CN2818294Y - Four-wheel-rolling bicycle - Google Patents
Four-wheel-rolling bicycle Download PDFInfo
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- CN2818294Y CN2818294Y CNU2005200260607U CN200520026060U CN2818294Y CN 2818294 Y CN2818294 Y CN 2818294Y CN U2005200260607 U CNU2005200260607 U CN U2005200260607U CN 200520026060 U CN200520026060 U CN 200520026060U CN 2818294 Y CN2818294 Y CN 2818294Y
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Abstract
The utility model discloses a four-wheel-rolling single or double bicycle which solves the problems that seats are fixed, the speed of the existing four-wheel bicycle is hard to exceed that of a pedal bicycle, the existing four-wheel bicycle does not have the interest of competitive sports and popularization value, etc. The utility model adopts the technical scheme that double parallel middle beams (1) are adopted, wherein a front bicycle fork (5) of double front axles (2) with two wheels is fixedly installed on the front end of each of the double parallel middle beams (1), a back axle (13) where two wheels are installed is installed on the back end thereof, a pedal steering device, a draw lever variable force push-and-pull driving device of sleeving telescopic type and a sliding seat driving device are respectively installed on each of the double parallel middle beams (1), and then, the athletic type four-wheel-rolling driving bicycle which is used for riding instead of walk and has the advantages of environmental protection, energy saving, labour saving, time saving, body building, quickness, favorable roadability and easy popularization is formed. The utility model is not only an ideal tool for riding instead of walk but also a portable apparatus for the body building; under the conditions of energy shortage, serious environmental protection problem, fast working and living pace and serious subhealthy, the significance of the development of a new product with which a user can be exercised on the way of going to work is great.
Description
Technical field:
The utility model relates to a kind of quadricycle device, and particularly a kind of four-wheel of entertaining, body-building, competitive sport of realizing is drawn the sliding single or double formula bicycle that drives.
Background technology:
At present, rod-pulling type, crank type tricycle have all become the good assistant of instead of walk for invalids, but this tricycle turn to propulsive effort all from the both hands arm, both feet are idle.This car vehicle seats is fixed, and firmly amplitude is little, fatiguability, and the speed of a motor vehicle, endurance and traction ability all are difficult to surpass pedal type bicycle.Therefore, lose the interest of its competitive sport and the actual value of popularization.Though and our bicycle with triple wheels driven of before open invention has solved the problems referred to above, but occur single-beam, three-wheel vehicle in not enough, the foot-operated steering hardware of stability in service simplify inadequately, chain drum can not play one's part to the full when having an effect and sliding seat only plays driving action indirectly and a stroke pole length relative fixed can not produce problems such as variable force speed change.
Summary of the invention:
The utility model is the research of carrying out at the problems referred to above, thereby its objective is with twin beams, four-wheel and replace the problem that original single-beam bicycle with triple wheels driven has solved fluctuation of service; Adopted foot-operated steering hardware of two-wheeled and reciprocating type chain drum drive configuration again, made a stroke bar push-and-pull, chain drum in reciprocating operation, can both give full play to driving action; The utility model has changed fixed stroke of bar of former stroke of pole length and has drawn bar for the sleeve pipe telescoping, and its stroke pole length can stretch to the requirement of drawing stick force according to the speed of a motor vehicle at any time, makes this stroke bar become the variable force speed changing type and draws bar; Changing sliding seat drives to can independent direct drive indirectly by only rely on drawing bar, realization surmounts existing two kinematic velocity, endurance and the traction abilities of taking turns pedal type bicycle, create both energy-saving and environmental protection, laborsaving, again entertaining, ride instead of walk, the single or double bike with four wheels driven by rowing and sliding of multipurpose such as sports, body-building.
