CN206202531U - Bicycle with double transmission systems and adjustable transmission state - Google Patents
Bicycle with double transmission systems and adjustable transmission state Download PDFInfo
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- CN206202531U CN206202531U CN201621145779.7U CN201621145779U CN206202531U CN 206202531 U CN206202531 U CN 206202531U CN 201621145779 U CN201621145779 U CN 201621145779U CN 206202531 U CN206202531 U CN 206202531U
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- toothed chain
- chain disk
- transmission system
- disk
- drive state
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000000594 atomic force spectroscopy Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a double-transmission system bicycle with adjustable transmission state, a left and a right rear sprocket disks which rotate coaxially are arranged on a rotating shaft of a rear wheel; two front toothed chain plates, including a left front toothed chain plate and a right front toothed chain plate, which are respectively connected with the left rear toothed chain plate and the right rear toothed chain plate by means of a chain to form a left transmission system and a right transmission system; and an adjusting device, which is selectively arranged in one of the left or right transmission systems and comprises an operating button arranged on a direction handle of the frame for the operation of a user; a speed changer is arranged on the rotating shaft of the rear wheel and used for enabling the transmission system provided with the adjusting device to be adjusted from the highest driving force to the lowest driving force; a control wire is connected between the operating button and the speed changer; therefore, a user can change the chain connection of the transmission system by operating the adjusting device, and select a double-transmission state which is labor-saving and body-building or a single-transmission state which is labor-saving and time-saving.
Description
Technical field
The utility model is related to a kind of double driving system of adjustable drive state (twin-driving system) to ride
Car, espespecially a kind of arranged on left and right sides in bicycle respectively sets a transmission system, makes the left and right pedal of bicycle can be with when stepping
By an adjusting apparatus rear wheel is driven together or led by one of them transmission system to select to change two transmission system
Strategic point drives rear wheel.
Background technology
A kind of bicycle of existing double driving system (twin-driving system), it ties up to vehicle body both sides and respectively carries
One symmetrical identical transmission system, and the exportable identical transmission power when treadling, so that bicycle is needed in riding
The strength paid plus multiply, adds promotion body-building efficacy, it also requires paying more times, therefore is not easily susceptible to logical
It is diligent it is time saving for the purpose of consumer favor, and use pattern is single and more dull.
Utility model content
In view of this, it is to provide a kind of foregoing tool pair that can effectively solve to be driven that main purpose of the present utility model is
The shortcoming of system (twin-driving system) bicycle, it is to allow the left and right pedal of bicycle to make under double drive states
Used time, can be converted into driving rear wheel by the transmission system of side by easy operation, form laborsaving and timesaving list
Drive state, and can with convert back restore come double drive states, suitable transmission shape is selected according to service condition for user
State.
To reach above-mentioned purpose, the utility model provides a kind of double driving system bicycle of adjustable drive state,
Characterized in that, comprising：
One car body, comprising a vehicle frame, a front-wheel and a trailing wheel, wherein being provided with for rotating coaxially in the rotating shaft of the trailing wheel
Toothed chain disk after left back toothed chain disk and a right side；
One pedal group, rotation is located on the car body, the one of synchronous axial system comprising a pedal shaft and on the pedal shaft
Left-hand tread plate and a right-hand tread plate, for driving the pedal shaft to rotate；
Two nipper chain drums, rotate on the pedal shaft respectively comprising a left front toothed chain disk and a right nipper chain drum
Arranged on left and right sides and with the pedal shaft synchronous axial system；Wherein each nipper chain drum respectively by a chain with respectively with the left back tooth
Toothed chain disk correspondence links and forms a left side transmission system and a right side transmission system behind chain drum, the right side；And
One adjusting apparatus, its selection is set in the left side transmission system or right side transmission system a wherein transmission system,
Operated for user on a handle-bar of the vehicle frame comprising an operating knob；One speed changer is located in the rotating shaft of the trailing wheel,
It is used to the transmission system for enabling this to be provided with adjusting apparatus by highest driving force modulation into minimum driving force；One control line is linked to this
Between operating knob and the speed changer；
Wherein, when user manipulates the operating knob, by the control line to control the speed changer, and then this can be set
There is the chain modulation of transmission system of adjusting apparatus its driving force；
Wherein, when the speed changer is not operated, user steps the pedal group so that the left and right side transmission system is passed
Power and drive the rotating shaft of the trailing wheel to be rotated simultaneously, the rotating shaft of the trailing wheel is driven simultaneously by toothed chain disk after two simultaneously, i.e.,
Form double drive states that the left side and right side transmission system are acted on simultaneously；
Wherein, when in this pair of drive state, user operates the operating knob with by the control line traffic control speed changer,
This is set to be provided with the transmission system of adjusting apparatus by highest driving force modulation into minimum driving force, so that the axis of rotation of the trailing wheel
Main drive is provided by the rear toothed chain disk for being not provided with the transmission system of adjusting apparatus, that is, forms the left side or right side transmission system
Only one of which is the single-drive state of Main Function.
