CN203130949U - Chain belt type continuously variable transmission - Google Patents
Chain belt type continuously variable transmission Download PDFInfo
- Publication number
- CN203130949U CN203130949U CN 201320106620 CN201320106620U CN203130949U CN 203130949 U CN203130949 U CN 203130949U CN 201320106620 CN201320106620 CN 201320106620 CN 201320106620 U CN201320106620 U CN 201320106620U CN 203130949 U CN203130949 U CN 203130949U
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- driving
- chain
- fixed wheel
- belt
- runner disc
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Abstract
The utility model provides a chain belt type continuously variable transmission. The transmission comprises a driving shaft, a driven shaft and a driving belt supported on the driving shaft and the driven shaft. The driving shaft and the driven shaft are respectively provided with a fixed wheel disc and a movable wheel disc which are matched with the driving belt, the fixed wheel disc and the movable wheel disc are arranged in pairs, and opposite surfaces of the fixed wheel disc and the movable wheel disc are cone-shaped surfaces. The driving belt is of a chain belt type structure, protruded teeth arranged at equal intervals are arranged on the side of the chain belt type structure, the fixed wheel disc or the movable wheel disc is provided with locating gears capable of performing reciprocating motion on the cone-shaped surfaces along the axial direction, and the locating gears are meshed with the protruded teeth. According to the chain belt type continuously variable transmission, pure sliding driving of the driving belt and the cone-shaped surfaces in an existing transmission is modified into a driving belt driving mode of combining gear meshing and sliding, bearing capacity of torque is effectively improved by the driving mode, and driving efficiency is fully improved.
Description
Technical field
The utility model relates to speed changer, relates in particular to a kind of chain-belt type stepless speed variator.
Background technique
Present stepless speed variator mainly is made of driving shaft, driven shaft and the driving belt of support exhibition on driving shaft and driven shaft, be respectively equipped with fixed wheel dish and the runner disc suitable with driving belt on driving shaft and the driven shaft, described fixed wheel dish and runner disc arrange in pairs and its opposing side is conical surface, by changing the spacing of fixed wheel dish and runner disc, impel driving belt to endwisely slip in the conical surface upper edge, and then the adjustment driving belt is positioned at the curvature on driving shaft and the driven shaft, the purpose of realization adjustment velocity ratio.This type of stepless speed variator has following defective: 1, driving belt sliding friction on conical surface, the torque of carrying less, transmission efficiency is low; 2, driving belt endwisely slips to adjust velocity ratio in the conical surface upper edge, and the smoothness be subjected to slip surface of sliding, temperature etc. influence, and are difficult to accurately control the conversion of velocity ratio, the precision of uncontrollable velocity ratio; 3, driving belt generates heat in sliding process easily, and driving belt damages easily, working life is low.
The model utility content
(1) technical problem that will solve
Technical problems such as the purpose of the utility model patent is less for existing stepless speed variator carrying torque, and transmission efficiency is low, driving belt damages easily, working life is low.
(2) technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of chain-belt type stepless speed variator, this speed changer comprises driving shaft, driven shaft and the driving belt of support exhibition on described driving shaft and driven shaft, be respectively equipped with fixed wheel dish and the runner disc suitable with driving belt on described driving shaft and the driven shaft, described fixed wheel dish and runner disc arrange in pairs and its opposing side is conical surface, wherein: described driving belt is the chain-belt type structure, and the avris of described chain-belt type structure is provided with the double wedge of equidistantly arranging; Described fixed wheel dish or runner disc are provided with the Positioning Gear that can move back and forth vertically on described conical surface, described Positioning Gear is meshed with described double wedge.
Preferably, described driving shaft and the fixed wheel dish, the runner disc that are positioned on the driving shaft rotate synchronously, and described runner disc can axially moving back and forth along described driving shaft; Described driven shaft and the fixed wheel dish, the runner disc that are positioned on the driven shaft rotate synchronously, and described runner disc can axially moving back and forth along described driven shaft; Runner disc on the runner disc of described driving shaft and the described driven shaft is same moved further vertically, when the spacing between the runner disc on the described driving shaft and the fixed wheel dish reduces, and the synchronous and equidistant increasing of the spacing between the runner disc on the described driven shaft and the fixed wheel dish; When the spacing between the runner disc on the described driving shaft and the fixed wheel dish strengthened, the spacing between the runner disc on the described driven shaft and the fixed wheel dish is synchronous and equidistant to be reduced.
