CN202180883U - Self-propelled four-wheeled box wagon - Google Patents
Self-propelled four-wheeled box wagon Download PDFInfo
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- CN202180883U CN202180883U CN 201120302296 CN201120302296U CN202180883U CN 202180883 U CN202180883 U CN 202180883U CN 201120302296 CN201120302296 CN 201120302296 CN 201120302296 U CN201120302296 U CN 201120302296U CN 202180883 U CN202180883 U CN 202180883U
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Abstract
The utility model discloses a self-propelled four-wheeled box wagon, which comprises a frame, a wagon shell, a running system, a steering device and a brake device. The wagon shell, the running system, the steering device and the brake device are disposed on the frame, the running system comprises a left front wheel, a right front wheel, a left rear wheel, a right rear wheel and a rear wheel driving device, the rear wheel driving device comprises a gearbox and a speed changing box, the gearbox and the speed changing box realize power transmission via a transmission shaft, the gearbox is fixed at the front of the frame, the speed changing box is fixed at the rear of the frame, pedals for driving the gearbox are respectively disposed on two side surfaces of the gearbox, the left front wheel and the right front wheel are respectively arranged on the frame via a left front wheel rotating shaft and a right front wheel rotating shaft, the left rear wheel and the right rear wheel are respectively arranged on the frame via a left rear driving shaft and a right rear driving shaft, and an output shaft of the speed changing box is connected with the left rear driving shaft or right rear driving shaft. The self-propelled four-wheeled box wagon adopts manual driving, is simple in structure, realizes zero emission, is economical and environment-friendly, not only can be used as mobile leisure fitness equipment for people to take exercises, but also can be used as a vehicle, is suitable for old people, middleaged people and young people, and keeps out wind, rain and sunshine.
Description
Technical field
The utility model relates to bicycle, is specifically related to self-propelled four-wheel box car.
Background technology
At present, the walking-replacing tool of people's trip mainly contains bicycle, motor bike, Electrical Bicycle and automobile.Wherein, bicycle, motor bike and Electrical Bicycle generally adopt two wheels or three wheels, and its shortcoming is: less stable, be difficult to grasp balance, and unsuitable the elderly uses.Simultaneously,, may cause cervical muscle and lumbar muscle strain by bike at a distance for a long time, male genitourinary system is produced harmful effect because vehicle seat is narrow.In addition, these vehicle lack becalm, keep off the rain, sunproof device, and the arm function fails to make full use of.
For automobile, because automobile relies on limited fuel such as gasoline, can discharge a large amount of useless cigarette and waste gas, seriously polluted the environment of human survival.
This shows, present traffic means of transport, perhaps less stable, traveling comfort are relatively poor; Perhaps high, the contaminated environment of cost.
The utility model content
The utility model technical matters to be solved is that transport solution walking-replacing tool or less stable, traveling comfort are relatively poor; Perhaps high, the problem of environment pollution caused of cost.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of self-propelled four-wheel box car, comprises vehicle frame and is arranged on car shell, driving system, steering hardware and the brake gear on the vehicle frame; Said driving system comprises left and right front-wheel; Left and right trailing wheel and back-wheel drive device, said back-wheel drive device comprises gear case and change speed gear box, the two connects the realization power transmission through transmission shaft; Gear case is fixed on the front portion of vehicle frame; Change speed gear box is fixed on the rear portion of vehicle frame, is respectively arranged with on two sides of gear case to be used to drive the foot-operated of this gear case, and left and right front-wheel is arranged on the vehicle frame through left and right front-wheel rotating shaft respectively; Left and right trailing wheel is arranged on the vehicle frame through left and right rear drive shaft respectively, and the output shaft of change speed gear box is connected with left back axle drive shaft or right back axle drive shaft.
In such scheme; Said brake gear comprises the left and right hub disk lock that is arranged on the left and right rear drive shaft and is arranged on the left and right shroud lock in the left and right front-wheel rotating shaft; Left and right hub disk lock is connected on the back brake control stalk that is arranged on the vehicle frame through a steel wire respectively, and left and right shroud lock is connected on the front brake control stalk that is arranged on the vehicle frame through a steel wire respectively.
