CN103016618B - Sleeve roller chain - Google Patents
Sleeve roller chain Download PDFInfo
- Publication number
- CN103016618B CN103016618B CN201310009725.2A CN201310009725A CN103016618B CN 103016618 B CN103016618 B CN 103016618B CN 201310009725 A CN201310009725 A CN 201310009725A CN 103016618 B CN103016618 B CN 103016618B
- Authority
- CN
- China
- Prior art keywords
- roller
- chain
- sleeve
- seal element
- pivot pin
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Chain Conveyers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a sleeve roller chain comprising inner chain plates, outer chain plates, a sleeve, dowels and first rollers. The inner chain plates and the outer chain plates are identical in number, one side of each outer chain plate protrudes outwards to form a lug, one dowel is arranged between two outer chain plates of the same link via one lug, and one second roller arranged between each two outer chain plates is sleeved on each dowel and used for supporting in a corresponding groove of a chain wheel after a link where the second roller is located meshes into the chain wheel. Preferably, wear-resistant sleeves are arranged between the second rollers and the dowels, first sealing components are arranged between the inner chain plates and the outer chain plates, second sealing components are sleeved at two ends of the wear-resistant sleeves or the dowels, and arc-shaped grooves used for supporting the second rollers are formed between two opposite curved working surfaces of adjacent sprockets of the assorted chain wheels. The sleeve roller chain has the advantages that structural limit of a conventional roller chain is overcome, abrasion of the chain and impact thereon are alleviated, transmission stability of the sleeve roller chain is improved, the service life of the sleeve roller chain is prolonged, and noise and using cost are reduced.
Description
Technical field
The present invention relates to chain drive component, particularly a kind of for powerdriven sleeve roller chain.
Background technique
Chain conveyer will have the motion of the drive sprocket of special tooth profile and transmission of power to a kind of kind of drive of driven sprocket with special tooth profile by chain.Chain conveyer has many advantages, compared with V belt translation, and nonelastic slip and skidding, average ratios is accurate, reliable operation, and efficiency is high; Transmitted power is large, and overload capacity is strong, and the transmission size under identical operating mode is little; Required tension force is little, and the pressure acted on axle is little; It can at high temperature, humidity, many dirt, have in the rugged environment such as pollution and work.Different according to purposes, chain can be divided into load chain, tow chain and Transmitted chains three major types.Transmitted chains has silent chain and bush roller chain two kinds; Silent chain utilizes the chain sheet of specific profile of tooth and sprocket wheel to be meshed to realize transmission, silent chain stable drive, and noise is very little, therefore also known as silent chain drive.The operating rate that silent chain allows can reach 40m/s, but manufacture cost is high, and weight is large, thus be used at a high speed or kinematic accuracy require higher occasion.Bush roller chain forms single-row or multiple row by inner plate, outer plate, sleeve, bearing pin, roller, outer plate is fixed on bearing pin, inner plate is fixed on sleeve, all can relatively rotate between roller and sleeve and between sleeve and bearing pin and form hinge type linkage structure, chain is mainly rolling friction with engaging of sprocket wheel, thus bush roller chain is more lightweight than silent chain, the life-span is long, cost is low, apply comparatively wide in power transmission, if existing motorcycle and bicycle are all adopt the chain of single-row bush roller chain and sprocket wheel to carry out power transmission usually.Chaindriven failure mode mainly contains carrier bar fatigue ruption; Gummed, the chain hinge pin of the impact fatigue destruction of roller, sleeve, bearing pin and sleeve wear and tear, transship and break.Because first chaindriven meshing impact is born by roller and sleeve.Under repeated multiple times impact, through certain cycle-index, impact fatigue may occur for roller, sleeve destroys; And wearing and tearing are mechanically operated inevitable phenomenons, when exposed drive, Environmental Conditions inclement condition and insufficient lubrication, after chain wearing and tearing, chain link is elongated, easily causes and jumps tooth or de-chain, thus sharply reduce the working life of chain.For motorcycle, its Chain conveyer belongs to typical exposed drive, and there is Environmental Conditions inclement condition and insufficient lubrication, therefore, failure mode be mainly manifested in chain wearing and tearing and roller, sleeve impact fatigue destroy.When riding at upward slope and rugged section, these failure mode general performances are chain breakage, easily cause motorcycle glide or topple over, bring potential safety hazard to bicycler.For this reason, need to improve, to improve working life and the load capacity of existing motorcycle chain, effectively reduce riding safety hidden danger.