The double driving system bicycle of described adjustable drive state, wherein：The speed changer of the adjusting apparatus is one
Outer speed changer.
The double driving system bicycle of described adjustable drive state, wherein：The outer speed changer includes：One adjustment part
On the vehicle frame and near the rotating shaft of the trailing wheel；One adjustment toothed chain disk is in the rotating shaft of the trailing wheel but only provides minimum
Driving force and with the rotating shaft synchronous axial system of the trailing wheel；One small toothed chain disk makes the chain of the transmission system on the adjustment part
The small toothed chain disk is linked to, the small toothed chain disk is linked to and the rear toothed chain disk or the adjustment toothed chain disk again.
The double driving system bicycle of described adjustable drive state, wherein：When user manipulates the operating knob, energy
Enough by the control line to drive the adjustment part displacement, and then the chain that the small toothed chain disk is linked is set to be taken off by the rear toothed chain disk
From and change and link the adjustment toothed chain disk, or changed and be linked to the rear toothed chain disk by the adjustment toothed chain disk detachment.
The double driving system bicycle of described adjustable drive state, wherein：When in this pair of drive state, user
Operate the operating knob to drive the adjustment part displacement with by the control line, make the chain that the small toothed chain disk is linked by the rear toothed chain
Disk conversion is linked to the adjustment toothed chain disk and provides minimum driving force, makes the axis of rotation of the trailing wheel by another rear toothed chain disk conduct
Main driving of exerting oneself, that is, it is the single-drive state of Main Function to form the left side or right side transmission system only one of which.
The double driving system bicycle of described adjustable drive state, wherein：It is hand in the operating knob of the adjusting apparatus
Dynamic formula is operated, and when the operating knob is promoted with a direction, the control line can be tensed and pull the adjustment part to produce displacement.
The double driving system bicycle of described adjustable drive state, wherein：Pulled when with the relative direction of the direction
During the operating knob, the control line can loosen and release pulling, and make the adjustment part homing.
The double driving system bicycle of described adjustable drive state, wherein：The tune is pulled when the control line is tensed
When one integral piece produces displacement, the chain that the small toothed chain disk is linked is linked to the adjustment toothed chain disk by the rear toothed chain disk conversion.
The double driving system bicycle of described adjustable drive state, wherein：Pulling is released when the control line loosens
When making the adjustment part homing, the chain that the small toothed chain disk is linked is linked to the rear toothed chain by adjustment toothed chain disk conversion
Disk.
The double driving system bicycle of described adjustable drive state, wherein：The adjusting apparatus are an internal speed changer.
By said structure, a kind of variable bicycle of drive state of the present utility model has the advantage that：
(1) when in this pair of drive state, user operates the operating knob to drive adjustment part position with by the control line
Move, the chain that the small toothed chain disk is linked is linked to the adjustment toothed chain disk by the rear toothed chain disk conversion and is provided minimum driving
Power, makes the axis of rotation of the trailing wheel be main driving only by toothed chain disk after, that is, form the left side or right side transmission system only has
One of them effect, forms the laborsaving and timesaving single-drive state.
