CN104787214B - Many force lever double-driving bicycles - Google Patents
Many force lever double-driving bicycles Download PDFInfo
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- CN104787214B CN104787214B CN201510186364.8A CN201510186364A CN104787214B CN 104787214 B CN104787214 B CN 104787214B CN 201510186364 A CN201510186364 A CN 201510186364A CN 104787214 B CN104787214 B CN 104787214B
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- lever
- stressed member
- wheel
- crankshaft
- body support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Present invention is disclosed a kind of many force lever double-driving bicycles, including front-wheel, trailing wheel and body support, and also include the lever drive device that is supported by body support for a pair, conversioning wheel group is additionally provided between this pair of lever drive device and trailing wheel；This pair of lever drive device includes lever assembly, stressed member, excessively crankshaft group, stop component, stressed member extension spring and lever assembly extension spring respectively.The bicycle structure of the present invention is novel, and rider is down exerted a force from lever length end, it is not necessary to moved in a circle, and frequency is stepped in reduction, saves muscle power, improves efficiency, and mode of riding is unique；Lever assembly is laborsaving lever, is Multi-contact also between stressed member, laborsaving while, it is ensured that the stroke that rider foot tramples is shorter；Dual drive, driving force is strong, and Effec-tive Function can be achieved.
Description
Technical field
The present invention relates to a kind of bicycle, more particularly to a kind of many force lever double-driving bicycles.
Background technology
Bicycle, also known as bicycle or bicycle, are a kind of wheeled vehicles of rider driving, can replace walking, and very
Environmental protection, will not be polluted to environment, met the theory of the low-carbon environment-friendly in modern times, be to achieve many things at one stroke while can also take exercises
Preferable walking-replacing tool.
But, current bicycle is in fact or a kind of inefficient, expends the larger vehicles of physical efficiency, and we are with certainly
Driving trip, play, consume larger physical efficiency, it is impossible to reach farther destination, it is tired after be even more to influence us to go on a journey
Excitement.Therefore, it is necessary to provide a kind of more efficient labour-saving bicycle.
The content of the invention
It is an object of the invention to for drawbacks described above of the prior art there is provided a kind of structure is novel, high-effective and labour-saving
Many force lever double-driving bicycles.
For achieving the above object, present invention employs following technical scheme：A kind of many force lever dual drive are certainly
Driving, including front-wheel, trailing wheel and body support, in addition to a pair of lever drive devices supported by body support, in this pair
Conversioning wheel group is additionally provided between lever drive device and trailing wheel；
This pair of lever drive device includes lever assembly, stressed member, excessively crankshaft group, stop component, stressed member respectively
Extension spring and lever assembly extension spring, wherein,
Lever assembly is movably suspended on body support, and wherein one end exerts a force for rider, and the other end can be with stress
Part Multi-contact, the lever assembly is conducted the power of rider to stressed member using lever principle；
The lower end of stressed member is in contact with lever assembly, and upper end is connected with each other with crankshaft group, and the stressed member can be by lever
The power of component is conducted to crankshaft group；
Crankshaft group includes bent axle, connects the bent axle and the crankshaft-link rod of stressed member and the song with bent axle interconnection
Shaft gear, crankshaft-link rod can promote bent axle, and cause crankshaft toothed wheel to rotate motion；
Stop component is crossed to be connected with each other with bent axle and body support respectively, for make crankshaft toothed wheel by top dead centre and it is lower only
Point；
Stressed member extension spring connects stressed member and body support, for resetting stressed member；
Lever assembly extension spring connects lever assembly and body support, for resetting lever assembly；
Conversioning wheel group is connected with each other by changing chain with crankshaft toothed wheel, is connected with each other by driving chain and trailing wheel, should
Conversioning wheel group can conduct the revolving force of crankshaft toothed wheel to trailing wheel.
In addition, the present invention also provides following attached technical scheme：
The lever assembly includes lever, the pedal positioned at lever wherein one end, exerted oneself positioned at the multiple of the lever other end
Part, the fulcrum between pedal and multiple firmly parts extend upper pendant, wherein, lever extends upper pendant and vehicle body by fulcrum
Support is connected with each other, and extends the tie point of upper pendant and body support as strong point generation lever motion using the fulcrum；Pedal
For for rider force；It is multiple firmly parts include parallel arrangement and height not wait first firmly part, second exert oneself part and
3rd firmly part, it is the plurality of firmly part height be below fulcrum extend upper pendant height.
