CN2688953Y - Hydraulic cylinder for hinge - Google Patents
Hydraulic cylinder for hinge Download PDFInfo
- Publication number
- CN2688953Y CN2688953Y CN 200420049770 CN200420049770U CN2688953Y CN 2688953 Y CN2688953 Y CN 2688953Y CN 200420049770 CN200420049770 CN 200420049770 CN 200420049770 U CN200420049770 U CN 200420049770U CN 2688953 Y CN2688953 Y CN 2688953Y
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- Prior art keywords
- hinge
- piston rod
- cylinder body
- piston
- hydraulic cylinder
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- 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.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 210000002435 tendon Anatomy 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 abstract description 24
- 239000010720 hydraulic oil Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model relates to an improved hydraulic cylinder for the hinge, comprising a cylinder body, a piston and a piston rod. The utility model is characterized in that the both ends of the cylinder body are provided with a front seat and a back seat; the piston divides the cylinder body into a front and a back two chambers; the front and the back two chambers are provided with at least two passages which permit the liquid to circulate; one end of the piston rod penetrates the front seat, and the other end of the piston rod extends into the hollow cavity of the back seat; one end of the piston rod which is matched with the back seat is formed with an axial hole, the hollow cavity of which is communicated with the inner cavity of the cylinder body through an oil inlet hole arranged on the piston rod; the outer end of the axial hole is provided with a sealing ball. The hydraulic oil of the cylinder body has resistance force and buffering effect when passing through the passage on the piston, the movement speed of the piston rod is reduced, the impact force is reduced when the hinge is closed, and the automatically and slowly closed effect is obtained. The buffer device of the utility model only plays the buffer function, has no need of storing the reset force, and has convenient manufacture and low cost. The piston rod is provided with the axial hole, the oil can be filled into the cylinder body through the axial hole, the structure is simple, the operation is convenient, and the pressure relief function is simultaneously played.
Description
Technical field:
The utility model relates to a kind of oil hydraulic cylinder that is used for hinge.
Background technique:
At present the tobacco pipe type hinge of releasing in the industry exists and closes to 60 quick closedowns when spending, and produces very strong impact force, makes door send sound greatly, has formed ear-piercing noise interference.In order to address the above problem, prior art has also proposed some schemes, it as China Patent No. 02231289.7 utility model patent, a kind of hinge means is provided, but in order to a plate swing be installed on the framework, described hinge means comprises: one is fixed on the fixed base on the framework, one is fixed on the rotary seat on the plate, one is articulated in the part that is connected between fixed base and rotary seat, one is articulated in the locating piece of the inboard between fixed base and rotary seat, and one have a shock absorber that is installed in the gas and oil cylinder pressure in the fixed base, described gas and oil cylinder pressure has a cylinder axle that is articulated on the rear end outside of described locating piece, drawn back when plate and rotated when leaving described framework, can drive and make the gas and oil cylinder pressure accumulate a reseting elasticity, and pushed with at closing time when plate, can assist plate to be reset to the framework place automatically and by the reseting elasticity of gas and oil cylinder pressure with cushioning.Though the oil hydraulic cylinder in the above-mentioned patent can make described hinge slowly reset, its reposition force is to be accumulated by the gas and oil cylinder pressure, and therefore, the gas and oil cylinder pressure need have than the highland precision, the processing more complicated, and manufacture cost is too high; Secondly, long service time when the gas and oil cylinder pressure, its reposition force will reduce, even disappears, and working life is too short.
The model utility content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of oil hydraulic cylinder that is used for hinge is provided, and this hydraulic cylinder structure is simple, and is easy to process, has reasonable cushioning effect.
A kind of improved oil hydraulic cylinder that is used for hinge that provides according to the utility model, comprise a cylinder body, one is installed in piston and the piston rod in the described cylinder body, it is characterized in that: the two ends of described cylinder body are provided with a front stall and a back seat, described piston is divided into former and later two chambers with described cylinder body, which is provided with the passage of at least two permission liquid communication, one end of described piston rod passes described front stall, its the other end stretches in the cavity of described back seat, the end that described piston rod matches with described back seat is formed with an axial bore, the cavity of described axial bore communicates with described inner chamber of cylinder block by an oil inlet hole that is located on the described piston rod, and the outer end of described axial bore is equipped with an envelope pearl.
