CN101590891B - Swing spring type bicycle with different wheel diameters - Google Patents
Swing spring type bicycle with different wheel diameters Download PDFInfo
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- CN101590891B CN101590891B CN2009100317133A CN200910031713A CN101590891B CN 101590891 B CN101590891 B CN 101590891B CN 2009100317133 A CN2009100317133 A CN 2009100317133A CN 200910031713 A CN200910031713 A CN 200910031713A CN 101590891 B CN101590891 B CN 101590891B
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Abstract
The invention discloses a swing spring type bicycle with different wheel diameters, relates to a manually driven bicycle device, in particular to manually driven bicycle devices of a two-wheel bicycle and a three-wheel bicycle. The bicycle consists of a frame part, a saddle part, an operation part and a driven part; the frame part comprises a front support of a swing shaft, a back support of the swing shaft, an upper sloping beam, a lower sloping beam, a front fork sleeve, a left spring sleeve, a right spring sleeve, a rear shaft bracket, a central shaft sleeve and a saddle sleeve; the saddle part comprises the saddle and a shock absorber; the operation part comprises a handlebar, a front brake, a rear brake, a front fork and a front wheel; the driven part comprises a left swing rod, a right swing rod, a left foot pedal, a right foot pedal, a left chain, a right chain, a left flywheel, a right flywheel, a left spring, a right spring, a chain wheel, link chains and the flywheels; the rear shaft is arranged at the rear end of a rear shaft fork of the rear shaft bracket; the rear wheel is arranged on the rear shaft; the upper part of the rear wheel is provided with a rear mudguard; the left side of the rear shaft is provided with the rear brake, and the right side of the rear shaft is provided with the flywheels; and the chain wheel drives the flywheels through the link chains to drive the rear wheel so as to make the bicycle move.
Description
Technical field
Swing spring type bicycle with different wheel diameters of the present invention relates to is that a kind of manpower drives bicycle device, particularly two takes turns, the three-wheel manpower drives bicycle device.
Background technology
Existing manpower drive bicycle have two take turns, tricycle, all rely on both feet to make it to advance as circular movement downwards, be called ordinary bicycle.It is s=2 π r (r is the pedal radius of turn) that pedal turns back the distance of being passed by that circles along pin, and the merit of being done then is w=Fr (F is the component of power on the round tangential direction along pedal that pin is executed).As seen, the people is in ordinary bicycle is driven process, and most of power all is not utilized, and has only small part power (about 1/3) to make useful work.
Summary of the invention
The objective of the invention is at above-mentioned weak point, swing spring type bicycle with different wheel diameters is provided, be that the flat manpower of pedaling of a kind of double pendulum bar wig-wag spring formula rope-chain drive low-seat drives bicycle, this Che Nengneng increases useful work, reduces idle work, make full use of human body each side energy, realize the purpose of efficient high-speed.The present invention compares with the ordinary bicycle device: laborsaving when speed is identical, and speedup when the application of force is identical.
Swing spring type bicycle with different wheel diameters is to take following technical scheme to realize: swing spring type bicycle with different wheel diameters is made up of vehicle frame part, vehicle seat part, actuating element and drive part.
Vehicle frame partly comprises the preceding support of balance staff, balance staff back brace, goes up cant beam, lower inclined beam, front fork cover, left spring cover, right spring cover, rear axle support, bottom bracket axle and Saddle cover etc.; Last cant beam and lower inclined beam front end are equipped with the front fork cover, support and the balance staff back brace before being connected with balance staff on last cant beam top, support is connected with handlebar grip mutually with balance staff back brace upper end before the balance staff, bottom bracket axle is equipped with at the vehicle frame middle part, Saddle cover is equipped with on bottom bracket axle top, support front end and last cant beam, lower inclined beam Joint, the support rear end with support, the axis diagonal brace is connected, support upper end axis diagonal brace and Saddle cover Joint; Saddle cover links to each other with rear axle support by the back diagonal brace, and the rear axle support front end links to each other with bottom bracket axle, and the rear axle support rear end is provided with the back yoke.Left side spring cover overlaps the lower inclined beam and arranged on left and right sides that is fixed on vehicle frame respectively by the short support of support and spring before the spring with right spring.
