CN103359236B - Folded bicycle - Google Patents
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- CN103359236B CN103359236B CN201310157226.8A CN201310157226A CN103359236B CN 103359236 B CN103359236 B CN 103359236B CN 201310157226 A CN201310157226 A CN 201310157226A CN 103359236 B CN103359236 B CN 103359236B
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Abstract
The present invention discloses a kind of folded bicycle, wherein, comprises front vehicle frame, Rear frame, fork, trace and control apparatus, and described front vehicle frame is installed in described Rear frame horizontally slidingly; The lower end of described fork is articulated in described front vehicle frame, and the upper end of described fork is articulated in seat support; The lower end of described trace is articulated in described Rear frame, is connected to described seat support the movable upper end of described trace; Described trace is crossing with the side projection of described fork; Described control apparatus to be installed in described Rear frame and to regulate the relatively described Rear frame of described front vehicle frame to stretch, and adjusts rising or the decline of described seat support by described fork and trace simultaneously.Folded bicycle of the present invention has folding convenient, Stability Analysis of Structures, saves parking space, advantage easy to carry.
Description
Technical field
The present invention relates to a kind of folded bicycle, particularly relate to a kind of folding convenient, Stability Analysis of Structures, save parking space, folding stand easy to carry.
Background technology
Along with the raising of people's living standard, the life idea of individual character, fashion, health, environmental protection starts to be rooted in the hearts of the people, the vehicle etc. of fashion environmental protection are again subject to pursuing of more and more people, and bicycle, battery-driven car also develop into a kind of fashion, healthy amusement tool movement from a kind of simple walking-replacing tool, medical instrument.
Existing Foldable electric vehicle, its folding mode is all comparatively simple, and the volume after folding is still larger, and when carrying out folding to vehicle body, complex operation step, especially for this just inconvenient personage of some health action, do so complicated folding work can be more difficult.
Based on above-mentioned deficiency, therefore, need a kind of folding convenient, Stability Analysis of Structures, save parking space, folded bicycle easy to carry.
Summary of the invention
The object of the present invention is to provide a kind of folding convenient, Stability Analysis of Structures, save parking space, folded bicycle easy to carry.
To achieve these goals, folded bicycle provided by the invention comprises front vehicle frame, Rear frame, fork, trace and control apparatus, and described front vehicle frame is installed in described Rear frame horizontally slidingly; The lower end of described fork is articulated in described front vehicle frame, and the upper end of described fork is articulated in seat support; The lower end of described trace is articulated in described Rear frame, is connected to described seat support the movable upper end of described trace; Described trace is crossing with the side projection of described fork; Described control apparatus to be installed in described Rear frame and to regulate the relatively described Rear frame of described front vehicle frame to stretch, and adjusts rising or the decline of described seat support by described fork and trace simultaneously.
Preferably, the middle part of described fork and the mutual pivot joint in middle part of described trace.By the mutual pivot joint in middle part by described fork and described trace, make described fork and coupled support more firm, structure is more stable.
Particularly, described in the upper end edge of described trace, the direction of slip of front vehicle frame is located on described seat support slidably.Because described fork becomes arranged in a crossed manner with described trace, when described front vehicle frame is slided, described trace and described fork rotate, and the upper end of described trace and described fork mutually away from, therefore, by making described trace be arranged at slidably on described seat support, ensure that described trace and fork can successfully rotate.
Particularly, described folded bicycle also comprises attaching parts, the lower end of described attaching parts and described trace pivot joint, upper end and described seat support pivot joint.Described attaching parts can when described fork and trace rotate automatic adjusting position, ensure that described trace and fork can successfully rotate, and keep the horizontality of described seat support.
Preferably, the upper end of described trace is articulated on described seat support.
Particularly, the upper end of described trace and described fork are articulated in described seat support coaxially; Described folded bicycle also comprises the second fork and the second trace, and described second fork is parallel with described fork, and the upper end of described second fork is articulated in described seat support, and lower end is articulated in described front vehicle frame; Described second trace is parallel with described trace, and described second trace upper end and described second fork are articulated in described seat support coaxially, and lower end is articulated in described Rear frame.By setting up described second fork and the second trace, make to form a parallelogram between described second fork, fork, front vehicle frame and seat support, make to form another parallelogram between described second trace, trace, Rear frame and seat support, the deformable structure of two parallelogram ensures the steady of described seat support.
Particularly, described trace offers elongated hole along the bearing of trend of the length of himself, and the middle part of described fork is fixed with pivot pin, and described pivot pin is arranged in described elongated hole slidably.
Preferably, the rear end of described front vehicle frame is fixed with an articulated part, described articulated part and described fork pivot joint.
Preferably, the middle part of described trace stretches out a junction, the end of described connecting portion and the middle part pivot joint of described fork.Arrange described connecting portion can make on the one hand described trace easily with described fork pivot joint, make to form a quadrilateral structure between described fork, trace, attaching parts and seat support on the other hand, thus under the driving of described fork, order about the distortion of this quadrilateral structure, and then described seat support is declined and folding.