Described first exerts oneself, and firmly part and the 3rd top ends for exerting oneself part are mounted on rolling bearing for part, second.
The upper end of the stressed member is in plane, and the crankshaft-link rod is obliquely connected to the upper end of stressed member；The stress
The lower end of part be provided with respectively with described first firmly part, second firmly part and the 3rd firmly corresponding the first depressed part of part,
Second depressed part and the 3rd depressed part；The two sides of the stressed member are installed with pulley, in body support correspondence
In being provided with chute on the position of pulley, pulley can be slided in chute.
It is described cross stop component include support frame, cross stop depression bar, Return spring, inertial guide hammer, cross lower dead center extension spring,
And gravity drop hammer, wherein, support frame is fixedly installed on the body support；Stop depression bar is crossed tortuous, by support frame branch
Support, its one end is movably disposed on body support, and the other end is connected with each other with Return spring and inertial guide hammer；Pull back bullet
The two ends of spring are connected with each other with crossing stop depression bar and support frame respectively；Cross the two ends of lower dead center extension spring respectively with cross stop depression bar and
The bent axle is connected with each other；Gravity drop hammer is fixedly installed on the bent axle or the crankshaft toothed wheel.
The conversioning wheel group includes two conversion flywheels and a conversion gear, and two conversion flywheels are by changing chain
It is connected with each other with the crankshaft toothed wheel, the conversion gear is connected with each other by driving chain and the trailing wheel.
Compared to prior art, advantage of the invention is that：The drive device of the bicycle of the present invention is a pair of levers
Drive device, this pair of lever drive device includes lever assembly, stressed member, crankshaft group, stop component, stressed member excessively and drawn
Spring and lever assembly extension spring, rider vertically trample lever assembly, lever assembly and stressed member Multi-contact, and
Power is conducted to stressed member, stressed member stress pusher dynamic crankshaft component using lever principle, crankshaft group can be by vertical direction
Power is converted to revolving force, then drives trailing wheel by conversioning wheel group, and bicycle starts to advance.It follows that the present invention is voluntarily
Bassinet structure is novel, and rider is down exerted a force from lever length end, it is not necessary to moved in a circle, and frequency is stepped in reduction, saves muscle power, improves effect
Rate, mode of riding is unique；Lever assembly is laborsaving lever, is Multi-contact also between stressed member, laborsaving while, it is ensured that
The stroke that rider foot tramples is shorter；Dual drive, driving force is strong, and Effec-tive Function can be achieved.
Brief description of the drawings
Fig. 1 is the structural representation of many force lever double-driving bicycles of the present invention.
Fig. 2 is the enlarged diagram of the stressed member of many force lever double-driving bicycles of the present invention.
Fig. 3 is the schematic diagram of the lever drive device of many force lever double-driving bicycles of the present invention.
Fig. 4 is the top view of the one of lever drive device of many force lever double-driving bicycles of the present invention.
Reference：Flying wheel after 1- front-wheels, 2- trailing wheels, 2a-, 3- body supports, 6- stressed members, 7- stressed member extension springs,
8- lever assembly extension springs, 10- levers, 11- pedals, 12- first exert oneself part, 13- second exert oneself part, 14- the 3rd exert oneself part, 15-
Fulcrum extension upper pendant, the depressed parts of 20- first, the depressed parts of 21- second, the depressed parts of 22- the 3rd, 30- bent axles, 31- crankshaft-link rods,
32- crankshaft toothed wheels, 40- support frames, 41- crosses stop depression bar, and 42- Return springs, 43- inertial guides hammer, 44- crosses lower dead center drawing
Spring, 45- gravity drop hammers, 50- conversion flywheels, 51- conversion gears, 52- conversion chains, 53- driving chains, 60- pulleys, 61- chutes.
Embodiment
Technical solution of the present invention is further non-limitingly described in detail below in conjunction with preferred embodiment and its accompanying drawing.