Vehicle seat partly comprises vehicle seat and bumper etc., and vehicle seat links to each other with vehicle frame by the vehicle seat inserted link of its lower end, can adjust vehicle seat height up and down by regulating bolt, and vehicle seat is made up of seat cushions, backrest, vehicle seat inserted link.Bumper is equipped with in the seat cushions bottom, and the vehicle seat inserted link is equipped with in the bumper lower end.Bumper is made up of by bolted connection two leaf springs with cavity shapes plate.
Actuating element comprises handlebar, front brake, rear brake, front fork and front-wheel etc.; Front fork is contained in the anterior front fork cover of vehicle frame, and front-wheel is equipped with in the front fork bottom, and front fender apron is housed on the front-wheel, handlebar is contained in the vehicle frame front upper part front fork cover, and front fork is connected with handlebar by the front fork nut, and handlebar rotates and passes through front fork, make front-wheel rotate, and change the travel direction of bicycle.
Front brake is contained in the front fork front end, is used to the front-wheel of stopping, and rear brake is contained on the rear axle, is used to the trailing wheel of stopping, and brake is being contained in the handlebar left and right sides.
Drive part comprises that left fork, right fork, left foot are pedaled, right pedal, Zuo Shenglian, right rope chain, left flywheel, right flywheel, left spring, right spring, sprocket wheel, chain and flywheel.The fork axle is contained in the fork axle sleeve, left side fork is contained in fork axle left side, right fork is contained in fork axle right side, a left side fork and right fork bottom are equipped with respectively that left foot is pedaled, right pedal, left foot is pedaled and is connected with left side rope chain, right rope chain on axle, the right pedal axle respectively, Zuo Shenglian, right rope chain are connected with left spring, right spring by left flywheel, right flywheel respectively, and left spring, right spring are contained in respectively in left spring cover, the right spring housing, can adjust the spring tightness by setting nut.Axis is contained in the bottom bracket axle, and left flywheel is equipped with in the axis left side, and right flywheel is equipped with on the axis right side, and left flywheel, right flywheel are realized coplane respectively with left side rope chain, right rope chain and left spring, right spring, promptly in same plane.
Rear axle is contained in the rear axle that the rear axle support rear end is provided with and sticks, and trailing wheel is contained on the rear axle, and rear mudguard is equipped with on trailing wheel top, and the back brake is equipped with in the rear axle left side, and flywheel is equipped with on the rear axle right side, and sprocket wheel drives flywheel by chain, drives rear wheel movement, drives car load and advances.
Described rear axle and rear axle are stuck support are housed, and are used to support car load.
Described left side rope chain is to adopt the special-purpose hoop that connects to be connected by steel rope and roller chain with right rope chain, the portion of chain of Zuo Shenglian and right rope chain is meshed with left and right flywheel, the other end links with the spring that is contained in the spring housing, each one sealing messenger chain about constituting respectively.Left side flywheel, right flywheel are contained in the vehicle frame both sides of axis respectively, and overriding clutch is housed respectively in it, and be identical with the flywheel of ordinary bicycle, and it can only unidirectionally be turned round.Above sprocket wheel, be equipped with can before and after up-down adjustment, the band backrest the low level vehicle seat.Sprocket wheel drives flywheel by chain and realizes unidirectional rotation, and then advances by hind axle driving trailing wheel and front-wheel.
Described front-wheel and trailing wheel adopt the different wheel diameters design, and preceding wheel diameter is less than the back wheel diameter.
Principle of work: when a left side (or right) pin forward the application of force pedal when stepping on left foot and pedaling, pedal drives left flywheel by left side pendulum swing rod and is rotated in the forward, by axis sprocket wheel drive rear flywheel, trailing wheel are rotated in the forward, bicycle is travelled forward, when left foot is pedaled to the most preceding, spring in the left spring cover is pulled to maximum position, when left foot retreats, will automatically resets at spring force effect bottom left fork; When right crus of diaphragm forward the application of force pedal when stepping on right pedal, situation is similar.When both feet take turns to drive, conversion left and right sides pin, but travelling forward continuously of implement device then.
Above-mentioned rope chain drives and is first order transmission, and second stage chain-driving is then identical with ordinary bicycle.The speedup transmitting ratio i of two-stage transmission can be basic identical, and then overall gear ratio is 2i, is the twice of ordinary bicycle transmitting ratio, steps in identical pedaling that the speed of a motor vehicle can be enhanced about more than once under the frequency.