Preferably, described driving belt comprises band and equidistantly interts bearing pin on band that the two ends of described bearing pin protrude from the avris of band.
Preferably, described Positioning Gear is set to more than 3, on described 3 same cross sections that are positioned at conical surface to cog and equidistantly arrange.
Preferably, described conical surface is provided with the chute that is parallel to conical surface, is provided with slide rail in the described chute, and the rotating shaft of described Positioning Gear is fastened on the slide rail by a pair of slide block on axle sleeve and the axle sleeve.
Preferably, the end of described axle sleeve is provided with internal tooth casing, be fitted with the leading screw that is parallel to slide rail that is meshed with its internal tooth in the described internal tooth casing, the end of described leading screw is provided with angular wheel, described angular wheel is meshed with tooth bar along the axial setting of driving shaft, and when runner disc moved vertically, relative displacement took place in described tooth bar and described angular wheel synchronously.
Preferably, described driving shaft and or driven shaft in be provided with for the chamber of placing tooth bar, its side is provided with strip through-hole.
Preferably, described fixed wheel dish and runner disc are along the groove that is axially arranged with of driving shaft, and described groove is used for placing described tooth bar.
Preferably, this speed changer also comprises arrestment mechanism, and described arrestment mechanism comprises suitable fixed tray and rolling disc, and described fixed tray links to each other with hydraulic mechanism, and described rolling disc links to each other with the end of rotating shaft by Hooks coupling universal coupling.
Preferably, this speed changer also comprises positioning work piece and controller, and described positioning work piece is positioned at the critical place that described chain belt contacts with conical surface, and described controller connects positioning work piece and hydraulic structure respectively; Be in braking state when described Positioning Gear is meshed with described chain belt, described Positioning Gear stops rotation; When shown in Positioning Gear be in non-braking state when not being meshed with described chain belt, described Positioning Gear recovers rotation.
(3) beneficial effect
The chain-belt type stepless speed variator that the utility model provides, the pure slip of driving belt and conical surface in the existing speed changer is driven, change gear engagement and the driving belt driving mode of sliding and combining into, this driving mode has effectively improved the bearing capacity of torque, has fully improved transmission efficiency; Further, gear engagement and the driving belt driving mode of sliding and combining, the frictional heating amount that drives than pure slip is low, and temperature is low, makes prolongations in working life such as driving belt; Further, the utility model makes Positioning Gear stop rotation when being meshed with chain belt by unique arrestment mechanism that arranges, and makes its operation more stable.
Description of drawings
Fig. 1 is that structure master of the present utility model looks schematic representation;
Fig. 2 is an example structure schematic top plan view of the present utility model;
Fig. 3 is another example structure schematic top plan view of the present utility model;
Fig. 4 is driving belt partial schematic diagram of the present utility model;
Fig. 5 is that fixed wheel dish of the present utility model amplifies schematic top plan view;
Fig. 6 is fixed wheel dish internal structure schematic representation of the present utility model;
Fig. 7 is Positioning Gear profile of tooth schematic representation of the present utility model;
Wherein: 100, driving shaft, 200, driven shaft, 300, the fixed wheel dish, 301, chute, 302, slide rail, 400, runner disc, 500, driving belt, 501, double wedge, 502, band, 503, bearing pin, 600, Positioning Gear, 601, rotating shaft, 602, axle sleeve, 603, slide block, 604, internal axle sleeve, 605, leading screw, 606, tooth bar, 607, angular wheel, 608, arc, 700, arrestment mechanism, 701, fixed tray, 702, rolling disc, 703, Hooks coupling universal coupling.