CN106080949A - There is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings - Google Patents
There is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings Download PDFInfo
- Publication number
- CN106080949A CN106080949A CN201610532975.8A CN201610532975A CN106080949A CN 106080949 A CN106080949 A CN 106080949A CN 201610532975 A CN201610532975 A CN 201610532975A CN 106080949 A CN106080949 A CN 106080949A
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- China
- Prior art keywords
- gear
- dividing plate
- casing
- driving
- axis
- 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.)
- Granted
Links
- 240000007643 Phytolacca americana Species 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Transmission Devices (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses the automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control with many gear speed-changings, include casing and drive motor, axis it is provided with in casing, jackshaft and driven shaft, axis, corresponding driving gear it is respectively arranged with on jackshaft and driven shaft, idler gear and driven gear, the present invention has line traffic control and both gearshift modes automatically controlled, and the gear that comparison is many can be set, slewing range width, and it is provided by jackshaft, the profile ratio making this device is lighter, it is unlikely to excessive impact to use, the present invention uses simply, low cost, speed change adjusts efficient and convenient, and dividing plate one end is plugged in casing lower end, the other end stretches out in outside casing upper end, power needed for driving dividing plate is the least, drive motor that dividing plate can be promoted easily to realize speed change accurately；It is arranged in casing additionally by by primary drive parts, it is to avoid the erosion of the foreign material such as silt rainwater, its performance is more stable, and fault rate is lower, has the highest practicality.
Description
Technical field
The present invention relates to bicycle shift field, especially there is automatically controlled pair of gearshift mode of line traffic control of many gear speed-changings voluntarily
Car centre shaft variable speed case.
Background technology
Bicycle is a kind of important vehicles during people live, the most in recent years, owing to using cycling trip
The advantage with environmental protection and body-building, cycling trip more and more welcomed by the people.But, common bicycle, its speed change
Device is fairly simple, realizes speed change generally by sprocket wheel and being connected of Flywheel fluted disc with multiple different number of teeth,
Its slewing range is narrow, and is hung on outside its speed change gear outside bicycle, is easily subject to the erosion of silt wind and rain, fault rate
High；And the bicycle of some specialties, its speed change realizes rear axle drive by planetary gear, and its slewing range is relatively wide, Er Qiejing
Density is higher, but its high cost, be not suitable for general population and use.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides has automatically controlled pair of gearshift mode of line traffic control of many gear speed-changings certainly
Driving centre shaft variable speed case, it has line traffic control and automatically controlled two kinds of gearshift modes, and it has slewing range width, fault rate and cost
Low, the feature of light structure.
The technical solution adopted for the present invention to solve the technical problems is:
There is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings, including casing and driving motor, institute
Stating driving motor connection has control panel, described casing to be provided with axis, jackshaft and the driven shaft that can within it rotate, described
Jackshaft, between axis and driven shaft, is fixed with pedal crank outside wherein axis two ends stretch out in casing and is connected, driven shaft
One end stretches out in outside casing and is fixedly connected with sprocket wheel, and axis is provided with three or above driving gear, described jackshaft pair
Should be provided with the idler gear being engaged with by each driving gear, the corresponding each idler gear of described driven shaft is provided with to be nibbled therewith
The driven gear closed, one of them driving gear being positioned at axis outer end is fixedly connected on axis, and remaining driving tooth moves in turn and joins
Closing and be connected to be fixed on the clutch sleeve of axis, described idler gear and driven gear are dynamic respectively to be connected in being fixed on
On the clutch sleeve of countershaft and driven shaft, described clutch sleeve being provided with clutch tooth, described moving with clutch sleeve is connected
Driving gear, idler gear and driven gear one end be provided with the cooperating teeth that engages with clutch tooth, the other end is provided with annular
Groove, described cannelure is connected with dividing plate, described dividing plate upper end stretch out the chute of casing upper end outer by drive motor drive connection, every
Plate lower end be plugged in casing lower end inner wall formed draw-in groove in, described dividing plate can drive motor drive under control driving gear or
Idler gear or driven gear with corresponding clutch sleeve clutch thus realize automatically controlled gearshift, and dividing plate upper end is also associated with stirring
Bar, described poke rod one end connect have bracing wire, described poke rod can bracing wire pull lower drive dividing plate swing make driving gear or
Idler gear or driven gear are with corresponding clutch sleeve clutch thus realize line traffic control gearshift.
As the improvement of technique scheme, towards connected driving gear or driven gear in the middle part of described dividing plate
Cooperating teeth side is protruded and is formed with Access Division, and described Access Division is provided with through hole and is connected on cannelure.
As the further improvement of technique scheme, described control panel is provided with the button for increasing and decreasing gear.
Further, described driving motor is motor.
