CN206561915U - A kind of folding bicycle - Google Patents
A kind of folding bicycle Download PDFInfo
- Publication number
- CN206561915U CN206561915U CN201720126248.1U CN201720126248U CN206561915U CN 206561915 U CN206561915 U CN 206561915U CN 201720126248 U CN201720126248 U CN 201720126248U CN 206561915 U CN206561915 U CN 206561915U
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- China
- Prior art keywords
- wheel
- attachment
- axis
- folding bicycle
- sprocket wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of folding bicycle, including front-wheel, trailing wheel, transmission system, front frame, Rear frame and attachment, trailing wheel is connected with transmission system, front-wheel is arranged in front frame, trailing wheel and transmission system are arranged in Rear frame, attachment are enclosed in front frame, and attachment can be slided with respect to front frame, and attachment are hinged with Rear frame；Folding bicycle of the present utility model in folded state in strip, front wheels and rear wheels side by side, therefore floor space is small, and can easily drag, and is easy to people to be carried in daily life place especially crowded place.
Description
Technical field
The utility model is related to bicycle, especially a kind of folding bicycle.
Background technology
Folding bicycle due to can with more and more welcomed by the people the characteristics of stored collapsed, but now it is big on the market
The floor space of partial folding bicycle after folding is inconvenient to drag than larger, when Portable foldable bicycle is taken
These shortcomings are especially protruded when public transport subway.
Utility model content
The technical problems to be solved in the utility model is to provide that floor space after a kind of folding is small, convenient dragging folding from
Driving.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of folding bicycle, including front-wheel, after
Wheel and transmission system, the trailing wheel are connected with the transmission system；The folding bicycle also includes front frame, Rear frame and engagement
Part；The front-wheel is arranged in the front frame, and the trailing wheel and the transmission system are arranged in the Rear frame；It is described
Attachment are enclosed in the front frame, and the attachment can relatively described front frame slip；The attachment and institute
Rear frame is stated to be hinged.
As the further improvement of the above-mentioned folding bicycle of the utility model, the attachment pass through with the Rear frame
First rotating shaft is hinged, and the axis of the axis of the first rotating shaft and the trailing wheel is not parallel.
As the further improvement of the above-mentioned folding bicycle of the utility model, the front frame includes front fork, head tube, upper bowl
Group, lower bowl group and handlebar；The front fork includes vertical tube of front fork and fork blade；The vertical tube of front fork passes through upper bowl group and described
Lower bowl group is arranged in the head tube, and the handlebar is fixed on the top of the vertical tube of front fork, the front-wheel be arranged on it is described before
In fork leg；The attachment are enclosed in the head tube, and the attachment can be slided along the head tube, the attachment
Provided with fluting and handle, by rotating the handle attachment can be made to clamp or loosen the head tube.
As the further improvement of the above-mentioned folding bicycle of the utility model, the front frame includes front fork and handlebar；Institute
Stating front fork includes vertical tube of front fork and fork blade, and the handlebar is fixed on the top of the vertical tube of front fork, and the front-wheel is arranged on institute
State on fork blade；The attachment include pedestal, sleeve pipe, upper bowl group and lower bowl group；The pedestal is hinged with the Rear frame；
Described sleeve pipe is arranged in the pedestal by upper bowl group and the lower bowl group, and described sleeve pipe is enclosed on the vertical tube of front fork
On, described sleeve pipe can be slided along the vertical tube of front fork；Described sleeve pipe is slotted provided with sleeve pipe, and pipe is provided with described sleeve pipe
Folder, the pipe clamp can clamp or loosen described sleeve pipe, so that described sleeve pipe clamps or loosened the vertical tube of front fork.
As the further improvement of the above-mentioned folding bicycle of the utility model, the Rear frame includes girder and seat pipe, institute
Girder is stated to be hinged with the seat pipe.
As the further improvement of the above-mentioned folding bicycle of the utility model, the transmission system include axis, left crank,
Right crank, the first sprocket wheel, the first chain and flywheel；The axis is arranged in the Rear frame, and the left crank is fixed on institute
The left end of axis is stated, the right crank is fixed on the right-hand member of the axis, and first sprocket wheel is fixed on the right crank, institute
Flywheel is stated on the trailing wheel, first sprocket wheel and the flywheel are connected by first chain.