With reference to Fig. 1 to Fig. 4, many force lever double-driving bicycles of the invention mainly include front-wheel 1, trailing wheel 2, vehicle body
Support 3, two lever drive devices and conversioning wheel group, in addition to the ordinary bicycle such as cushion, handle-bar, brake
Basic building block, wherein, flying wheel 2a after one is provided with the wheel shaft of trailing wheel 2；Body support 3 connects front-wheel 1 and trailing wheel 2,
And the rear of trailing wheel 2 is extended to, two lever drive device point left and right sides are fixedly mounted on body support 3, and are to be located at
The rear of trailing wheel 2, therefore, body support 3 are designed to longer, front and rear wheel base lengthening, it is ensured that installing two levers driving dresses
Postpone, balance can be integrally kept after Chinese herbaceous peony；Two lever drive devices include lever assembly, stressed member 6, crankshaft group,
Cross stop component, stressed member extension spring 8 and lever assembly extension spring 9；Conversioning wheel group by chain respectively with crankshaft group and trailing wheel
3 are connected with each other.Rider provides original power, and two lever drive devices driving conversioning wheel group under rider force occurs
Rotary motion, conversioning wheel group drives trailing wheel 2 again, and bicycle starts to advance.
Lever assembly is movably suspended on body support 3, and wherein one end exerts a force for rider, the other end and stressed member
6 are in contact, and the lever assembly is conducted the power of rider to stressed member 6 using lever principle.Specifically, lever assembly includes thick stick
Bar 10, the pedal 11 positioned at the wherein one end of lever 10, positioned at the other end of lever 10 first firmly part 12, second exert oneself the and of part 13
3rd firmly part 14 and the fulcrum positioned at the middle part of lever 10 extend upper pendant 15, wherein, pedal 11 is used to apply for rider
Power；First firmly part 12, second exert oneself part 13 and the 3rd exert oneself part 14 successively parallel arrangement and height, from high to low according to
It is secondary be the 3rd firmly the part 12, second of exerting oneself of part 14, first exert oneself part 13, still, the height of above-mentioned firmly part is below fulcrum and prolonged
The height of long upper pendant 15；Lever 10 extends upper pendant 15 by fulcrum and is connected with each other with body support 3, and is extended with the fulcrum
The tie point of upper pendant 15 and body support 3 is strong point generation lever motion, and fulcrum extension upper pendant 15 closer first is used
Power part 12.First firmly part 12, second exert oneself part 13 and the 3rd exert oneself part 14 top ends be mounted on rolling bearing, when with by
When power part 6 contacts with each other, with the formation rolling friction of stressed member 6, frictional force can be reduced.
The upper end of stressed member 6 is in plane, and lower end is provided with the first depressed part 20, the second depressed part 21 in arc shape
With the 3rd depressed part 22, first depressed part 20, the second depressed part 21 and the 3rd depressed part 22 respectively with the first firmly part 12, the
Two exert oneself, and firmly part 14 is mutually corresponding for part 13 and the 3rd, mutually right for negative and positive each other, i.e., the convex surface of above-mentioned multiple firmly parts
The concave surface of stressed member 6 is corresponded to respectively.When regulations and parameters component remains static, first firmly part 12 and the first depressed part 20 it is mutual
Contact；Second exerts oneself maintains space between the depressed part 21 of part 13 and second, is not in contact；3rd exerts oneself part 14 in stressed member 6
End, space is maintained between the 3rd depressed part 22, is not in contact.The two sides of stressed member 6 are also installed with cunning
Wheel 60, and correspond in body support 3 on the position of pulley 60 and be provided with chute 61, pulley 60 can be slided in chute 61, be had
Beneficial to the stabilization in the movement and moving process of stressed member 6.
Lever assembly remain static or just starting state when, pedal 11 be power point, first firmly part 12 for resistance
Force, fulcrum extension upper pendant 15 is fulcrum；When pedal 11 is constantly moved down, and stressed member 6 is constantly up moved, first uses
Power part 12 departs from stressed member 6, second firmly part 13 contacted with each other with stressed member 6, second firmly part 13 as resistance point；Pedal
11 continue to move down, and stressed member 6 continues up to move, second firmly part 13 depart from stressed member 6, the 3rd firmly part 14 and by
Power part 6 contacts with each other, and the 3rd exerts oneself part 14 as resistance point.First when firmly part 12 is resistance point, and required power is minimum, still
Pedal 11 moves down amplitude maximum, and it is minimum that stressed member 6 moves up amplitude；Second firmly part 13 be resistance point when, pedal 11 moves down amplitude
Moderate, it is moderate that stressed member 6 moves up amplitude；3rd when firmly part 14 is resistance point, and it is minimum that pedal 11 moves down amplitude, on stressed member 6
Shifting amplitude is maximum；Because when first firmly part 12 is resistance point, bicycle completes to start work, so as to be provided with the used of advance
Property power, therefore second firmly part 13 and the 3rd exert oneself part 14 be resistance point when, required power is also smaller.For entirety, lever
Multi-contact between component and stressed member 6, is conducive to rider laborsaving, improves operational efficiency.