The invention has the beneficial effects as follows: the present invention be provided by casing and drive motor, be provided with in casing axis, in
Countershaft and driven shaft, axis, jackshaft and driven shaft are respectively arranged with corresponding driving gear, idler gear and driven tooth
Wheel, during use, user, by control panel manipulation increase and decrease gear, just can make corresponding gear by driving driven by motor dividing plate
Idler gear and driven gear and/or driving gear and corresponding clutch sleeve clutch, to realize the automatically controlled gearshift of corresponding gear
Speed change；When driving the battery electric quantity deficiency of motor, the present invention can also make poke rod drive dividing plate to swing by pulling bracing wire
And control idler gear and driven gear and/or driving gear and with corresponding clutch sleeve clutch thus realize line traffic control gearshift, from
And ensureing that bicycle still can realize effective shift speed change by line traffic control when automatically controlled gearshift cannot work, the present invention is permissible
The gear that comparison is many is set, its slewing range width, and be provided by jackshaft so that the profile of this device than lighter,
Being unlikely to excessive impact to use, the present invention uses simply, low cost, and speed change adjusts efficient and convenient, and dividing plate one end is plugged in
Casing lower end, the other end stretch out in outside casing upper end, drive the power needed for dividing plate the least, drive motor can promote easily every
Plate realizes speed change accurately；It addition, by primary drive parts are arranged in casing, it is to avoid invading of the foreign material such as silt rainwater
Erosion so that its performance is more stable, and fault rate is lower, has the highest practicality.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the top view of Fig. 2.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 3, automatically controlled pair of gearshift mode bicycle middle shaft speed change of the line traffic control with many gear speed-changings of the present invention
Case, including casing 1 and driving motor 2, drives motor 2 to connect the battery of its offer electric energy promising, and battery is preferably chargeable electricity
Pond, drives motor 2 may select and is fixed on casing 1 outside, drives motor 2 to be preferably motor, and its transmission is more accurate, drives
Galvanic electricity machine 2 connects control panel, and control panel can select touch screen control panel or other kinds of electrical control panels,
Control panel is provided with the button for increasing and decreasing gear so that user can carry out speed change easily；Casing 1 is provided with can be at it
The axis 3 of interior rotation, jackshaft 4 and driven shaft 5, jackshaft 4 is between axis 3 and driven shaft 5, and wherein axis 3 two ends are stretched
Being connected for fixing with pedal crank outside casing 1, driven shaft 5 one end stretches out in outside casing 1 and is fixedly connected with sprocket wheel 8, axis 3
Being provided with three or above driving gear, the corresponding each driving gear of jackshaft 4 is provided with the idler gear being engaged with, from
The corresponding each idler gear of moving axis 5 is provided with the driven gear being engaged with, and one of them is positioned at the driving gear of axis 3 outer end
Being fixedly connected on axis 3, remaining driving tooth moves in turn and is connected on the clutch sleeve 6 being fixed on axis 3, idler gear and
Driven gear is dynamic respectively to be connected on the clutch sleeve 6 being fixed on jackshaft 4 and driven shaft 5, and clutch sleeve 6 is provided with
Clutch tooth, moves 6 dynamic driving gear, idler gear and driven gear one end being connected with clutch sleeve and is provided with and clutch tooth
The cooperating teeth 54 of engagement, the other end are provided with cannelure 50, and described cannelure 50 is connected with dividing plate 7, and described dividing plate 7 upper end is stretched out
The chute 11 of casing 1 upper end is outer by driving motor 2 drive connection, dividing plate 7 lower end to be plugged in the draw-in groove that casing 1 lower end inner wall is formed
In 12, dividing plate 7 can control driving gear or idler gear or driven gear and corresponding clutch sleeve under driving driving motor 2
6 clutches thus realize automatically controlled shift speed change；Dividing plate 7 upper end is also associated with poke rod 71, and poke rod 71 one end connects bracing wire, draws
The line other end may be provided at bicycle handlebar and is connected with shift by wire apparatus on hand, and poke rod 71 can pull lower drive dividing plate in bracing wire
7 swings make driving gear or driven gear with the clutch of corresponding clutch sleeve 6 thus realize line traffic control gearshift.User is by bike
Time, transferring power on axis 3, make axis 3 rotate by pedal crank, the driving gear on axis 3 drives on jackshaft 4
Idler gear rotate, idler gear drives the driven gear on driven shaft 5 to rotate, the now center tooth of place drivable position
Wheel, driven gear and/or driving gear are effectively connected with clutch sleeve 6 so that the power of axis 3 can be effectively passed to centre
Axle 4, then be delivered on driven shaft 5 by jackshaft 4, drive the sprocket wheel 8 being fixed on driven shaft 5 end to rotate, sprocket wheel 8 drives voluntarily
The flywheel turns of back wheels of vehicle and make bicycle rear rotate.In the present invention, the gear ratio of each gear can be according to specific needs
And arrange, the present invention is not limited to this.