As the further improvement of the above-mentioned folding bicycle of the utility model, the transmission system include axis, left crank,
Right crank, the first sprocket wheel, the first chain, the second sprocket wheel, the 3rd sprocket wheel, countershaft, the second chain and flywheel；The axis is arranged on
In the Rear frame, the left crank is fixed on the left end of the axis, and the right crank is fixed on the right-hand member of the axis, institute
State the first sprocket wheel to be fixed on the axis, the countershaft is arranged in the Rear frame, second sprocket wheel and the described 3rd
Sprocket wheel is fixed on the countershaft, and the flywheel is arranged on the trailing wheel, and first sprocket wheel and second sprocket wheel pass through
The first chain connection, the 3rd sprocket wheel and the flywheel are connected by second chain.
The beneficial effects of the utility model are：Floor space is small after folding for the utility model folding bicycle, and
It can easily drag, therefore be easy to people to be carried in the especially crowded place in daily life place.
Brief description of the drawings
Fig. 1 is the front view of the utility model folding bicycle first embodiment deployed condition and folded state；
Fig. 2 is the stereoscopic schematic diagram of the utility model folding bicycle first embodiment deployed condition；
Fig. 3 is the A-A sectional views of the first embodiment of the utility model folding bicycle shown in Fig. 2；
Fig. 4 is the B direction views of the first embodiment of the utility model folding bicycle shown in Fig. 2；
Fig. 5 is schematic diagram of the first embodiment of the utility model folding bicycle shown in Fig. 4 in folding process；
Fig. 6 is the upward view of the utility model folding bicycle first embodiment deployed condition；
Fig. 7 is the left view of the utility model folding bicycle first embodiment folded state；
Fig. 8 is the D direction views of the first embodiment of the utility model folding bicycle shown in Fig. 6；
Fig. 9 is schematic diagram of the first embodiment of the utility model folding bicycle shown in Fig. 8 in folding process；
Figure 10 is the C direction views of the first embodiment of the utility model folding bicycle shown in Fig. 2；
Figure 11 is the E-E sectional views of the fourth embodiment of the utility model folding bicycle shown in Figure 10.
Figure 12 is the action specification that the utility model folding bicycle first embodiment is changed into folded state from deployed condition
Figure；
Figure 13 is the action specification that the utility model folding bicycle first embodiment is changed into deployed condition from folded state
Figure；
Figure 14 is the left view of the utility model folding bicycle second embodiment deployed condition；
Figure 15 is the left view of the utility model folding bicycle second embodiment folded state；
Figure 16 is the stereoscopic schematic diagram of the utility model folding bicycle 3rd embodiment deployed condition；
Figure 17 is the F partial enlarged drawings of the 3rd embodiment of the utility model folding bicycle shown in Figure 16；
Figure 18 is the G-G sectional views of the 3rd embodiment of the utility model folding bicycle shown in Figure 16；
Figure 19 is schematic diagram of the 3rd embodiment of the utility model folding bicycle shown in Figure 17 in folding process；
Figure 20 is the stereoscopic schematic diagram of the utility model folding bicycle fourth embodiment deployed condition；
Figure 21 is the H-H sectional views of the fourth embodiment of the utility model folding bicycle shown in Figure 20.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.In addition, this practicality disclosed below
As long as involved technical characteristic does not constitute conflict and can be just mutually combined each other in each new embodiment.
First embodiment：As depicted in figs. 1 and 2, a kind of folding bicycle, including front-wheel 4, trailing wheel 5 and transmission system 70,
Trailing wheel 5 is connected with transmission system 70；The folding bicycle also includes front frame 1, Rear frame 2 and attachment 3；Front-wheel 4 is installed
In front frame 1, trailing wheel 5 and transmission system 70 are arranged in Rear frame 2；Attachment 3 are enclosed in front frame 1, attachment 3
It can be slided with respect to front frame 1；Attachment 3 are hinged with Rear frame 2 by first rotating shaft 6, the axis and trailing wheel of first rotating shaft 6
5 axis is not parallel.
