CN101122321B - Chain tightening arrangement for automobile engine - Google Patents
Chain tightening arrangement for automobile engine Download PDFInfo
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- CN101122321B CN101122321B CN2007100706950A CN200710070695A CN101122321B CN 101122321 B CN101122321 B CN 101122321B CN 2007100706950 A CN2007100706950 A CN 2007100706950A CN 200710070695 A CN200710070695 A CN 200710070695A CN 101122321 B CN101122321 B CN 101122321B
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- push rod
- automobile engine
- chain
- tightening arrangement
- chain tightening
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 48
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- 238000012856 packing Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a motorbike engine chain tensioner and belongs to the motorbike transmission technical field. The invention settles the problem that a prior motorbike chain tensioner cannot keep the tension of a chain consistent and the motorbike is provided with a large working noise, and so on. The motorbike engine chain tensioner comprises a tensioner body, a jacking rod in the body, and a jacking rod check mechanism between the jacking rod and the body. An external end of the jacking rod stretches out of the body, while the internal end is inisdie the body. A spring is arranged within the body, and is provided with a winding section wound into a plurality of coils and a free end section. The free end section is fixed inside the body. The external peripheral surface of the winding section jacks the internal end of the jacking rod in a flexible way. When the motorbike is at work, the invention can keep the tension of the chain of the motorbike consistent, and the working noise of the motorbike is effectively reduced. The whole tensioner is simple in the structure and convenient for assembling.
Description
Technical field
The present invention relates to a kind of belt tensioner, relate in particular to the tension device that a kind of chain that is used for motorcycle engine carries out tensioner.
Background technique
The power of motorcycle engine generally transmits through belt or chain.Because motor has revolution fluctuation, chain can elongation in the process of transferring power and cause loose, the reason that this is that the motorcycle engine port timing occurs is not normal, situation such as noise take place.The chain tension device can make chain keep suitable tensioner state, to prevent the appearance of above-mentioned situation.
The structure of existing chain tightening arrangement for automobile engine mainly comprises the tension device body of tubular, in body, is provided with the push rod of being made up of screw rod, swivel nut, and an end of swivel nut stretches out the outside of body, the other end be positioned at intrinsic screw flight and be connected.In described body, also be provided with clockwork spring or torsion spring, the screw pair that the potential energy that the clockwork spring of pretension or torsion spring are stored is formed through the screw rod swivel nut will rotatablely move and convert straight line motion into, change torsion into swivel nut outside thrust.The outer end of push rod is provided with top-pressure parts such as press strip or roller, and the top-pressure part roof pressure is on the chain of motorcycle, and when chain occurred being elongated phenomenon in the course of the work, the chain tension device can make it keep certain tensioner degree.But this tension device has following defective:
1, since clockwork spring or torsion spring when discharging institute and store potential energy, along with the number of turns of reversing of clockwork spring or torsion spring changes, torsion is followed variation, the thrust of transformation also changes.Incipient stage, thrust on the push rod is maximum, but the length of outside body, stretching out along with push rod is elongated, and the thrust that is added on the push rod diminishes gradually, and this makes the tensioner degree that tension device can not let chain be consistent in the course of the work.
2, change thrust into through the screw pair of push rod again because the thrust of push rod is the torsion that leans on clockwork spring or spring to discharge, receive the influence of screw pair accuracy of manufacturing and friction, make thrust loss; The reason thrust that adds first is extremely unstable, and wave range is big (generally reaching 30%～50%), and the motorcycle operating noise is big to making.
Summary of the invention
The objective of the invention is to existing existing the problems referred to above of chain tightening arrangement for automobile engine, provide a kind of simple in structure, can in the motorcycle working procedure, let chain keep the motor cycle engine chain tension device of constant tensioner degree.
