CN2739057Y - Adjustable suspension device - Google Patents
Adjustable suspension device Download PDFInfo
- Publication number
- CN2739057Y CN2739057Y CN 200420062823 CN200420062823U CN2739057Y CN 2739057 Y CN2739057 Y CN 2739057Y CN 200420062823 CN200420062823 CN 200420062823 CN 200420062823 U CN200420062823 U CN 200420062823U CN 2739057 Y CN2739057 Y CN 2739057Y
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- Prior art keywords
- adjusting screw
- rod
- conical surface
- adjusting
- adjusting bolt
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- Expired - Lifetime
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Abstract
An adjustable suspension device is especially adapted for hanging a driving gear box of train. The suspension device comprises two regulating screws. One regulating screw is left screw-shaped. The other regulating screw is right screw-shaped. The two regulating screws are respectively connected with both ends of the screw of an adjusting turnbuckle. Both ends of the adjusting turnbuckle are provided with external cone surface. The two regulating screws are screwed connected with a locking nut. The inside cone surface of inner hole of the locking nut is connected and corresponding to the external cone surface of the adjusting turnbuckle. Otherwise, the inside cone surface of inner hole of taper sleeve is connected and corresponding to the external cone surface of the adjusting turnbuckle. And the taper sleeve is tightly locked with the locking nut corresponding to the taper sleeve. Otherwise, only one end of the adjusting turnbuckle is provided with the taper sleeve and the locking nut simultaneously. And the other end of the adjusting turnbuckle is only provided with a locking nut with an inside cone surface. The utility model has reliable locking, non-perishable break and rapid adjustment, because of the adoption of means of conical surface axially move to pre-tighten the screwed connection in axial and radial direction.
Description
Technical field
The utility model relates to adjustable erecting by overhang, particularly is applicable to the erecting by overhang of train drive gear casing.
Background technology
Existing adjustable erecting by overhang, the adjustable gear case suspension gear in " reparation of import railcar gear case suspension gear " literary composition of being write of interim Lu Yi of " Shanghai metal " calendar year 2001 the 1st for example, the one end is fixed on the gear case by Universal-head, the other end passes through the Universal-head suspension installation on the framework of the bogie of car, it is a right-hand thread by an end, the other end is the adapter sleeve of left-hand thread, two ends are connected with the left-hand thread adapter shaft of a band Universal-head and the right-hand thread adapter shaft of a band Universal-head respectively, all have an axial cut-outs groove at the two ends of adapter sleeve, and periphery is equipped with a circumferential clamp, one fastening bolt is housed on the clamp, have the tangential breach of wearing fastening bolt on the adapter sleeve, move axially along adapter shaft to prevent fastening bolt and clamp.This suspension gear must be regulated its height every day because locking mechanism is unreasonable, and screw thread can't be locked, add and in use need bear the vehicle ' vibration and draw, brake influence it, therefore, this suspension gear not only coupling mechanism force is inhomogeneous, and very easy damage.Damage is that to be created in the tangential breach of wearing fastening bolt of adapter sleeve also be on the arc groove.Because fastening bolt is loosening in the not in place or vehicle operating of fastening bolt gripping power in practical operation, has accelerated the continuous wearing and tearing of screw thread because of inotropic action and long-term use, it is big that joint gap becomes, and Joint strenght descends.Again because adapter sleeve and adapter shaft reliable is connected to clamp by clamp finishes, and the effect of the tangent circle arc fluting on the adapter sleeve is the clamped position that fixes to clamp bolt, make the clamp punctured position all the time at the axial cut-outs groove place of adapter sleeve, guarantee reliable banding, but do like this and also slackened the intensity of adapter sleeve at tangent circle arc fluting place, make adapter sleeve often in tangent circle arc fluting place fracture damage, have a strong impact on train traffic safety.In addition, owing to be subjected to the restriction of space structure, fastening bolt is generally less, add serious inhomogeneous of the fastening force of front band on circumference, be difficult to the adapter shaft pretension, needs in service are frequently regulated erecting by overhang, adjust not only inconvenience but also time-consuming, cause the waste of lot of manpower and material resources.
Summary of the invention
The purpose of this utility model is to provide a kind of reliable lock, adjustable efficiently erecting by overhang easy to adjust.