Preferably, the bearing of trend of described connecting portion is vertical with described trace.
Preferably, described setting device is have mouth and mouth can to the retractor device of external extension, described retractor device is installed on described Rear frame, and mouth is connected with described front vehicle frame, and the telescopic direction of described mouth is identical with the direction of slip of described front vehicle frame.Utilize the mouth energy horizontal extension of described retractor device, thus drive described front vehicle frame in the rear vehicle frame to slidably reciprocate, and then drive described fork to swing, achieve on the one hand the object that front vehicle frame and Rear frame fold mutually, can drive described seat support folding again on the other hand, therefore, only a need step can completely by described folded bicycle folding simultaneously, avoid loaded down with trivial details control step, be very easy to the use of user.
Compared with prior art, because the present invention arranges described front vehicle frame and Rear frame, by making described front vehicle frame be installed on horizontally slidingly in described Rear frame, thus reach the foldable object of vehicle body; And, by arranging described fork and trace, the two ends of described fork are articulated in on described front vehicle frame and seat support respectively, and the two ends of described trace are connected on described Rear frame and seat support, thus realize, while vehicle body is folding, driving described seat support to fold together.Simplify control step, user-friendly; In addition, again by arranging control apparatus, by the distance regulating the relative Rear frame of described front vehicle frame flexible, thus reach the object that the height of described seat support is regulated, its people being applicable to different height is used, strengthens the applicability of folded bicycle of the present invention, make its broader applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of folded bicycle embodiment one of the present invention.
Fig. 2 is the lateral plan of folded bicycle embodiment one of the present invention.
Fig. 3 is the exploded drawings of folded bicycle embodiment one of the present invention.
Fig. 4 is the view of folded bicycle embodiment one of the present invention when folding.
Fig. 5 is the constitution diagram after the embodiment one of folded bicycle of the present invention folds.
Fig. 6 is the constructional drawing of folded bicycle embodiment two of the present invention.
Fig. 7 is the constructional drawing of folded bicycle embodiment three of the present invention.
Fig. 8 is the constructional drawing of folded bicycle embodiment four of the present invention.
Detailed description of the invention
For describing technology contents of the present invention, structural attitude, the effect that realizes in detail, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
As shown in Figures 1 to 4, the folded bicycle 100 of the embodiment of the present invention one comprises front vehicle frame 1, Rear frame 2, fork 3, trace 4, attaching parts 5, control apparatus, control stalk 7 and seat support 8.Described fork 3, trace 4 and attaching parts 5 are a pair, are arranged in the both sides of described Rear frame 2 respectively, thus form symmetrical structure to support the described seat support 8 being positioned at top.Described front vehicle frame 1 to be installed in described Rear frame 2 horizontally slidingly, particularly, described front vehicle frame 1 and Rear frame 2 all have two side levers, the side lever of described front vehicle frame and the side lever of described Rear frame are provided with slide rail, after the side lever of described front vehicle frame 1 coordinates with the side lever of described Rear frame 2, by the mutual slip of slide rail, described front vehicle frame 1 is slidably reciprocated along the bearing of trend of the side lever of described Rear frame 2.The rear end of described front vehicle frame 1 is fixed with an articulated part 11, and described articulated part 11 and the pivot joint of described fork 3, form pivoting point a.The upper end of described fork 3 is articulated in the front end of described seat support 8, forms pivoting point b; Described Rear frame 2 is fixed with battery bracket 21, and the lower end of described trace 4 is articulated in outside the battery bracket 21 of the front end of described Rear frame 2, forms pivoting point c, and described trace 4 is arranged across with described fork 3.The middle part of described trace 4 stretches out a junction 41, and the bearing of trend of described connecting portion 41 is vertical with described trace 4, the end of described connecting portion 41 and the middle part pivot joint of described fork 3, forms pivoting point d; Arrange described connecting portion 41 can make described trace 4 easily with the pivot joint of described fork 3.The lower end of described attaching parts 5 and described trace 4 pivot joint, form pivoting point e, the rear end pivot joint of upper end and described seat support 8, forms pivoting point f.Described control apparatus 6 to be installed in described Rear frame 2 and to regulate the distance that the relatively described Rear frame 2 of described front vehicle frame 1 is stretched out.Form a triangular structure between described pivoting point a, pivoting point c and pivoting point d, by driving described fork 3, just this leg-of-mutton structure of adjustable, makes the height reduction of this triangular structure and folding.Form a quadrilateral structure between described pivoting point b, pivoting point d, pivoting point e and pivoting point f, swing described fork 3, just this quadrilateral structure of adjustable, make the height reduction of this quadrilateral structure and folding.By above-mentioned triangular structure and quadrilateral structure and then make described seat support 8 height-adjustable.