As shown in figure 3, front frame 1 includes front fork 11, head tube 12, upper bowl group 13, lower bowl group 14 and handlebar 15；Front fork 11 is wrapped
Include vertical tube of front fork 111 and fork blade 112.Vertical tube of front fork 111 is arranged in head tube 12 by upper bowl group 13 and lower bowl group 14, handlebar
15 are fixed on the top of vertical tube of front fork 111, and front-wheel 4 is arranged on fork blade 112.
As shown in Figure 4 and Figure 5, attachment 3 are enclosed in head tube 12, and attachment 3 can be slided along head tube 12, junction surface
Part 3 can make attachment 3 clamp or loosen head tube 12 provided with fluting 31 and handle 32 by rotating handle 32.
Rear frame 2 includes girder 21 and seat pipe 22, and girder 21 is hinged with seat pipe 22, and trailing wheel 5 is arranged on girder 21.Girder
21 are provided with girder joint 211, and girder joint 211 is hinged by first rotating shaft 6 with attachment 3, as shown in fig. 6, when folding
When bicycle is in deployed condition, the axis X-X of first rotating shaft 6 is not parallel in the projection of horizontal plane with the axis Y-Y of trailing wheel 5,
With certain angle m, the purpose for the arrangement is that alloing front-wheel 4 and trailing wheel 5 when folding bicycle is in folded state wrong
Open, as shown in Figure 7.Attachment 3 are provided with the first latch segment 33, and girder joint 211 is provided with locking slot 2111, when the first lock
When in the tight insertion of block 33 locking slot 2111, attachment 3 can not be rotated relative to girder 21, as shown in Figure 4；When the first latch segment 33
When being extracted from locking slot 2111, attachment 3 can be rotated relative to girder 21 around first rotating shaft 6, as shown in Figure 5.
As shown in Figure 8 and Figure 9, seat pipe 22 is hinged by the second rotating shaft 7 and girder 21, and girder 21 is provided with the second latch segment
8, seat pipe 22 is provided with seat pipe limited block 221, when seat pipe 22 is in deployed condition, stirs the second latch segment 8, makes the second locking
Block 8 blocks seat pipe limited block 221, now because seat pipe limited block 221 can not by the stop of the latch segment 8 of girder 21 and second
Move, therefore seat pipe 22 can not be rotated relative to girder 21；When stirring the second latch segment 8, the second latch segment 8 is released spacing to seat pipe
During the stop of block 221, seat pipe 22 can be rotated relative to girder 21 around the second rotating shaft 7.
As shown in Figure 10 and Figure 11, transmission system 70 includes axis 701, left crank 702, right crank 703, the first sprocket wheel
71st, the first chain 72 and flywheel 77；Axis 701 is arranged on the girder 21 of Rear frame 2, and left crank 702 is fixed on axis 701
Left end, right crank 703 is fixed on the right-hand member of axis 701, and the first sprocket wheel 71 is fixed on right crank 703, after flywheel 77 is arranged on
On wheel 5, the first sprocket wheel 71 and flywheel 77 are connected by the first chain 72.When rotating left crank 702 and right crank 703, Zuo Qu
Handle 702 and right crank 703 drive the first sprocket wheel 71 to rotate, and the first sprocket wheel 71 is rotated by the flywheel driven 77 of the first chain 72, fly
Wheel 77 drives trailing wheel 5 to rotate.
The folding process of the present embodiment folding bicycle：As shown in Figure 12 (a) and Figure 12 (b), rotating handle 32 makes engagement
Part 3 loosens head tube 12, and the first latch segment 33 is extracted from locking slot 2111, girder 21 is lifted then up, is now engaged
Part 3 simultaneously engages with part 3 and rotated relative to girder 21 around first rotating shaft 6, due to first rotating shaft 6 along the upward sliding of head tube 12
The axis of axis and trailing wheel 5 is not parallel, thus when front-wheel 4 to trailing wheel 5 close to when, front-wheel 4 and trailing wheel 5 can stagger；Such as Figure 12
(c) shown in, attachment 3 are allowed to slide into the top of head tube 12, and allow front-wheel 4 and trailing wheel 5 to stir the second locking side by side, then
Block 8, releases stop of second latch segment 8 to seat pipe limited block 221, then rotates seat pipe 22 around the second rotating shaft 7, make seat pipe 22 to
Folded close to the direction of girder 21, so that the folding of folding bicycle is completed, shown in such as Figure 12 (d).