Summary of the invention
The first object of the present invention is exactly the deficiency for existing bush roller chain, provides that a kind of long service life, load capacity are strong, the sleeve roller chain of stable drive.
For achieving the above object, the present invention adopts following technological scheme:
A kind of sleeve roller chain, be made up of inner plate, outer plate, sleeve, bearing pin and the first roller, inner plate is equal with outer plate quantity, the side of described outer plate is outwardly lug, a pivot pin is provided with by lug between two outer plates of same chain link, pivot pin is socketed with second roller between two outer plates, the second roller is used in the respective slot of the engaging-in sprocket wheel rear support of its place chain link at sprocket wheel.
Adopt the present invention of preceding solution, owing to having lug the side of outer plate is outwardly, a pivot pin is provided with by lug between two outer plates of same chain link, pivot pin is socketed with one second roller, the second roller is used in the respective slot of the engaging-in sprocket wheel rear support of its place chain link at sprocket wheel.When this Transmitted chains works, drive sprocket rotates and is engaged on one by one on sprocket by the chain link of chain, sprocket wheel passes through the working surface of sprocket side to the tangential pressure of one first roller formation one of the same outer plate front end of chain along sprocket wheel point of contact, this tangential pressure forms a pulling force to chain, this pulling force makes chain-driving driven sprocket rotate, in Movement transmit process, drive sprocket also to the first roller of two on same outer plate and one second roller to formation one radial effect pressure, driven sprocket to the first roller of two on same inner plate and one second roller to the radial reaction pressure of formation one, therefore, this radial forces or reaction force are all born by the second roller between the roller at chain link two ends and two rollers.Relative to the bush roller chain of prior art, this radial forces or reaction force are except the roller by chain link two ends is born, also shared by the second roller, therefore, the active force that chain link two ends roller bears obvious reduction more stressed than the roller of the bush roller chain of prior art, wearing and tearing can be slowed down and reduce impact strength, thus effectively improving its working life; Simultaneously, a kind of Chain conveyer mode close to silent chain is defined between second roller and sprocket wheel, but also, also can form the rolling friction being different from silent chain sliding friction between second roller and the groove of sprocket wheel to be connected, both can improve transmission stability, and reduce sprocket wheel to the impact strength of roller, it also avoid the hidden danger that silent chain is easy to wear, increase the service life further, reduce user cost.
Preferably, the first seal element is provided with between described inner plate and outer plate, first seal element is sleeved on described sleeve or bearing pin, and the first seal element is used for forming sealing by outer plate inner side surface to described sleeve end face or only for coordinating cylndrical surface to be formed to seal to sleeve and bearing pin.To keep sleeve not leak with the lubricant grease of cylndrical surface that coordinates of bearing pin, and prevent dust and impurity from entering wherein, thus keep good lubrication effect, extend chain working life.
Further preferred, described second roller two ends or pivot pin are also set with the second seal element, and the second seal element is used for forming sealing by outer plate inner side surface to the second roller end face or only for coordinating cylndrical surface to be formed to seal to the second roller and pivot pin.To keep the second roller not leak with the lubricant grease of cylndrical surface that coordinates of pivot pin, and prevent dust and impurity from entering wherein, thus keep good lubrication effect, extend chain working life.
Preferred further, be also provided with wear-resistant sleeve between described second roller and pivot pin.To optimize structure, be convenient to change separately after the second roller damages, increase the service life, reduce user cost.