The object of the invention can be realized through following technical proposal: a kind of chain tightening arrangement for automobile engine; Comprise hollow the tension device body, be located at intrinsic push rod, be located at the push rod stopping mechanism between push rod and the body; The outside of body is stretched out in the outer end of push rod, and the inner is positioned at body, it is characterized in that; Be provided with clockwork spring in the said body; Clockwork spring has coiling portion and the free end that is wound into some circles, and free end is connected in the body, and the outer circumferential face of coiling portion flexibly roof pressure is located in the inner of push rod.
In the above-mentioned chain tension device, clockwork spring generally is the steel band with certain elasticity and intensity, and clockwork spring begins to be wound into the discoid coiling portion with some circles from an end, and the other end is a free end.Free end on the clockwork spring is connected in the body, and the outer circumferential face of coiling portion flexibly roof pressure on the end face of the inner of push rod.In the time of in push rod is assembled to the tension device body, the push rod roof pressure is on the outer circumferential face of coiling portion on the clockwork spring, and the elastic force of the suffered clockwork spring of push rod can have certain constancy.The above-mentioned effect of being located at the push rod stopping mechanism between push rod and the body is to stop the push rod rollback; Promptly when motorcycle goes on the bad road surface of road conditions, chain can be prone to produce beating by a relatively large margin along with whole the jolting of motorcycle, and chain acted on reaction force on the push rod and can make push rod overcome the elastic force of clockwork spring and retract in the body this moment; Under the effect of stopping mechanism; Push rod can keep relative stability, thereby has also just limited the amplitude that chain is beated, and has reduced noise.
In this chain tightening arrangement for automobile engine, said push rod stopping mechanism comprises the taper chamber between push rod and body, and the taper chamber is along wide outside and narrow inside on the push rod length direction, at the indoor wedging part that is provided with of conical cavity.When push rod stretches out outside body; Push rod drives the movement outside of wedging part towards the taper chamber; Have gap between wedging part and the push rod this moment, and the wedging part can not hinder the motion of push rod, and when push rod in body during lateral movement; Push rod makes motion of wedging part and rapid wedging between the wall body of push rod and taper chamber, and push rod can not retract to the body inboard.The wedging part can be steel ball, roller or inclined-plane.This push rod stopping mechanism also can be replaced by the roller that is hinged on the curve cam on the body or be hinged on prejudicially on the body, but the stopping mechanism complex structure of this structure, and inconvenience is installed.
In this chain tightening arrangement for automobile engine, be provided with the steel bushing of annular in the described body, an end of steel bushing is provided with the inside oblique shirt rim of stretching out that is connected as a single entity with it, and described taper chamber is formed between the outer circumferential face of said shirt rim and push rod.
The steel bushing of this structure generally be by metal blank through stamping forming, when the steel ball wedging was between the steel bushing conical surface and push rod outer circumferential face, the invar cover conical surface had certain locking angle of wedge, this makes the wedging part can very stably maintain the wedging state.
In this chain tightening arrangement for automobile engine, the inside and outside both sides in steel bushing in described body are respectively equipped with packing ring and trim ring, and the outside of trim ring is provided with elastic component.On the body inner side surface, generally be provided with the ladder seam, be used to assemble packing ring and trim ring, packing ring and trim ring make above-mentioned steel ball be positioned at the chamber of a sealing.
In this chain tightening arrangement for automobile engine, said elastic component is the compressing tablet of a ring-type, is provided with the outside oblique retaining edge of stretching out that is connected as a single entity with it in the outer edge of compressing tablet.The oblique retaining that stretches out is along having certain elasticity, and retaining is along acting on the body, and this elastic component also can be a spring, but a trim ring preferably also need be set to limit steel ball between spring and the steel bushing.
In this chain tightening arrangement for automobile engine, be provided with the going barrel of hollow in the described body, the coiling portion on the said clockwork spring is positioned at going barrel, and the free end on the said clockwork spring is connected in the end of going barrel.The free end of clockwork spring is generally suppressed by the end face of going barrel, can certainly make clockwork spring be fixed on the going barrel through the mode of welding, but its inconvenience dismounting.