The expansion process of the present embodiment folding bicycle：As shown in Figure 13 (a) and Figure 13 (b), around the rotation seat of the second rotating shaft 7
Pipe 22, makes seat pipe 22 be in deployed condition, then stirs the second latch segment 8, the second latch segment 8 is blocked seat pipe limited block 221；
As shown in Figure 13 (c), girder 21 is rotated, the opposed splice components 3 of girder 21 is rotated around first rotating shaft 6, while making attachment 3
Along the slide downward of head tube 12, now front-wheel 4 and trailing wheel 5 are located remotely from each other；Attachment 3 are allowed to slide into the bottom of head tube 12, then
First latch segment 33 is inserted into the locking slot 2111 of girder joint 211, rotating handle 32 makes attachment 3 clamp head tube
12, so that the expansion of folding bicycle is completed, shown in such as Figure 13 (d).
Second embodiment：The present embodiment and the difference of first embodiment are that the axis direction of first rotating shaft 6 is different.
As shown in figure 14, in the present embodiment, when folding bicycle is in deployed condition, the axis X-X of first rotating shaft 6
Axis Y-Y with trailing wheel 5 is not parallel in the projection of vertical plane, with certain angle m, in this case, when folding voluntarily
Front-wheel 4 and trailing wheel 5 can also mutually stagger when car is in folded state, as shown in figure 15.The other structures of the present embodiment with
First embodiment is identical, therefore does not remake repeat specification；The folding process of the present embodiment folding bicycle and expansion process are with the
One embodiment is identical, therefore does not remake repeat specification.
3rd embodiment：The difference of the present embodiment and first embodiment is front frame 1 and the structure and first of attachment 3
The difference of embodiment.
As shown in Figure 16,17,18,19, in the present embodiment, front frame 1 includes front fork 11 and handlebar 15；Front fork 11 includes
Vertical tube of front fork 111 and fork blade 112, handlebar 15 are fixed on the top of vertical tube of front fork 111, and front-wheel 4 is arranged on fork blade 112.
Attachment 3 include pedestal 34, sleeve pipe 35, upper bowl group 13 and lower bowl group 14；Sleeve pipe 35 is by upper bowl group 13 with
Bowl group 14 is arranged in pedestal 34, and sleeve pipe 35 is enclosed on vertical tube of front fork 111, and sleeve pipe 35 can be slided along vertical tube of front fork 111；Sleeve pipe
35, provided with sleeve pipe fluting 351, are provided with pipe clamp 36 on sleeve pipe 35, pipe clamp 36 can clamp or loosen sleeve pipe 35, so that
Sleeve pipe 35 clamps or loosened vertical tube of front fork 111.
Pedestal 34 is hinged by first rotating shaft 6 with girder joint 211, and pedestal 34 is provided with the first latch segment 33, when first
When in the locking slot 2111 of the insertion girder of latch segment 33 joint 211, attachment 3 can not be rotated relative to girder 21；When the first lock
When tight block 33 is extracted from the locking slot 2111 of girder joint 211, attachment 3 can be with respect to girder 21 around 6 turns of first rotating shaft
It is dynamic.
The other structures of the present embodiment are identical with first embodiment, therefore do not remake repeat specification.
The folding process of the present embodiment folding bicycle：Opening pipe clamp 36 makes sleeve pipe 35 loosen vertical tube of front fork 111, first
Latch segment 33 is extracted from locking slot 2111, and girder 21 is lifted then up, and now attachment 3 are upward along vertical tube of front fork 111
Slide, simultaneously engage with part 3 and rotated relative to girder 21 around first rotating shaft 6, due to the axis of the axis and trailing wheel 5 of first rotating shaft 6
It is not parallel, thus when front-wheel 4 to trailing wheel 5 close to when, front-wheel 4 and trailing wheel 5 can stagger；Attachment 3 are allowed to slide into preceding fork stand
The top of pipe 111, and allow front-wheel 4 and trailing wheel 5 to stir the second latch segment 8 side by side, then, the second latch segment 8 is released to seat pipe
The stop of limited block 221, then rotates seat pipe 22 around the second rotating shaft 7, seat pipe 22 is folded to close to the direction of girder 21, so that complete
Into the folding of folding bicycle.