The utility model realizes that the technical scheme of above-mentioned purpose has three kinds:
First kind of technical scheme is: a kind of adjustable erecting by overhang, have two adjusting screw(rod)s, an adjusting screw(rod) is a left-hand thread, and another adjusting screw(rod) is a right-hand thread, two adjusting screw(rod)s are threaded with the two ends of an Adjusting bolt Adjusting screw respectively, and the two ends of Adjusting bolt Adjusting screw are equipped with outer conical surface; Jam nut all has been threaded on two adjusting screw(rod)s; The internal conical surface of two jam nut endoporus respectively with the corresponding attaching of the outer conical surface at Adjusting bolt Adjusting screw two ends.
In order to reduce the radial rigidity of Adjusting bolt Adjusting screw, make locking more reliable, can all have at least 2 axial cut-outs grooves at the two ends of Adjusting bolt Adjusting screw.
In order to be subjected under the situation of space structure restriction more convenient and quicker ground with the adjusting screw(rod) pretension, can with jam nut within it the big end of circular conical surface also have the extension, the periphery of this extension has the spanner clamping head.
Second kind of technical scheme is: a kind of adjustable erecting by overhang, have two adjusting screw(rod)s, an adjusting screw(rod) is a left-hand thread, and another adjusting screw(rod) is a right-hand thread, two adjusting screw(rod)s are threaded with the two ends of an Adjusting bolt Adjusting screw respectively, and the two ends of Adjusting bolt Adjusting screw are equipped with outer conical surface; Jam nut all has been threaded on two adjusting screw(rod)s; The internal conical surface of two tapered sleeve endoporus respectively with the corresponding attaching of the outer conical surface at Adjusting bolt Adjusting screw two ends; Two tapered sleeves are respectively by its cooresponding jam nut locking.
Equally,, make locking more reliable, can all have at least 2 axial cut-outs grooves at the Adjusting bolt Adjusting screw two ends in order to reduce the radial rigidity of Adjusting bolt Adjusting screw.
The third technical scheme is: a kind of adjustable erecting by overhang, have two adjusting screw(rod)s, an adjusting screw(rod) is a left-hand thread, and another adjusting screw(rod) is a right-hand thread, two adjusting screw(rod)s are threaded with the two ends of an Adjusting bolt Adjusting screw respectively, and the two ends of Adjusting bolt Adjusting screw are equipped with outer conical surface; Jam nut all has been threaded on two adjusting screw(rod)s; The corresponding attaching of outer conical surface of the internal conical surface of a jam nut endoporus and Adjusting bolt Adjusting screw one end; The internal conical surface of one tapered sleeve endoporus and the corresponding attaching of the outer conical surface of the Adjusting bolt Adjusting screw other end, and this tapered sleeve is by its cooresponding another jam nut locking.
Equally,, make locking more reliable, can all have at least 2 axial cut-outs grooves at the Adjusting bolt Adjusting screw two ends in order to reduce the radial rigidity of Adjusting bolt Adjusting screw.
In order to be subjected under the situation of space structure restriction more convenient and quicker ground with the adjusting screw(rod) pretension, can with jam nut within it the big end of circular conical surface also have the extension, the periphery of this extension has the spanner clamping head.
Above-mentioned three kinds of technical schemes of the present utility model, because all having adopted the axially movable method double thread of the conical surface to connect carries out axially and pretension radially, also promptly the outer conical surface at Adjusting bolt Adjusting screw two ends is carried out attaching and tightening by the internal conical surface of jam nut endoporus or the internal conical surface of tapered sleeve, and then the Adjusting bolt Adjusting screw two ends are locked with being threaded of two adjusting screw(rod)s, thereby than the more even and reliable lock of predetermincd tension of available technology adopting clamp double thread, also solved the stress concentration and the frequent drawback that ruptures of the tangential breach on the Adjusting bolt Adjusting screw in the prior art, save manpower and materials greatly, improved the overhaul efficiency of vehicle.Simultaneously, adopt the technical solution of the utility model after because reliable lock, thereby do not need frequent adjustment, simultaneously, during adjustment as long as the rotation Adjusting bolt Adjusting screw, is used lower locking nut locking then to the appropriate location get final product, easy to adjust fast.