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Shown in Fig. 1,2 and 3, a kind of chain-belt type stepless speed variator, this speed changer comprise driving shaft 100 and driven shaft 200, and driving shaft 100 is used for connecting motor, and driven shaft 200 is used for connecting driving arrangements such as automobile; Be respectively arranged with certain wheel disc 300 and a runner disc 400 on driving shaft 100 and the driven shaft 200, be positioned at tapered of the adjoining side of fixed wheel dish 300 on driving shaft 100 or the driven shaft 200 and runner disc 400, driving belt 500 support exhibitions are on driving shaft 100 and driven shaft 200, and concrete is that the support exhibition is on the conical surface between fixed wheel dish 300 and the runner disc 400; Driving shaft 100 and the fixed wheel dish 300 that is positioned on the driving shaft 100, runner disc 400 rotates synchronously, and the runner disc on the driving shaft 100 400 can be along axially reciprocating, to adjust the spacing of runner disc 400 and fixed wheel dish 300, same, driven shaft 200 and the fixed wheel dish 300 that is positioned on the driven shaft 200, runner disc 400 rotates synchronously, and the runner disc on the driven shaft 200 400 can be along axially reciprocating, and, runner disc 400 on driving shaft 100, when the spacing of fixed wheel dish 300 reduces, runner disc 400 on the driven shaft 200, synchronous and the equidistant change of fixed wheel dish 300 spacings is big, runner disc 400 on driving shaft 100, when the spacing of fixed wheel dish 300 becomes big, runner disc 400 on the driven shaft 200, fixed wheel dish 300 spacings are synchronous and equidistant to be reduced, and makes that to satisfy the total length of the driving belt 500 that conical surface was ordered about is constant; When concrete the installation, for example can be installed as, fixed wheel dish 300 and runner disc 400 are installed on the driving shaft 100 vertically in turn, on driven shaft 200 along same runner disc 400 and the fixed wheel dish 300 axially installed in turn, by this, when by drive unit along same when axially ordering about runner disc 400 on driving shaft 100 and the driven shaft 200 in the same way and with moved further, can realize the fixed wheel dish 300 on the driving shaft 100, fixed wheel dish 300 on runner disc 400 spacings and the driven shaft 200, the variation effect that runner disc 400 spacings are opposite, and then reach simplified structure and save the effect of driving force.
Be provided with Positioning Gear 600 at conical surface, this Positioning Gear 600 can be along axially moving back and forth at conical surface, namely, longitudinal cross-section along conical surface moves back and forth, driving belt 500 preferably is set to the chain-belt type structure, be provided with the double wedge 501(that equidistantly arranges as shown in Figure 4 at the avris of chain-belt type structure), this double wedge 501 is meshed with Positioning Gear 600.
Positioning Gear of the present utility model can be positioned on the conical surface of runner disc or fixed wheel dish, and following examples are to be installed on the runner disc to describe for example:
In the specific implementation, Positioning Gear 600 can be arranged on the fixed wheel dish 300 of driving shaft 100, and its structure as shown in Figure 2; Positioning Gear 600 also can be arranged on the fixed wheel dish 300 of driven shaft 200, and its structure as shown in Figure 3; For improving stability of transmission more fully, can also on the fixed wheel dish 300 of driving shaft 100 and driven shaft 200, Positioning Gear 600 be set all, as shown in Figure 1.
As shown in Figure 4, for reducing the processing cost of driving belt 500, improve the meshing efficiency with Positioning Gear 600, driving belt 500 of the present utility model preferably is set to be made of the band 502 of annular and some bearing pins 503, some 503 equally spaced interting on band 502 of bearing pin, the two ends of each bearing pin 503 protrude from the avris of band 502, constitute the double wedge 501 of driving belt 500, this is simple in structure, processing cost is low, and double wedge 501 length of this structure are longer, can be meshed with Positioning Gear 600 more fully, and then improve transmission efficiency.
Has enough frictional force to reach the torque bearing capacity of transmission for satisfying drive wheel, when design, generally require the cornerite of driving belt 500 on drive wheel to be not less than 120 °, by this, this model utility has at least a Positioning Gear 600 to be meshed with driving belt 500 in order to realize all the time, Positioning Gear 600 on the fixed wheel dish 300 is set to more than 3, described 3 above Positioning Gears 600 are positioned on the same cross section of conical surface and equidistantly arrange, as shown in Figure 5, Positioning Gear 600 is set to 3, and 3 Positioning Gears 600 are equally spaced to be positioned on the same cross section of cross section.