(2) when user manipulates the operating knob, by the control line to drive the adjustment part displacement, and then this can be made small
The chain that toothed chain disk is linked can be changed by the rear toothed chain disk detachment and link the adjustment toothed chain disk, or be taken off by the adjustment toothed chain disk
From and conversion is linked to the rear toothed chain disk, more to become the state of transmission system, and then user be provided selected according to service condition
Suitable state.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the double driving system bicycle of adjustable drive state of the present utility model.
Fig. 2 is the planar front view schematic diagram of the double driving system bicycle of adjustable drive state of the present utility model.
Fig. 3 is the planar side of double drive states of the double driving system bicycle of adjustable drive state of the present utility model
Depending on schematic diagram.
Fig. 4 is the trailing wheel area of double drive states of the double driving system bicycle of adjustable drive state of the present utility model
The transmission system in domain amplifies front-view schematic diagram.
Fig. 5 is the planar side of the single-drive state of the double driving system bicycle of adjustable drive state of the present utility model
Depending on schematic diagram.
Fig. 6 is the trailing wheel area of the single-drive state of the double driving system bicycle of adjustable drive state of the present utility model
The transmission system in domain amplifies front-view schematic diagram.
Fig. 7 is the internal speed changer installation site table of the double driving system bicycle of adjustable drive state of the present utility model
The plane schematic side view shown.
Fig. 8 is the internal speed changer installation site table of the double driving system bicycle of adjustable drive state of the present utility model
The transmission system in the trailing wheel region for showing amplifies front-view schematic diagram.
Description of reference numerals：1- bicycles；10- car bodies；11- vehicle frames；111- left handles；The right handles of 112-；12- front-wheels；
13- trailing wheels；The rotating shaft of 131- trailing wheels；The left back toothed chain disks of 132-；Toothed chain disk behind the 133- right sides；20- pedal groups；21- pedal shafts；
22- left-hand tread plates；23- right-hand tread plates；30- nipper chain drums；The left front toothed chain disks of 31-；The right nipper chain drums of 32-；40- chains；The left chains of 41-
Bar；42- right chains；50- transmission systems；51- Left Drive systems；The right transmission systems of 52-；60- adjusting apparatus；61- operating knobs；
62- speed changers；The outer speed changers of 621-；6211- adjustment parts；6212- adjusts toothed chain disk；The small toothed chain disks of 6213-；622- internal speed-changings
Device；63- control lines.
Specific embodiment
With reference to Fig. 1, Fig. 2, a kind of double driving system of adjustable drive state (twin-driving system) bicycle
1, it is included：One car body 10, a pedal group 20, two nipper chain drums 30, two chains 40, two transmission systems 50, and an adjusting apparatus
60。
With reference to Fig. 1, Fig. 2, the car body 10 includes a vehicle frame 11, a front-wheel 12 and a trailing wheel 13, wherein in the trailing wheel 13
Rotating shaft 131 is provided with toothed chain disk 132,133 behind the left side and a right side for rotating coaxially.
With reference to Fig. 1, Fig. 2, the pedal group 20 is that rotation is located on the car body 10, comprising a pedal shaft 21 and in the pedal
A left side of synchronous axial system and a right-hand tread plate 22,23 in rotating shaft 21, for driving the pedal shaft 21 to rotate.
With reference to Fig. 1, Fig. 2, the nipper chain drum 30 is left comprising one and a right nipper chain drum 31,32 is rotated located at the pedal respectively
Arranged on left and right sides in rotating shaft 21 and with the synchronous axial system of pedal shaft 21；Wherein each nipper chain drum 31 (30), 32 (30) respectively with
By means of a chain 41 (40), 42 (40) with respectively with the left and right rear toothed chain disk 132,133 corresponding links and form a left and right side
Transmission system 51 (50), 52 (50).
With reference to Fig. 1, Fig. 2, the adjusting apparatus 60 selection is located at a left or right side wherein transmission system 51, in 52, at this
In case embodiment, the adjusting apparatus 60 are located in the transmission system 51 on the left of this as shown in Figure 1, 2, but are not used to limit this practicality
It is new.The adjusting apparatus 60 are included：One operating knob 61 is grasped on 112 located at a handle-bar 111 of the vehicle frame 11 for user
Make；One speed changer 62 is used to the transmission system for enabling this to be provided with adjusting apparatus 60 by highest in the rotating shaft 131 of the trailing wheel 13
Driving force modulation is into minimum driving force；And one control line 63 be linked between the operating knob 61 and the speed changer 62.