The technical solution adopted in the utility model is:
A kind of bike with four wheels driven by rowing and sliding, it is characterized in that: adopt two parallel central sills [1], the front truck that the two front axles [2] of two-wheel fixedly are housed at two parallel central sills [1] front end is inserted [5], two-wheel rear axle [13] is equipped with in its rear end, and foot-operated steering hardware, telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device, sliding seat actuating device are housed respectively on two parallel central sills [1]:
Foot-operated steering hardware: front truck slotting [5] has upward, left and right three ends, its upper end is fixed with the front end of two parallel central sills [1], the left and right end portions that front truck is inserted [5] crossbeam connect with the left and right sides front axle [2] that front-wheel is housed respectively and with about two front axles [2] bonded assembly front axle connecting rods [11] parallel, go up installation pipe link [4] at two parallel central sills [1], pipe link [4] has left and right, following three ends, about hold and be connected with stretcher [3], the lower end is then inserted [5] top and front truck by front truck and is inserted [5] crossbeam middle part and be connected with the middle part of front axle connecting rod [11];
Telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device: the center shaft [7] of chain drum [6] is installed, telescopic stroke of bar of the two ends mounting sleeve of center shaft [7] [8] at the place, below, stage casing of two parallel central sills [1]; One side of chain [10] had mercy on above the chain drum [6] and be installed in a flywheel [9] on the rear axle [13] above, oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, the more reverse chain drum [6] of having mercy on back below another flywheel [9] on rear axle [13].
The above is two shared chain disk drive devices of bar of drawing, can certainly be designed to two strokes of bars and control a cover chain disk drive device respectively alone, a center shaft [7] that chain drum [6] are arranged promptly respectively is installed in two beam inboards of two parallel central sills [1], and telescopic stroke of bar of a sleeve pipe [8] respectively installed in two outer ends of two center shafts [7]; Above two chain drums [6] that one side of two chains [10] was had mercy on arranged side by side respectively and be installed in rear axle [13] go up two flywheels [9] arranged side by side above, oppositely on being installed in two parallel central sill [1] rear ends, back have mercy on above two introductions [14] arranged side by side, the more reverse chain drum [6] of having mercy on back below other two flywheels arranged side by side [9] on rear axle [13].
The essential characteristic that the sleeve pipe telescoping is drawn bar [8] is two pipe boxes dresses, the internal diameter of one of them sleeve pipe and the external diameter of another sleeve pipe match, draw the bar handle and prick handle at the end dress of a sleeve pipe, one end of another sleeve pipe carries out axle with the end of center shaft [7] and is connected, the synthetic bar of drawing of these two pipe boxes, when flexible stroke of pole length of needs, along the direction of cover tube wall or carry or press and get final product, if produce friction between two tube walls during perpendicular to the direction left and right sides push-and-pull of cover tube wall, the length of drawing bar then can not produce telescopic variation.
Sliding seat actuating device: slidably seat [12] is installed on two parallel central sills [1], one end of chain [10] is fixed under the seat [12], the other end is had mercy on back above being installed in the anterior guide wheel of two parallel central sills [1], haves mercy on back above the flywheel [9] on being installed in rear axle [13] to connect with sliding seat [12] (pipe link under the seat is connected with the chain above having mercy on) or chain return wheel again.Fix a two parallel pulley yoke under the seat, three location pulleys respectively are installed on the both sides of pulley yoke.Establish limited bolt on two parallel central sills [1], two limited bolts are at a distance of about about one meter, and seat [12] can translation between two limited bolts.
This single formula quadricycle also can change two people or many people formula into, promptly go up a foot-operated steering hardware and biconjugate stretcher [3] are installed at two parallel central sills [1], telescopic stroke of bar variable force of two sleeve pipes push-and-pull actuating device, two sliding seat actuating devices, its special card is the center shaft [7] that strand dish [6] are installed on two parallel central sills [1], the center shaft [7] of former and later two double-stranded dishes [6] is installed thereafter, the telescopic stroke of bar of the equal mounting sleeve in two ends [8] of preceding two center shafts [7], with a chain [10] strand dish [6] is connected with a preceding double-stranded chain drum that coils in [6], with second chain [10] the double-stranded chain drum that coils in [6] in another chain drum in the preceding double-stranded dish [6] and back is connected, article three, another chain drum in the rich double-stranded dish [6] later in one side of chain [10] and be installed in a flywheel [9] on the rear axle [13] above, and oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, two strands is coiled [6] after oppositely having mercy on back below another flywheel [9] on rear axle [13] again; Except that installing the foot-operated steering hardware, again at the fixing a pair of stretcher [3] of two parallel central sills [1] middle-end at the front end of two parallel central sills [1].