Crankshaft group includes bent axle 30, crankshaft-link rod 31 and crankshaft toothed wheel 32, wherein, the central point of bent axle 30 is perpendicular to the
Two firmly part 13；Wherein one end of crankshaft-link rod 31 is connected with each other with bent axle 30, and the other end is connected to the upper end of stressed member 6 and shape
Bevel, and link position of the crankshaft-link rod 31 on stressed member 6 is above first firmly part 12.Crankshaft-link rod 31 is designed
Stressed member 6 is conducive to promote bent axle 30 into inclination, when 6 vertical stress of stressed member, crankshaft-link rod 31 obtains oblique because of inclination
Active force, makes vertical crank rotation；Crankshaft toothed wheel 32 is arranged on bent axle 30.When stressed member 6 pushes up crankshaft-link rod 31
When, crankshaft-link rod 31 promotes bent axle 31 stress of bent axle 31 is done work again, then promotes crankshaft toothed wheel 32 to rotate motion.
Crossing stop component includes support frame 40, excessively stop depression bar 41, Return spring 42, excessively inertial guide hammer 43, lower dead center
Extension spring 44 and gravity drop hammer 45.Specifically, support frame 40 is fixedly installed on body support 3；Stop depression bar 41 is crossed in complications
Shape, is supported by support frame 40, and its one end is movably disposed on body support 3, the other end and Return spring 42 and is used to
Property guiding hammer 43 be connected with each other, crossing stop depression bar 41 can be moved under the pulling force of Return spring 42 and inertial guide hammer 43；
The two ends of Return spring 42 are connected with each other with crossing stop depression bar 41 and support frame 40 respectively；Cross the two ends difference of lower dead center extension spring 44
It is connected with each other with crossing stop depression bar 41 and bent axle 30；Gravity drop hammer 45 is fixedly installed on bent axle 30 or crankshaft toothed wheel 32.
Return spring 42 touched stop depression bar 41 and stress is upheld when bent axle 30 is rotated, when in the arrival of bent axle 30 only
During point, Return spring 42 was pulled back stop depression bar 41, is crossed stop depression bar 41 and is promoted bent axle 30 to cross top dead centre, remain in operation, is used to
Property guiding hammer 43 can improve the pulling force of stop depression bar 41.When bent axle 30 is located at lower solstice, crosses lower dead center extension spring 44 and pull song
Axle 30, and under the collective effect of gravity drop hammer 45 so that bent axle 30 passes through lower dead center.Gravity drop hammer 45 is arranged on bent axle 30 or bent axle
On gear 32, when declining, the rotary speed of crankshaft toothed wheel 32 can be improved, contributes to bent axle 30 by lower dead center.
Stressed member extension spring 7 connects stressed member 6 and body support 3, answers it when it is without active force side for stressed member 6
Position.
Lever assembly extension spring 8 connects lever 10 and body support 3, and for resetting lever 10, lever assembly extension spring 8 is in thick stick
Tie point on bar 10 is located between pedal 11 and fulcrum extension upper pendant 15.
Because the quantity of lever drive device is two, and the left and right sides at vehicle body rear is respectively arranged in, therefore, turned
Changing wheel group includes two conversion flywheels 50 and a conversion gear 51, and two conversion flywheels 50 and a conversion gear 51 are mutual
Coaxially.Crankshaft toothed wheel 32 of two conversion flywheels 50 by two conversion chains 52 respectively with the left and right sides is connected with each other, conversion
Gear 51 is connected with each other by the rear flying wheel 2a on a driving chain 53 and trailing wheel 2.Therefore, the conversioning wheel group can be by bent axle
The revolving force of gear 32 is conducted to trailing wheel 2.51 groups of flying wheel 2a, crankshaft toothed wheel 32, two conversion flywheels 50 and conversion gear afterwards
Into many step cone groups, and the number of teeth is different, to obtain different gear ratios, output wheel is obtained different driving force and rotating speed,
To adapt to the road speed of different road conditions.