With reference to Fig. 1, Fig. 2, Fig. 7, Fig. 8, the speed changer 62 of the adjusting apparatus 60 can be the outer of the existing skill of in the market
Speed changer 621 or internal speed changer 622, this case are illustrated by taking the outer speed changer 621 that in the market tradition is used as an example, but are not used to limit
The utility model processed.
With reference to Fig. 1, Fig. 2, the outer speed changer 621 is further included：One adjustment part 6211 is on the vehicle frame 11 and is located at
Near the rotating shaft 131 of the trailing wheel 13；One adjustment toothed chain disk 6212 is located in the rotating shaft 131 of the trailing wheel 13 but only provides minimum driving
Power and with the synchronous axial system of rotating shaft 131 of the trailing wheel 13；One small toothed chain disk 6213 makes the power train on the adjustment part 6211
The chain 41,42 of system 51,52 is linked to the small toothed chain disk 6213, then is linked to the rear toothed chain disk 132,133 or the adjustment toothed chain
Disk 6212.
With reference to Fig. 3-Fig. 6, when user manipulates the operating knob 61, the control line 63 can be relied on to drive the adjustment part
6211 displacements, and then the chain 41,42 that the small toothed chain disk 6213 is linked is departed from by the rear toothed chain disk 132,133 and is changed
Link the adjustment toothed chain disk 6212, or departed from by the adjustment toothed chain disk 6212 and changed and be linked to the rear toothed chain disk 132,133.
With reference to Fig. 3, Fig. 4, when the adjusting apparatus 60 are not operated, user steps the pedal group 20 so that the left and right side
Transmission system 51,52 obtains driving force and while drive the rotating shaft 131 of the trailing wheel 13 to be rotated, and makes the rotating shaft of the trailing wheel 13
131 are driven simultaneously by toothed chain disk 132,133 after two simultaneously, that is, form the effect simultaneously of the left side and right side transmission system 51,52
Double drive states.
With reference to Fig. 5, Fig. 6, when in this pair of drive state, user operates the operating knob 61 to be driven with by the control line 63
The displacement of adjustment part 6211 is moved, the chain 41,42 that the small toothed chain disk 6213 is linked is changed by the rear toothed chain disk 132,133 and is connected
Tie in the adjustment toothed chain disk 6212 so that the transmission system 51,52 can be by highest driving force modulation into minimum driving force, after making this
It is the offer of main drive that the rotating shaft 131 of wheel 13 is rotated only by toothed chain disk 132,133 after, that is, form the left side or right side biography
The dynamic only one of which of system 51,52 is the single-drive state of Main Function, as shown in Figure 5,6, mainly by the biography on the left of this
System 51 is moved to provide driving force.
With reference to Fig. 4, Fig. 6, in the adjusting apparatus 60, the adjustment part 6211 has an elasticity recovery power, and by the reply
Elastic force controls the scope of its displacement.
With reference to Fig. 3, Fig. 4, the operating knob 61 of the adjusting apparatus 60 is hand operation, when promoting the operating knob with a direction
When 61, the control line 63 can be tensed and pull the adjustment part 6211 to produce displacement, away from the rotating shaft 131 of the trailing wheel 13.
With reference to Fig. 5, Fig. 6, when the operating knob 61 is pulled with relative direction, the control line 63 can loosen and release drawing
It is dynamic, and make the homing of adjustment part 6211, near the rotating shaft 131 of the trailing wheel 13.
With reference to Fig. 5, Fig. 6, when the control line 63 is tensed and pulls the adjustment part 6211 to produce displacement, the small toothed chain disk
6213 chains 41,42 for being linked are linked to the adjustment toothed chain disk 6212 by the rear toothed chain disk 132,133 conversion.