Further preferred, described wear-resistant sleeve two ends or pivot pin are also set with the second seal element, and the second seal element is used for forming sealing by outer plate inner side surface to wear-resistant sleeve end face or only for coordinating cylndrical surface to be formed to seal to wear-resistant sleeve and pivot pin.To keep wear-resistant sleeve not leak with the lubricant grease of cylndrical surface that coordinates of pivot pin, and prevent dust and impurity from entering wherein, thus keep good lubrication effect, extend chain working life.
Preferred further, the distance h on described second roller axis to same chain link between two first roller axis place planes and the ratio of two first roller axis spacing t are 0.40 ~ 0.75.By structure optimization, rational h value can guarantee that chain can steadily enter freely and exit and the engaging of sprocket wheel, and is convenient to sprocket wheel processing and guarantees chain sprocket structure intensity.To improve chaindriven overall working life further, reduce user cost.
With the sprocket wheel that chain of the present invention is supporting, two of its adjacent sprocket is formed with groove between working curved surface in opposite directions, described groove is circular arc, the radius of arc of groove and the second radius of roller of chain of the present invention adapt, groove is used for the second roller described in the engaging-in sprocket wheel rear support of the chain link of described chain, and the working surface of side corresponding to described sprocket, groove top has described second roller and enters reposefully and exit the fillet surface of described groove.
Through experimental verification, bush roller chain of the present invention is compared with the bush roller chain of conventional construction same size, and its load capacity can improve about 30%, and under the same load, its life-span can improve nearly one times, and noise can reduce by 1 ~ 3 decibel, effectively can reduce user cost.
The invention has the beneficial effects as follows, breach the structural limitations of conventional sleeve roller chain, by to chain with the reallocation of sprocket engagement phase to chain force, slow down chain wear and reduce its impact strength, improve transmission stability and the working life of bush roller chain, reduce noise and user cost.
Accompanying drawing explanation
Fig. 1 is the structural representation axonometric drawing of sleeve roller chain of the present invention.
Fig. 2 is the plan view of sleeve roller chain of the present invention.
Fig. 3 is the plan view of Fig. 2 of the present invention.
Fig. 4 is the first structural type of the A-A sectional view in Fig. 3 of the present invention.
Fig. 5 is the B portion enlarged view in Fig. 4 of the present invention.
Fig. 6 is the first structural type of the C-C sectional view in Fig. 4 of the present invention.
Fig. 7 is the second structural type of the C-C sectional view in Fig. 4 of the present invention.
Fig. 8 is the third structural type of the C-C sectional view in Fig. 4 of the present invention.
Fig. 9 is the first structural type of the D-D sectional view in Fig. 4 of the present invention.
Figure 10 is the second structural type of the D-D sectional view in Fig. 4 of the present invention.
Figure 11 is the third structural type of the D-D sectional view in Fig. 4 of the present invention.
Figure 12 is the second structural type of the A-A sectional view in Fig. 3 of the present invention.
Figure 13 is the E portion enlarged view in Figure 12 of the present invention.
Figure 14 is the first structural type of the E-E sectional view in Figure 12 of the present invention.
Figure 15 is the second structural type of the E-E sectional view in Figure 12 of the present invention.
Figure 16 is the third structural type of the E-E sectional view in Figure 12 of the present invention.
Figure 17 is the Motorcycle Chain Transmission system architecture signal axonometric drawing be made up of sleeve roller chain of the present invention and supporting sprocket wheel thereof.
Figure 18 is the structural representation axonometric drawing of the drive sprocket 9 applied in the Motorcycle Chain Transmission system of sleeve roller chain of the present invention.
Figure 19 is the structural representation plan view of the drive sprocket 9 applied in the Motorcycle Chain Transmission system of sleeve roller chain of the present invention.
Figure 20 is the structural representation axonometric drawing of the driven sprocket 10 applied in the Motorcycle Chain Transmission system of sleeve roller chain of the present invention.