In such scheme, said driving system comprises that also left hand moves servomechanism, and the moving servomechanism of said left hand comprises left assister bar, first, second left power-assisted acceleration chain wheel and left power-assisted sprocket wheel, left servo-clutch; First, second left power-assisted acceleration chain wheel is separately positioned on the vehicle frame, and left assister bar is arranged on the vehicle frame, and left power-assisted sprocket wheel and left servo-clutch are installed in respectively on the right back axle drive shaft; The first power-assisted chain, one end is fixed on the vehicle frame; The other end is walked around the first left power-assisted acceleration chain wheel and is fixed on the circle core shaft of the second left power-assisted acceleration chain wheel, and an end of the second power-assisted chain is fixed on the vehicle frame, and the other end is walked around on the second left power-assisted acceleration chain wheel and the left power-assisted sprocket wheel; Oppositely be enclosed within on the track adjusting wheel then; Be connected with first retracting spring, the other end of first retracting spring is fixed on the vehicle frame again, and track adjusting wheel is arranged on the vehicle frame.
In such scheme; Said driving system comprises that also the right hand moves servomechanism, and the moving servomechanism of the said right hand comprises right assister bar, right power-assisted accelerator, right servo-clutch, right power-assisted sprocket wheel and right power-assisted chain, and right power-assisted sprocket wheel is arranged on the right back axle drive shaft; Right assister bar is arranged on the vehicle frame; One end of right power-assisted accelerator is arranged on the vehicle frame and forms sliding pair with it and connects, and simultaneously hinged with the lower end of right assister bar, the other end links to each other with the right power-assisted chain of ring set on right power-assisted sprocket wheel; The other end of right power-assisted chain links to each other with the front end of second retracting spring, and the rear end of second retracting spring is fixed on the vehicle frame.
In such scheme; Said steering hardware comprises bearing circle, turns to main drive spindle, steering gear, rack bar, Linkage steering and the left and right handle that turns to; The lower end of main drive spindle is rotated and is arranged on the vehicle frame and is fixed with steering gear, bearing circle with turn to the upper end of main drive spindle to fix, steering gear is meshed with the steering rack bar; One end of steering rack bar is hinged with Linkage steering, the other end is connected with the steering damper sliding pair; Steering damper is fixed on the vehicle frame, and the two ends of Linkage steering are hinged with the left and right handle that turns to respectively, and the left and right handle that turns to is connected with left and right front-wheel rotating shaft respectively.
In such scheme; The left and right side of car shell is uncovered structure; And open-mouth is respectively equipped with rain-baffling device, and said rain-baffling device comprises fixed link, fan-shaped check apron and folding rod, and the lower end of fixed link is secured on the vehicle frame; The place ahead and lower end that folding rod is arranged on fixed link are hinged on the vehicle frame, and the dual-side of fan-shaped check apron is separately fixed on fixed link and the folding rod.
In such scheme, the top of car shell is provided with solar panel, and is connected with loudspeaker with forward and backward car light on being arranged on vehicle frame through lead.
The utility model utilizes manpower to drive, and structure-preserving is simple, and the zero-emission ring both can be used as the portable recreation and body-building equipment of taking exercises, and can be used as traffic means of transport again, and the aged,middle aged person and young man are all suitable, can also becalm, keep off the rain, prevent Exposure to Sunlight.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a driving system structural representation in the utility model;
Fig. 3 is the moving servomechanism principle schematic of left hand in the utility model;
Fig. 4 is the manual servomechanism principle schematic of the utility model right-of-center in political views;
Fig. 5 is the utility model speed change, advance and move backward principle assumption diagram.
Among the figure:
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed description.
As shown in Figure 1; The self-propelled four-wheel box car that the utility model provides comprises vehicle frame 2 and is arranged on car shell 1 and the driving system on the vehicle frame 2 that the left and right side of car shell 1 is uncovered structure; And the top is installed with solar panel 47; Being used for solar energy converting is electric energy, is wired to electric apparatuss such as forward and backward car light, loudspeaker again, to its power supply.
As shown in Figure 2; Driving system comprises left and right front- wheel 22,34; Left and right trailing wheel 17,42 and back-wheel drive device, steering hardware and brake gear; Left and right front- wheel 22,34 is arranged on the vehicle frame 2 through left and right front- wheel rotating shaft 21,33 respectively, and left and right trailing wheel 17,42 is arranged on the vehicle frame 2 through left and right rear drive shaft 14,7 respectively, and the rear portion of vehicle frame 2 also is provided with seat 46 (referring to Fig. 1).
Combine Fig. 2, Fig. 5 again, the back-wheel drive device comprises gear case 20 and change speed gear box 13, and the two connects the realization power transmission through transmission shaft 60, and this part-structure can adopt existing techniques in realizing, below its principle of work of summary.Gear case 20 is fixed on the front portion of vehicle frame 2, and change speed gear box 13 is fixed on the rear portion of vehicle frame 2.Be respectively arranged with foot-operated 35 on two sides of gear case 20; Through scrunching foot-operated 35; Driving bevel gear 57 in left and right pedal spindle 36, the 58 driven gear casees 20 rotates; Driving bevel gear 57 drives transmission shaft 60 through bevel gear 59 again; Send power to the back driving bevel gear 61 in the change speed gear box 13, then through driven bevel pinion 63 drive the straight-tooth wheels formed by gear 64,75,77,78, the speed change intermediate gear group formed by gear 65,67,74,76 and by the driven straight-tooth wheels that gear 70,71,72,73 is formed, drive left back axle drive shaft 14 rotations at last.Gear 64,75,77,78 is installed in respectively on the primary shaft 62; Gear 65,67,74,76 is installed on second 66; Gear 70,71,72,73 is installed on the left back axle drive shaft 14, and gear 69 is installed on the third axle 68, can realize speed change and the conversion of advancing and moveing backward through change speed gear box 13; Wherein, Second 66 of the speed change intermediate gear group with gear 67 between be connected through castellated shaft, drive the gear 71 in the driven straight-tooth wheels, on the gear 73 in the driven straight-tooth wheels and the endoporus of gear 70 ratchet and pawl is housed.
When the need car quickens, second 66 of speed change intermediate gear group stirred left, make speed change middle gear 74 and 75 engagements of China and foreign countries' straight gear; Can realize one grade of acceleration; Continuation is stirred second 66 left, makes change speed pinion 76 and big outer straight gear 77 engagements, can realize that second gear quickens; When the need car slows down, second 66 is stirred to the right, make speed change middle gear 74 and 75 engagements of China and foreign countries' straight gear; Speed when then making speed of a motor vehicle reduction get back to one grade of acceleration; Continue the right side and dial second 66, make speed change big gear wheel 65 and little outer straight gear 64 engagements, then the speed of a motor vehicle is reduced to original normal speed.
When the need car advances, inner gear 72 is pushed left terminal location, the outer straight gear of it and the wheel hub that drives little outer straight gear 71 and big compound gear 73 is meshed simultaneously, to roll forward thereby drive left back wheel, this moment, car was for going forward; When need are moveed backward, inner gear 72 is pushed right terminal location, the outer straight gear of it and the wheel hub that drives little outer straight gear 71 and little compound gear 70 is meshed simultaneously, to roll thereby drive left back wheel backward, this moment, car was a reverse travel.
Brake gear comprises and is arranged on the left and right hub disk lock 16,41 on the left and right rear drive shaft 14,7 and is arranged on the left and right shroud lock 23,30 in the left and right front- wheel rotating shaft 21,33; Left and right hub disk lock 16,41 is connected on the back brake control stalk 40 that is arranged on the vehicle frame through a steel wire respectively; Left and right shroud lock 23,30 is connected on the front brake control stalk 45 that is arranged on the vehicle frame through a steel wire respectively, makes things convenient for navigating mate control brake.
The utility model also is provided with left and right manual servomechanism; As shown in Figure 3; The moving servomechanism of left hand comprises left assister bar 18, first, second left power-assisted acceleration chain wheel 12,11 and left power-assisted sprocket wheel 9, left servo-clutch 10, and first, second left power-assisted acceleration chain wheel 12,11 is separately positioned on the frame, and left assister bar 18 is arranged on the vehicle frame 2; Left side power-assisted sprocket wheel 9 is installed in respectively on the right back axle drive shaft 7 with left servo-clutch 10; The manipulation control line of left side servo-clutch 10 is connected on the left servo-clutch bar handle 44 on the bearing circle, and the first power-assisted chain, 52 1 ends are fixed on the frame 2, and the other end is walked around the first left power-assisted acceleration chain wheel 12 and is fixed on the circle core shaft of the second left power-assisted acceleration chain wheel 11; One end of the second power-assisted chain 50 is fixed on the vehicle frame 2; The other end is walked around on the second left power-assisted acceleration chain wheel 11 and the left power-assisted sprocket wheel 9, oppositely is enclosed within then on the track adjusting wheel 51, is connected with first retracting spring 49 again; The other end of first retracting spring 49 is fixed on the vehicle frame 2, and track adjusting wheel 51 is arranged on the frame 2.
Use the left side manually during servomechanism; At first left servo-clutch 10 is closed through left servo-clutch bar handle 44; Spur left assister bar 18 then, the first left power-assisted acceleration chain wheel 12 is rotated, the second left power-assisted sprocket wheel 11 is rotated through the first power-assisted chain 52; And then left power-assisted sprocket wheel 9 is rotated by the second power-assisted chain 50, rotate thereby drive right back axle drive shaft 7.
As shown in Figure 4; The moving servomechanism of the right hand comprises right assister bar 39, right power-assisted accelerator 3, right servo-clutch 4, right power-assisted sprocket wheel 5 and right power-assisted chain 6; Right power-assisted sprocket wheel 5 is arranged on the right back axle drive shaft, and right assister bar 39 is arranged on the vehicle frame 2, and an end of right power-assisted accelerator 3 is arranged on the vehicle frame 2 and forms sliding pair with it and connects; Simultaneously hinged with the lower end of right assister bar 39; The other end links to each other with the right power-assisted chain 6 of ring set on right power-assisted sprocket wheel 5, and the other end of right power-assisted chain 6 links to each other with the front end of second retracting spring 53, and the rear end of second retracting spring 53 is fixed on the vehicle frame 2.
When using the manual servomechanism in right side, right servo-clutch 4 is closed, spur right assister bar 39 then right power-assisted accelerator 3 is shunk, right power-assisted sprocket wheel 5 is rotated, rotate thereby drive right back axle drive shaft 7 through right power-assisted chain 6.
Left side assister bar 18 reduces half with all collapsible length that makes of right assister bar 39.
Manually servomechanism is used for alleviating the working strength of the two legs of navigating mate in the process of going; When the navigating mate two legs is not thought to pedal; Navigating mate can make the four-wheel box car continue to go through hand left assister bar or right assister bar; Perhaps navigating mate can give it the gun by the four-wheel box car by hand left and right sides assister bar when both legs to pedal.
Said steering hardware comprises bearing circle 38, turn to main drive spindle 37, steering gear 28, rack bar 27, Linkage steering 26 and the left and right handle 25,32 that turns to; The lower end of main drive spindle 37 is rotated and is arranged on the frame 2; And be fixed with steering gear 28; Bearing circle 38 with turn to the upper end of main drive spindle 37 to fix; Steering gear 28 is meshed with steering rack bar 27, and an end of steering rack bar 27 and Linkage steering are 26 hinged, the other end is connected with the steering damper sliding pair, and steering damper is fixed on the frame 2; The two ends of Linkage steering 26 are hinged with the left and right handle 25,32 that turns to respectively; The left and right handle 25,32 that turns to is connected with left and right front- wheel rotating shaft 21,33 respectively, through cw or rotate counterclockwise bearing circle 38 and drive and turn to main drive spindle 37, steering gear 28, steering rack bar 27, Linkage steering 26, left and right deflecting bar 25,32, realizes the turnon left or the right-hand corner of car.
Referring to Fig. 1, the open-mouth of the and arranged on left and right sides face of car shell 1 is respectively equipped with rain-baffling device, and rain-baffling device comprises fixed link 54, fan-shaped check apron 55 and folding rod 56; The lower end of fixed link 54 is secured on the vehicle frame 2, and the place ahead of the fixed link 54 that folding rod 56 is arranged on and lower end are hinged on the frame 2, and the dual-side of fan-shaped check apron 55 is separately fixed on fixed link 54 and the folding rod 56; When raining; Chaufeur pulling folding rod 56 makes folding rod 56 rotate around hinge-point, drives fan-shaped check apron 55 and stretches; Thereby blocked the empty window of car both sides, realized the function of keeping off the rain.During no rain, the folding rod 56 of can pulling back is together with the fan-shaped check apron 55 folding back afterbodys that are recovered to car shell 1.Can becalm, keep off the rain, prevent Exposure to Sunlight through rain-baffling device,, all can feel the same during the navigating mate trip with being sitting in the general-utility car no matter be fine day or wind and rain sky.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of under the enlightenment of the utility model, making, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the utility model.
Claims (7)
1. self-propelled four-wheel box car; Comprise vehicle frame and be arranged on car shell, driving system, steering hardware and the brake gear on the vehicle frame, it is characterized in that: said driving system comprises left and right front-wheel, left and right trailing wheel and back-wheel drive device; Said back-wheel drive device comprises gear case and change speed gear box; The two connects the realization power transmission through transmission shaft, and gear case is fixed on the front portion of vehicle frame, and change speed gear box is fixed on the rear portion of vehicle frame; Be respectively arranged with on two sides of gear case and be used to drive the foot-operated of this gear case; Left and right front-wheel is arranged on the vehicle frame through left and right front-wheel rotating shaft respectively, and left and right trailing wheel is arranged on the vehicle frame through left and right rear drive shaft respectively, and the output shaft of change speed gear box is connected with left back axle drive shaft or right back axle drive shaft.
2. self-propelled four-wheel box car as claimed in claim 1; It is characterized in that; Said brake gear comprises the left and right hub disk lock that is arranged on the left and right rear drive shaft and is arranged on the left and right shroud lock in the left and right front-wheel rotating shaft; Left and right hub disk lock is connected on the back brake control stalk that is arranged on the vehicle frame through a steel wire respectively, and left and right shroud lock is connected on the front brake control stalk that is arranged on the vehicle frame through a steel wire respectively.
3. self-propelled four-wheel box car as claimed in claim 1; It is characterized in that; Said driving system comprises that also left hand moves servomechanism, and the moving servomechanism of said left hand comprises left assister bar, first, second left power-assisted acceleration chain wheel and left power-assisted sprocket wheel, left servo-clutch; First, second left power-assisted acceleration chain wheel is separately positioned on the vehicle frame, and left assister bar is arranged on the vehicle frame, and left power-assisted sprocket wheel and left servo-clutch are installed in respectively on the right back axle drive shaft; The first power-assisted chain, one end is fixed on the vehicle frame; The other end is walked around the first left power-assisted acceleration chain wheel and is fixed on the circle core shaft of the second left power-assisted acceleration chain wheel, and an end of the second power-assisted chain is fixed on the vehicle frame, and the other end is walked around on the second left power-assisted acceleration chain wheel and the left power-assisted sprocket wheel; Oppositely be enclosed within on the track adjusting wheel then; Be connected with first retracting spring, the other end of first retracting spring is fixed on the vehicle frame again, and track adjusting wheel is arranged on the vehicle frame.
4. self-propelled four-wheel box car as claimed in claim 1; It is characterized in that; Said driving system comprises that also the right hand moves servomechanism, and the moving servomechanism of the said right hand comprises right assister bar, right power-assisted accelerator, right servo-clutch, right power-assisted sprocket wheel and right power-assisted chain, and right power-assisted sprocket wheel is arranged on the right back axle drive shaft; Right assister bar is arranged on the vehicle frame; One end of right power-assisted accelerator is arranged on the vehicle frame and forms sliding pair with it and connects, and simultaneously hinged with the lower end of right assister bar, the other end links to each other with the right power-assisted chain of ring set on right power-assisted sprocket wheel; The other end of right power-assisted chain links to each other with the front end of second retracting spring, and the rear end of second retracting spring is fixed on the vehicle frame.
5. self-propelled four-wheel box car as claimed in claim 1; It is characterized in that said steering hardware comprises bearing circle, turns to main drive spindle, steering gear, rack bar, Linkage steering and the left and right handle that turns to, the lower end of main drive spindle is rotated and is arranged on the frame and is fixed with steering gear; Bearing circle with turn to the upper end of main drive spindle to fix; Steering gear is meshed with the steering rack bar, and an end of steering rack bar is hinged with Linkage steering, the other end is connected with the steering damper sliding pair, and steering damper is fixed on the frame; The two ends of Linkage steering are hinged with the left and right handle that turns to respectively, and the left and right handle that turns to is connected with left and right front-wheel rotating shaft respectively.
6. self-propelled four-wheel box car as claimed in claim 1; It is characterized in that the left and right side of car shell is uncovered structure, and open-mouth is respectively equipped with rain-baffling device; Said rain-baffling device comprises fixed link, fan-shaped check apron and folding rod; The lower end of fixed link is secured on the vehicle frame, and the place ahead and lower end that folding rod is arranged on fixed link are hinged on the vehicle frame, and the dual-side of fan-shaped check apron is separately fixed on fixed link and the folding rod.
7. self-propelled four-wheel box car as claimed in claim 1 is characterized in that the top of car shell is provided with solar panel, and is connected with loudspeaker with forward and backward car light on being arranged on vehicle frame through lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120302296 CN202180883U (en) | 2011-08-19 | 2011-08-19 | Self-propelled four-wheeled box wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120302296 CN202180883U (en) | 2011-08-19 | 2011-08-19 | Self-propelled four-wheeled box wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180883U true CN202180883U (en) | 2012-04-04 |
Family
ID=46173929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120302296 Expired - Fee Related CN202180883U (en) | 2011-08-19 | 2011-08-19 | Self-propelled four-wheeled box wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202180883U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296478A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Novel air impedance matching material based on artificial metal microstructure unit and radome |
| CN103991497A (en) * | 2014-05-29 | 2014-08-20 | 福建省泉州市第七中学 | Multifunctional walking aid wheelchair for fitness |
| CN104510590A (en) * | 2015-01-09 | 2015-04-15 | 哈尔滨工程大学 | Electric stand walking aid with restoration function |
| ES2576781A1 (en) * | 2015-01-09 | 2016-07-11 | Paul Rudy SÁNCHEZ SISLEY | Pedal vehicle (Machine-translation by Google Translate, not legally binding) |
| CN112020987A (en) * | 2020-09-16 | 2020-12-04 | 南京工程学院 | Remote control weeder capable of spraying dust fall |
| CN113002675A (en) * | 2021-03-21 | 2021-06-22 | 山东百家兴农业科技股份有限公司 | Ecological agriculture tourism landscape car and identification system thereof |
-
2011
- 2011-08-19 CN CN 201120302296 patent/CN202180883U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296478A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Novel air impedance matching material based on artificial metal microstructure unit and radome |
| CN103991497A (en) * | 2014-05-29 | 2014-08-20 | 福建省泉州市第七中学 | Multifunctional walking aid wheelchair for fitness |
| CN103991497B (en) * | 2014-05-29 | 2016-06-29 | 福建省泉州市第七中学 | A kind of multifunctional body-building travelling aided bicycle |
| CN104510590A (en) * | 2015-01-09 | 2015-04-15 | 哈尔滨工程大学 | Electric stand walking aid with restoration function |
| ES2576781A1 (en) * | 2015-01-09 | 2016-07-11 | Paul Rudy SÁNCHEZ SISLEY | Pedal vehicle (Machine-translation by Google Translate, not legally binding) |
| CN112020987A (en) * | 2020-09-16 | 2020-12-04 | 南京工程学院 | Remote control weeder capable of spraying dust fall |
| CN113002675A (en) * | 2021-03-21 | 2021-06-22 | 山东百家兴农业科技股份有限公司 | Ecological agriculture tourism landscape car and identification system thereof |
| CN113002675B (en) * | 2021-03-21 | 2023-03-03 | 山东百家兴农业科技股份有限公司 | Ecological agriculture tourism landscape car and identification system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120404 Termination date: 20140819 |
|
| EXPY | Termination of patent right or utility model |