With reference to Fig. 3, Fig. 4, loosen when the control line 63 and when releasing pulling and making 6211 homing of adjustment part, the small tooth
The chain 41,42 that chain drum 6213 is linked is linked to the rear toothed chain disk 132,133 by the adjustment toothed chain disk 6212 conversion.
With reference to Fig. 7, Fig. 8, the speed changer 62 can further be changed to an internal speed changer 622 to adjust the transmission system 50
Change, because the internal speed changer 622 is the existing skill of in the market, and the non-this case of its inside configuration demand main points, therefore not herein
Repeat the detailed construction or its interactively of the internal speed changer 622.
By said structure, a kind of variable bicycle 1 of drive state of the present utility model has the advantage that：
(1) when in this pair of drive state, user operates the operating knob 61 to drive the adjustment with by the control line 63
The displacement of part 6211, makes the chain 41,42 that the small toothed chain disk 6213 is linked be linked to the tune by the rear toothed chain disk 132,133 conversion
Whole toothed chain disk 6212 and minimum driving force is provided, the rotating shaft 131 of the trailing wheel 13 is rotated only by toothed chain disk 132 after, based on 133
Drive, that is, form the left side or the effect of the only one of which of right side transmission system 51,52, form the laborsaving and timesaving patrilineal line of descent with only one son in each generation
Dynamic state.
(2) when user manipulates the operating knob 61, can enter by the control line 63 to drive the displacement of adjustment part 6211
And make the chain 41 that the small toothed chain disk 6213 linked, 42 can depart from and change and link the adjustment by the rear toothed chain disk 132,133
Toothed chain disk 6212, or departed from by the adjustment toothed chain disk 6212 and changed and be linked to the rear toothed chain disk 132,133 more become power train
The state of system, and then offer user selects suitable state according to service condition.
It is described above to be merely exemplary for the utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case where spirit and scope defined herein are not departed from, can many modifications may be made, change or equivalent, but all
To fall within protection domain of the present utility model.
Claims (10)
1. a kind of double driving system bicycle of adjustable drive state, it is characterised in that include：
One car body, comprising a vehicle frame, a front-wheel and a trailing wheel, wherein it is left back that for rotating coaxially is provided with the rotating shaft of the trailing wheel
Toothed chain disk after toothed chain disk and a right side；
One pedal group, rotation is located on the car body, and comprising a pedal shaft and on the pedal shaft, a left side of synchronous axial system is stepped on
Plate and a right-hand tread plate, for driving the pedal shaft to rotate；
Two nipper chain drums, rotate left and right on the pedal shaft respectively comprising a left front toothed chain disk and a right nipper chain drum
Both sides and with the pedal shaft synchronous axial system；Wherein each nipper chain drum respectively by a chain with respectively with the left back toothed chain disk,
Toothed chain disk correspondence links and forms a left side transmission system and a right side transmission system behind the right side；And
One adjusting apparatus, its selection is set in the left side transmission system or right side transmission system a wherein transmission system, comprising
One operating knob is on a handle-bar of the vehicle frame for user's operation；One speed changer is used in the rotating shaft of the trailing wheel
This is set to be provided with the transmission system of adjusting apparatus by highest driving force modulation into minimum driving force；One control line is linked to the operation
Between button and the speed changer；
Wherein, when user manipulates the operating knob, by the control line to control the speed changer, and then this can be made to be provided with tune
The chain modulation of the transmission system of engagement positions its driving force；
Wherein, when the speed changer is not operated, user steps the pedal group so that the left and right side transmission system obtains driving force
And drive the rotating shaft of the trailing wheel to be rotated simultaneously, and the rotating shaft of the trailing wheel is driven simultaneously by toothed chain disk after two simultaneously, that is, formed
Double drive states that the left side and right side transmission system are acted on simultaneously；
Wherein, when in this pair of drive state, user operates the operating knob, by the control line traffic control speed changer, to make this
The transmission system for being provided with adjusting apparatus can be by highest driving force modulation into minimum driving force, so that the axis of rotation of the trailing wheel is not by
The rear toothed chain disk for being provided with the transmission system of adjusting apparatus provides main drive, that is, form the left side or right side transmission system only has
One of them is the single-drive state of Main Function.