Description of drawings
Fig. 1 is the constructional drawing (being embodiment one) of first kind of adjustable erecting by overhang of the present utility model;
Fig. 2 is the A-A section-drawing of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 has the constructional drawing (being the conversion example of embodiment one) of the erecting by overhang of extension for the big end of internal conical surface of jam nut;
Fig. 5 is the C-C section-drawing of Fig. 4;
Fig. 6 is the constructional drawing (being embodiment two) of second kind of adjustable erecting by overhang of the present utility model;
Running condition figure when Fig. 7 is used for the train drive gear casing for the utility model erecting by overhang;
Fig. 8 is the constructional drawing (being embodiment three) of the third adjustable erecting by overhang of the present utility model.
The specific embodiment
Be a kind of adjustable erecting by overhang embodiment one that is used for the train drive gear casing of the present utility model as shown in Figure 1, 2, 3, have two adjusting screw(rod)s 1, an adjusting screw(rod) 1 is a left-hand thread, another adjusting screw(rod) 1 is a right-hand thread, and two adjusting screw(rod)s 1 are threaded with the two ends of an Adjusting bolt Adjusting screw 3 respectively.The two ends of Adjusting bolt Adjusting screw 3 are equipped with outer conical surface 3-1; Jam nut 2 all has been threaded on two adjusting screw(rod)s 1; The internal conical surface 2-1 of jam nut 2 endoporus respectively with the corresponding attaching of outer conical surface 3-1 at Adjusting bolt Adjusting screw 3 two ends.The two ends of Adjusting bolt Adjusting screw 3 all have at least 2 axial cut-outs groove 3-2.Present embodiment makes locking more reliable in order to reduce the radial rigidity of Adjusting bolt Adjusting screw 3 greatly, all has 6 axial cut-outs groove 3-2 at the two ends of Adjusting bolt Adjusting screw 3.The middle part of Adjusting bolt Adjusting screw 3 has spanner clamping head 3-3.When the utility model is installed and used on the train drive gear casing, referring to Fig. 1,7 as can be known, the outer end of two adjusting screw(rod)s 1 all can have Universal-head 1-1, Universal-head 1-1 on the adjusting screw(rod) 1 of bottom is connected with the adapter shaft 4-1 of the drive gear casing 4 of train, the Universal-head 1-1 of the adjusting screw(rod) 1 on top is connected with the adapter shaft 5 of bogie of car framework, thereby the drive gear casing 4 of train is hung on bogie of car framework.During adjustment, available spanner is pulled the spanner clamping head 3-3 at Adjusting bolt Adjusting screw 3 middle parts earlier.Because the inner bolt hole of the upper and lower end of Adjusting bolt Adjusting screw 3 is threaded with upper and lower adjusting screw(rod) 1 respectively, thereby can makes distance between the upper and lower adjusting screw(rod) 1 become big or diminish, thereby distance between the center shaft in the upper and lower Universal-head is increased or dwindle.When transfer to need the position after, pull upper and lower jam nut 2 with spanner again, the internal conical surface 2-1 that makes upper and lower jam nut 2 endoporus respectively with the corresponding attaching of upper and lower outer conical surface 3-1 of Adjusting bolt Adjusting screw 3, oppress the outer conical surface 3-1 undergauge of Adjusting bolt Adjusting screw 3, and Adjusting bolt Adjusting screw 3 and being threaded of upper and lower adjusting screw(rod) 1 are carried out axially and radially tightening.When needing to adjust the gear case height after work a period of time, only need unclamp upper and lower jam nut 2 earlier, the spanner clamping head 3-3 that pulls Adjusting bolt Adjusting screw 3 then gets final product to regulate the height of erecting by overhang, and then more upper and lower jam nut 2 to be tightened.Because adopt conical surface locking to replace clamp locking of the prior art, therefore, the structure reliable lock of present embodiment one is regulated efficient and convenient.
Structure shown in Fig. 4,5 is the conversion example of the jam nut 2 of structure shown in Figure 1.In Fig. 4,5, the jam nut 2 big end of circular conical surface 2-1 within it also has the extension, and the periphery of this extension 2-2 has spanner clamping head 2-3.The two ends of Adjusting bolt Adjusting screw 3 all have 4 axial cut-outs groove 3-2.All the other structures are identical with structure shown in Figure 1.When the utility model is used for the hanging train drive gear casing, sometimes owing to be subjected to the restriction of space structure, jam nut 2 is often because of being subjected to the locus influence, spanner is awkward, therefore, the bottom spanner clamping head 2-3 that this conversion example needs only upper end locking nut 2 in the structure shown in Figure 5 operates, and can lock or unclamp jam nut 2, thereby changed the operating position of spanner, made adjusting work more convenient quick in limited space.