In this chain tightening arrangement for automobile engine, an end place relative with the push rod outer end on the described body is provided with modified gear, and modified gear links through going barrel and described steel bushing.Make going barrel apply a pressure during work of operation modified gear to steel bushing; Steel bushing moves certain distance towards the external part direction of push rod, makes steel bushing and packing ring throw off certain distance, during the stressed rollback of push rod; The steel ball wedging is between the push rod periphery and the steel bushing conical surface, and this moment, push rod can not bounce back; During the reverse operating modified gear,, compressing tablet elasticity moves down certain distance, steel bushing lower end surface contact packing ring because of making steel bushing; Steel ball can not arrive between the shirt rim of push rod and steel bushing in wedging; Push rod can retract in the body, and this has made things convenient for when changing chain or brachymemma chain, to the operation of this chain tension device.
In this chain tightening arrangement for automobile engine, said modified gear comprises that one is threaded in the plug screw of body end.When the turn plug screw, described going barrel can be followed plug screw and done along moving on the push rod length direction, thereby steel bushing is moved, and realizes deflection function.
In this chain tightening arrangement for automobile engine, said body is fixed with the guide cylinder of a hollow towards the end of push rod outer end, and said push rod passes guide cylinder.The purpose of guide cylinder is that push rod is led when carrying out axial motion.
In this chain tightening arrangement for automobile engine, in being provided with, the outer end of said guide cylinder, on the outer circumferential face of push rod, is provided with snap ring to bulge loop.Snap ring protrudes on the outer circumferential face of push rod, and when push rod reached the limit position in the body outside, snap ring was connected on the inner peripheral surface of said bulge loop, breaks away from body fully to prevent push rod.
Compared with prior art, beneficial effect of the present invention is:
1, in this tension device, owing to be to utilize coiling portion on the clockwork spring directly to the push rod applied thrust, push rod is in the process that reaches the body outside gradually; Coiling portion reels gradually, and the elastic force that is produced by coiling portion can be because of coiling action change, therefore yet; The size of suffered elastic force can keep relative constant on the push rod, and the pressure that push rod is applied on the chain correspondingly also keeps constant relatively, thereby makes chain in the motorcycle working procedure; Its tensioner degree can be consistent; Be convenient to the pressure that push rod is applied on the chain is selected, can reduce the operating noise of motorcycle effectively, component relevant on the motorcycle are not fragile.
2, since let on the clockwork spring coiling portion directly flexibly roof pressure on push rod, make that also whole tension device is simple in structure, be convenient to assembling.
Description of drawings
Fig. 1 is the sectional view of this chain tension device.
Fig. 2 is the cutaway view Amplified image of the pushing sleeve in this chain tension device.
Fig. 3 is the structure for amplifying schematic representation of the packing ring in this chain tension device.
Fig. 4 is the cutaway view Amplified image of the steel bushing in this chain tension device.
Fig. 5 is the cutaway view Amplified image of the compressing tablet in this chain tension device.
Fig. 6 is packing ring, steel bushing, the steel ball key plan when being in the wedging state of the stopping mechanism in this chain tension device.
Fig. 7 is packing ring, steel bushing, the steel ball key plan when being in the adjustment state of the stopping mechanism in this chain tension device.
Among the figure, 1, plug screw; 2, body; 3, push pedal; 4, going barrel; 5, clockwork spring; 51, coiling portion; 52, free end; 6, steel bushing; 61, shirt rim; 7, compressing tablet; 71, retaining edge; 8, guide cylinder; 81, bulge loop; 9, snap ring; 10, push rod; 11, steel ball; 12, packing ring; 121, jack; 13, pushing sleeve; 131, pin.