As illustrated in Figures 5 and 6, for making moving back and forth of Positioning Gear 600 more stable, be example with 3 Positioning Gears 600, be axially arranged with the chute 301 that is parallel to conical surface in the conical surface upper edge of fixed wheel dish 300, be provided with slide rail 302 in chute 301, the rotating shaft 601 of Positioning Gear 600 is fastened on the slide rail 302 by a pair of slide block 603 on axle sleeve 602 and the axle sleeve 602.
As shown in Figure 6, the driving structure preferred version that Positioning Gear 600 moves back and forth, the end of axle sleeve 602 is provided with internal tooth casing 604, be fitted with the leading screw that is parallel to slide rail 302 605 that is meshed with its internal tooth in the internal tooth casing 604, the end of leading screw 605 is meshed with the tooth bar 606 that axially arranges along driving shaft 100, namely be provided with angular wheel 607 in the end of leading screw 605, this angular wheel 607 is meshed with tooth bar 606, and tooth bar 606 links to each other with fixed wheel dish 300; When fixed wheel dish 300 moves back and forth vertically, it is mobile vertically to order about coupled tooth bar 606, and then order about the leading screw 605 that is meshed with it and rotate, the internal tooth casing 604 that is sleeved on the leading screw 605 moves back and forth along slide rail 302 directions by rotating shaft 601 drive Positioning Gears 600.This structural design is ingenious, rely on the axial motion of runner disc 400 can realize moving back and forth of Positioning Gear 600, do not need additionally to increase driving arrangement, fully optimized structure, and adjustment and the Positioning Gear 600 of having realized runner disc 400 and fixed wheel dish 300 spacings move synchronization motion, strengthen the net synchronization capability of equipment operation, guaranteed the engagement that driving belt 500 and Positioning Gear 600 can be prepared when adjusting spacing.
When concrete the installation, the tooth bar 606 that is connected with fixed wheel dish 300, preferably be arranged on driving shaft 100 and or the inside of driven shaft 200, namely driving shaft 100 and or driven shaft 200 in be provided with for the chamber of placing tooth bar 606, its side is provided with for tooth bar 606 and connects fixed (moving) wheel disc 3(4) 00 and the strip through-hole of leading screw 605, so that this speed changer integral body is compacter.Certainly, for improve driving shaft 100 and or the intensity of driven shaft 200 and cutting down finished cost, also can be designed as with tooth bar 606 be set to driving shaft 100 and or the outside of the inside of driven shaft 200, for example at fixed wheel dish 300 and runner disc 400 groove that is axially arranged with along driving shaft 100, this groove is used for placing described tooth bar 606, as long as satisfy tooth bar 606 placement space is arranged, and can expedite mobile getting final product vertically.
Speed changer also comprises arrestment mechanism 700, be used for realizing when Positioning Gear 600 is meshed with driving belt 500,700 pairs of Positioning Gears 600 of arrestment mechanism are braked, make its driving shaft 100(driven shaft 200 of can only having mercy on) revolution and can not rotation, with improve engagement stability, simultaneously, under the non-engagement state of Positioning Gear 600 and driving belt 500, the braking separation structure is to Positioning Gear 600 cancellation brakings, it can be revolved round the sun and can rotation, state that can free rotation, making that Positioning Gear 600 is easier meshes with driving belt 500, improve the success rate of engagement, by this, arrestment mechanism can be set to the click formula, clutch-type, structures such as sheave cammingly; For further avoiding under the engagement, locking phenomenon takes place with driving belt 500 in Positioning Gear 600, eliminate the dead angle, preferably the profile of tooth (top) with Positioning Gear 600 is set to arc, namely, as shown in Figure 7, the both sides of tooth up are the arc 608 of convergent by root, and both sides do not have the wedge angle top not have the plane.As shown in Figure 6, arrestment mechanism 700 preferably is set to comprise suitable fixed tray 701 and rolling disc 702, fixed tray 701 links to each other with hydraulic mechanism, rolling disc 702 links to each other with the end of rotating shaft 601 by Hooks coupling universal coupling 703, when Positioning Gear 600 and driving belt 500 do not mesh, fixed tray 701 processed and the non-braking state of rolling disc 702 for being separated, rolling disc 702 rotates with rotating shaft 601 synchronously by Hooks coupling universal coupling 703, when Positioning Gear 600 meshes with driving belt 500, promoting fixed tray 701 processed by hydraulic mechanism is meshed with rolling disc 702, rolling disc 702 stops rotation, and then make Positioning Gear 600 stop rotation by Hooks coupling universal coupling 703 control rotating shafts 601, play braking action.