Figure 21 is the structural representation plan view of the driven sprocket 10 applied in the Motorcycle Chain Transmission system of sleeve roller chain of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but therefore do not limit the present invention among described scope of embodiments.
embodiment 1see Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of sleeve roller chain, be made up of inner plate 1, outer plate 2, sleeve 3, bearing pin 4 and the first roller 5, inner plate 1 is equal with outer plate 2 quantity, the side of described outer plate 2 is outwardly lug 2a, a pivot pin 6 is provided with by lug 2a between two outer plates 2 of same chain link, pivot pin 6 is socketed with second roller 7, second roller 7 between two outer plates 2 in the respective slot of the engaging-in sprocket wheel rear support of its place chain link at sprocket wheel.
See Fig. 6, the first seal element 41 is provided with between described inner plate 1 and outer plate 2, first seal element 41 is sleeved on the seal element installation step that described sleeve 3 is provided with, first seal element 41 is for forming sealing by outer plate 2 inner side surface to described sleeve 3 end face, meanwhile, coordinate cylndrical surface to be formed to seal also to sleeve 3 and bearing pin 4.
See Fig. 9, described second roller 7 two ends are also respectively set with one second seal element 61 by seal element installation step, second seal element 61, for forming sealing by outer plate 2 inner side surface to the second roller 7 end face, meanwhile, coordinates cylndrical surface to be formed to seal also to the second roller 7 and pivot pin 6.
Distance h between described second roller 7 axis to two first roller 5 axis place planes on same chain link and two first roller 5 axis spacings are 0.40 ~ 0.75 from the ratio of t.
embodiment 2see Fig. 7, described first seal element 41 is sleeved on described bearing pin 4, described sleeve 3 two ends are provided with the step hole coordinated with the first seal element 41, and the first seal element 41 is only for coordinating cylndrical surface to be formed to seal to described sleeve 3 and bearing pin 4 by outer plate 2 inner side surface.
All the other structures of the present embodiment are identical with embodiment 1, do not repeat them here.
embodiment 3see Fig. 8, described first seal element 41 is sleeved on described bearing pin 4, and the first seal element 41 is only for coordinating cylndrical surface to be formed to seal to described sleeve 3 and bearing pin 4 by outer plate 2 inner side surface.
All the other structures of the present embodiment are identical with embodiment 1, do not repeat them here.
embodiment 4,see Figure 10, described second seal element 61 is sleeved on described pivot pin 6, described second roller 7 two ends are provided with the step hole coordinated with the second seal element 61, and the second seal element 61 is only for coordinating cylndrical surface to be formed to seal to described second roller 7 and pivot pin 6 by outer plate 2 inner side surface.
All the other structures of the present embodiment and embodiment 1,2 or 3 identical, do not repeat them here.
embodiment 4,see Figure 11, described second seal element 61 is sleeved on described pivot pin 6, and the second seal element 61 is only for coordinating cylndrical surface to be formed to seal to described second roller 7 and pivot pin 6 by outer plate 2 inner side surface.
All the other structures of the present embodiment and embodiment 1,2 or 3 identical, do not repeat them here.
embodiment 6see Figure 12, Figure 13, between described second roller 7 and pivot pin 6, be also provided with wear-resistant sleeve 8.
See Figure 14, described wear-resistant sleeve 8 two ends are also respectively set with one second seal element 61 by seal element installation step, described second roller 7 two ends are provided with the step hole coordinated with the second seal element 61, second seal element 61 is for forming sealing by outer plate 2 inner side surface to wear-resistant sleeve 8 end face, meanwhile, coordinate cylndrical surface to be formed to seal also to wear-resistant sleeve 8 and pivot pin 6.
All the other structures of the present embodiment and embodiment 1,2,3,4 or 5 identical, do not repeat them here.
embodiment 7see Figure 15, described pivot pin 6 is set with two the second seal elements 61, described wear-resistant sleeve 8 two ends are provided with the step hole coordinated with the second seal element 61, and the second seal element 61 is only for coordinating cylndrical surface to be formed to seal to wear-resistant sleeve 8 and pivot pin 6 by outer plate 2 inner side surface.
