and dop [8] is fixed on described screw rod [1] bottom.
2. self-locking energy-storage device according to claim 1 is characterized in that, also comprise one be engaged in a cap seat [4] of screw rod [1] indirectly and be arranged in screw rod [1] and cap seat [4] between snap [6], described cap seat [4] is connected with cap head [3];
Described snap [7] down is around the lower end of leaning on of screw rod [1]; The described snap [5] of going up reaches middle snap [6] difference spiral shell admittedly in described cap head [3] and cap seat [4], and the lower end of energy accumulation spring [2] is hooked on the upper end of cap head [3].
3. self-locking energy-storage device according to claim 1 and 2, it is characterized in that, the lower end diameter smaller portions of leaning on of described screw rod [1] are provided with odd-pitch screw [13], upper end diameter major part be provided with standard thread 11], be provided with one in the underpart of diameter major part and separate locked groove [12], the bottom end center of screw rod [1] is provided with a shrinkage pool [14]; Described odd-pitch screw [13] is separated the movable end [72] that locked groove [12] is used to limit down snap [7] in order to be meshed with described snap [7] down; Shrinkage pool [14] is used for fixing described dop [8], and another fixed end [71] of following snap [7] is fixed on the dop [8].
4. self-locking energy-storage device according to claim 1 and 2, it is characterized in that, the outer torsion spring [22] that is provided with the interior snap [21] of tool self-locking action in the described energy accumulation spring [2] and has tapering thrust, interior snap [21] end are provided with interior spring end [23], and outer torsion spring end is provided with outer hanging hook [24].
5. self-locking energy-storage device according to claim 1 and 2 is characterized in that, described dop [8] is " protruding " font, and the upper end is provided with the projection [81] that matches with screw rod [1] end shrinkage pool [14], is provided with the fixed groove [82] of snap under the installation [7] usefulness in the bottom surface.
6. self-locking energy-storage device according to claim 1, it is characterized in that, described cap head [3] is a nut type body, its internal thread is the standard thread [33] that cooperates with described screw rod [1], be provided with a horizontal unlock hole [32] in the underpart of standard thread [33], the upper-end surface of described cap head [3] is provided with a blind hole [31] and the fixed groove [35] that the end is bigger; Standard thread [33] is meshed with the described snap [5] of going up; Blind hole [31] is used for the outer hanging hook [24] of an end of the described energy accumulation spring of transplanting [2].
7. self-locking energy-storage device according to claim 1, it is characterized in that, described cap head [3] is a nut type body, its inwall is divided into upper and lower two sections, the epimere internal diameter is provided with standard thread [33] than segment and bigger hypomere and described cap seat [4] outer wall of internal diameter is connected, be provided with a horizontal unlock hole [32] in the underpart of standard thread [33], the upper-end surface of cap head [3] is provided with a blind hole [31] and the fixed groove [35] that the end is bigger; Standard thread [33] is meshed with the described snap [5] of going up; Blind hole [31] is used for the outer hanging hook [24] of the described energy accumulation spring of transplanting [2];
Described cap seat [4] is the calyptra that a center is provided with tapped through hole, the standard thread [42] of internal thread in the through hole for being meshed with described middle snap [6], its outer wall and described cap head [3] are connected, the upper-end surface of cap seat [4] is provided with fixed groove [44], and the flat-shaped hat brim of cap seat [4] is provided with a unlock hole [43].
8. self-locking energy-storage device according to claim 7, it is characterized in that, being connected of described cap head [3] and cap seat [4]: cap head [3] inwall hypomere is provided with anti-silk screw thread [34], and the outer wall of described cap seat [4] is provided with the anti-silk screw thread [41] that the anti-silk screw thread [34] with cap head [3] screws togather.
9. according to the described self-locking energy-storage device of claim 7, it is characterized in that, described cap head [3] is connected with cap seat [4]: the cross section of cap head [3] inwall hypomere is a Hexagon, and the cross section of the outer wall of described cap seat [4] is the Hexagon that cooperates with cap head [3] inwall hypomere.
10. self-locking energy-storage device according to claim 2, it is characterized in that, described go up snap [5] and in an end of snap [6] be respectively equipped with thicker fixed end [51], [61], they are fastened on respectively in the fixed groove [44] of the fixed groove [35] of described cap head [3] and cap seat [4]; The movable end [52] of last snap [5], middle snap [6] and [62] lay respectively at the unlock hole [32] of cap head [3] and the unlock hole [43] of cap seat [4] is located; The fixed end [71] of following snap [7] is hooked in the fixed groove [82] in the described dop [8], movable end [72] be located in described screw rod 1] and separate in the locked groove [12].
11. self-locking energy-storage device according to claim 3 is characterized in that, the shrinkage pool [14] of the bottom end center of described screw rod 1 is hexagon, and the projection [81] on the corresponding therewith dop [8] also is hexagon.