For making this speed changer more intelligent, and further improve its running precision, this speed changer also is provided with positioning work piece and controller, and positioning work piece is installed on the driving belt, and controller connects positioning work piece and hydraulic structure respectively; When positioning work piece is positioned at the critical place that chain belt and conical surface begin to contact in advance, Positioning Gear triggered location device also is passed to controller with this information, controller sends to instruct to hydraulic mechanism and impels it to enter braking state, Positioning Gear 600 stops rotation, and this moment, Positioning Gear 600 meshed with driving belt 500; When positioning work piece is positioned at chain belt and conical surface and finishes the critical place of contact condition in advance, Positioning Gear triggered location device also is passed to controller with this information, controller sends to instruct to hydraulic mechanism and impels it to enter non-braking state, Positioning Gear 600 recovers rotation, and this moment, Positioning Gear 600 separated with driving belt 500.
The utility model is when concrete operation, as Fig. 1, order about runner disc 400 on the driving shaft 100 and the runner disc 400 on the driven shaft 200 downward same moved further vertically by driving arrangement, at this moment, it is big that runner disc 400 on the driving shaft 100 and the spacing of fixed wheel dish 300 become, runner disc 400 on the driven shaft 200 and the spacing of fixed wheel dish 300 reduce, and change first driving force that produces driving belt in this spacing; Meanwhile, runner disc 400 drives tooth bars 606 and moves down vertically, and then drives Positioning Gear 600 and move along conical surface, and the Positioning Gear pair driving belt that is meshed with it produces second driving force; Under the acting in conjunction of the first above-mentioned driving force and second driving force, making driving belt on the driving shaft 100 deviate from the axle center moves, driving belt on the driven shaft 200 moves towards the axle center, after meeting required velocity ratio, moving axially of runner disc stops, state is namely finished speed change as shown in Figure 2 at this moment.Driving belt of the present utility model is to carry torque jointly by the slip of driving belt and conical surface and the engagement of driving belt and Positioning Gear by this, fully improved transmission efficiency, and, under above-mentioned first driving force and the second driving force acting in conjunction, finish the variation of velocity ratio, significantly improved the validity of speed change.
The utility model can also be arranged on Positioning Gear on the runner disc, the difference of itself and the above embodiments is, tooth bar is connected with the fixed wheel dish, so that runner disc is when moving vertically, the conical tooth wheel and rack is along the axially generation relative displacement synchronously of driving shaft or driven shaft, and then realization is ordered about Positioning Gear and moved along slide rail by leading screw, Hooks coupling universal coupling.
Stepless speed variator of the present utility model, can be according to needs, in the chute that Positioning Gear is moved the many places positioning device is set, makes Positioning Gear under the ordering about of runner disc, to move to preposition, and then stepless speed variator of the present utility model is applied to multiple-speed gear-box.
It should be noted that at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those skilled in the art are to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. chain-belt type stepless speed variator, it is characterized in that, this speed changer comprises driving shaft, driven shaft and the driving belt of support exhibition on described driving shaft and driven shaft, be respectively equipped with fixed wheel dish and the runner disc suitable with driving belt on described driving shaft and the driven shaft, described fixed wheel dish and runner disc arrange in pairs and its opposing side is conical surface, wherein:
Described driving belt is the chain-belt type structure, and the avris of described chain-belt type structure is provided with the double wedge of equidistantly arranging;
Described fixed wheel dish or runner disc are provided with the Positioning Gear that can move back and forth vertically on described conical surface, described Positioning Gear is meshed with described double wedge.