The expansion process of the present embodiment folding bicycle：Seat pipe 22 is rotated around the second rotating shaft 7, seat pipe 22 is in expansion shape
State, then stirs the second latch segment 8, the second latch segment 8 is blocked seat pipe limited block 221；Girder 21 is rotated, makes girder 21 relative
Attachment 3 are rotated around first rotating shaft 6, while make attachment 3 along the slide downward of vertical tube of front fork 111, now front-wheel 4 and trailing wheel
5 are located remotely from each other；Allow attachment 3 to slide into the bottom of vertical tube of front fork 111, the first latch segment 33 is then inserted into girder joint
In 211 locking slot 2111, closing pipe clamp 36 makes sleeve pipe 35 clamp vertical tube of front fork 111, so as to complete the expansion of folding bicycle.
Fourth embodiment：The present embodiment is that transmission system 70 is different from the difference of first embodiment.
As shown in Figure 20 and Figure 21, in the present embodiment, transmission system 70 includes axis 701, left crank 702, right crank
703rd, the first sprocket wheel 71, the first chain 72, the second sprocket wheel 73, the 3rd sprocket wheel 74, countershaft 75, the second chain 76 and flywheel 77；In
Axle 701 is arranged on the girder 21 of Rear frame 2, and left crank 702 is fixed on the left end of axis 701, and right crank 703 is fixed on axis
701 right-hand member, the first sprocket wheel 71 is fixed on axis 701, and countershaft 75 is arranged on the girder 21 of Rear frame 2, the second sprocket wheel 73
It is fixed on the 3rd sprocket wheel 74 on countershaft 75, flywheel 77 is arranged on trailing wheel 5, and the first sprocket wheel 71 and the second sprocket wheel 73 pass through first
Chain 72 is connected, and the 3rd sprocket wheel 74 and flywheel 77 are connected by the second chain 76.When rotating left crank 702 and right crank 703,
Left crank 702 and right crank 703 drive the first sprocket wheel 71 to rotate by axis 701, and the first sprocket wheel 71 passes through the band of the first chain 72
Dynamic second sprocket wheel 73 is rotated, and the second sprocket wheel 73 drives the 3rd sprocket wheel 74 to rotate, and the 3rd sprocket wheel 74 is driven by the second chain 76 to fly
Wheel 77 is rotated, and flywheel 77 drives trailing wheel 5 to rotate.The other structures of the present embodiment are identical with first embodiment, therefore do not remake weight
Multiple explanation；The folding process and expansion process of the present embodiment folding bicycle are identical with first embodiment, therefore do not remake repetition
Explanation.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in principle of the present utility model and spirit
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (7)
1. a kind of folding bicycle, including front-wheel (4), trailing wheel (5) and transmission system (70), the trailing wheel (5) and the transmission
System (70) is connected；It is characterized in that：Also include front frame (1), Rear frame (2) and attachment (3)；Front-wheel (4) peace
In the front frame (1), the trailing wheel (5) and the transmission system (70) are arranged in the Rear frame (2)；It is described to connect
Close part (3) to be enclosed in the front frame (1), the attachment (3) can relatively described front frame (1) slip；It is described to connect
Part (3) is closed to be hinged with the Rear frame (2).
2. folding bicycle according to claim 1, it is characterised in that：The attachment (3) and the Rear frame (2)
It is hinged by first rotating shaft (6), the axis of the axis and the trailing wheel (5) of the first rotating shaft (6) is not parallel.