A kind of improved oil hydraulic cylinder that is used for hinge that provides according to the utility model also has following attached technical characteristics:
Be formed with an annular groove on the described piston, one annular ring is installed in the described groove, close described front stall one sidewall of described groove is provided with a through hole, another sidewall of described groove is provided with the through hole of a diameter less than described through-hole diameter, be provided with the gap that allows liquid communication between annular ring and the described groove, be provided with an annular space that allows liquid communication between a sidewall in the described piston and the described cylinder body madial wall, be provided with an annular space that allows liquid communication between another sidewall in the described piston and the described cylinder body madial wall.
One end of described piston rod is provided with a link press span, and it is hinged by described link press span and hinge.
Described piston rod middle part is provided with two annular grooves, and described piston is fixed on the described piston rod by the back-up ring that is installed in the described annular groove.
The inboard of described front stall and described back seat is provided with Sealing, and the inboard of described Sealing is provided with seal diaphragm.
Be formed with the first location convex tendon, the second location convex tendon and the 3rd location convex tendon on the described cylinder body to inner process, described first location convex tendon and the described second location convex tendon can position described seal diaphragm, and described the 3rd location convex tendon can snap in the groove that is formed on the described back seat.
One side of described piston is provided with a backing plate, is provided with an annular inner ring between described backing plate and the described piston.
Described backing plate is provided with many conduits.
Be formed with a hinging hole on the described back seat, it is hinged by described hinging hole and hinge.
Described back-up ring has a bayonet socket, and the both sides of described bayonet socket are formed with the boss to inner process, and the inboard, middle part of described back-up ring is formed with a supporting lug to inner process.
A kind of improved oil hydraulic cylinder that is used for hinge that provides according to the utility model has following advantage compared with prior art: at first, hydraulic oil in the utility model cylinder body has resistance during by the channel flow on the piston, produce cushioning effect, the movement velocity of piston rod is reduced, reduce the impact force of closing hinge, reach the effect that automatic slowly is closed, damping device of the present utility model only plays buffer function, need not accumulate reposition force, it is easily manufactured, and cost is lower; Secondly, piston rod is provided with axial bore, can refuel in cylinder body by axial bore, and is simple in structure, easy to operate, plays the release effect simultaneously; Once more, two sides of the groove of piston of the present utility model are provided with the through hole that varies in size, and the resistance ratios that is subjected in the time of can realizing hinge-opening is less, and the resistance ratios that is subjected to when closing hinge is bigger, better are suitable for the hinge requirements of one's work; At last, piston is fixed on the piston rod by back-up ring, installs more convenient;
Description of drawings
Fig. 1 is the sectional view of the utility model open mode, the internal structure the during open mode of oil hydraulic cylinder shown in the figure.
Fig. 2 is the sectional view of the utility model closed condition, the internal structure the during closed condition of oil hydraulic cylinder shown in the figure.
Fig. 3 is an A place enlarged view among Fig. 1.
Fig. 4 is the sectional view of cylinder body among Fig. 1.
Fig. 5 is the sectional view of piston rod among Fig. 1.
Fig. 6 is the plan view of backing plate among Fig. 1.
Fig. 7 is the enlarged view of piston among Fig. 1.
Fig. 8 is the enlarged front view of piston among Fig. 1.
Fig. 9 is the enlarged front view of back seat among Fig. 1.
Figure 10 is the worm's eye view of Fig. 9.
Figure 11 is the plan view of Fig. 1 guide ring.
Figure 12 is the local enlarged diagram when piston moves right in the utility model, the flow direction of hydraulic oil when closing shown in the figure.
Figure 13 is the local enlarged diagram of piston when left movement in the utility model, the flow direction of hydraulic oil when opening shown in the figure.