Be illustrated in figure 6 as of the present utility model another be used for adjustable erecting by overhang embodiment two of train drive gear casing, have two adjusting screw(rod)s 1, an adjusting screw(rod) 1 is a left-hand thread, another adjusting screw(rod) 1 is a right-hand thread, and two adjusting screw(rod)s 1 are threaded with the two ends of an Adjusting bolt Adjusting screw 3 respectively.The outer end of two adjusting screw(rod)s 1 all can have Universal-head 1-1.The two ends of Adjusting bolt Adjusting screw 3 are equipped with outer conical surface 3-1; Jam nut 2 all has been threaded on two adjusting screw(rod)s 1; Internal conical surface 2 '-1 of two tapered sleeve 2 ' endoporus respectively with the corresponding attaching of outer conical surface 3-1 at Adjusting bolt Adjusting screw 3 two ends; Two tapered sleeves 2 ' respectively by its cooresponding jam nut 2 lockings.The two ends of Adjusting bolt Adjusting screw 3 all have at least 2 axial cut-outs groove 3-2.Present embodiment all has 3 axial cut-outs groove 3-2 at the two ends of Adjusting bolt Adjusting screw 3.The middle part of Adjusting bolt Adjusting screw 3 has spanner clamping head 3-3.Present embodiment two is with embodiment illustrated in fig. 1 one difference of comparing, present embodiment two and outer conical surface 3-1 Adjusting bolt Adjusting screw 3 be internal conical surface 2 '-1 of attaching mutually, be arranged on tapered sleeve 2 ' endoporus on, and among the embodiment one and outer conical surface 3-1 Adjusting bolt Adjusting screw 3 the internal conical surface 2-1 of attaching mutually is arranged on the endoporus of jam nut 2.All the other structures are all identical with embodiment one.In other words, when the setting nut among the embodiment one 2 when the small end transversely truncation of internal conical surface 2-1 becomes jam nut 2 and 2 ' two parts of tapered sleeve, also just become the structure of present embodiment two, and the jam nut 2 in the present embodiment two is with tapered sleeve 2 ' when making one, also just the structure with embodiment one is identical.Present embodiment two is when installing and using, after adjusting Adjusting bolt Adjusting screw 3, as long as tighten upper and lower jam nut 2, can axially oppress tapered sleeve 2 ', make tapered sleeve 2 ' internal conical surface 2 '-1 move axially, can oppress the outer conical surface 3-1 undergauge of Adjusting bolt Adjusting screw 3 and Adjusting bolt Adjusting screw 3 and being threaded of upper and lower adjusting screw(rod) 1 are carried out axially and radially tightening.
Be illustrated in figure 8 as of the present utility model another be used for adjustable erecting by overhang embodiment three of train drive gear casing, have two adjusting screw(rod)s 1, an adjusting screw(rod) 1 is a left-hand thread, another adjusting screw(rod) 1 is a right-hand thread, and two adjusting screw(rod)s 1 are threaded with the two ends of an Adjusting bolt Adjusting screw 3 respectively.The outer end of two adjusting screw(rod)s 1 all can have Universal-head 1-1.The two ends of Adjusting bolt Adjusting screw 3 are equipped with outer conical surface 3-1; Jam nut 2 all has been threaded on two adjusting screw(rod)s 1; The corresponding attaching of outer conical surface 3-1 of the internal conical surface 2-1 of jam nut 2 endoporus and Adjusting bolt Adjusting screw 3 one ends; The corresponding attaching of outer conical surface 3-1 of internal conical surface 2 '-1 of one tapered sleeve, 2 ' endoporus and Adjusting bolt Adjusting screw 3 other ends, and this tapered sleeve 2 ' by its cooresponding another jam nut 2 lockings.The two ends of Adjusting bolt Adjusting screw 3 all have at least 2 axial cut-outs groove 3-2.The middle part of Adjusting bolt Adjusting screw 3 has spanner clamping head 3-3.As required, also can make a jam nut 2 within it the big end of circular conical surface 2-1 also have extension 2-2, the periphery of this extension 2-2 has spanner clamping head 2-3.The difference of present embodiment three and embodiment one, two only is that Adjusting bolt Adjusting screw 3 has only an end that tapered sleeve 2 ' and jam nut 2 is housed simultaneously, and the other end only is equipped with the jam nut 2 of a band internal conical surface 2-1.That is to say, when the tapered sleeve 2 of Adjusting bolt Adjusting screw 3 one ends of present embodiment three ' when making one, just become embodiment one or its conversion example (shown in Fig. 1 or 4) with jam nut 2; When the Adjusting bolt Adjusting screw 3 of embodiment two tapered sleeve 2 of an end ' when making one, just become present embodiment three only with jam nut 2.The installation of present embodiment three and condition of service can be participated in the foregoing description one and conversion example thereof, and embodiment two.