Two sliding seat actuating devices: on two parallel central sills [1], be equipped with two with chain bonded assembly seat [12] slidably, one end of another chain [10] is fixed under first seat [12], the other end is had mercy on back above being installed in the anterior guide wheel of two parallel central sills [1], haves mercy on back above the flywheel [9] on being installed in rear axle [13] to connect with second sliding seat [12] (pipe link under the seat is connected with the chain above having mercy on) or chain return wheel again.
Advantage of the present utility model with good effect is: owing to install to ride steering hardware, telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device, sliding seat actuating device on the two parallel central sill of this bike with four wheels driven by rowing and sliding, whole competitive sport advantages of bent rowing and interesting body-building are concentrated on the bicycle embody.Also can produce seat and telescopic stroke of bar of sleeve pipe of propulsive effort alone by on bike with four wheels driven by rowing and sliding, installing to slide, thereby not only strengthen the amplitude of paddling and the variable dynamics of stroke bar, also walk more steady than single-beam, bicycle with triple wheels driven.
Because the complicated unstable structure that the connecting rod of the parallelogram that the pipe link [4] of foot-operated steering hardware adopts at single-beam from original bicycle with triple wheels driven turns to, changing front truck into inserts on [5] have, a left side, right three ends, its upper end is fixed with the front end of two parallel central sills [1], the left and right end portions that front truck is inserted [5] crossbeam connect with the left and right sides front axle [2] that front-wheel is housed respectively and with about two front axles [2] bonded assembly front axle connecting rods [11] parallel, go up installation pipe link [4] at two parallel central sills [1], pipe link [4] has a left side, right, following three ends, about hold and be connected with stretcher [3], the simple and direct rock-steady structure of middle part bonded assembly of [5] top and front truck slotting [5] crossbeam middle part and front axle connecting rod [11] is then inserted in the lower end by front truck, therefore, by about the difference of foot-operated deflecting plate legpower, can make two front-wheels by pipe link [4], front axle connecting rod [11] and the parallel linked steering of two front axles [2]; This foot-operated steering hardware has been arranged, and seat [12] could slide front and back, and it is matched with push-pull effort of drawing bar [8], and competence exertion goes out bigger making a concerted effort and drives function.This bicycle is not only laborsaving, the speed of a motor vehicle can surmount the maximum speed per hour that has cycle racing now, has also increased the characteristics of stability and alerting ability.
When the seat of driving action moves to the front end of the two parallel central sills of this car, to draw the car people and hold a stroke bar, arm protracts, leg curvature, and people's the shank and the power of arm are in arm-to-arm at this moment.Along with moving behind the sliding seat, shank fully stretches synchronously, holds draws bar post-tensioning, waist layback, and people's the shank and the outburst of arm are made a concerted effort and can be brought into play greatly drawing between bar pulling amplitude of 120 degree.
Sliding seat made the sliding seat direct drive into by originally only playing driving action indirectly, made when moving behind this seat by the chain drive-belt device under the seat so directly to produce onward impulse.Former sliding seat is an indirect like this driving action, draw bar when motionless when holding, mobile significantly seat [12] before and after can only depending on, using waist power or leg strength to drive bicycle moves ahead (though hand does not have pulling action, but health is swung a stroke bar with moving forward and backward of seat [12], rotates thereby drive chain drum and drive flywheel by chain).This original sliding seat that plays driving action indirectly can not make shank power play one's part to the full, and the sliding seat actuating device after changing both can directly not play driving action alone by drawing bar, can produce with stroke lever linkage again and make a concerted effort, thereby each muscle of whole body is used alternately, overcome existing bicycle single movement, fatigable drawback.