Embodiment
See Fig. 1, the agent structure of chain tightening arrangement for automobile engine of the present invention is the tension device body 2 of a hollow, in body 2, is axially arranged with shaft-like push rod 10 along it, and the outside of body 2 is stretched out in the outer end of push rod 10, and the inner is positioned at body 2.In body 2, also be fixed with clockwork spring 5.Clockwork spring 5 used in the present embodiment is the constant force clockwork spring; This clockwork spring 5 has free end 52 and the discoid coiling portion 51 that is wound into some circles; Said free end 52 is connected in the body 2, and the outer circumferential face of coiling portion 51 flexibly roof pressure on the inner end face of push rod 10.
Between body 2 and push rod 10, also be provided with and be used to prevent that push rod 10 from retracting to the stopping mechanism in the body 2; On an end relative on the body 2, be provided with modified gear with push rod 10 outer ends; Modified gear and stopping mechanism link, and the operation modified gear can be removed the retraction qualification of stopping mechanism to push rod 10.
Above-mentioned stopping mechanism comprises the taper chamber that is formed between body 2 and push rod 10 outer circumferential faces and is located at the indoor steel ball of this conical cavity 11, and the taper chamber is along wide outside and narrow inside on the length direction of push rod 10; In body 2, be provided with the steel bushing 6 of annular; See Fig. 4; One end of steel bushing 6 is provided with the inside oblique shirt rim of stretching out 61 that is connected as a single entity with it; Described taper chamber is formed between the outer circumferential face of shirt rim 61 and push rod 10, and the inside and outside both sides of steel bushing 6 are respectively equipped with the packing ring 12 and the trim ring of annular, on the inner peripheral surface of body 2, also are provided with the ladder seam that is used to assemble packing ring 12.Be provided with compressing tablet 7 in the outside of trim ring, see Fig. 5, the retaining of oblique protruding annular is along 71 on the outer periphery of compressing tablet 7, and retaining acts on the body 2 along 71.See Fig. 2, Fig. 3; Said packing ring 12 is provided with jack 121; Be provided with pushing sleeve 13 cylindraceous in the inboard of packing ring 12; This pushing sleeve 13 is provided with the pin 131 consistent with jack 121 numbers, and pin 131 is plugged in the jack 121 with gap, and the end of pin 131 is plugged in the annular groove of above-mentioned steel bushing 6 lower end punching presses formation.Be provided with the going barrel 4 of four prism type in the inboard of pushing sleeve 13; Coiling portion 51 on the aforementioned clockwork spring 5 is positioned at going barrel 4; Free end 52 on the clockwork spring 5 is hung on the end edge of going barrel 4; Pushing sleeve 13 and going barrel 4 fasten to be gone up and pushes down clockwork spring coiling portion 51 peripheries, and the inner end of said push rod 10 passes above-mentioned compressing tablet 7, trim ring, steel bushing 6, packing ring 12, pushing sleeve 13 respectively and extend in the going barrel 4, the outer circumferential face of the coiling portion 51 on the clockwork spring 5 flexibly roof pressure on the inner end face of push rod 10.The end of going barrel 4 the other ends is socketed with top board 3, and above-mentioned modified gear is one to be threaded in the plug screw 1 of body 2 ends, and the inner end roof pressure of plug screw 1 is on top board 3.
Be provided with circular pit at body 2 near the end of push rod 10 outer ends, in this pit, be connected with a guide cylinder 8 cylindraceous, the retaining on the above-mentioned compressing tablet 7 along 71 flexibly roof pressure in the end of guide cylinder 8.Push rod 10 runs through guide cylinder 8, and the outer end of guide cylinder 8 is provided with interior to bulge loop 81, and on the outer circumferential face of push rod 10, is connected with the snap ring 9 of protrusion.When push rod 10 stretched out the limit position in body 2 outsides, snap ring 9 was connected on the internal surface of bulge loop 81.