All the other structures of the present embodiment are identical with embodiment 6, do not repeat them here.
embodiment 8see Figure 15, described pivot pin 6 is set with two the second seal element 61, second seal elements 61 only for coordinating cylndrical surface to be formed to seal to wear-resistant sleeve 8 and pivot pin 6 by outer plate 2 inner side surface.
All the other structures of the present embodiment are identical with embodiment 7, do not repeat them here.
embodiment 9see Figure 17, Figure 18, Figure 19, Figure 20, Figure 21, a kind of bush roller chain for motorcycle connects transmission system, comprise the chain of any embodiment in embodiment 1 ~ 8, drive sprocket 9, driven sprocket is 10, sprocket 11 in the sprocket body of drive sprocket 9 and driven sprocket 10, sprocket 11 has the energy-conservation profile of tooth steadily entering freely and exit engagement of chain, two of adjacent sprocket 11 is formed with groove 12 in opposite directions between working curved surface, described groove 12 is in circular arc, described in the radius of arc of groove 12 and the embodiment of the present invention 1, the second roller 7 radius of chain adapts, groove 12 is for the second roller 7 described in the engaging-in sprocket wheel rear support of the chain link of described chain, groove 12 top and the working surface of the described corresponding side of sprocket 11 have the fillet surface that described second roller 7 entered and exited described groove 12 reposefully, the body of described drive sprocket 9 is provided with the inner splined hole 9a that the splined shaft for the Power output with motorcycle engine is connected, uniform four bolt mounting holes 10a for being connected with the overrunning clutch of motorcycle drive wheel by bolt in the sprocket body of described driven sprocket 10, the sprocket body of driven sprocket 10 is also evenly distributed in multiple lightening hole 13.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a sleeve roller chain, by inner plate (1), outer plate (2), sleeve (3), bearing pin (4) and the first roller (5) composition, inner plate (1) is equal with outer plate (2) quantity, it is characterized in that, the side, middle part of described outer plate (2) is outwardly a lug (2a), a pivot pin (6) is provided with by lug (2a) between two outer plates (2) of same chain link, pivot pin (6) is socketed with one and is positioned at the second roller (7) between two outer plates (2), second roller (7) is in the respective slot of the engaging-in sprocket wheel rear support of its place chain link at sprocket wheel, distance h between described second roller (7) axis to two first roller (5) axis place planes on same chain link and two first roller (5) axis spacings are 0.40 ~ 0.75 from the ratio of t.
2. sleeve roller chain according to claim 1, it is characterized in that: between described inner plate (1) and outer plate (2), be provided with the first seal element (41), first seal element (41) is sleeved on described sleeve (3) or bearing pin (4), and the first seal element (41) is for forming sealing by outer plate (2) inner side surface to described sleeve (3) end face or only for coordinating cylndrical surface to be formed to seal to sleeve (3) and bearing pin (4).
3. sleeve roller chain according to claim 1 and 2, it is characterized in that: described second roller (7) two ends or pivot pin (6) are also set with the second seal element (61), the second seal element (61) is for forming sealing by outer plate (2) inner side surface to the second roller (7) end face or only for coordinating cylndrical surface to be formed to seal to the second roller (7) and pivot pin (6).
4. sleeve roller chain according to claim 1 and 2, is characterized in that: be also provided with wear-resistant sleeve (8) between described second roller (7) and pivot pin (6).