Changing former stroke of pole length fixed type, to draw bar be that telescoping is drawn the bar variable force speed changing type of drawing pole length that can come as required at any time to stretch and drawn bar.It is laborsaving to draw bar length, if think that pick up speed does not change the length of drawing bar again and just must accelerate to spur to draw bar, and so easy fatigue, if but progressively shorten the length of drawing bar along with speeding up, the telescopic variable force of its sleeve pipe is drawn the function that bar then can play speed change.Fast when speed, draw bar in short-term, draw a bar push-and-pull amplitude and can reach 180 degree, make and draw a bar and draw thrust to be given full play to.
This car is owing to adopt the center shaft [7] that chain drum [6] are installed at the place, below, stage casing of two parallel central sills [1], telescopic stroke of bar of the two ends mounting sleeve of center shaft [7] [8]; One side of chain [10] had mercy on above the chain drum [6] and be installed in a flywheel [9] on the rear axle [13] above, oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, oppositely have mercy on back below another flywheel [9] on rear axle [13] the again structure of chain drum [6], so the chain disc system that rotation drives before and after having produced, doing one like this is can bring into play driving action for telescopic stroke of bar of push-and-pull sleeve pipe [8]; The 2nd, can adopt the convenient carrying of steamboat type.Design double-stranded disk drive device, two bars of drawing are played a role alone respectively, replacing push-and-pull during upward slope, to draw the bar effect best; And design strand disk drive device can alleviate car body weight.
Design-calculated telescopic stroke of bar of this bike with four wheels driven by rowing and sliding sleeve pipe [8] arm is the longest to be about three times of existing two wheel bicycle chain drum brachiums, and this is laborsaving naturally, quick.Sliding and driving seat slide then is to realize making drawing bar and strengthening the push-and-pull amplitude and have an effect continuously and increase the purpose of auxiliary force.Yet this car is laborsaving, the fast speed advantage must be walked on the stable basis in this garage and just can be given full play to, so this car employing is twin beams, four-wheel structure; This car vehicle body short and narrow (wide slightly shoulder to shoulder), center of gravity Gao Erwen, it is visual strong to advance on road.
This bike with four wheels driven by rowing and sliding and many people of four-wheel formula bicycle driven by rowing and sliding are the mode of motion of rowing the boat and the mode of motion perfect adaptation of bicycle, have improved the interest of cycle racing sports, draw the aesthetic feeling of unfolding that the coaster person therefrom can realize boating.Being desirable walking-replacing tool, is again light fitness equipment.In more and more stronger today of cry that world's energy shortage, environmental issue are given prominence to, the work rhythm of life is fast, people require to solve serious day by day inferior health problem, invention environmental protection, energy-conservation, laborsaving, sports, body-building, fast, bike with four wheels driven by rowing and sliding that the traction ability is strong, make people in " sitting bicycle " working and tourism way, just can obtain physical and mental exercise, save the time of special body-building.Particularly this car can be tempered people's arm and muscle of back group, and this is that two-wheeled cycle is too far behind to catch up.Preventing cervical spondylosis and waist disk are deviate from disease etc. so in advance, and particularly drawing this new competitive sport of coaster may become single, the double or collective's competitive sport meeting project of non-irrigated dragon boat formula that whole world people like, and its meaning is particularly outstanding.This car can be end-to-end and form many people and draw car, can become the new model of entertaining motion like this, can become the good mode of quick dragon dance again.
Description of drawings:
Fig. 1 is the first embodiment scheme drawing of bike with four wheels driven by rowing and sliding.
Central sill [1] front axle [2] stretcher [3] pipe link [4] front truck is inserted [5] chain drum [6] center shaft [7] telescopic stroke of bar of sleeve pipe [8] flywheel [9] chain [10] front axle connecting rod [11] seat [12] rear axle [13] guide wheel [14]
Fig. 2 is the second embodiment scheme drawing of bike with four wheels driven by rowing and sliding.Central sill [1] front axle [2] stretcher [3] pipe link [4] front truck is inserted [5] chain drum [6] center shaft [7] telescopic stroke of bar of sleeve pipe [8] flywheel [9] chain [10] front axle connecting rod [11] seat [12] rear axle [13] guide wheel [14]
The present invention is further described below in conjunction with accompanying drawing.