Embodiment:
Referring to Fig. 1 to 13, a kind of preferred embodiment that provides according to the utility model, comprise a cylinder body 51, one is installed in piston 52 and the piston rod 53 in the described cylinder body 51, the two ends of described cylinder body 51 are provided with a front stall 54 and a back seat 55, described piston 52 is divided into former and later two chambers with described cylinder body 51, which is provided with the passage of at least two permission liquid communication, one end 531 of described piston rod 53 passes described front stall 54, its the other end 532 stretches in the cavity 551 of described back seat 55, the end 532 that described piston rod 53 matches with described back seat 55 is formed with an axial bore 534, the cavity of described axial bore 534 communicates with described cylinder body 51 inner chambers by an oil inlet hole 535 that is located on the described piston rod 53, and the outer end of described axial bore 534 is equipped with an envelope pearl 536.In the utility model cylinder body 51 cavitys hydraulic oil is housed, when described piston 52 and 53 motions of described piston rod, hydraulic oil in the cylinder body 51 has resistance during by the channel flow on the described piston 52, produce cushioning effect, the movement velocity of piston rod 53 is reduced, reduce the impact force of closing, reach the effect that automatic slowly is closed.The utility model resets by the torsion spring that is installed on the hinge, and therefore, described oil hydraulic cylinder only plays buffer function, and need not accumulate reposition force, described oil hydraulic cylinder simple in structure, and working life is long.Simultaneously, because cylinder body of the present utility model 51 is thinner, so, on described cylinder body 51, tank filler sleeve being set, the structure more complicated needs other additional devices, and the volume of the cylinder body 51 that makes is excessive, influences itself and the cooperating of hinge.The utility model adopts and described axial bore 534 to be set as tank filler sleeve on described piston rod 53, the problem of the above-mentioned oiling difficulty of solution that can be not bad.Said structure can play the effect of release simultaneously.
Referring to Fig. 1, Fig. 2, Fig. 3, Figure 12 and Figure 13, in a kind of preferred embodiment that provides according to the utility model, be formed with an annular groove 522 on the described piston 52, one annular ring 523 is installed in the described groove 522, close described front stall 54 1 sidewalls 526 of described groove 522 are provided with a through hole 521, another sidewall 529 of described groove 522 is provided with the through hole 528 of a diameter less than described through hole 521 diameters, be provided with the gap 591 that allows liquid communication between annular ring 523 and the described groove 522,592, be provided with an annular space 515 that allows liquid communication between a sidewall 526 in the described piston 52 and described cylinder body 51 madial walls, be provided with an annular space 516 that allows liquid communication between another sidewall 529 in the described piston 52 and described cylinder body 51 madial walls.Described piston 52 of the present utility model has said structure, and speed was very slow when the described piston rod 53 of described piston 52 drives was outwards stretched, and played the effect of buffering.And the motion velocity ratio is very fast when the described piston rod 53 of described piston 52 drives inwardly shrinks, and when hinge is opened, reduces the damping function of buffer 5, is easy to open.Referring to Fig. 3, therefore the thickness of the annular ring 523 in the utility model, form gap 591,592 less than the width of groove 522 between annular ring 523 and the described groove 522.The concrete working procedure of hydraulic bjuffer is as follows: referring to Fig. 1, Fig. 3 and Figure 13, the arrow line among Figure 13 is represented the flow direction of hydraulic oil and the passage that passes through.When described piston 52 drives described piston rod 53 to left movement, hydraulic oil pressure in the cavity of left side increases, hydraulic oil will be through through hole 521 and the sidewall 526 of described groove 522 and the annular gaps 515 between described cylinder body 51 madial walls on the described piston 52, flow in the described groove 522, annular ring 523 is pushed to the right sidewall 529 of described groove 522.Annular ring 523 is closely pressed together on described sidewall 529, with 592 sealings of gap, right side, prevents that hydraulic oil from flowing in the cavity to the right from gap 592.At this moment, the hydraulic oil in the cavity of left side can only flow in the cavity of right side by the through hole on the sidewall 529 of described piston 52 528, and therefore, hydraulic oil can produce bigger resistance to described piston 52, plays the effect of buffering.Referring to Fig. 2, Fig. 3 and Figure 12, the arrow line among Figure 12 is represented the flow direction of hydraulic oil and the passage that passes through.When the described piston rod 53 of described piston 52 drives moves right, hydraulic oil pressure in the cavity of right side increases, hydraulic oil will be through through hole 528 and the sidewall 529 of described groove 522 and the annular space 516 between described cylinder body 51 madial walls on the described piston 52, flow in the described groove 522, annular ring 523 is pushed to the sidewall 526 of described groove 522, prevent that hydraulic oil from flowing in the cavity to the left from gap, described left side 591, at this moment, hydraulic oil in the cavity of right side is by the through hole 521 on the sidewall 526 of described piston 52, flow in the cavity of left side, because described through hole 521 is than several times greatly of described through holes 528, therefore, it is less that described piston 52 drives the resistance that is subjected to when described piston rod 53 moves, and motion is very fast.