5. sleeve roller chain according to claim 4, it is characterized in that: described wear-resistant sleeve (8) two ends or pivot pin (6) are also set with the second seal element (61), the second seal element (61) is for forming sealing by outer plate (2) inner side surface to wear-resistant sleeve (8) end face or only for coordinating cylndrical surface to be formed to seal to wear-resistant sleeve (8) and pivot pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009725.2A CN103016618B (en) | 2013-01-11 | 2013-01-11 | Sleeve roller chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009725.2A CN103016618B (en) | 2013-01-11 | 2013-01-11 | Sleeve roller chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016618A CN103016618A (en) | 2013-04-03 |
| CN103016618B true CN103016618B (en) | 2015-05-13 |
Family
ID=47965569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009725.2A Expired - Fee Related CN103016618B (en) | 2013-01-11 | 2013-01-11 | Sleeve roller chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016618B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342316A (en) * | 2013-07-15 | 2013-10-09 | 浙江长兴西林链条链轮有限公司 | Leaf chain assembly technology of forklift truck |
| CN103511556A (en) * | 2013-10-19 | 2014-01-15 | 甘肃农业大学 | Torque-increasing chain |
| CN103758928B (en) * | 2014-01-23 | 2015-09-23 | 杭州盾牌链条有限公司 | A kind of chain for agricultural harvester and chain fittings thereof |
| CN110816752B (en) * | 2019-10-14 | 2024-05-28 | 南京市同亮科技有限公司 | Traction mechanism for marine rescue ship |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734404A (en) * | 2011-04-14 | 2012-10-17 | 江沼链条制作所 | Silent chain transmission device |
| CN102817963A (en) * | 2012-09-18 | 2012-12-12 | 罗吟吟 | Novel arc chain and chain wheel |
| CN203023392U (en) * | 2013-01-11 | 2013-06-26 | 张应新 | Bush roller chain |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009103185A (en) * | 2007-10-22 | 2009-05-14 | Tsubakimoto Chain Co | Chain transmission device |
| KR20090113179A (en) * | 2008-04-25 | 2009-10-29 | 가부시기가이샤쯔바기모도체인 | Conveyor chain |
-
2013
- 2013-01-11 CN CN201310009725.2A patent/CN103016618B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734404A (en) * | 2011-04-14 | 2012-10-17 | 江沼链条制作所 | Silent chain transmission device |
| CN102817963A (en) * | 2012-09-18 | 2012-12-12 | 罗吟吟 | Novel arc chain and chain wheel |
| CN203023392U (en) * | 2013-01-11 | 2013-06-26 | 张应新 | Bush roller chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016618A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016618B (en) | Sleeve roller chain | |
| CN102927203B (en) | Sleeve roller chain and chain wheel | |
| CN203023392U (en) | Bush roller chain | |
| CN207609732U (en) | A kind of structure-improved chain | |
| CN205559694U (en) | Novel chain link unit of chain drive | |
| CN203548710U (en) | Silent chain | |
| CN202901168U (en) | Chain and chain wheel of bush roller chain | |
| CN203127627U (en) | Carrier roller of chain bucket machine | |
| CN103557270A (en) | Tooth-shaped chain | |
| CN202863706U (en) | Soil discharge groove chain wheel | |
| CN107606060A (en) | A kind of structure-improved chain | |
| CN204458999U (en) | Sleeve roller chain | |
| CN202783476U (en) | Teeth piling resistant straining mechanism of four-wheel-drive crawler travel unit | |
| CN2584943Y (en) | Haulage chain of conveyer | |
| CN104534024A (en) | Bush roller chain | |
| CN108678742B (en) | Height-adjustable multi-output coal mining machine travelling mechanism | |
| CN107882938B (en) | Rubber metal toothed chain system | |
| CN202156467U (en) | Integral chain wheel for heavy duty machinery | |
| CN210032815U (en) | Safe and stable power transmission system of vertical circulation stereo garage | |
| CN201023947Y (en) | Middle double-chain push conveyer | |
| CN215046100U (en) | Thick plate conveying chain | |
| CN214946100U (en) | Vehicle chain with anti-drop protection mechanism | |
| CN210289287U (en) | Circulating transmission large chain wheel of vertical circulating stereo garage | |
| CN213235973U (en) | Intelligent tensioning device for driving chain of shuttle | |
| CA3069495A1 (en) | Power transmission chain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |