CN102233926A - Folding front pipe of folding bicycle - Google Patents
Folding front pipe of folding bicycle Download PDFInfo
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- CN102233926A CN102233926A CN2010101707539A CN201010170753A CN102233926A CN 102233926 A CN102233926 A CN 102233926A CN 2010101707539 A CN2010101707539 A CN 2010101707539A CN 201010170753 A CN201010170753 A CN 201010170753A CN 102233926 A CN102233926 A CN 102233926A
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- pipe
- movable
- folding
- crossbeam
- ratchet
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Abstract
The invention relates to a structure technology of a folding front pipe of a folding bicycle. The folding front pipe mainly comprises a girder, a fixed front pipe, a movable front pipe, two rocker arms, a spring and a pull rope, wherein the fixed front pipe is fixedly connected to the front end of the girder; the movable front pipe is coaxially hinged to the upper part of the fixed front pipe; the two rocker arms are hinged to the upper part of the movable front pipe and the girder; the other ends of the two rocker arms are mutually hinged; the three sides of a triangle are formed by the movable front pipe, the fixed front pipe, the girder and the rocker arms; the spring makes the rocker arms have the trend of rotating from an overlapped state to an unfolded state; a movement dead point is arranged between the girder and the rocker arms, so that the maximum relative rotating angle of the two rocker arms is slightly larger than 180 degrees, and the two rocker arms have a stable state when stressed; a handlebar of the bicycle is stably supported; and one end of the pull rope is fixed on the rocker arms, passes through a hole at the corresponding position of the girder and is led out, and the front pipe can be automatically folded by pulling the pull rope.
Description
Technical field
The present invention relates to a kind of vehicle, especially a kind of folding preceding tubular construction technology of Folding Bicycle.
Background technology
Bicycle is as a kind of free of contamination vehicle, advocate the epoch green, the low-carbon (LC) life current, progressively be familiar with by people and pay attention to, but its bigger volume has restricted its use face again, be main vehicle person and to have the stolen experiencer of bicycle to know from experience especially quite dark particularly with mass transit system, though there are various folding bicycles to sell on the market, the volume after folding is still bigger, and folding operation is yet not too convenient.
Summary of the invention
It is still big, folding inconvenient to the present invention is directed to existing folding bicycle volume after folding, particularly vertical tube of front fork or handle riser folding inconvenient and provide a kind of folding operation more convenient, and can realize pipe before auto-folder folding.
The present invention mainly is made of crossbeam, fixing preceding pipe, movable preceding pipe, detent mechanism; Described fixing preceding pipe is fixed in the crossbeam front end, the coaxial fixing preceding pipe top that is hinged on of pipe before movable, hinged axial line is perpendicular to vehicle body cover under deployed condition, described vehicle body cover was consistent with working direction and vertical with the horizontal surface face of the vertical center of symmetry of vehicle body: detent mechanism can be managed top by the preceding pipe of coaxial locking activity before fixing, be deployed condition; Before movable pipe around jointed shaft forward to the crossbeam overlap condition be folded state; Fixedly vertical tube of front fork and movable vertical tube of front fork be nested with respectively before fixing pipe and movable before in the pipe, fixedly vertical tube of front fork is connected with universal coupling with movable vertical tube of front fork, handle riser is fixedly connected in the movable vertical tube of front fork, the moment of torsion that transmission is transmitted from handle is to front-wheel.
Above-mentioned detent mechanism can be fixed preceding pipe and movable preceding locating dowel pin of managing articulated jib for passing, with the rotation of pipe pipe before the jointed shaft relative fixed before the locating dowel pin restraint.
Above-mentioned detent mechanism can also be waitd upon clothes mechanism for the ratchet that acts on movable preceding pipe or fixing preceding pipe.