The specific embodiment:
As shown in Figure 1, adopt two parallel central sills [1], the front truck that the two front axles [2] of two-wheel fixedly are housed at two parallel central sills [1] front end is inserted [5], two-wheel rear axle [13] is equipped with in its rear end, and foot-operated steering hardware, telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device, sliding seat actuating device are housed respectively on two parallel central sills [1]:
Foot-operated steering hardware: front truck slotting [5] has upward, left and right three ends, its upper end is fixed with the front end of two parallel central sills [1], the left and right end portions that front truck is inserted [5] crossbeam connect with the left and right sides front axle [2] that front-wheel is housed respectively and with about two front axles [2] bonded assembly front axle connecting rods [11] parallel, go up installation pipe link [4] at two parallel central sills [1], pipe link [4] has left and right, following three ends, about hold and be connected with stretcher [3], the lower end is then inserted [5] top and front truck by front truck and is inserted [5] crossbeam middle part and be connected with the middle part of front axle connecting rod [11];
Telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device: the center shaft [7] of chain drum [6] is installed, telescopic stroke of bar of the two ends mounting sleeve of center shaft [7] [8] at the place, below, stage casing of two parallel central sills [1]; One side of chain [10] had mercy on above the chain drum [6] and be installed in a flywheel [9] on the rear axle [13] above, oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, the more reverse chain drum [6] of having mercy on back below another flywheel [9] on rear axle [13]; Telescopic stroke of bar of sleeve pipe [8] adorned by two pipe boxes and formed, and the internal diameter of one of them sleeve pipe and the external diameter of another sleeve pipe match, and draws the bar handle and pricks handle at the end dress of a sleeve pipe, and an end of another sleeve pipe carries out axle with the end of center shaft [7] and is connected.
Sliding seat actuating device: slidably seat [12] is installed on two parallel central sills [1], one end of chain [10] is fixed under the seat [12], the other end is had mercy on back above being installed in the anterior guide wheel of two parallel central sills [1], haves mercy on back above the flywheel [9] on being installed in rear axle [13] to connect with sliding seat [12] (pipe link under the seat is connected with the chain above having mercy on) or chain return wheel again.
Fix a two parallel pulley yoke under the seat, three location pulleys respectively are installed on the both sides of pulley yoke.Establish limited bolt on two parallel central sills [1], limited bolt is at a distance of about about one meter, and seat [12] can translation between two limited bolts.
As shown in Figure 2, adopt two parallel central sills [1], the front truck that the two front axles [2] of two-wheel fixedly are housed at two parallel central sills [1] front end is inserted [5], two-wheel rear axle [13] is equipped with in its rear end, at two parallel central sills [1] a foot-operated steering hardware and biconjugate stretcher [3], telescopic stroke of bar variable force of two sleeve pipe push-and-pull actuating device, two sliding seat actuating device is installed upward:
Foot-operated steering hardware: front truck slotting [5] has upward, left and right three ends, its upper end is fixed with the front end of two parallel central sills [1], the left and right end portions that front truck is inserted [5] crossbeam connect with the left and right sides front axle [2] that front-wheel is housed respectively and with about two front axles [2] bonded assembly front axle connecting rods [11] parallel, go up installation pipe link [4] at two parallel central sills [1], pipe link [4] has left and right, following three ends, about hold and be connected with stretcher [3], the lower end is then inserted [5] top and front truck by front truck and is inserted [5] crossbeam middle part and be connected with the middle part of front axle connecting rod [11]; Again at the fixing a pair of stretcher [3] of the middle-end of two parallel central sills [1].