Principal feature of the present invention has:
1, adopt the secondary chain-driving of double pendulum bar-rope chain and sprocket-rear flywheel:
The driving of existing common two wheel bicycles, cyclo is that people's both feet are pedaled and stepped on pedal and as gyroscopic movement car is advanced, adopt the secondary chain drive mechanism of double pendulum swing rod, its gordian technique is the circular movement of pedal is changed into the movement in a curve that is bordering on straight line.The first order transmission left and right sides mutually noninterfere of double pendulum swing rod can drive simultaneously, but independent drive or double-legged driven again.
2, front and rear wheel adopts the different wheel diameters design, front-wheel is less than trailing wheel, the following problem of main consideration: (1) fork axle amplitude of fluctuation is bigger, when being swung forwards to end position, foot-operated can not colliding with front-wheel and front-wheel guard shield, (2) guarantee that simultaneously front fork axis angle of assembling meets national sector standard, make that handlebar turns to flexibly, safety.
3, adopt low level vehicle seat band backrest structure:
Present two take turns, the tricycle seat is above pedal, when the driver steps pedal downwards, applied force generally can not surpass the weight of self, but when riding racing car, need waist is stooped, scrunch downwards with pin, just can use bigger strength, according to this principle, the vehicle seat of apparatus of the present invention be contained in the contour substantially angular plane surface of pedal on, allow portrait half recumbency equally go forth to pedal and step on pedal near horizontal direction, lean against arcuate backrest simultaneously and can give full play to the application of force principle of human factor engineering, on pedal, need not exert oneself more like this, just can improve speed per hour more than 1 times, as shown in Figure 1.
4, adopt speed changing structure: sprocket wheel-rear flywheel adopts speed changing structure, divides some retainings to carry out speed change, and is with low-grade, very laborsaving when realizing beginning to drive with climbing; Motion is progressively changed top grade after getting up, and adds the effect of inertia under the high-speed motion state, and required propulsive effort is reduced.Low speed when promptly realizing beginning to start-approximate geometric ratio transmission with climbing; High speed during proper motion-big over-speed gear ratio transmission.
5, summary: the present invention takes turns with existing common two, tricycle is compared, and has the following advantages:
1) double pendulum swing rod transmission drive: make the harmful component in the Manpower driver significantly reduce, useful component significantly improves, and further improves driver's endurance and work doing efficiency again, has improved the kinematic velocity of system.
2) low level vehicle seat band backrest structure: make Manpower driver can bring into play the firmly function of organization of human body to greatest extent, reduce people's strength at repeated alternation, strengthen driver's traveling comfort, improve driver's endurance, make its easily drive system advance.
3) adopt speed changing structure: sprocket wheel-rear flywheel adopts outer speed change of cone pulley or rear axle internal speed-changing structure, divides some retainings to carry out speed change, and the low speed in the time of can realizing beginning to start with climbing-approximate geometric ratio transmission makes that required propulsive effort obviously reduces when starting, and is easy to start.
4) consider unit frame, selecting for use of light-duty plastic, the failure-free brake system, the stability that starting is stopped etc., can make two taking turns of adopting that inventor's force driving device makes, tricycle (hermetic type or open type) all can be used as people rides instead of walk, transportation, the vehicle, also can be used as physical culture, recreation and body-building instrument.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is the swing spring type bicycle with different wheel diameters front view.Main position, the annexation of expressing vehicle seat, actuating element and drive part comprises front-wheel 1, front axle 2, front fender apron 3, front fork 4, handlebar 5, fork axle 6, vehicle frame 7, right rope chain 8, vehicle seat 9, bumper 10, axis 11, trailing wheel 12, rear axle 13, flywheel 14, rear mudguard 15, support 16, right flywheel 17, left flywheel 18.
Fig. 2 is the swing spring type bicycle with different wheel diameters birds-eye view.Main position, the annexation of expressing drive part left and right sides transmission device comprises that left fork 19, left foot pedal 20, left spring 21, left side rope chain 22, right spring 23, left foot pedal 24, right fork 25, sprocket wheel 26, chain 27.