A kind of improvement project that described ratchet is waitd upon clothes mechanism is: on the pipe, the ratchet rear end is provided with the drag-line anchor fitting before the activity of being hinged on of the middle part of ratchet, and anterior and fixing preceding pipe engagement is provided with the maximum unlatching of ratchet inhibiting device between the pipe before ratchet and activity; Be arranged on the crossbeam under the folded state with ratchet on the corresponding hole of drag-line anchor fitting; One end of drag-line is fixed on the ratchet, passes the hole of crossbeam relevant position and draws; A spring is set, one end of spring is limited in crossbeam or fixing preceding pipe, the other end is limited in the front end of the anterior extension arm of ratchet, makes ratchet have trend to the rotation of engagement direction, also make movable before pipe follow ratchet and have from the trend that rotates up around jointed shaft with the crossbeam overlap condition; Pipe is under the constraint of the driving of spring and preceding pipe jointed shaft and ratchet before movable, coaxial be fixed on fixing before pipe top, be deployed condition; Traction cable is untied the engagement of ratchet, continue traction cable, the ratchet unlatching of the maximum between pipe inhibiting device before movable makes movable preceding pipe follow ratchet and turns to the state overlapping with crossbeam around preceding pipe jointed shaft, be folded state, has realized the auto-folder of preceding pipe.
Above-mentioned detent mechanism can also mainly be made of a rocking bar and spring, one end of rocking bar is articulated in movable preceding pipe top, the other end is placed in the chute on the crossbeam, be provided with groove at chute away from pipe end before fixing, described groove is not limited to literal connotation, be interpreted as stressed this place that acts on of rocking bar, its effect component backward or be zero shape structure; One end of spring is limited in rocking bar, the other end be limited in movable before pipe or fixing before pipe or crossbeam, spring make rocking bar have from movable before the pipe overlap condition around the trend of jointed shaft to inner rotary; Under the effect of spring and groove, the axial force that acts on rocking bar tends towards stability rocking bar.
Above-mentioned detent mechanism can also mainly be made of two rocking bars and spring, two rocking bars are articulated in respectively on movable preceding pipe top and the crossbeam, the other end of two rocking bars is mutually hinged, one end of spring is limited in rocking bar, the other end be limited in crossbeam or fixing before pipe or movable before pipe, spring make with movable before the rocking bar of pipe upper articulation have from movable before the pipe overlap condition around the trend of jointed shaft to inner rotary; The inhibiting device of two rocking bar relative rotations of constraint is set, and hard-over is set at and is slightly larger than 180 degree, makes the thrust that acts on two rocking bars resolve into backward component on jointed shaft; Under the effect of spring and corner inhibiting device, the axial thrust that acts on rocking bar tends towards stability rocking bar, and pulling force makes two rocking bars state in line.
The detent mechanism that above-mentioned two kinds of rocking bars constitute in fact with movable before pipe constituted leg-of-mutton two limits, fixing before pipe constituted an other limit with crossbeam, and the stressed steady state that becomes of rocking bar makes bicycle handle bar have stable support.
Above-mentioned two kinds of rocking bars constitute a kind of innovative approach of the scheme of detent mechanism, be that the drag-line anchor fitting is set on rocking bar, be arranged on the crossbeam under the folded state with rocking bar on the corresponding hole of drag-line anchor fitting, one end of drag-line is fixed on the rocking bar, pass the hole of crossbeam relevant position and draw, the auto-folder of pipe before traction cable just can realize.
Above-mentioned detent mechanism can also mainly be made of two rocking bars and a connecting rod, two rocking bars are articulated in respectively on movable preceding pipe top and the crossbeam, the other end of two rocking bars is mutually hinged, with crossbeam pivotally attached rocking bar on a hinged connecting rod, the other end of connecting rod is hinged on the back rest; Because connecting rod is the jointed shaft disalignment on the back rest at jointed shaft on the back rest and crossbeam, when the jointed shaft rotation of crossbeam on the back rest is folding, the relative crossbeam with the rocking bar pin jointed end of connecting rod has displacement, and the displacement of this end of connecting rod affects the rocking bar action, realizes auto-folder or expansion.
Compared with prior art, the application's beneficial effect is that pipe is folding before becoming vertical tube of front fork or handle riser and being folded into, allow folding more convenient, safer firmly, and can realize auto-folder.
Description of drawings
Fig. 1 is pipe embodiment 1 structural representation front view before folding.
Fig. 2 is pipe embodiment 1 structural representation left view before folding.
Fig. 3 is pipe embodiment 1 folded state left view before folding.
Fig. 4 is pipe embodiment 1 shaft side figure before folding.
Fig. 5 is pipe embodiment 2 structural representation front views before folding.
Fig. 6 is pipe embodiment 2 structural representation left views before folding.
Fig. 7 is pipe embodiment 2 folded state left views before folding.
Fig. 8 is pipe embodiment 2 shaft side figures before folding.
Fig. 9 is pipe embodiment 3 structural representation front views before folding.
Figure 10 is pipe embodiment 3 structural representation right elevations before folding.
Figure 11 is pipe embodiment 3 folded state right elevations before folding.
Figure 12 is pipe embodiment 3 shaft side figures before folding.
Figure 13 is pipe embodiment 4 structural representation front views before folding.
Figure 14 is pipe embodiment 4 structural representation right elevations before folding.
Figure 15 is pipe embodiment 4 folded state right elevations before folding.
Figure 16 is pipe embodiment 4 shaft side figures before folding.
Figure 17 is the structural representation left view of a kind of improvement project of pipe embodiment 2 before folding.
Figure 18 is the structural representation left view of the folded state of a kind of improvement project of pipe embodiment 2 before folding.
Figure 19 is the shaft side figure of a kind of improvement project of pipe embodiment 2 before folding.
Figure 20 is the structural representation right elevation of a kind of improvement project of pipe embodiment 3 before folding.
Figure 21 is the structural representation right elevation of the folded state of a kind of improvement project of pipe embodiment 3 before folding.
Figure 22 is the shaft side figure of a kind of improvement project of pipe embodiment 3 before folding.
Figure 23 is the structural representation right elevation of a kind of improvement project of pipe embodiment 4 before folding.
Figure 24 is the structural representation right elevation of the folded state of a kind of improvement project of pipe embodiment 4 before folding.
Figure 25 is the shaft side figure of a kind of improvement project of pipe embodiment 4 before folding.
Figure 26 is the structural representation shaft side figure of a kind of improvement project in the deployed condition bicycle of pipe embodiment 4 before folding.
Figure 27 is the structural representation shaft side figure of a kind of improvement project in the folded state bicycle of pipe embodiment 4 before folding.
Figure 28 is pipe embodiment 5 shaft side figures before folding.
Figure 29 is the shaft side figure of pipe embodiment 5 folded states before folding.
The representative respectively of numbering shown in the figure: 1. pipe before movable, 2. fixing before pipe, 3. crossbeam, 4. before pipe jointed shaft, 5. ratchet, 6. ratchet jointed shaft, 7. pawl restoring spring, 8. locating dowel pin, 9. rocking bar retracing spring, 10. pipe retracing springs, 18. connecting rods, 19. back rest before rocking bar on rocking bar, 11. chutes, 12., 13. times rocking bars, 14. inhibiting device, 15. drag-lines, the 16. rocking bar jointed shafts, 17..
The specific embodiment
The present invention mainly is made of crossbeam 3, fixing preceding pipe 2, movable preceding pipe 1, detent mechanism; Manage 2 before described the fixing and be fixed in crossbeam 3 front ends, movable preceding 1 coaxial fixing preceding pipe 2 tops that are hinged on of managing, hinged axial line is perpendicular to vehicle body cover under deployed condition; Detent mechanism can be managed 2 tops by the preceding pipe 1 of coaxial locking activity before fixing, be deployed condition; Before movable pipe 1 around jointed shaft 4 forward to crossbeam 3 overlap conditions be folded state; Fixedly vertical tube of front fork and movable vertical tube of front fork are nested with pipe 2 and movable preceding the pipe in 1 before fixing respectively, fixedly vertical tube of front fork is connected with universal coupling with movable vertical tube of front fork, handle riser is fixedly connected in the movable vertical tube of front fork, transmits the moment of torsion that transmits from handle to front-wheel.
Above-mentioned detent mechanism can be fixed preceding pipe 2 and movable preceding locating dowel pin 8 of managing 1 articulated jib for passing, with the rotation of pipe 1 pipe 2 before jointed shaft 4 relative fixed before the locating dowel pin restraint; Fig. 1-Fig. 4 is the scheme drawing with the folding preceding pipe embodiment 1 of locating dowel pin location.
Above-mentioned detent mechanism can also be waitd upon clothes mechanism for the ratchet that acts on movable preceding pipe 1, manages on 2 before ratchet 5 is hinged on and fixes, and the other end meshes with movable preceding pipe 1; One end of pawl restoring spring 7 is limited in ratchet 5, and the other end is limited in fixing preceding pipe 2 or crossbeam 3; Fig. 5-Fig. 8 is the scheme drawing with the folding preceding pipe embodiment 2 of ratchet location; Described ratchet is waitd upon clothes mechanism and is not limited to described or graphic state, can also change the articulated position and the engage position of ratchet 5.
A kind of improvement project that described ratchet is waitd upon clothes mechanism is: the middle part of ratchet 5 is hinged on the movable preceding pipe 1, ratchet 5 rear ends are provided with the drag-line anchor fitting, front end and fixing preceding pipe 2 engagements are provided with ratchet 5 maximums and open inhibiting device 14 between the pipe 1 before ratchet 5 and activity; Be arranged on the crossbeam 3 under the folded state with ratchet 5 on the corresponding hole of drag-line anchor fitting; One end of drag-line 15 is fixed on the ratchet 5, passes the hole of crossbeam 3 relevant positions and draws; A spring 17 is set, one end of spring 17 is limited in crossbeam 3 or fixing preceding pipe 2, the other end is limited in the front end of the anterior extension arm of ratchet, make ratchet 5 have trend to engagement direction rotation, also make movable before pipe 1 follow ratchet 5 and have from the trend that rotates up around jointed shaft 4 with crossbeam 3 overlap conditions; Pipe 1 is under the constraint of the driving of spring 17 and preceding pipe jointed shaft 4 and ratchet 5 before movable, coaxial be fixed on fixing before the top of pipe 2, be deployed condition; Traction cable 15 is untied the engagement of ratchet 5, continue traction cable 15, ratchet 5 with the maximum between the pipe 1 before movable open inhibiting device 14 make movable before pipe 1 follow ratchet 5 and turn to the state overlapping with crossbeam 3 around preceding pipe jointed shaft 4, be folded state, realized the auto-folder of preceding pipe; Figure 17-Figure 19 is the scheme drawing with a kind of improvement project of the embodiment 2 of ratchet location.
Above-mentioned detent mechanism can also mainly be made of a rocking bar 10 and spring 9, an end of rocking bar 10 be articulated in movable before pipe 1 top, the other end is placed in the chute 11 on the crossbeam 3, is provided with groove at chute away from managing 2 ends before fixing; One end of spring 9 is limited in rocking bar 10, the other end be limited in movable before pipe 1 or fixing before pipe 2 or crossbeam 3, spring 9 make rocking bar 10 have from movable before pipe 1 overlap condition around the trend of jointed shaft 16 to inner rotary; Under the effect of spring 9 and groove, the axial force that acts on rocking bar 10 tends towards stability rocking bar 10; Folding process is the end that rocking bar 10 is placed on chute 11, slide into chute end away from pipe 2 ends before fixing along chute pipe 2 directions before fixing from chute, pipe 1 forwards the state overlapping with crossbeam 3 to backward around jointed shaft 4 before meanwhile movable, and expansion process in contrast; Fig. 9-Figure 12 is the scheme drawing with the folding preceding pipe embodiment 3 of a rocking bar 10 and spring 9 location.
Above-mentioned detent mechanism can also mainly be made of two rocking bars and spring 9, two rocking bars are articulated in respectively on the top and crossbeam 3 of movable preceding pipe 1, the other end of two rocking bars is mutually hinged, one end of spring 9 is limited in rocking bar 13, the other end be limited in crossbeam 3 or fixing before pipe 2 or movable before pipe 1, spring 9 make with movable before the rocking bar 12 of pipe 1 upper articulation have from movable before pipe 1 overlap condition around the trend of jointed shaft 16 to inner rotary; The inhibiting device 14 of two rocking bar relative rotations of constraint is set, and hard-over is set at and is slightly larger than 180 degree, makes the thrust that acts on two rocking bars resolve into backward component on jointed shaft; Under the effect of spring 9 and corner inhibiting device 14, the axial force that acts on rocking bar tends towards stability rocking bar, promptly act on the direction of external force of two rocking bars when outside, the two rocking bars opposing external force that is straightened, when the direction of external force is inside, under the effect of spring 9 and corner inhibiting device 14, two rocking bars are in dead center position opposing external force; Folding process be two rocking bars to straight conllinear state respectively to movable before the overlapping direction of pipe 1 and crossbeam 3 rotate around jointed shaft 16, manage before movable simultaneously 1 rotate backward around jointed shaft 4 overlapping with crossbeam 3; Figure 13-Figure 16 is the scheme drawing with the folding preceding pipe embodiment 4 of two rocking bars and spring 9 location.
One end of above-mentioned spring 9 is limited in rocking bar 13, is not limited to rocking bar 13, and spring 9 can also be limited in rocking bar 12, and effect is identical.