Telescopic stroke of bar variable force of two sleeve pipes push-and-pull actuating device: the center shaft [7] that strand dish [6] are installed on two parallel central sills [1], the center shaft [7] of former and later two double-stranded dishes [6] is installed thereafter, the telescopic stroke of bar of the equal mounting sleeve in two ends [8] of preceding two center shafts [7], with a chain [10] strand dish [6] is connected with a preceding double-stranded chain drum that coils in [6], with second chain [10] the double-stranded chain drum that coils in [6] in another chain drum in the preceding double-stranded dish [6] and back is connected, article three, another chain drum in the rich double-stranded dish [6] later in one side of chain [10] and be installed in a flywheel [9] on the rear axle [13] above, and oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, two strands is coiled [6] after oppositely having mercy on back below another flywheel [9] on rear axle [13] again.Telescopic stroke of bar of sleeve pipe [8] adorned by two pipe boxes and formed, and the internal diameter of one of them sleeve pipe and the external diameter of another sleeve pipe match, and draws the bar handle and pricks handle at the end dress of a sleeve pipe, and an end of another sleeve pipe carries out axle with the end of center shaft [7] and is connected.
Two sliding seat actuating devices: on two parallel central sills [1], be equipped with two with chain bonded assembly seat [12] slidably, one end of another chain [10] is fixed under first seat [12], the other end is had mercy on back above being installed in the anterior guide wheel of two parallel central sills [1], haves mercy on back above the flywheel [9] on being installed in rear axle [13] to connect with second sliding seat [12] (pipe link under the seat is connected with the chain above having mercy on) or chain return wheel again.
Claims (2)
1, a kind of bike with four wheels driven by rowing and sliding, it is characterized in that: adopt two parallel central sills [1], the front truck that the two front axles [2] of two-wheel fixedly are housed at two parallel central sills [1] front end is inserted [5], two-wheel rear axle [13] is equipped with in its rear end, and foot-operated steering hardware, telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device, sliding seat actuating device are housed respectively on two parallel central sills [1]:
Foot-operated steering hardware: front truck slotting [5] has upward, left and right three ends, its upper end is fixed with the front end of two parallel central sills [1], the left and right end portions that front truck is inserted [5] crossbeam connect with the left and right sides front axle [2] that front-wheel is housed respectively and with about two front axles [2] bonded assembly front axle connecting rods [11] parallel, go up installation pipe link [4] at two parallel central sills [1], pipe link [4] has left and right, following three ends, about hold and be connected with stretcher [3], the lower end is then inserted [5] top and front truck by front truck and is inserted [5] crossbeam middle part and be connected with the middle part of front axle connecting rod [11];
Telescopic stroke of bar variable force of sleeve pipe push-and-pull actuating device: the center shaft [7] of chain drum [6] is installed, telescopic stroke of bar of the two ends mounting sleeve of center shaft [7] [8] at the place, below, stage casing of two parallel central sills [1]; One side of chain [10] had mercy on above the chain drum [6] and be installed in a flywheel [9] on the rear axle [13] above, oppositely have mercy on back above the introduction [14] on being installed in two parallel central sill [1] rear ends, more reverse wraparound chain drum [6] below another flywheel [9] on rear axle [13];
Sliding seat actuating device: slidably seat [12] is installed on two parallel central sills [1], one end of chain [10] is fixed under the seat [12], the other end is had mercy on back above being installed in the anterior guide wheel of two parallel central sills [1], and having mercy on back above the flywheel [9] on being installed in rear axle [13] is connected with sliding seat [12] again.
2,, it is characterized in that also can being provided with biconjugate stretcher [3], telescopic stroke of bar of biconjugate sleeve pipe [8], two sliding seats [12] according to bike with four wheels driven by rowing and sliding described in the claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200260607U CN2818294Y (en) | 2005-06-03 | 2005-06-03 | Four-wheel-rolling bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200260607U CN2818294Y (en) | 2005-06-03 | 2005-06-03 | Four-wheel-rolling bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818294Y true CN2818294Y (en) | 2006-09-20 |
Family
ID=37004345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200260607U Expired - Fee Related CN2818294Y (en) | 2005-06-03 | 2005-06-03 | Four-wheel-rolling bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818294Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284576A (en) * | 2017-07-14 | 2017-10-24 | 浙江大学常州工业技术研究院 | A kind of follow-on quadricycle |
-
2005
- 2005-06-03 CN CNU2005200260607U patent/CN2818294Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284576A (en) * | 2017-07-14 | 2017-10-24 | 浙江大学常州工业技术研究院 | A kind of follow-on quadricycle |
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| CF01 | Termination of patent right due to non-payment of annual fee |