CN104554566B - A kind of wheel can clutch Portable electric bicycle - Google Patents
A kind of wheel can clutch Portable electric bicycle Download PDFInfo
- Publication number
- CN104554566B CN104554566B CN201410751851.XA CN201410751851A CN104554566B CN 104554566 B CN104554566 B CN 104554566B CN 201410751851 A CN201410751851 A CN 201410751851A CN 104554566 B CN104554566 B CN 104554566B
- Authority
- CN
- China
- Prior art keywords
- wheel
- clutch
- electric bicycle
- portable electric
- cursor
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
- B62K13/04—Cycles convertible to, or transformable into, other types of cycles or land vehicle to a tricycle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of wheel can clutch Portable electric bicycle, including vehicle frame, front-wheel and trailing wheel, described trailing wheel includes that two or so half are taken turns, two or so half wheels slide axially on two sliding axles respectively, arrangement of clutch is provided with the middle of two sliding axles, every sliding axle outboard end is fixed with cursor, cursor front end is hinged with described vehicle frame, variable angle makes two or so half wheels be automatically separated or close up between the arrangement of clutch drives two sliding axles, the advantage of this programme is that wheel can be realized separating or merging, electric motor car can according to actual travel environment between two-wheeled state and three-wheel state free switching.
Description
Technical field
The present invention relates to a kind of wheel can clutch Portable electric bicycle.
Background technology
At present, the emerging product in electric motor car market emerges in an endless stream, particularly some portable electric motor cars, such as stand-type
Electric motor car with two wheels is welcome by young man very much, and its advantage is small volume, easy to carry, is limited small by landform during traveling, can be worn
Shuttle possesses travel speed higher in narrow position, and because two-wheeler structure is small with respect to three-wheel by resistance, but this kind of
Car there is also certain defect, and being exactly that balance is relative is short of, and is especially travelled in busy urban district, can not show a candle to the electronic of Three-wheel type
Car stabilization.
The content of the invention
The technical problem to be solved in the invention be to provide a kind of wheel can clutch Portable electric bicycle, wheel can be with
Realize separate or merge, electric motor car can according to actual travel environment between two-wheeled state and three-wheel state free switching.
The technical scheme is that：A kind of wheel can clutch Portable electric bicycle, including vehicle frame, front-wheel and trailing wheel,
Described trailing wheel includes that left half wheel and right half is taken turns, and left half wheel and right half wheel slide axially on two sliding axles respectively, two cunnings
Arrangement of clutch is provided with the middle of moving axis, every sliding axle outboard end is fixed with cursor, and cursor front end is hinged with described vehicle frame,
Variable angle makes left half wheel and right half wheel be automatically separated or close up between the arrangement of clutch drives two sliding axles.
Preferably, described arrangement of clutch includes two chutes for setting vertically, and chute is connected with U-shaped shift fork, U-shaped shift fork
Two ends are slided in chute respectively, and U-shaped shift fork realizes that two chutes are separated, closed up when rotating, chute outer wall and described slip
Axle medial extremity is fixed.
Preferably, described U-shaped shift fork is connected with active section, one piece of pedal of active section top connection.
Preferably, two ends that U-shaped shift fork is slided in chute are provided with pulley or bearing.
Preferably, described chute is fixedly arranged at the front end with the metal L bracket of lateral bend outward, and described cursor inner side sets
There is the magnet attracting with L bracket outboard end, L bracket outboard end is provided with push switch.
Preferably, the madial wall of two L brackets wherein is provided with magnet and push switch.
Preferably, the wire casing passed through for wire is provided with inside described L bracket, the described push type of wire connection is opened
Close.
Preferably, described vehicle frame top is platform slab, and damper and damping are provided between platform slab and vehicle frame, cursor
Spring.
Preferably, described sliding axle is spline slide axle, and splined shaft is provided between left half wheel, right half wheel and sliding axle
Hold.
Preferably, described left half wheel and right half wheel outside are provided with brake disc, and brake disc outside is provided with dirt-proof boot.
After the technical program, front-wheel is the driving wheel of electric motor car, and trailing wheel is driven pulley, and trailing wheel includes that left half takes turns and right
Half is taken turns, and left half wheel and right half wheel are slid axially on two sliding axles, and arrangement of clutch, normal row are provided with the middle of two sliding axles
Two sliding axles are located at same straight line when sailing, and when arrangement of clutch works, are squeezed or drawn over to one's side in the middle of two sliding axles, while
Sliding axle outer end rotates together with cursor along vehicle frame, realizes introversion (interior eight shape) or flare (toed-out shape), works as introversion
When, left half wheel and right half wheel produce the component velocity slided to both sides, so that automatic separate left half wheel and right half wheel, vehicle are cut
Change to three-wheel state；When flare, left half wheel produces the component velocity of past central slide with right half wheel, and left half wheel and the wheel of the right side half are closed
And into a trailing wheel, so as to three-wheel state is switched into two wheel states again.Using this structure, driver can be according to reality
Driving environment voluntarily switches three-wheel, two wheel states, and three-wheel state can be switched in busy urban district, steady when increasing low speed
It is qualitative, when road conditions are more smooth, two wheel states are switched to, resistance is reduced, can further lift drive speed.
Brief description of the drawings
Accompanying drawing 1 is overall schematic three dimensional views of the invention；
Accompanying drawing 2 is schematic internal view of the present invention；
Accompanying drawing 3 is base plane schematic diagram；
Accompanying drawing 4 is the positive schematic diagram of electric motor car rear side；
Accompanying drawing 5 is schematic diagram when arrangement of clutch is separated；
Accompanying drawing 6 is schematic diagram when arrangement of clutch closes up；
Schematic diagram when accompanying drawing 7 is two sliding axle introversions；
Schematic diagram when accompanying drawing 8 is two sliding axle flares.
Specific embodiment
Specific embodiment of the invention is described further below in conjunction with the accompanying drawings：
As shown in Figures 1 to 8, a kind of wheel can clutch Portable electric bicycle, including vehicle frame 1, front-wheel 11 and trailing wheel, institute
The trailing wheel stated includes that the wheel of a left side half is partly taken turns with right, and left partly wheel is taken turns with right half and represented with label 2, and left partly wheel and the right side half are taken turns respectively axially
Slide on two sliding axles 3, arrangement of clutch be provided with the middle of two sliding axles, every sliding axle outboard end is fixed with cursor 4,
Cursor front end is hinged with described vehicle frame 1, and the arrangement of clutch combination cursor drives variable angle between two sliding axles,
Introversion (interior eight shape) or flare (toed-out shape) are realized, and left half wheel and right half wheel is automatically separated or is closed up,
When introversion, as shown in fig. 7, left half wheel and right half wheel produce the component velocity slided to both sides, so that automatic by left half wheel and right
Half wheel is separated, and vehicle is switched into three-wheel state, when flare, as shown in figure 8, left half wheel and right half wheel are produced toward central slide
Component velocity, left half wheel and right half wheel are merged into a trailing wheel, so as to three-wheel state is switched into two wheel states again, utilize
This structure driver can voluntarily switch three-wheel, two wheel states according to actual driving environment, can be cut in busy urban district
Change to three-wheel state, increase stability during low speed, when road conditions are more smooth, be switched to two wheel states, reduce resistance, can be with
Further lift drive speed.
Described arrangement of clutch includes two chutes 51 for setting vertically, and chute is connected with U-shaped shift fork 52, U-shaped shift fork two
End is slided in chute respectively, realizes that two chutes are separated, closed up when U-shaped shift fork is with center rotating, referring specifically to Fig. 5 and Fig. 6,
In Fig. 5, U-shaped shift fork horizontal positioned, two positions of chute are separated to maximum position by U-shaped shift fork, in Fig. 6, the rotation of U-shaped shift fork
Certain angle, U-shaped shift fork stirs two chutes toward middle mobile, and the distance of two chutes is narrowed down into minimum, realizes two cunnings
Groove closes up, and chute outer wall is fixed with sliding axle medial extremity, drives sliding axle to separate, close up when chute is separated, closed up；In addition, being
Driver is convenient to be operated, and described U-shaped shift fork is connected with active section 53, one piece of pedal 54 of active section top connection, active section
Drive link when two connecting rods, pedal or so are stepped on is connected between pedal and is transferred to active section, it is final to drive U-shaped shift fork suitable
Hour hands are rotated or rotated counterclockwise, and two ends of U-shaped shift fork are provided with pulley 55 in addition, and pulley can also be replaced with bearing, sliding
Wheel or bearing can reduce the coefficient of friction between U-shaped shift fork and chute, increase service life.
Located at vehicle frame front, front-wheel is connected with motor and battery to described front-wheel, and described vehicle frame top is platform slab
7, damper 71 and damping spring 72 are provided between platform slab and vehicle frame, cursor, increase the vehicle shock-proof effect of electric motor car.
Preferably, described sliding axle is spline slide axle, and spline bearing is provided between left half wheel, right half wheel and sliding axle
32, spline slide axle ensures to slide axially smooth, on spline slide axle plus smears lubricating oil；Described left half wheel and right half wheel outside
Brake disc 21 is provided with, brake disc outside is provided with dirt-proof boot 22, and dirt-proof boot can prevent micronic dust from entering on spline slide axle with dust-proof,
There is stuck phenomenon during avoiding spline bearing from being slided on spline slide axle.
In addition, additionally increasing the speed limiting function of three-wheel state in this programme, described chute is fixedly arranged at the front end with lateral bending outward
Bent metal L bracket 6, described cursor inner side is provided with the magnet 41 attracting with L bracket outboard end, L bracket outside
End is provided with push switch 61, when left half wheel and it is right partly take turns moved close at maximal margin toward both sides when, L bracket lateral bending outward
Bent outboard end is just fitted with cursor inner side, because inner side has certain angle of inclination when cursor is rotated, outside L bracket
Also should have constant slope during side actual design to increase laminating degree when both contact, by the magnet of cursor madial wall with
L bracket is attracting, presses push switch 61, and speed-limiting switch starts, and vehicle can be allowed to be in slower speed, improves stability；
In addition, the madial wall of two L brackets wherein also is provided with magnet 41 and push switch 61, when left half wheel and right half
Take turns when middle movement, push switch 61 is pressed in two L bracket madial walls laminatings, and now speed-limiting switch is released, and is returned to
Normal speed is travelled, and increases the speed of two wheel travelings.The wire casing passed through for wire is provided with inside described L bracket, wire connects
Described push switch is connect, wire is built in wire casing prevents aging, be also avoided that the hard thing in some road surfaces clashes into, improve safety
Property.
Below only just preferably example of the invention is described, but is not to be construed as limiting the scope of the invention.This hair
Bright not only limitation and above example, its concrete structure allow to change, and those skilled in the art can make respectively according to the present invention
Plant and change and deform, without departing from spirit of the invention, scope defined in appended claims of the present invention all should be belonged to.
Claims (10)
1. a kind of wheel can clutch Portable electric bicycle, including vehicle frame (1), front-wheel (11) and trailing wheel, front-wheel are electric motor car
Driving wheel, trailing wheel is driven pulley, it is characterised in that：Described trailing wheel includes left partly wheel and right half wheel, left half wheel and the wheel point of the right side half
Do not slide axially on two sliding axles (3), arrangement of clutch is provided with the middle of two sliding axles, every sliding axle outboard end is fixed with
Cursor (4), cursor front end is hinged with described vehicle frame (1), and angle becomes between the arrangement of clutch drives two sliding axles
Change makes left half wheel and right half wheel be automatically separated or close up.
2. a kind of wheel according to claim 1 can clutch Portable electric bicycle, it is characterised in that：Described clutch dress
Put including two chutes (51) for setting vertically, chute is connected with U-shaped shift fork (52), and U-shaped shift fork two ends are slided in chute respectively
Interior, U-shaped shift fork realizes that two chutes are separated, closed up when rotating, chute outer wall is fixed with described sliding axle medial extremity.
3. a kind of wheel according to claim 2 can clutch Portable electric bicycle, it is characterised in that：Described U-shaped is dialled
Fork is connected with active section (53), one piece of pedal (54) of active section top connection.
4. a kind of wheel according to claim 3 can clutch Portable electric bicycle, it is characterised in that：U-shaped shift fork is slided
Pulley (55) or bearing are provided with two ends in chute.
5. a kind of wheel according to claim 2 can clutch Portable electric bicycle, it is characterised in that：Before described chute
End is fixed with the metal L bracket (6) of lateral bend outward, and described cursor inner side is provided with attracting with L bracket outboard end
Magnet (41), L bracket outboard end is provided with push switch (61).
6. a kind of wheel according to claim 5 can clutch Portable electric bicycle, it is characterised in that：Two L-shaped
The madial wall that support is wherein one also is provided with magnet and push switch.
7. a kind of wheel according to claim 6 can clutch Portable electric bicycle, it is characterised in that：Described L-shaped branch
The wire casing passed through for wire, the described push switch of wire connection are provided with inside frame.
8. a kind of wheel according to claim 1 can clutch Portable electric bicycle, it is characterised in that：On described vehicle frame
Side is platform slab (7), and damper (71) and damping spring (72) are provided between platform slab and vehicle frame, cursor.
9. a kind of wheel according to claim 1 can clutch Portable electric bicycle, it is characterised in that：Described sliding axle
It is spline slide axle, spline bearing (32) is provided between left half wheel, right half wheel and sliding axle.
10. a kind of wheel according to claim 1 can clutch Portable electric bicycle, it is characterised in that：Described left half
Wheel and right half wheel outside are provided with brake disc (21), and brake disc outside is provided with dirt-proof boot (22).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751851.XA CN104554566B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
| CN201710315546.XA CN107054527B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
| CN201710315543.6A CN106926953B (en) | 2014-12-10 | 2014-12-10 | Wheel can clutch Portable electric bicycle working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751851.XA CN104554566B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315543.6A Division CN106926953B (en) | 2014-12-10 | 2014-12-10 | Wheel can clutch Portable electric bicycle working method |
| CN201710315546.XA Division CN107054527B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104554566A CN104554566A (en) | 2015-04-29 |
| CN104554566B true CN104554566B (en) | 2017-06-30 |
Family
ID=53071860
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410751851.XA Active CN104554566B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
| CN201710315543.6A Expired - Fee Related CN106926953B (en) | 2014-12-10 | 2014-12-10 | Wheel can clutch Portable electric bicycle working method |
| CN201710315546.XA Active CN107054527B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315543.6A Expired - Fee Related CN106926953B (en) | 2014-12-10 | 2014-12-10 | Wheel can clutch Portable electric bicycle working method |
| CN201710315546.XA Active CN107054527B (en) | 2014-12-10 | 2014-12-10 | A kind of wheel can clutch Portable electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104554566B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640263A (en) * | 2017-09-22 | 2018-01-30 | 苏州诺乐智能科技有限公司 | A kind of good rear two-wheel support electric car of applicability |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2469092A (en) * | 2009-04-01 | 2010-10-06 | Martin Yaffe Internat Ltd | Vehicle having two- and three-wheeled configurations |
| CN202180882U (en) * | 2011-03-16 | 2012-04-04 | 王衡 | Scooter capable of converting between two-wheel type and three-wheel type |
| CN203544255U (en) * | 2013-10-15 | 2014-04-16 | 上海钧睿国际贸易有限公司 | Scooter and wheel switching structure thereof |
| CN203888958U (en) * | 2014-04-23 | 2014-10-22 | 刘冬旭 | Folding wheel mechanism |
| CN203921067U (en) * | 2014-07-11 | 2014-11-05 | 康合营 | Two-wheeled becomes three-wheel novel electric vehicle |
| CN204236705U (en) * | 2014-12-10 | 2015-04-01 | 祝珍海 | A kind of wheel can the Portable electric bicycle of clutch |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853091A (en) * | 1994-08-11 | 1996-02-27 | Araya Kogyo Kk | Collapsible tricycle |
| US6641154B1 (en) * | 1999-09-09 | 2003-11-04 | Jeffrey Vey | Air bladder suspension for three-wheeled vehicle |
| JP2004001700A (en) * | 2002-04-09 | 2004-01-08 | Shinichiro Okawa | Separatable bicycle |
| CN1765688A (en) * | 2005-11-09 | 2006-05-03 | 何韧 | Multifunctional portable bicycle |
| TWI291424B (en) * | 2006-07-03 | 2007-12-21 | Joy Ride Technology Co Ltd | Vehicle with adjustable distance between moving/carrying units |
| CN102310907B (en) * | 2011-07-03 | 2012-10-10 | 杭州萧山钱鸿交通器材有限公司 | Wheel freewheel mechanism and three-wheel baby carriage adopting same |
| CN103057631B (en) * | 2013-02-08 | 2015-04-01 | 吉林大学 | Wheel track changing suspension mechanism of traveling machinery |
| CN203753310U (en) * | 2014-03-21 | 2014-08-06 | 黄顺 | Scooter convenient to dismount and mount |
-
2014
- 2014-12-10 CN CN201410751851.XA patent/CN104554566B/en active Active
- 2014-12-10 CN CN201710315543.6A patent/CN106926953B/en not_active Expired - Fee Related
- 2014-12-10 CN CN201710315546.XA patent/CN107054527B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2469092A (en) * | 2009-04-01 | 2010-10-06 | Martin Yaffe Internat Ltd | Vehicle having two- and three-wheeled configurations |
| CN202180882U (en) * | 2011-03-16 | 2012-04-04 | 王衡 | Scooter capable of converting between two-wheel type and three-wheel type |
| CN203544255U (en) * | 2013-10-15 | 2014-04-16 | 上海钧睿国际贸易有限公司 | Scooter and wheel switching structure thereof |
| CN203888958U (en) * | 2014-04-23 | 2014-10-22 | 刘冬旭 | Folding wheel mechanism |
| CN203921067U (en) * | 2014-07-11 | 2014-11-05 | 康合营 | Two-wheeled becomes three-wheel novel electric vehicle |
| CN204236705U (en) * | 2014-12-10 | 2015-04-01 | 祝珍海 | A kind of wheel can the Portable electric bicycle of clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106926953A (en) | 2017-07-07 |
| CN106926953B (en) | 2019-01-04 |
| CN107054527B (en) | 2019-05-24 |
| CN104554566A (en) | 2015-04-29 |
| CN107054527A (en) | 2017-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Huashan Inventor after: Fu Jinhua Inventor after: Wang Yujie Inventor after: Kang Zebo Inventor before: Zhu Zhenhai |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170608 Address after: Jingjiang Yi Jiang Village Road in Huian County of Fujian province Chongwu town 362000 No. 135 Applicant after: Kang Zebo Address before: 313117, 52-1, Cao Cao village, Dongfengcun, Changxing County, Huzhou, Zhejiang Applicant before: Zhu Zhenhai |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191115 Address after: 221700 houyulou village, Qiu Lou brigade, Sunlou sub district office, Fengxian County, Xuzhou City, Jiangsu Province Patentee after: Xuzhou super Lida Electric Vehicle Co., Ltd. Address before: Jingjiang Yi Jiang Village Road in Huian County of Fujian province Chongwu town 362000 No. 135 Patentee before: Kang Zebo |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150429 Assignee: Xuzhou Xinyuan Environmental Protection Equipment Co.,Ltd. Assignor: XUZHOU CHAOLIDA ELECTRIC VEHICLE CO.,LTD. Contract record no.: X2021980016439 Denomination of invention: A portable electric vehicle with clutch wheel Granted publication date: 20170630 License type: Exclusive License Record date: 20211224 |
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| EE01 | Entry into force of recordation of patent licensing contract |