Referring to Fig. 1 and Fig. 2, in a kind of preferred embodiment that provides according to the utility model, an end 531 of described piston rod 53 is provided with a link press span 537, and it is hinged with hinge by described link press span 537, and hinge is played buffer function.Said structure can make things convenient for the processing of piston rod 53, is convenient to simultaneously install.
Referring to Fig. 1, Fig. 2 and Fig. 5, in a kind of preferred embodiment that provides according to the utility model, the middle part of described piston rod 53 is provided with two annular grooves 533, and described piston 52 is fixed on the described piston rod 53 by the back-up rings 56 that are installed in the described annular groove 533.Piston 52 of the present utility model is fixed by the back-up ring 56 that is stuck on the described piston rod 53, and is simple in structure, easy for installation, solved this type of gadget inconvenient drawback is installed.
Referring to Fig. 1 and Fig. 2, in a kind of preferred embodiment that provides according to the utility model, the inboard of described front stall 54 and described back seat 55 is provided with Sealing 57, and the inboard of described Sealing 57 is provided with seal diaphragm 58.Because described front stall 54 of the present utility model and described back seat 55 adopt engineering plastics to make, and described Sealing 57 adopts rubber to make, therefore, the rigidity of said modules is not enough.The seal diaphragm 58 that has a higher stiffness by setting is strengthened the rigidity of cylinder bodies 51 inner chambers, and described cylinder body 51 is played the effect of support, prevents cylinder body 51 distortion.
Referring to Fig. 1, Fig. 2, Fig. 4 and Fig. 9, in a kind of preferred embodiment that provides according to the utility model, be formed with the first location convex tendon 511, the second location convex tendon 512 and the 3rd location convex tendon 513 on the described cylinder body 51 to inner process, described first location convex tendon 511 and the described second location convex tendon 512 can position described seal diaphragm 58, and described the 3rd location convex tendon 513 can snap in the groove that is formed on the described back seat 55.The utility model is fixed described front stall 54, described back seat 55, described Sealing 57 and described seal diaphragm 58 in the cylinder body 51 by the location convex tendon, has solved by other fixed blocks and has fixed the drawback of being brought.Strengthened the rigidity of described cylinder body 51 simultaneously.
Referring to Fig. 3, in a kind of preferred embodiment that provides according to the utility model, a side of described piston 52 is provided with a backing plate 524, is provided with an annular inner ring 525 between described backing plate 524 and the described piston 52.Said structure is beneficial to cooperating of described piston 52 and described piston rod 53, makes described piston 52 more fastening being installed on the described piston rod 53.
Referring to Fig. 6, in a kind of preferred embodiment that provides according to the utility model, described backing plate 524 is provided with many conduits 527.Through hole 528 on described conduit 527 and the described piston 52 constitutes a liquid flow path, can further lower the speed of the liquid that flows through.
Referring to Fig. 1, Fig. 2 and Fig. 9, in a kind of preferred embodiment that provides according to the utility model, be formed with a hinging hole on the described back seat 55, it is hinged by described hinging hole and hinge.Said structure is convenient to oil hydraulic cylinder and is installed in the hinge, can guarantee the proper functioning of oil hydraulic cylinder, reaches reasonable effect.Because described back seat 55 is that engineering plastics are made, conveniently process hinging hole simultaneously.
Referring to Figure 11, in a kind of preferred embodiment that provides according to the utility model, described back-up ring 56 has a bayonet socket 561, and the both sides of described bayonet socket 561 are formed with the boss 562 to inner process, and the inboard, middle part of described back-up ring 56 is formed with a supporting lug 563 to inner process.Described back-up ring 56 manufactures said structure, can push easily in the groove 533 of piston rod 53 by bayonet socket 561, and described piston 52 is fixed.The boss 562 of described bayonet socket 561 both sides plays the effect of clamping.
Above-mentioned several embodiment is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (10)
1, a kind of improved oil hydraulic cylinder that is used for hinge, comprise a cylinder body (51), one is installed in piston (52) and the piston rod (53) in the described cylinder body (51), it is characterized in that: the two ends of described cylinder body (51) are provided with a front stall (54) and a back seat (55), described piston (52) is divided into former and later two chambers with described cylinder body (51), which is provided with the passage of at least two permission liquid communication, one end (531) of described piston rod (53) passes described front stall (54), its the other end (532) stretches in the cavity (551) of described back seat (55), the end (532) that described piston rod (53) matches with described back seat (55) is formed with an axial bore (534), the cavity of described axial bore (534) communicates with described cylinder body (51) inner chamber by an oil inlet hole (535) that is located on the described piston rod (53), and the outer end of described axial bore (534) is equipped with an envelope pearl (536).
2, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1, it is characterized in that: be formed with an annular groove (522) on the described piston (52), one annular ring (523) is installed in the described groove (522), close described front stall (54) one sidewalls (526) of described groove (522) are provided with a through hole (521), another sidewall (529) of described groove (522) is provided with the through hole (528) of a diameter less than described through hole (521) diameter, be provided with the gap (591 that allows liquid communication between annular ring (523) and the described groove (522), 592), be provided with an annular space (515) that allows liquid communication between a sidewall (526) in the described piston (52) and described cylinder body (51) madial wall, be provided with an annular space (516) that allows liquid communication between another sidewall (529) in the described piston (52) and described cylinder body (51) madial wall.
3, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2, it is characterized in that: an end (531) of described piston rod (53) is provided with a link press span (537), and it is hinged by described link press span (537) and hinge.
4, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2, it is characterized in that: described piston rod (53) middle part is provided with two annular grooves (533), and described piston (52) is fixed on the described piston rod (53) by the back-up ring (56) that is installed in the described annular groove (533).
5, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2, it is characterized in that: the inboard of described front stall (54) and described back seat (55) is provided with Sealing (57), and the inboard of described Sealing (57) is provided with seal diaphragm (58).
6, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 5, it is characterized in that: be formed with the first location convex tendon (511), the second location convex tendon (512) and the 3rd location convex tendon (513) on the described cylinder body (51) to inner process, described first location convex tendon (511) and the described second location convex tendon (512) can position described seal diaphragm (58), and described the 3rd location convex tendon (513) can snap in the groove (553) that is formed on the described back seat (55).
7, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2, it is characterized in that: a side of described piston (52) is provided with a backing plate (524), is provided with an annular inner ring (525) between described backing plate (524) and the described piston (52).
8, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 7, it is characterized in that: described backing plate (524) is provided with many conduits (527).
9, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2 is characterized in that: be formed with a hinging hole (522) on the described back seat (55), it is hinged by described hinging hole (522) and hinge.
10, a kind of improved oil hydraulic cylinder that is used for hinge as claimed in claim 1 or 2, it is characterized in that: described back-up ring (56) has a bayonet socket (561), the both sides of described bayonet socket (561) are formed with the boss (562) to inner process, and the inboard, middle part of described back-up ring (56) is formed with a supporting lug to inner process (563).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049770 CN2688953Y (en) | 2004-04-29 | 2004-04-29 | Hydraulic cylinder for hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049770 CN2688953Y (en) | 2004-04-29 | 2004-04-29 | Hydraulic cylinder for hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2688953Y true CN2688953Y (en) | 2005-03-30 |
Family
ID=34672309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420049770 Expired - Lifetime CN2688953Y (en) | 2004-04-29 | 2004-04-29 | Hydraulic cylinder for hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2688953Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588492A (en) * | 2012-01-18 | 2012-07-18 | 哈尔滨建成集团有限公司 | Hydraulic damping buffering device |
| CN102650326A (en) * | 2011-02-28 | 2012-08-29 | 株式会社利富高 | Damper |
| CN104847892A (en) * | 2014-09-12 | 2015-08-19 | 无锡市威特机械有限公司 | Extruder oil cylinder piston rod and novel oil cylinder structure |
| WO2018233386A1 (en) * | 2017-06-19 | 2018-12-27 | 天纳克（苏州）排放系统有限公司 | Exhaust valve |
-
2004
- 2004-04-29 CN CN 200420049770 patent/CN2688953Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650326A (en) * | 2011-02-28 | 2012-08-29 | 株式会社利富高 | Damper |
| CN102588492A (en) * | 2012-01-18 | 2012-07-18 | 哈尔滨建成集团有限公司 | Hydraulic damping buffering device |
| CN104847892A (en) * | 2014-09-12 | 2015-08-19 | 无锡市威特机械有限公司 | Extruder oil cylinder piston rod and novel oil cylinder structure |
| CN104847892B (en) * | 2014-09-12 | 2017-11-07 | 无锡市威特机械有限公司 | A kind of extruder cylinder piston rod and cylinder structure |
| WO2018233386A1 (en) * | 2017-06-19 | 2018-12-27 | 天纳克（苏州）排放系统有限公司 | Exhaust valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Dinggu Metal Products Co., Ltd. Assignor: Lin Xinda Contract fulfillment period: 2005.10.10 to 2014.4.28 Contract record no.: 2008440000422 Denomination of utility model: Hydraulic cylinder for hinge Granted publication date: 20050330 License type: Exclusive license Record date: 20081201 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.10.10 TO 2014.4.28; CHANGE OF CONTRACT Name of requester: ZHONGSHAN CITY DINGGU METAL PRODUCTS CO., LTD. Effective date: 20081201 |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHONGSHAN DINGGU METAL PRODUCTS CO., LTD. Free format text: FORMER OWNER: LIN XINDA Effective date: 20100526 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100071 12-01, NO.7 FURUNYUAN, YIHAIHUAYUAN, FENGTAI DISTRICT, BEIJING TO: 528425 NO.7-2, EAST AREA OF HESUI INDUSTRIAL PARK, DONGFENG TOWN, ZHONGSHAN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100526 Address after: 528425 Guangdong city of Zhongshan Province Dongfeng Town East Industrial Park No. 7-2 and spike Patentee after: Zhongshan Dinggu Metal Products Co., Ltd. Address before: 100071 Beijing City, Fengtai District Furun Yihai Garden Park No. 7 12-01 Patentee before: Lin Xinda |
|
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TOPSTRONG JICHUANG FURNITURE CO., LTD. Free format text: FORMER NAME: ZHONGSHAN WANGU METALLIC PRODUCTS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Three road 528425 Guangdong city of Zhongshan province Dong Feng Zhen Dong Fu No. 429 Patentee after: Guangdong Topstrong Gingo Furniture Co., Ltd. Address before: 528425 Guangdong city of Zhongshan Province Dongfeng Town East Industrial Park No. 7-2 and spike Patentee before: Zhongshan Dinggu Metal Products Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140429 Granted publication date: 20050330 |