3. folding bicycle according to claim 1 or 2, it is characterised in that：The front frame (1) include front fork (11),
Head tube (12), upper bowl group (13), lower bowl group (14) and handlebar (15)；The front fork (11) includes vertical tube of front fork (111) and front fork
Leg (112)；The vertical tube of front fork (111) is arranged on the head tube (12) by upper bowl group (13) and the lower bowl group (14)
Interior, the handlebar (15) is fixed on the top of the vertical tube of front fork (111), and the front-wheel (4) is arranged on the fork blade (112)
On；The attachment (3) are enclosed in the head tube (12), and the attachment (3) can be slided along the head tube (12), institute
Attachment (3) are stated provided with fluting (31) and handle (32), the attachment can be made by rotating the handle (32)
(3) clamp or loosen the head tube (12).
4. folding bicycle according to claim 1 or 2, it is characterised in that：The front frame (1) include front fork (11) and
Handlebar (15)；The front fork (11) include vertical tube of front fork (111) and fork blade (112), the handlebar (15) be fixed on it is described before
The top of fork riser (111), the front-wheel (4) is arranged on the fork blade (112)；The attachment (3) include pedestal
(34), sleeve pipe (35), upper bowl group (13) and lower bowl group (14)；The pedestal (34) is hinged with the Rear frame (2)；Described sleeve pipe
(35) it is arranged on by upper bowl group (13) and the lower bowl group (14) in the pedestal (34), described sleeve pipe (35) is enclosed on institute
State on vertical tube of front fork (111), described sleeve pipe (35) can be slided along the vertical tube of front fork (111)；Described sleeve pipe (35) is provided with
Sleeve pipe is slotted (351), is provided with pipe clamp (36) in described sleeve pipe (35), the pipe clamp (36) can clamp or loosen the set
Manage (35), so that described sleeve pipe (35) clamps or loosened the vertical tube of front fork (111).
5. folding bicycle according to any one of claim 1 to 4, it is characterised in that：The Rear frame (2) includes master
Beam (21) and seat pipe (22), the girder (21) are hinged with the seat pipe (22).
6. folding bicycle according to any one of claim 1 to 5, it is characterised in that：Transmission system (70) bag
Include axis (701), left crank (702), right crank (703), the first sprocket wheel (71), the first chain (72) and flywheel (77)；It is described
Axis (701) is arranged in the Rear frame (2), and the left crank (702) is fixed on the left end of the axis (701), described
Right crank (703) is fixed on the right-hand member of the axis (701), and first sprocket wheel (71) is fixed on the right crank (703),
The flywheel (77) is arranged on the trailing wheel (5), and first sprocket wheel (71) and the flywheel (77) pass through first chain
Bar (72) is connected.
7. folding bicycle according to any one of claim 1 to 5, it is characterised in that：Transmission system (70) bag
Include axis (701), left crank (702), right crank (703), the first sprocket wheel (71), the first chain (72), the second sprocket wheel (73),
Three sprocket wheels (74), countershaft (75), the second chain (76) and flywheel (77)；The axis (701) is arranged on the Rear frame (2)
On, the left crank (702) is fixed on the left end of the axis (701), and the right crank (703) is fixed on the axis
(701) right-hand member, first sprocket wheel (71) is fixed on the axis (701), and the countershaft (75) is arranged on the rear car
On frame (2), second sprocket wheel (73) and the 3rd sprocket wheel (74) are fixed on the countershaft (75), flywheel (77) peace
On the trailing wheel (5), first sprocket wheel (71) and second sprocket wheel (73) are connected by first chain (72),
3rd sprocket wheel (74) and the flywheel (77) are connected by second chain (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126248.1U CN206561915U (en) | 2017-02-13 | 2017-02-13 | A kind of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126248.1U CN206561915U (en) | 2017-02-13 | 2017-02-13 | A kind of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206561915U true CN206561915U (en) | 2017-10-17 |
Family
ID=60031198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720126248.1U Expired - Fee Related CN206561915U (en) | 2017-02-13 | 2017-02-13 | A kind of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206561915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077982A1 (en) * | 2018-10-15 | 2020-04-23 | 程宝贤 | Bicycle folding structure and bicycle folding method |
-
2017
- 2017-02-13 CN CN201720126248.1U patent/CN206561915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077982A1 (en) * | 2018-10-15 | 2020-04-23 | 程宝贤 | Bicycle folding structure and bicycle folding method |
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| 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: 20171017 Termination date: 20180213 |