This chain tightening arrangement for automobile engine generally is to be assemblied on the vehicle frame of motorcycle with vertical direction, and push rod 10 is to chain with straight down direction top.When phenomenon took place to elongate in the motorcycle working procedure chain, under the effect of clockwork spring 5 upper elasticities, push rod 10 was towards the direction displacement of chain, thereby makes chain keep certain tensioner degree.For the aforesaid taper chamber that is formed between body 2 and the push rod 10, this taper chamber is along having less cone angle on push rod 10 length directions, and promptly steel ball 11 can form certain wedging angle with the taper chamber.Need let stopping mechanism to the limited tailor-made time spent of the retraction of push rod 10, the plug screw 1 of screwing, plug screw 1 end push pedal 3; Through going barrel 4, pushing sleeve 13, move certain distance thereby promote steel bushing 6 towards push rod 10 outer ends, compressing tablet 7 compressions at this moment; See Fig. 6, steel bushing 6 lower end surfaces break away from packing ring 12; When push rod 10 had the trend that retracts in the body 2, steel ball 11 meeting wedgings were between said shirt rim 61 and push rod 10, thus the retraction of qualification push rod 10.And artificial when making push rod 10 retractions when needing, can unscrew plug screw 1 and make going barrel 4 lower ends vacate certain space, compressing tablet 7 elastic force promote steel bushing 6 and move towards the interior extreme direction of push rod 10; See Fig. 7, steel bushing 6 lower end surfaces contact packing ring 12, at this moment; Can not form the wedging state between described steel bushing 6, push rod 10, the steel ball 11; And can have the gap between the outer circumferential face of steel ball 11 and push rod 10, under the effect of external force, push rod 10 can be in body 2 rollback.
Claims (8)
1. chain tightening arrangement for automobile engine, comprise hollow tension device body (2), be located at push rod (10) in the body (2), be located at the push rod stopping mechanism between push rod (10) and the body (2), the outside of body (2) is stretched out in the outer end of push rod (10); The inner is positioned at body (2); It is characterized in that, be provided with clockwork spring (5) in the said body (2), clockwork spring (5) has coiling portion (51) and the free end (52) that is wound into some circles; Free end (52) is connected in the body (2); Flexibly roof pressure is at the place, the inner of push rod (10) for the outer circumferential face of coiling portion (51), and the push rod stopping mechanism comprises the taper chamber that is positioned between push rod (10) and the body (2), and the taper chamber is along wide outside and narrow inside on push rod (10) length direction; At the indoor wedging part that is provided with of conical cavity; Be provided with the steel bushing (6) of annular in the body (2), an end of steel bushing (6) is provided with the inside oblique shirt rim of stretching out (61) that is connected as a single entity with it, and described taper chamber is formed between the outer circumferential face of said shirt rim (61) and push rod (10).
2. chain tightening arrangement for automobile engine according to claim 1 is characterized in that, in described body (2), is respectively equipped with packing ring (12) and trim ring in the inside and outside both sides of steel bushing (6), and the outside of trim ring is provided with elastic component.
3. chain tightening arrangement for automobile engine according to claim 2 is characterized in that, said elastic component is the compressing tablet (7) of a ring-type, is provided with the outside oblique retaining that stretches out that is connected as a single entity with it along (71) in the outer edge of compressing tablet (7).
4. chain tightening arrangement for automobile engine according to claim 3; It is characterized in that; Be provided with the going barrel (4) of hollow in the described body (2); Coiling portion (51) on the said clockwork spring (5) is positioned at going barrel (4), and the free end (52) on the said clockwork spring (5) is connected in the end of going barrel (4).
5. chain tightening arrangement for automobile engine according to claim 4 is characterized in that, described body (2) is gone up an end place relative with push rod (10) outer end and is provided with modified gear, and modified gear links through going barrel (4) and described steel bushing (6).
6. chain tightening arrangement for automobile engine according to claim 5 is characterized in that, said modified gear comprises that one is threaded in the plug screw (1) of body (2) end.