2. the double driving system bicycle of drive state can adjust as claimed in claim 1, it is characterised in that：The adjusting apparatus
The speed changer be an outer speed changer.
3. the double driving system bicycle of drive state can adjust as claimed in claim 2, it is characterised in that：The outer speed changer
Include：One adjustment part is on the vehicle frame and near the rotating shaft of the trailing wheel；One adjustment toothed chain disk turns located at the trailing wheel
There is provided on axle but only minimum driving force and with the rotating shaft synchronous axial system of the trailing wheel；One small toothed chain disk makes on the adjustment part
In the small toothed chain disk, the small toothed chain disk is linked to and the rear toothed chain disk or the adjustment toothed chain chain coupling of the transmission system again
Disk.
4. the double driving system bicycle of drive state can adjust as claimed in claim 3, it is characterised in that：As user behaviour
When controlling the operating knob, by the control line to drive the adjustment part displacement, and then the chain that the small toothed chain disk linked can be made
Can change the link adjustment toothed chain disk by the rear toothed chain disk detachment, or after being changed by the adjustment toothed chain disk detachment and being linked to this
Toothed chain disk.
5. the double driving system bicycle of drive state can adjust as claimed in claim 4, it is characterised in that：Passed when in this pair
In dynamic state, user operates the operating knob to drive the adjustment part displacement with by the control line, is linked the small toothed chain disk
Chain the adjustment toothed chain disk is linked to by rear toothed chain disk conversion and minimum driving force is provided, make the axis of rotation of the trailing wheel by
Used as main driving of exerting oneself, that is, it is Main Function to form the left side or right side transmission system only one of which to another rear toothed chain disk
Single-drive state.
6. the double driving system bicycle of drive state can adjust as claimed in claim 3, it is characterised in that：In adjustment dress
The operating knob put is operated for hand, and when the operating knob is promoted with a direction, the control line can be tensed and pull the adjustment
Part produces displacement.
7. the double driving system bicycle of drive state can adjust as claimed in claim 6, it is characterised in that：When with the direction
Relative direction when pulling the operating knob, the control line can loosen and release pulling, and make the adjustment part homing.
8. the double driving system bicycle of drive state can adjust as claimed in claim 6, it is characterised in that：When the control line
When tensing and pulling the adjustment part to produce displacement, the chain that the small toothed chain disk is linked is linked to the tune by the rear toothed chain disk conversion
Whole toothed chain disk.
9. the double driving system bicycle of drive state can adjust as claimed in claim 7, it is characterised in that：When the control line
When loosening and releasing pulling and make the adjustment part homing, the chain that the small toothed chain disk is linked is changed by the adjustment toothed chain disk and connected
Tie in the rear toothed chain disk.
10. the double driving system bicycle of drive state can adjust as claimed in claim 1, it is characterised in that：The adjustment is filled
It is set to an internal speed changer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104220807U TWM523656U (en) | 2015-12-25 | 2015-12-25 | Transmission state adjustable dual transmission system bicycle |
| TW104220807 | 2015-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206202531U true CN206202531U (en) | 2017-05-31 |
Family
ID=56757078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621145779.7U Expired - Fee Related CN206202531U (en) | 2015-12-25 | 2016-10-21 | Bicycle with double transmission systems and adjustable transmission state |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206202531U (en) |
| TW (1) | TWM523656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085247A1 (en) * | 2017-11-02 | 2019-05-09 | 邓文祥 | Transmission structure for bicycle with dual transmission system |
-
2015
- 2015-12-25 TW TW104220807U patent/TWM523656U/en not_active IP Right Cessation
-
2016
- 2016-10-21 CN CN201621145779.7U patent/CN206202531U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085247A1 (en) * | 2017-11-02 | 2019-05-09 | 邓文祥 | Transmission structure for bicycle with dual transmission system |
| CN109747766A (en) * | 2017-11-02 | 2019-05-14 | 邓文祥 | The drive mechanism of double driving system bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM523656U (en) | 2016-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201021 |