When needs speed change, user just can be driven by driving motor 2 by control panel manipulation increase and decrease gear
Dividing plate 7 makes the idler gear of corresponding gear and driven gear and/or driving gear and the clutch of corresponding clutch sleeve 6, to realize
The automatically controlled shift speed change of corresponding gear；When driving the battery electric quantity deficiency of motor 2, the present invention can also make by pulling bracing wire
Poke rod 71 drives dividing plate 7 to swing and control driving gear or driven gear and with the clutch of corresponding clutch sleeve 6 thus realize line
Control gearshift, thus ensure that bicycle still can realize effective shift speed change by line traffic control when automatically controlled gearshift cannot work.
The present invention can arrange the gear that comparison is many, its slewing range width, and is provided by jackshaft 4 so that outside this device
Shape than lighter, be unlikely to excessive impact and use, the present invention uses simply, low cost, and speed change adjustment is efficient and convenient, and dividing plate
7 one end are plugged in casing 1 lower end, the other end stretches out in outside casing 1 upper end, and the power needed for driving dividing plate 7 is the least, drive motor
2 can promote dividing plate 7 to realize speed change accurately easily；It addition, by primary drive parts are arranged in casing 1, it is to avoid mud
The erosion of the foreign material such as husky rainwater so that its performance is more stable, and fault rate is lower, has the highest practicality.
In the present invention, in the middle part of dividing plate 7, cooperating teeth 54 side towards connected driving gear or driven gear is protruded
Being formed with Access Division, Access Division is provided with through hole and is connected on cannelure 50, so that dividing plate 7 is when swinging, on the one hand
Driving gear or driven gear and clutch sleeve 6 clutch can be driven by being positioned at the Access Division in the middle part of dividing plate 7, on the other hand keep away
The upper and lower exempting from dividing plate 7 touches driving gear or driven gear.
Embodiment one: referring to figs. 1 through Fig. 3, a specific embodiment of the present invention, axis 3 is provided with three driving gears
31,32,33, wherein the driving gear 31 on right side is shaped on axis 3, and other two driving gears 32,33 dynamic cooperations connect
It is connected to be fixed on the clutch sleeve 6 of axis 3, jackshaft 4 is fixedly connected with three clutch sleeves 6, these three clutch sleeves 6
Upper dynamic being connected with respectively engages, with driving gear, three idler gears 41,42,43 being connected, fixing connection on driven shaft 5
Having three clutch sleeves 6, dynamic respectively on these three clutch sleeves 6 to be connected with three be connected with idler gear engagement driven
Gear 51,52,53.
The above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as
It reaches the technique effect of the present invention with any same or similar means, all should fall under the scope of the present invention.
Claims (4)
1. there is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings, it is characterised in that: include casing
With driving motor, described driving motor connects has control panel, described casing to be provided with axis, the jackshaft that can within it rotate
And driven shaft, described jackshaft, between axis and driven shaft, is consolidated with pedal crank outside wherein axis two ends stretch out in casing
Fixed connection, driven shaft one end stretches out in outside casing and is fixedly connected with sprocket wheel, and axis is provided with three or above driving gear,
The corresponding each driving gear of described jackshaft is provided with the idler gear being engaged with, the corresponding each idler gear of described driven shaft
Being provided with the driven gear being engaged with, one of them driving gear being positioned at axis outer end is fixedly connected on axis, remaining
Driving tooth moves in turn and is connected on the clutch sleeve being fixed on axis, and described idler gear and driven gear are dynamic respectively to be coordinated even
It is connected to be fixed on the clutch sleeve of jackshaft and driven shaft, described clutch sleeve is provided with clutch tooth, described and clutch cover
Dynamic driving gear, idler gear and the driven gear one end being connected of cylinder be provided with engage with clutch tooth cooperating teeth, another
End is provided with cannelure, and described cannelure is connected with dividing plate, and the chute that casing upper end is stretched out in described dividing plate upper end is outer by driving electricity
Machine drive connection, dividing plate lower end are plugged in the draw-in groove that casing lower end inner wall is formed, under described dividing plate can drive driving motor
Control driving gear or idler gear or driven gear with corresponding clutch sleeve clutch thus realizes automatically controlled gearshift, dividing plate upper end
Being also associated with poke rod, described poke rod one end connects bracing wire, and described poke rod can pull lower drive dividing plate to swing in bracing wire
Make driving gear or idler gear or driven gear with corresponding clutch sleeve clutch thus realize line traffic control gearshift.
Automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control with many gear speed-changings the most according to claim 1,
It is characterized in that: in the middle part of described dividing plate, the cooperating teeth side protrusion towards connected driving gear or driven gear is formed
Access Division, described Access Division is provided with through hole and is connected on cannelure.
Automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control with many gear speed-changings the most according to claim 1,
It is characterized in that: described control panel is provided with the button for increasing and decreasing gear.
4. according to the arbitrary described automatically controlled pair of gearshift mode bicycle middle shaft of the line traffic control with many gear speed-changings of claims 1 to 3
Change speed gear box, it is characterised in that: described driving motor is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532975.8A CN106080949B (en) | 2016-07-06 | 2016-07-06 | The automatically controlled double shift mode bicycle middle shaft gearboxes of line traffic control with more gear speed-changings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532975.8A CN106080949B (en) | 2016-07-06 | 2016-07-06 | The automatically controlled double shift mode bicycle middle shaft gearboxes of line traffic control with more gear speed-changings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106080949A true CN106080949A (en) | 2016-11-09 |
| CN106080949B CN106080949B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610532975.8A Active CN106080949B (en) | 2016-07-06 | 2016-07-06 | The automatically controlled double shift mode bicycle middle shaft gearboxes of line traffic control with more gear speed-changings |
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| Country | Link |
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| CN (1) | CN106080949B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533697A (en) * | 2018-06-09 | 2018-09-14 | 夏元峰 | Gear-shift mechanism |
| CN110406623A (en) * | 2019-08-20 | 2019-11-05 | 浙江科技学院 | A kind of electric bicycle overdrive clutch non-clashing gear set |
| CN113401274A (en) * | 2021-05-16 | 2021-09-17 | 蔡明� | Speed changing box in bicycle middle shaft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB444433A (en) * | 1935-02-27 | 1936-03-20 | Wilhelm Goeckel | Improvements in or relating to cycle drives |
| CN2230272Y (en) * | 1995-06-08 | 1996-07-03 | 韩月芳 | Speed-regulating device for vehicle drawn by man |
| CN2565741Y (en) * | 2002-09-11 | 2003-08-13 | 田德生 | Speed-changing gear box for rickshaw |
| CN2818326Y (en) * | 2005-09-12 | 2006-09-20 | 岳修贵 | Speed-djustable driving mechanism of electric tricycle |
| CN201842212U (en) * | 2010-05-28 | 2011-05-25 | 柴明珠 | Box type speed changer for bicycle |
| CN201856881U (en) * | 2010-07-12 | 2011-06-08 | 张小通 | Speed changing device for electric tricycle |
| CN205854423U (en) * | 2016-07-06 | 2017-01-04 | 中山市峻国电器有限公司 | There is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings |
-
2016
- 2016-07-06 CN CN201610532975.8A patent/CN106080949B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB444433A (en) * | 1935-02-27 | 1936-03-20 | Wilhelm Goeckel | Improvements in or relating to cycle drives |
| CN2230272Y (en) * | 1995-06-08 | 1996-07-03 | 韩月芳 | Speed-regulating device for vehicle drawn by man |
| CN2565741Y (en) * | 2002-09-11 | 2003-08-13 | 田德生 | Speed-changing gear box for rickshaw |
| CN2818326Y (en) * | 2005-09-12 | 2006-09-20 | 岳修贵 | Speed-djustable driving mechanism of electric tricycle |
| CN201842212U (en) * | 2010-05-28 | 2011-05-25 | 柴明珠 | Box type speed changer for bicycle |
| CN201856881U (en) * | 2010-07-12 | 2011-06-08 | 张小通 | Speed changing device for electric tricycle |
| CN205854423U (en) * | 2016-07-06 | 2017-01-04 | 中山市峻国电器有限公司 | There is automatically controlled pair of gearshift mode bicycle middle shaft change speed gear box of line traffic control of many gear speed-changings |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533697A (en) * | 2018-06-09 | 2018-09-14 | 夏元峰 | Gear-shift mechanism |
| CN110406623A (en) * | 2019-08-20 | 2019-11-05 | 浙江科技学院 | A kind of electric bicycle overdrive clutch non-clashing gear set |
| CN113401274A (en) * | 2021-05-16 | 2021-09-17 | 蔡明� | Speed changing box in bicycle middle shaft |
| CN113401274B (en) * | 2021-05-16 | 2023-08-08 | 佛山市顺德区智趣动电子商务有限公司 | Gear box in middle shaft of bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106080949B (en) | 2018-08-10 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Line control and electricity control double-gear-shifting-mode bicycle center shaft gearbox with multi-gear speed change function Effective date of registration: 20190528 Granted publication date: 20180810 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN JUNGUO ELECTRICAL APPLIANCES Co.,Ltd. Registration number: 2019440020040 |
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Date of cancellation: 20220311 Granted publication date: 20180810 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN JUNGUO ELECTRICAL APPLIANCES Co.,Ltd. Registration number: 2019440020040 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Wire Controlled Electric Dual Shift Bicycle Axle Transmission with Multi speed Shift Granted publication date: 20180810 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN JUNGUO ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2024980017011 |
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