7. chain tightening arrangement for automobile engine according to claim 1 is characterized in that, said body (2) is fixed with the guide cylinder (8) of a hollow towards the end of push rod (10) outer end, and said push rod (10) passes guide cylinder (8).
8. chain tightening arrangement for automobile engine according to claim 7 is characterized in that, to bulge loop (81), on the outer circumferential face of push rod (10), is provided with snap ring (9) in the outer end of said guide cylinder (8) is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100706950A CN101122321B (en) | 2007-09-06 | 2007-09-06 | Chain tightening arrangement for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100706950A CN101122321B (en) | 2007-09-06 | 2007-09-06 | Chain tightening arrangement for automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101122321A CN101122321A (en) | 2008-02-13 |
| CN101122321B true CN101122321B (en) | 2012-02-08 |
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ID=39084776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100706950A Expired - Fee Related CN101122321B (en) | 2007-09-06 | 2007-09-06 | Chain tightening arrangement for automobile engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101122321B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615509B (en) * | 2013-12-12 | 2016-06-29 | 玉环中本机械有限公司 | A kind of chain tightening arrangement for automobile engine |
| JP6736780B2 (en) * | 2017-09-29 | 2020-08-05 | 本田技研工業株式会社 | Hydraulic tensioner |
| CN109531400B (en) * | 2018-12-10 | 2020-03-20 | 浙江大学台州研究院 | Grinding measuring mechanism for spring type tensioner of motorcycle |
| CN109794765B (en) * | 2018-12-10 | 2020-10-30 | 浙江大学台州研究院 | Automatic assembling and detecting production line for spring type tensioner of motorcycle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524725A (en) * | 1994-07-01 | 1996-06-11 | Arctco, Inc. | Automatic chain tension adjustor |
| CN2931937Y (en) * | 2006-07-28 | 2007-08-08 | 高喜 | Tension device of motorbicycle engine chain |
| CN201090691Y (en) * | 2007-09-06 | 2008-07-23 | 高喜 | Tightening device of motorcycle engine chain |
-
2007
- 2007-09-06 CN CN2007100706950A patent/CN101122321B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524725A (en) * | 1994-07-01 | 1996-06-11 | Arctco, Inc. | Automatic chain tension adjustor |
| CN2931937Y (en) * | 2006-07-28 | 2007-08-08 | 高喜 | Tension device of motorbicycle engine chain |
| CN201090691Y (en) * | 2007-09-06 | 2008-07-23 | 高喜 | Tightening device of motorcycle engine chain |
Non-Patent Citations (2)
| Title |
|---|
| JP 6193695 A,全文. |
| JP昭59-219552A 1984.12.10 |
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| CN101122321A (en) | 2008-02-13 |
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Free format text: CORRECT: ADDRESS; FROM: 317602 YUHUAN ZHONGBEN MACHINERY CO., LTD., HAICHENG ROAD,KANMEN, ZHUGANG CITY, YUHUAN COUNTY, ZHEJIANG PROVINCE. TO: 317602 KANMENHAICHENG ROAD, ZHUGANG TOWN, YUHUAN COUNTY, ZHEJIANG PROVINCE |
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Effective date of registration: 20100511 Address after: 317602 Yuhuan County Town, Zhujiang Town, Zhejiang, Haicheng Province, Kanmen Applicant after: YUHUAN ZHONGBEN MACHINERY Co.,Ltd. Address before: 317602 Yuhuan County Kanmen Town, Haicheng Road, Yuhuan, China Zhejiang Machinery Co., Ltd. Applicant before: Gao Xi |
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Address after: 317602 Haicheng Road, Kanmen, Zhugang Town, Yuhuan County, Zhejiang Province Patentee after: Zhejiang Zhongben Machinery Co.,Ltd. Address before: 317602 Haicheng Road, Kanmen, Zhugang Town, Yuhuan County, Zhejiang Province Patentee before: YUHUAN ZHONGBEN MACHINERY Co.,Ltd. |
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Granted publication date: 20120208 |