During work, the downward pushes pedals 11 of rider, by lever principle, first firmly part 12, second exert oneself part 13 and the
Three firmly the upward top pressure stressed member 6 of part 14；The stress of stressed member 6 is up, and the crankshaft-link rod 31 of connection stressed member 6 promotes 30 turns of bent axle
Dynamic, the crankshaft toothed wheel 32 being fixed on bent axle 30 is rotated with the rotation of bent axle 30, and crossing stop component ensures bent axle 30 and song
Shaft gear 32 passes through top dead centre and lower to point；The crankshaft toothed wheel 32 of rotation drives conversion flywheel by two conversion chains 52
50 and conversion gear 51 rotate, flying wheel 2a rotates after being driven further through driving chain 53, because rear flying wheel 2a is with after
Wheel 2 is coaxial, therefore trailing wheel 2 is rotated, and obtains thrust, finally bicycle is advanced；Stressed member 6 and lever assembly also by
Resetted in the presence of power part extension spring 7 and lever assembly extension spring 8, so that the acting that stroke goes round and begins again, it is ensured that before bicycle continues
Enter.
Many sticking point lever double-driving bicycles of the present embodiment is install the case study on implementation of two wheels, in the present invention
Can also there is the scheme of many wheels such as three-wheel or four-wheel in interest field.
In summary, bicycle structure of the invention is novel, and rider is down exerted a force from lever length end, it is not necessary to do circumference
Frequency is stepped in motion, reduction, saves muscle power, improves efficiency, and mode of riding is unique；Lever assembly be laborsaving lever, also and stressed member it
Between be Multi-contact, laborsaving while, it is ensured that the stroke that rider foot tramples is shorter；Dual drive, driving force is strong, can be achieved
Effec-tive Function.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Person skilled in the art can understand present disclosure and implement according to this, the protection of the present invention can not be limited with this
Scope.Any equivalent change or modification in accordance with the spirit of the invention, should all be included within the scope of the present invention.
Claims (5)
1. a kind of many force lever double-driving bicycles, including front-wheel, trailing wheel and body support, it is characterised in that it is described from
Driving also includes a pair of lever drive devices supported by body support, between this pair of lever drive device and trailing wheel also
It is provided with conversioning wheel group；
This pair of lever drive device include respectively lever assembly, stressed member, crankshaft group, cross stop component, stressed member extension spring,
And lever assembly extension spring, wherein,
Lever assembly is movably suspended on body support, and it includes lever, the pedal positioned at lever wherein one end, positioned at thick stick
Multiple firmly parts of the bar other end, the fulcrum between pedal and multiple firmly parts extend upper pendant, and lever is prolonged by fulcrum
Long upper pendant is connected with each other with body support, and the tie point for extending upper pendant and body support using the fulcrum occurs as the strong point
Lever motion, pedal be used for for rider force, it is multiple firmly parts include parallel arrangement and height not wait first exert oneself part,
Second firmly part and the 3rd firmly part, it is the plurality of firmly part height be below fulcrum extend upper pendant height；
The lower end of stressed member is in contact with multiple firmly parts, and upper end is connected with each other with crankshaft group, and the stressed member can be by lever group
The power of part is conducted to crankshaft group；
Crankshaft group includes bent axle, connects the bent axle and the crankshaft-link rod of stressed member and the crank teeth with bent axle interconnection
Wheel, crankshaft-link rod can promote bent axle, and cause crankshaft toothed wheel to rotate motion；
Cross stop component to be connected with each other with bent axle and body support respectively, for making crankshaft toothed wheel pass through top dead centre and lower dead center；
Stressed member extension spring connects stressed member and body support, for resetting stressed member；
Lever assembly extension spring connects lever assembly and body support, for resetting lever assembly；
Conversioning wheel group is connected with each other by changing chain with crankshaft toothed wheel, is connected with each other by driving chain and trailing wheel, the conversion
Wheel group can conduct the revolving force of crankshaft toothed wheel to trailing wheel.