Fig. 3 is the vehicle frame scheme drawing of swing spring type bicycle with different wheel diameters.Main position, the annexation of expressing each parts of vehicle frame part comprises front fork cover 7-1, pendulum axle sleeve 7-2, balance staff back brace 7-3, goes up cant beam 7-4, support 7-5, Saddle cover 7-6, back diagonal brace 7-7, back yoke 7-8, rear axle support 7-9, bottom bracket axle 7-10, axis diagonal brace 7-11, supports support 7-18 before support 7-16, lower inclined beam 7-17 before 7-12, the short support of spring 7-13, left spring cover 7-14, right spring cover 7-15, the spring, the balance staff.
The specific embodiment
With reference to accompanying drawing 1～3, the embodiment of swing spring type bicycle with different wheel diameters of the present invention adopts the transmission of double pendulum bar swing spring homing position type rope chain secondary, the different wheel diameters that the little rear wheel of front vehicle wheel is big, the bicycle that the low bit strip backrest structure of vehicle seat employing is made for driving.
Swing spring type bicycle with different wheel diameters is made up of vehicle frame 7, vehicle seat 9, actuating element and drive part.
Saddle cover 7-6 links to each other with rear axle support 7-9 by back diagonal brace 7-7, and rear axle support 7-9 front end links to each other with bottom bracket axle 7-10, and rear axle support 7-9 rear end is provided with back yoke 7-8.Left side spring cover 7-14 and right spring cover 7-15 are fixed on the lower inclined beam 7-17 and arranged on left and right sides of vehicle frame 7 respectively by the short support of support 7-16 and spring 7-13 before the spring.
Actuating element comprises handlebar 5, front brake, rear brake, front fork 4 and front-wheel 1; Front fork 4 is contained in the vehicle frame 7 anterior front fork cover 7-1, front-wheel 1 is equipped with in front fork 4 bottoms, front fender apron 3 is housed on the front-wheel 1, handlebar 5 is contained in the vehicle frame 7 front upper part front forks cover 7-1, front fork 4 is connected with handlebar 5 by hanging bolt, handlebar 5 rotates by front fork 4, makes front-wheel rotate, and changes the travel direction of bicycle.
Front brake is contained in front fork 4 front ends, the front-wheel 1 that is used to stop, and rear brake is contained on the rear axle 13, the trailing wheel 12 that is used to stop, brake is being contained in handlebar 5 left and right sides.
Drive part comprises that left fork 19, right fork 25, left foot pedal 20, right pedal 24, left side rope chain 22, right rope chain 8, left flywheel 18, right flywheel 17, sprocket wheel, chain and flywheel 14.Fork axle 6 is contained in the fork axle sleeve 7-2, left side fork 15 is contained in fork axle 6 left sides, right fork 25 is contained in fork axle 6 right sides, left side fork 15 and right fork 25 bottoms are equipped with respectively that left foot pedals 20, right pedal 24, left foot is pedaled and is connected with left side rope chain 22, right rope chain 8 on axle, the right pedal axle respectively, left side rope chain 22, right rope chain 8 are connected with left spring 21, right spring 23 by left flywheel 18, right flywheel 17 respectively, left spring 21, right spring 23 are contained in respectively in left spring cover 7-14, the right spring housing 7-15, can realize adjusting the spring tightness by nut.Axis 11 is contained in the bottom bracket axle 7-10, left flywheel 7-18 is equipped with in axis 11 left sides, right flywheel 7-17 is equipped with on axis 11 right sides, and left flywheel 7-18, right flywheel 7-17 realize coplane respectively with left side rope chain 22, right rope chain 8 and left spring 21, right spring 23, promptly in same plane.
Rear axle 13 is contained on the back yoke 7-8 that rear axle support 7-9 rear end is provided with, trailing wheel 12 is contained on the rear axle 13, rear mudguard 15 is equipped with on trailing wheel 12 tops, the back brake is equipped with in rear axle 13 left sides, flywheel 14 is equipped with on rear axle 13 right sides, and sprocket wheel 26 is contained on the axis 11, drives flywheel 14 by chain 27, drive trailing wheel 12 motions, drive car load and advance.
On described rear axle 13 and the back yoke 7-8 support 16 is housed, is used to support car load.
Vehicle seat partly comprises vehicle seat 9 and bumper 10, and the vehicle seat inserted link is contained in the Saddle cover 7-6, and by the bolt adjustment up and down highly, vehicle seat 9 is made up of seat cushions, backrest, vehicle seat inserted link.The vehicle seat inserted link is contained in the Saddle cover 7-6, adjusts upper and lower height by bolt.Bumper 10 is equipped with in the seat cushions bottom, and the vehicle seat inserted link is equipped with in bumper 10 lower ends.Bumper 10 is made up of by bolted connection two springs with cavity shapes plate.Described vehicle seat 9 adopts the low level vehicle seat, the band backrest.