12. self-locking energy-storage device according to claim 2 is characterized in that, the geometrical shape of the transverse section of described energy accumulation spring [2], last snap [5] and middle snap [6] is a rhombus.
13. self-locking energy-storage device according to claim 2 is characterized in that, the geometrical shape of the transverse section of described energy accumulation spring [2], last snap [5] and middle snap [6] is oval.
14. self-locking energy-storage device according to claim 2 is characterized in that, the geometrical shape of the transverse section of described energy accumulation spring [2], last snap [5] and middle snap [6] is circular.
15. self-locking energy-storage device according to claim 2 is characterized in that, the geometrical shape of the transverse section of described energy accumulation spring [2], last snap [5] and middle snap [6] is a triangle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103391A CN1055748C (en) | 1996-04-10 | 1996-04-10 | Self-locking energy-storage device for bolt |
| TW086115045A TW350900B (en) | 1996-04-10 | 1997-10-14 | Self-locking energy-saving bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103391A CN1055748C (en) | 1996-04-10 | 1996-04-10 | Self-locking energy-storage device for bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1162073A true CN1162073A (en) | 1997-10-15 |
| CN1055748C CN1055748C (en) | 2000-08-23 |
Family
ID=5118041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96103391A Expired - Fee Related CN1055748C (en) | 1996-04-10 | 1996-04-10 | Self-locking energy-storage device for bolt |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1055748C (en) |
| TW (1) | TW350900B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644190A (en) * | 2013-12-26 | 2014-03-19 | 霍永久 | Anti-loose and anti-theft nut |
| CN106761087A (en) * | 2016-11-22 | 2017-05-31 | 重庆欧帆门业有限公司 | A kind of timber of stabilized structure |
| CN107725565A (en) * | 2017-10-17 | 2018-02-23 | 韩魁 | A kind of automatic locking nut |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
| CN112963430A (en) * | 2020-03-04 | 2021-06-15 | 伯尔霍夫连接技术有限公司 | Assembly locking device, bolt with the device, component with the bolt, device manufacturing method and bolt assembling method with the device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7125213B2 (en) | 2001-12-06 | 2006-10-24 | Junkers John K | Washer, fastener provided with a washer, method of and power tool for fastening objects |
| US7207760B2 (en) | 2001-12-06 | 2007-04-24 | Junkers John K | Washer and fastener provided with a washer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2233889A (en) * | 1938-06-20 | 1941-03-04 | Hood James Bruce | Screw threaded element |
| DE4121524C2 (en) * | 1991-06-28 | 1994-07-14 | Deutsche Aerospace Airbus | Screw connection |
| CN1035685C (en) * | 1993-01-03 | 1997-08-20 | 李琳 | High-efficient anti-vibration fastening screw and fastening method |
| CN1091501A (en) * | 1993-02-23 | 1994-08-31 | 严明 | Self lock nut and bolt |
-
1996
- 1996-04-10 CN CN96103391A patent/CN1055748C/en not_active Expired - Fee Related
-
1997
- 1997-10-14 TW TW086115045A patent/TW350900B/en active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644190A (en) * | 2013-12-26 | 2014-03-19 | 霍永久 | Anti-loose and anti-theft nut |
| CN103644190B (en) * | 2013-12-26 | 2016-07-06 | 霍永久 | Anti-loose anti-theft nut |
| CN106761087A (en) * | 2016-11-22 | 2017-05-31 | 重庆欧帆门业有限公司 | A kind of timber of stabilized structure |
| CN107725565A (en) * | 2017-10-17 | 2018-02-23 | 韩魁 | A kind of automatic locking nut |
| CN112963430A (en) * | 2020-03-04 | 2021-06-15 | 伯尔霍夫连接技术有限公司 | Assembly locking device, bolt with the device, component with the bolt, device manufacturing method and bolt assembling method with the device |
| EP3875792A1 (en) * | 2020-03-04 | 2021-09-08 | Böllhoff Verbindungstechnik GmbH | Mounting device, threaded bolt with mounting protection, a component with an installed threaded bolt and a method for manufacturing the mounting protection and a method for assembling the threaded bolt with a mounting protection |
| DE102020105838A1 (en) | 2020-03-04 | 2021-09-09 | Böllhoff Verbindungstechnik GmbH | Assembly lock, threaded bolt with assembly lock, a component with installed threaded bolt as well as a manufacturing process for assembly lock and an assembly method of the threaded bolt with assembly lock |
| US11339822B2 (en) | 2020-03-04 | 2022-05-24 | Böllhoff Verbindungstechnik GmbH | Assembly locking device, thread bolt with assembly locking device, a component with installed thread bolt as well as a manufacturing method for the assembly locking device and an assembly method of the thread bolt with assembly locking device |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| TW350900B (en) | 1999-01-21 |
| CN1055748C (en) | 2000-08-23 |
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