The utility model not only can be used for the train drive gear casing, and can be used for the equipment that other need regulate length, also is that Universal-head 1-1 can be with in the outer end of adjusting screw(rod) 1; Also can be with Universal-head 1-1 directly with the parts load of the miscellaneous equipment that needs to regulate length or make one.The material of Adjusting bolt Adjusting screw 3 also can be non-metallic material or composite material, as long as both radially reducings have Joint strenght just passable again, and can not open axial cut-outs groove 3-2 to the two ends of Adjusting bolt Adjusting screw 3.
Claims (10)
1, a kind of adjustable erecting by overhang, have two adjusting screw(rod)s (1), an adjusting screw(rod) (1) is a left-hand thread, and another adjusting screw(rod) (1) is a right-hand thread, two adjusting screw(rod)s (1) are threaded with the two ends of an Adjusting bolt Adjusting screw (3) respectively, it is characterized in that:
The two ends of a, Adjusting bolt Adjusting screw (3) are equipped with outer conical surface (3-1);
Jam nut (2) all has been threaded on b, two adjusting screw(rod)s (1);
The internal conical surface (2-1) of c, two jam nuts (2) endoporus respectively with the corresponding attaching of outer conical surface (3-1) at Adjusting bolt Adjusting screw (3) two ends.
2, adjustable erecting by overhang according to claim 1 is characterized in that: the two ends of Adjusting bolt Adjusting screw (3) all have at least 2 axial cut-outs grooves (3-2).
3, adjustable erecting by overhang according to claim 1 is characterized in that: the middle part of Adjusting bolt Adjusting screw (3) has spanner clamping head (3-3).
4, according to claim 1 or 2 or 3 described adjustable erectings by overhang, it is characterized in that: a jam nut (2) the big end of circular conical surface (2-1) within it also has the extension, and the periphery of this extension (2-2) has spanner clamping head (2-3).
5, a kind of adjustable erecting by overhang, have two adjusting screw(rod)s (1), an adjusting screw(rod) (1) is a left-hand thread, and another adjusting screw(rod) (1) is a right-hand thread, two adjusting screw(rod)s (1) are threaded with the two ends of an Adjusting bolt Adjusting screw (3) respectively, it is characterized in that:
The two ends of a, Adjusting bolt Adjusting screw (3) are equipped with outer conical surface (3-1);
Jam nut (2) all has been threaded on b, two adjusting screw(rod)s (1);
The internal conical surface (2 '-1) of c, two tapered sleeves (2 ') endoporus respectively with the corresponding attaching of outer conical surface (3-1) at Adjusting bolt Adjusting screw (3) two ends;
D, two tapered sleeves (2 ') are respectively by its cooresponding jam nut (2) locking.
6, adjustable erecting by overhang according to claim 5 is characterized in that: Adjusting bolt Adjusting screw (3) two ends all have at least 2 axial cut-outs grooves (3-2).
7, according to claim 5 or 6 described adjustable erectings by overhang, it is characterized in that: the middle part of Adjusting bolt Adjusting screw (3) has spanner clamping head (3-3).