Described left side rope chain 22 is to adopt the special-purpose hoop that connects to be connected by steel rope and roller chain with right rope chain 8, the portion of chain of left side rope chain 22 and right rope chain 8 is meshed with left and right sides flywheel respectively, the other end links with the spring that is contained in the spring housing, each one sealing messenger chain about constituting respectively.Left side flywheel 7-18, right flywheel 7-17 are contained in vehicle frame 7 both sides of axis 11 respectively, and overriding clutch is housed respectively in it, and be identical with the flywheel of ordinary bicycle, and it can only be changeed Xiang rotation by Dan.Above sprocket wheel 26, be equipped with can before and after up-down adjustment, the band backrest the low level vehicle seat.Sprocket wheel 26 drives flywheel 14 by chain 27 and realizes unidirectional rotation, and then advances by hind axle driving trailing wheel and front-wheel.
Described front-wheel 1 adopts the different wheel diameters design with trailing wheel 12, and front-wheel 1 diameter is less than trailing wheel 12 diameters.
With reference to accompanying drawing 1～3, when left foot forward the application of force pedal when stepping on left foot and pedaling 20, left foot is pedaled 20 and is driven left side rope chains 22 by left fork 19 and drive the left flywheel 18 forward application of forces, power-transfer clutch is closed and sprocket wheel drive flywheel 14 is rotated in the forward it on, and device is travelled forward; Meanwhile, 24 corresponding motions backward of right pedal; When left foot pedals 20 when moving forward at the most preceding, 20 of right pedals move to rearmost point, the conversion pin is stepped on direction, be that right crus of diaphragm is pedaled forward and stepped on, right flywheel 17 is just changeing, and drives whole device and travels forward, and this moment, left flywheel 18 separated with sprocket wheel, left foot is pedaled 20 corresponding motions backward, finishes a working cycle until terminal point, so repeatedly travelling forward continuously of implement device.This replaces proal situation for left and right sides pin, and certainly, because the sealing of first order rope chain-driving left and right sides spring, so left and right sides pin is moved simultaneously backward or left and right sides pin independently moving separately forward, this just provides convenience for different crowd comprises disabled person's use.
Claims (9)
1. a swing spring type bicycle with different wheel diameters is characterized in that being made up of vehicle frame part, vehicle seat part, actuating element and drive part;
Vehicle frame partly comprises the preceding support of balance staff, balance staff back brace, goes up cant beam, lower inclined beam, front fork cover, left spring cover, right spring cover, rear axle support, bottom bracket axle and Saddle cover; Last cant beam and lower inclined beam front end are equipped with the front fork cover, support and the balance staff back brace before being connected with balance staff on last cant beam top, support is connected with handlebar grip mutually with balance staff back brace upper end before the balance staff, bottom bracket axle is equipped with at the vehicle frame middle part, Saddle cover is equipped with on bottom bracket axle top, support front end and last cant beam, lower inclined beam Joint, the support rear end with support, the axis diagonal brace is connected, support upper end axis diagonal brace and Saddle cover Joint; Saddle cover links to each other with rear axle support by the back diagonal brace, and the rear axle support front end links to each other with bottom bracket axle, and the rear axle support rear end is provided with the back yoke; Left side spring cover overlaps the lower inclined beam and arranged on left and right sides that is fixed on vehicle frame respectively by the short support of support and spring before the spring with right spring;
Vehicle seat partly comprises vehicle seat and bumper, vehicle seat links to each other with vehicle frame by the vehicle seat inserted link of its lower end, adjusts vehicle seat height up and down by regulating bolt, and vehicle seat is made up of seat cushions, backrest, vehicle seat inserted link, bumper is equipped with in the seat cushions bottom, and the vehicle seat inserted link is equipped with in the bumper lower end;
Actuating element comprises handlebar, front brake, rear brake, front fork and front-wheel; Front fork is contained in the anterior front fork cover of vehicle frame, and front-wheel is equipped with in the front fork bottom, and front fender apron is housed on the front-wheel, handlebar is contained in the vehicle frame front upper part front fork cover, and front fork is connected with handlebar by the front fork nut, and handlebar rotates and passes through front fork, make front-wheel rotate, and change the travel direction of bicycle;