2. chain-belt type stepless speed variator according to claim 1 is characterized in that:
Described driving shaft and the fixed wheel dish, the runner disc that are positioned on the driving shaft rotate synchronously, and described runner disc can axially moving back and forth along described driving shaft;
Described driven shaft and the fixed wheel dish, the runner disc that are positioned on the driven shaft rotate synchronously, and described runner disc can axially moving back and forth along described driven shaft;
Runner disc on the runner disc of described driving shaft and the described driven shaft is same moved further vertically, when the spacing between the runner disc on the described driving shaft and the fixed wheel dish reduces, and the synchronous and equidistant increasing of the spacing between the runner disc on the described driven shaft and the fixed wheel dish; When the spacing between the runner disc on the described driving shaft and the fixed wheel dish strengthened, the spacing between the runner disc on the described driven shaft and the fixed wheel dish is synchronous and equidistant to be reduced.
3. chain-belt type stepless speed variator according to claim 1 is characterized in that: described driving belt comprises band and equidistantly interts bearing pin on band that the two ends of described bearing pin protrude from the avris of band.
4. chain-belt type stepless speed variator according to claim 1, it is characterized in that: described Positioning Gear is set to more than 3, on described 3 same cross sections that are positioned at conical surface to cog and equidistantly arrange.
5. according to the described chain-belt type stepless speed variator of the arbitrary claim of claim 1-4, it is characterized in that: described conical surface is provided with the chute that is parallel to conical surface, be provided with slide rail in the described chute, the rotating shaft of described Positioning Gear is fastened on the slide rail by a pair of slide block on axle sleeve and the axle sleeve.
6. chain-belt type stepless speed variator according to claim 5, it is characterized in that: the end of described axle sleeve is provided with internal tooth casing, be fitted with the leading screw that is parallel to slide rail that is meshed with its internal tooth in the described internal tooth casing, the end of described leading screw is provided with angular wheel, described angular wheel is meshed with tooth bar along the axial setting of driving shaft, and when runner disc moved vertically, relative displacement took place in described tooth bar and described angular wheel synchronously.
7. chain-belt type stepless speed variator according to claim 6 is characterized in that: described driving shaft and or driven shaft in be provided with for the chamber of placing tooth bar, its side is provided with strip through-hole.
8. chain-belt type stepless speed variator according to claim 6 is characterized in that: described fixed wheel dish and runner disc are along the groove that is axially arranged with of driving shaft, and described groove is used for placing described tooth bar.
9. chain-belt type stepless speed variator according to claim 5, it is characterized in that: this speed changer also comprises arrestment mechanism, described arrestment mechanism comprises suitable fixed tray and rolling disc, and described fixed tray links to each other with hydraulic mechanism, and described rolling disc links to each other with the end of rotating shaft by Hooks coupling universal coupling.
10. chain-belt type stepless speed variator according to claim 9, it is characterized in that: this speed changer also comprises positioning work piece and controller, and described positioning work piece is positioned at the critical place that described chain belt contacts with conical surface, and described controller connects positioning work piece and hydraulic structure respectively; Be in braking state when described Positioning Gear is meshed with described chain belt, described Positioning Gear stops rotation; When shown in Positioning Gear be in non-braking state when not being meshed with described chain belt, described Positioning Gear recovers rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106620 CN203130949U (en) | 2013-03-08 | 2013-03-08 | Chain belt type continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106620 CN203130949U (en) | 2013-03-08 | 2013-03-08 | Chain belt type continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130949U true CN203130949U (en) | 2013-08-14 |
Family
ID=48938929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320106620 Expired - Lifetime CN203130949U (en) | 2013-03-08 | 2013-03-08 | Chain belt type continuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133615B (en) * | 2013-03-08 | 2015-07-08 | 陈帅 | Chain belt type continuously variable transmission |
-
2013
- 2013-03-08 CN CN 201320106620 patent/CN203130949U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133615B (en) * | 2013-03-08 | 2015-07-08 | 陈帅 | Chain belt type continuously variable transmission |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150708 |
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| RGAV | Abandon patent right to avoid regrant |