8, a kind of adjustable erecting by overhang, have two adjusting screw(rod)s (1), an adjusting screw(rod) (1) is a left-hand thread, and another adjusting screw(rod) (1) is a right-hand thread, two adjusting screw(rod)s (1) are threaded with the two ends of an Adjusting bolt Adjusting screw (3) respectively, it is characterized in that:
The two ends of a, Adjusting bolt Adjusting screw (3) are equipped with outer conical surface (3-1);
Jam nut (2) all has been threaded on b, two adjusting screw(rod)s (1);
The corresponding attaching of outer conical surface (3-1) of the internal conical surface (2-1) of c, a jam nut (2) endoporus and Adjusting bolt Adjusting screw (3) one ends;
The internal conical surface (2 '-1) of d, a tapered sleeve (2 ') endoporus and the corresponding attaching of outer conical surface (3-1) of Adjusting bolt Adjusting screw (3) other end, and this tapered sleeve (2 ') is by its cooresponding another jam nut (2) locking.
9, adjustable erecting by overhang according to claim 8 is characterized in that: the two ends of Adjusting bolt Adjusting screw (3) all have at least 2 axial cut-outs grooves (3-2).
10, according to Claim 8 or 9 described adjustable erectings by overhang, it is characterized in that: a jam nut (2) the big end of circular conical surface (2-1) within it also has extension (2-2), and the periphery of this extension 2-2 has spanner clamping head (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062823 CN2739057Y (en) | 2004-07-15 | 2004-07-15 | Adjustable suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062823 CN2739057Y (en) | 2004-07-15 | 2004-07-15 | Adjustable suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2739057Y true CN2739057Y (en) | 2005-11-09 |
Family
ID=35354125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420062823 Expired - Lifetime CN2739057Y (en) | 2004-07-15 | 2004-07-15 | Adjustable suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2739057Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820142A (en) * | 2010-04-27 | 2010-09-01 | 中国西电电气股份有限公司 | Special compressor of expansion joint in gas-insulated metal-enclosed switchgear |
| CN102514585A (en) * | 2011-12-14 | 2012-06-27 | 中国北车集团大连机车车辆有限公司 | Center positioning device for railway vehicles |
| CN109442131A (en) * | 2018-12-26 | 2019-03-08 | 台州市金焰机械设备有限公司 | All-in-one machine is blocked up under a kind of aperture |
-
2004
- 2004-07-15 CN CN 200420062823 patent/CN2739057Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820142A (en) * | 2010-04-27 | 2010-09-01 | 中国西电电气股份有限公司 | Special compressor of expansion joint in gas-insulated metal-enclosed switchgear |
| CN101820142B (en) * | 2010-04-27 | 2012-05-23 | 中国西电电气股份有限公司 | Special compressor of expansion joint in gas-insulated metal-enclosed switchgear |
| CN102514585A (en) * | 2011-12-14 | 2012-06-27 | 中国北车集团大连机车车辆有限公司 | Center positioning device for railway vehicles |
| CN109442131A (en) * | 2018-12-26 | 2019-03-08 | 台州市金焰机械设备有限公司 | All-in-one machine is blocked up under a kind of aperture |
| CN109442131B (en) * | 2018-12-26 | 2024-05-17 | 台州市金焰机械设备有限公司 | Block all-in-one under trompil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANCHE QISHUYAN MOTOR AND VEHICLE PROCESSING INSTI Free format text: FORMER NAME OR ADDRESS: CSR QISHUYAN LOCOMOTIVE + ROLLING STOCK TECHNOLOGY RESEARCH INSTITUTE |
|
| CP03 | Change of name, title or address |
Address after: No. 1, Wuyi Road, Changzhou, Jiangsu, Qishuyan: 213011 Patentee after: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Address before: No. 1, Wuyi Road, Changzhou, Jiangsu, Qishuyan: 213011 Patentee before: CSR Qishuyan Locomotive & Rolling Stock Technology Research Institute |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Leadrun Piston Co., Ltd. Assignor: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Contract fulfillment period: 2004.7.15 to 2011.7.14 Contract record no.: 2008320000802 Denomination of utility model: Adjustable hanging device for clean room roof Granted publication date: 20051109 License type: Exclusive license Record date: 20081012 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2004.7.15 TO 2011.7.14; CHANGE OF CONTRACT Name of requester: CHANGZHOU LANGRUI PISTON CO., LTD. Effective date: 20081012 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140715 Granted publication date: 20051109 |