2. many force lever double-driving bicycles according to claim 1, it is characterised in that described first firmly part,
Second firmly part and the 3rd firmly the top ends of part be mounted on rolling bearing.
3. many force lever double-driving bicycles according to claim 1, it is characterised in that the upper end of the stressed member
In plane, the crankshaft-link rod is obliquely connected to the upper end of stressed member；
The lower end of the stressed member be provided with respectively with described first firmly part, second firmly part and the 3rd firmly part it is corresponding
First depressed part, the second depressed part and the 3rd depressed part；
The two sides of the stressed member are installed with pulley, correspond in the body support and are provided with the position of pulley
Chute, pulley can be slided in chute.
4. many force lever double-driving bicycles according to claim 1, it is characterised in that described to cross stop component bag
Support frame, excessively stop depression bar, Return spring, excessively inertial guide hammer, lower dead center extension spring and gravity drop hammer are included, wherein,
Support frame is fixedly installed on the body support；
Cross stop depression bar tortuous, supported by support frame, its one end is movably disposed on body support, the other end is with returning
Spring and inertial guide hammer is drawn to be connected with each other；
The two ends of Return spring are connected with each other with crossing stop depression bar and support frame respectively；
The two ends for crossing lower dead center extension spring are connected with each other with crossing stop depression bar and the bent axle respectively；
Gravity drop hammer is fixedly installed on the bent axle or the crankshaft toothed wheel.
5. many force lever double-driving bicycles according to claim 1, it is characterised in that the conversioning wheel group includes
Two conversion flywheels and a conversion gear, two conversion flywheels are connected with each other by changing chain with the crankshaft toothed wheel,
The conversion gear is connected with each other by driving chain and the trailing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186364.8A CN104787214B (en) | 2015-04-17 | 2015-04-17 | Many force lever double-driving bicycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186364.8A CN104787214B (en) | 2015-04-17 | 2015-04-17 | Many force lever double-driving bicycles |
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| Publication Number | Publication Date |
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| CN104787214A CN104787214A (en) | 2015-07-22 |
| CN104787214B true CN104787214B (en) | 2017-10-10 |
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| CN201510186364.8A Expired - Fee Related CN104787214B (en) | 2015-04-17 | 2015-04-17 | Many force lever double-driving bicycles |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109131718A (en) * | 2018-10-20 | 2019-01-04 | 王富云 | Lever dial type Chainless bicycle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448693Y (en) * | 2000-11-13 | 2001-09-19 | 杨鹏书 | Rear gearing lever type bicycle |
| CN2811147Y (en) * | 2005-06-29 | 2006-08-30 | 张永吉 | Transmission device for manpower vehicle |
| CN201457684U (en) * | 2009-04-28 | 2010-05-12 | 赵洪仁 | Pedal four-bar driving mechanism |
| EP2520483A1 (en) * | 2011-05-04 | 2012-11-07 | Antonios Mastrokalos | Hydraulic bicycle |
| CN204548378U (en) * | 2015-04-17 | 2015-08-12 | 粟永快 | Many forces lever double driving bicycle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068935U (en) * | 1990-05-03 | 1991-01-09 | 王化伟 | Bicycle with back rest |
| KR20130085465A (en) * | 2011-12-02 | 2013-07-30 | 김완진 | Leg and arm powered bicycle with automatic transmission |
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2015
- 2015-04-17 CN CN201510186364.8A patent/CN104787214B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448693Y (en) * | 2000-11-13 | 2001-09-19 | 杨鹏书 | Rear gearing lever type bicycle |
| CN2811147Y (en) * | 2005-06-29 | 2006-08-30 | 张永吉 | Transmission device for manpower vehicle |
| CN201457684U (en) * | 2009-04-28 | 2010-05-12 | 赵洪仁 | Pedal four-bar driving mechanism |
| EP2520483A1 (en) * | 2011-05-04 | 2012-11-07 | Antonios Mastrokalos | Hydraulic bicycle |
| CN204548378U (en) * | 2015-04-17 | 2015-08-12 | 粟永快 | Many forces lever double driving bicycle |
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| CN104787214A (en) | 2015-07-22 |
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