Above-mentioned inhibiting device 14 does not limit to described and shown position, can also be separately positioned on rocking bar and movable before between the pipe, between rocking bar and the rocking bar.
Above-mentioned two kinds of rocking bars constitute a kind of innovative approach of the scheme of detent mechanism, be that the drag-line anchor fitting is set on rocking bar, be arranged on the crossbeam 3 under the folded state with rocking bar on the corresponding hole of drag-line anchor fitting, one end of drag-line 15 is fixed on the rocking bar, pass the hole of crossbeam 3 relevant positions and draw, the auto-folder of pipe before traction cable 15 just can realize; Figure 20-Figure 22 is the scheme drawing with a kind of improvement project of the embodiment 3 of a rocking bar 10 and spring 9 location; Figure 23-Figure 25 is the scheme drawing with a kind of improvement project of the embodiment 4 of two rocking bars and spring 9 location.
Drag-line described here is to be tangled by the multiply finer wire to form, and its characteristic is that length is constant under certain load, is a kind of flexible transmission instrument.
Above-mentioned detent mechanism can also mainly be made of two rocking bars and a connecting rod 18, two rocking bars are articulated in respectively on movable preceding pipe 1 top and the crossbeam 3, the other end of two rocking bars is mutually hinged, with the crossbeam pivotally attached under a hinged connecting rod 18 on the rocking bar 13, the other end of connecting rod 18 is hinged on the back rest 19; Because jointed shaft and crossbeam the jointed shaft disalignment on the back rest of connecting rod 18 on the back rest 19, when the jointed shaft rotation of crossbeam 3 on the back rest is folding, connecting rod 18 has displacement with the relative crossbeam 3 of following rocking bar 13 pin jointed ends, the displacement of connecting rod 18 these ends affects down rocking bar 13 actions, realizes auto-folder or expansion.
Figure 28-Figure 29 controls the scheme drawing of detent mechanism for pipe embodiment 5 before folding with connecting rod 18.
Claims (8)
1. the folding preceding pipe of a Folding Bicycle mainly is made of crossbeam, fixing preceding pipe, movable seedling pipe, detent mechanism; It is characterized in that fixing preceding pipe and be fixed in the crossbeam front end, coaxial being hinged on of movable preceding pipe fixed preceding pipe top, and hinged axial line is perpendicular to vehicle body cover, and the preceding pipe of the coaxial locking activity of detent mechanism is managed top before fixing; Fixedly vertical tube of front fork and movable vertical tube of front fork are nested with respectively before fixing in the pipe and movable preceding pipe.
2. according to the folding preceding pipe of the described Folding Bicycle of claim 1, it is characterized in that described detent mechanism is to pass to fix preceding pipe and movable preceding locating dowel pin of managing articulated jib.
3. manage according to folding of the described Folding Bicycle of claim 1 is preceding, it is characterized in that described detent mechanism is to act on the movable preceding ratchet of managing or fix preceding pipe to wait upon clothes mechanism.
4. according to the preceding pipe of folding of the described Folding Bicycle of claim 3, it is characterized in that described ratchet is hinged on the movable preceding pipe in the middle part of waiing upon the ratchet of clothes mechanism, the ratchet rear end is provided with the drag-line anchor fitting, pipe engagement before anterior and fixing is provided with the maximum inhibiting device of opening of ratchet between ratchet and movable seedling pipe; Be arranged on the crossbeam under the folded state with ratchet on the corresponding hole of drag-line anchor fitting; One end of drag-line is fixed on the ratchet, passes the hole of crossbeam relevant position and draws; A spring is set, and an end of spring is limited in crossbeam or fixing preceding pipe, and the other end is limited in the front end of the anterior extension arm of ratchet, and ratchet is had to the trend that meshes the direction rotation.
5. according to the preceding pipe of folding of the described Folding Bicycle of claim 1, it is characterized in that described detent mechanism mainly is made of a rocking bar and spring, one end of rocking bar be articulated in movable before pipe top, the other end is placed in the chute on the crossbeam, is provided with groove at chute away from pipe end before fixing; One end of spring is limited in rocking bar, the other end be limited in movable before pipe or fixing before pipe or crossbeam, spring make rocking bar have from movable before the pipe overlap condition around the trend of jointed shaft to inner rotary.
6. according to the folding seedling pipe of the described Folding Bicycle of claim 1, it is characterized in that described detent mechanism mainly is made of two rocking bars and spring, two rocking bars are articulated in respectively on movable preceding pipe top and the crossbeam, the other end of two rocking bars is mutually hinged, and the inhibiting device of two rocking bar relative rotations of constraint is set; One end of spring is limited in rocking bar, the other end be limited in crossbeam or fixing before pipe or movable before pipe, spring make with movable before the rocking bar of pipe upper articulation have from movable before the pipe overlap condition around the trend of jointed shaft to inner rotary.
7. according to the preceding pipe of folding of claim 5 or 6 described Folding Bicycles, it is characterized in that being provided with on the described rocking bar drag-line anchor fitting, be arranged on the crossbeam under the folded state with rocking bar on the corresponding hole of drag-line anchor fitting, one end of drag-line is fixed on the rocking bar, passes the hole of crossbeam relevant position and draws.
8. according to the preceding pipe of folding of the described Folding Bicycle of claim 1, it is characterized in that described detent mechanism mainly is made of two rocking bars and a connecting rod, two rocking bars are articulated in respectively on movable preceding pipe top and the crossbeam, the other end of two rocking bars is mutually hinged, with crossbeam pivotally attached rocking bar on a hinged connecting rod, the other end of connecting rod is hinged on the back rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101707539A CN102233926A (en) | 2010-04-27 | 2010-04-27 | Folding front pipe of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101707539A CN102233926A (en) | 2010-04-27 | 2010-04-27 | Folding front pipe of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102233926A true CN102233926A (en) | 2011-11-09 |
Family
ID=44885145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101707539A Pending CN102233926A (en) | 2010-04-27 | 2010-04-27 | Folding front pipe of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102233926A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730128A (en) * | 2012-07-18 | 2012-10-17 | 崔晓宏 | Turning-type folding handlebar |
| CN106428362A (en) * | 2016-11-16 | 2017-02-22 | 苏州速蝶科技有限公司 | High safety foldable reversetricycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11334671A (en) * | 1998-05-28 | 1999-12-07 | Abanteku:Kk | Bicycle serving also as cart |
| JP2004034845A (en) * | 2002-07-04 | 2004-02-05 | Kusuki Seisakusho:Kk | Foldable handlebar of bicycle |
| CN1488546A (en) * | 2002-10-08 | 2004-04-14 | ������������ʽ���� | Folding bicycle |
| US20060186641A1 (en) * | 2005-02-18 | 2006-08-24 | J.D Components Co., Ltd. | Combination vehicle frame |
| CN101130380A (en) * | 2006-08-25 | 2008-02-27 | 赵华胜 | Pin tooth transmission device and portable foldable bicycle using the transmission device |
| CN201670322U (en) * | 2010-04-27 | 2010-12-15 | 戚善鸣 | Front folding pipe of folding bicycle |
-
2010
- 2010-04-27 CN CN2010101707539A patent/CN102233926A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11334671A (en) * | 1998-05-28 | 1999-12-07 | Abanteku:Kk | Bicycle serving also as cart |
| JP2004034845A (en) * | 2002-07-04 | 2004-02-05 | Kusuki Seisakusho:Kk | Foldable handlebar of bicycle |
| CN1488546A (en) * | 2002-10-08 | 2004-04-14 | ������������ʽ���� | Folding bicycle |
| US20060186641A1 (en) * | 2005-02-18 | 2006-08-24 | J.D Components Co., Ltd. | Combination vehicle frame |
| CN101130380A (en) * | 2006-08-25 | 2008-02-27 | 赵华胜 | Pin tooth transmission device and portable foldable bicycle using the transmission device |
| CN201670322U (en) * | 2010-04-27 | 2010-12-15 | 戚善鸣 | Front folding pipe of folding bicycle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730128A (en) * | 2012-07-18 | 2012-10-17 | 崔晓宏 | Turning-type folding handlebar |
| CN102730128B (en) * | 2012-07-18 | 2015-02-18 | 崔晓宏 | Turning-type folding handlebar |
| CN106428362A (en) * | 2016-11-16 | 2017-02-22 | 苏州速蝶科技有限公司 | High safety foldable reversetricycle |
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Address after: 225000 Gaoyou city of Jiangsu Province Yu Wen Road 76-305 room Applicant after: Qi Shanming Address before: 107 room 6, building 51, 225000 West Canal Road, Yangzhou, Jiangsu Applicant before: Qi Shanming |
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Application publication date: 20111109 |