Drive part comprises that left fork, right fork, left foot are pedaled, right pedal, Zuo Shenglian, right rope chain, left flywheel, right flywheel, left spring, right spring, sprocket wheel, chain and flywheel; The fork axle is contained in the fork axle sleeve, left side fork is contained in fork axle left side, right fork is contained in fork axle right side, a left side fork and right fork bottom are equipped with respectively that left foot is pedaled, right pedal, left foot is pedaled and is connected with left side rope chain, right rope chain on axle, the right pedal axle respectively, Zuo Shenglian, right rope chain are connected with left spring, right spring by left flywheel, right flywheel respectively, and left spring, right spring are contained in respectively in left spring cover, the right spring housing, adjust the spring tightness by setting nut; Axis is contained in the bottom bracket axle, and left flywheel is equipped with in the axis left side, and right flywheel is equipped with on the axis right side;
Rear axle is contained in the rear axle that the rear axle support rear end is provided with and sticks, and trailing wheel is contained on the rear axle, and rear mudguard is equipped with on trailing wheel top, and the back brake is equipped with in the rear axle left side, and flywheel is equipped with on the rear axle right side, and sprocket wheel drives flywheel by chain, drives rear wheel movement, drives car load and advances.
2. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described front brake is contained in the front fork front end, is used to the front-wheel of stopping, and rear brake is contained on the rear axle, is used to the trailing wheel of stopping, and brake is being contained in the handlebar left and right sides.
3. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described left flywheel, right flywheel and left side rope chain, right rope chain and left spring, right spring realize coplane respectively, promptly in same plane.
4. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described rear axle and rear axle are stuck support is housed, and is used to support car load.
5. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described bumper is made up of by bolted connection two leaf springs with cavity shapes plate.
6. swing spring type bicycle with different wheel diameters according to claim 1, it is characterized in that described left side rope chain and right rope chain are to connect hoop by steel rope and roller chain employing to be connected, the portion of chain of Zuo Shenglian and right rope chain is meshed with left and right flywheel, the other end links with the spring that is contained in the spring housing, each one sealing messenger chain about constituting respectively.
7. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described left flywheel, right flywheel are contained in the vehicle frame both sides of axis respectively, are equipped with overriding clutch respectively in it.
8. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described front-wheel and trailing wheel adopt the different wheel diameters design, and preceding wheel diameter is less than the back wheel diameter.
9. swing spring type bicycle with different wheel diameters according to claim 1 is characterized in that described vehicle seat adopts the low level vehicle seat, the band backrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100317133A CN101590891B (en) | 2009-07-10 | 2009-07-10 | Swing spring type bicycle with different wheel diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100317133A CN101590891B (en) | 2009-07-10 | 2009-07-10 | Swing spring type bicycle with different wheel diameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101590891A CN101590891A (en) | 2009-12-02 |
| CN101590891B true CN101590891B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100317133A Expired - Fee Related CN101590891B (en) | 2009-07-10 | 2009-07-10 | Swing spring type bicycle with different wheel diameters |
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| CN (1) | CN101590891B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201235900Y (en) * | 2008-04-18 | 2009-05-13 | 农豪实业股份有限公司 | Actuating unit of bicycle and bicycle employing the actuating unit |
| CN201254248Y (en) * | 2008-07-10 | 2009-06-10 | 郝明文 | Trample type bicycle |
| CN201427633Y (en) * | 2009-07-10 | 2010-03-24 | 南京工程学院 | Unequal wheel-diameter swing-spring bicycle |
-
2009
- 2009-07-10 CN CN2009100317133A patent/CN101590891B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201235900Y (en) * | 2008-04-18 | 2009-05-13 | 农豪实业股份有限公司 | Actuating unit of bicycle and bicycle employing the actuating unit |
| CN201254248Y (en) * | 2008-07-10 | 2009-06-10 | 郝明文 | Trample type bicycle |
| CN201427633Y (en) * | 2009-07-10 | 2010-03-24 | 南京工程学院 | Unequal wheel-diameter swing-spring bicycle |
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| Publication number | Publication date |
|---|---|
| CN101590891A (en) | 2009-12-02 |
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Granted publication date: 20101201 Termination date: 20110710 |