As shown in Figures 3 and 4, described setting device is have mouth and mouth can to the retractor device of external extension, described retractor device 6 is installed on described Rear frame 2, and mouth is connected with described front vehicle frame 1, the telescopic direction of described mouth is identical with the direction of slip of described front vehicle frame 1, and described retractor device is electric pushrod 6.The mouth energy horizontal extension of described electric pushrod 6, described front vehicle frame 1 can be driven in the rear vehicle frame 2 to slidably reciprocate, and then drive described fork 3 to swing, and accurately can control the output length of push rod, therefore, utilize described electric pushrod 6 to drive described front vehicle frame 1, achieve the object that front vehicle frame 1 and Rear frame 2 can be folded seat support 8 described in folding simultaneously by a step mutually on the one hand, avoid loaded down with trivial details control step, be very easy to the use of user; Make the scalable certain distance of the relatively described Rear frame 2 of described front vehicle frame 1 on the other hand, thus make described seat support 8 increase or decline certain altitude, reach the object that the height of described seat support 8 is regulated, its people being applicable to different height is used.Certainly, setting device of the present invention also can be other linear actuating device, or also can other forms, such as, a blocking device is established between described front vehicle frame 1 or Rear frame 2, after the relatively described Rear frame 2 of described front vehicle frame 1 slides certain distance, front vehicle frame 1 and Rear frame 2 lock by blocking device, and this form also can reach the object opened by folded bicycle; Also can offer the lock hole of multiple correspondence in described front vehicle frame 1 and Rear frame 2, just described front vehicle frame 1 and Rear frame 2 can be locked etc. by a pivot pin.
Comprehensively above-mentioned, and composition graphs 4 and Fig. 5, the folding principle of the folded bicycle 100 of the embodiment of the present invention one is as follows:
Fig. 1 illustrates state when described folded bicycle 100 is opened completely, when described in needs folding during folded bicycle 100, only need to start described electric pushrod 6 by the control system be electrically connected with described electric pushrod 6, the mouth of described electric pushrod 6 just can to inside contracting, thus promote described front vehicle frame 1 along the horizontal slip of described Rear frame 2, while described front vehicle frame 1 slip is overlapping with described Rear frame 2, the lower end of described fork 3 and pivoting point a is driven to move, described pivoting point a is away from pivoting point c, thus described fork 3 is rotated counterclockwise, and described pivoting point b and described pivoting point e mutually away from, described trace 4 rotates clockwise, now, the height of described three-legged structure declines, and described quadrangle occurs to become table, described seat support 8 is declined.After described electric pushrod 6 shortens completely, described front vehicle frame 1 overlaps completely with described Rear frame 2, bodywork length shortens half, described trace 4 and described fork 3 are roughly in transverse state, described seat support 8 is positioned at nadir, now, then by seat and control stalk 7 folding, can completely described folded bicycle 100 be folded.When folded bicycle 100 described in made a call to by needs, a key is only needed to start described electric pushrod 6, make the mouth of described electric pushrod 6 protruding, under the promotion of electric pushrod 6, described front vehicle frame 1, fork 3, trace 4 and attaching parts 5 launch, expansion process is contrary with folding process, can open described folded bicycle 100 completely after described electric pushrod 6 stretches out completely.In addition, because the mouth of described electric pushrod 6 can partly stretch out, therefore, the output length of described electric pushrod 6 can be regulated when opening folded bicycle, described electric pushrod 6 is such as made only to stretch out 1/2nd, thus make the relatively described Rear frame 2 of described front vehicle frame 1 stretch out 1/2nd, whole bodywork length is shortened, simultaneously, the height of described seat support 6 only raises 1/2nd, now, the build of whole folded bicycle 100 diminishes, and just can be applicable to the less people of stature or children's use.
Compared with prior art, because the present invention arranges described front vehicle frame 1 and Rear frame 2, by making described front vehicle frame 1 be installed on horizontally slidingly in described Rear frame 2, thus reach the foldable object of vehicle body; And, by arranging described fork 3, trace 4 and attaching parts 5, make the two ends of described fork 3 respectively with the rear end of described front vehicle frame 1 and the front end pivot joint of seat support 8, the front end pivot joint of described trace 4 and described Rear frame 2, the two ends of described attaching parts 5 respectively with the upper end of described trace 4 and the rear end pivot joint of seat support 8, thus realize, while vehicle body is folding, driving described seat support 8 to fold together.Simplify control step, user-friendly; In addition, again by arranging electric pushrod 6, the distance of stretch out and draw back of the relative Rear frame 2 of described front vehicle frame 1 is regulated by the retractable of electric pushrod 6, thus reach the object that the height of described seat support 8 is regulated, its people being applicable to different height is used, enhance the applicability of folded bicycle 100 of the present invention, can broader applications.
As shown in Figure 6, the folded bicycle of the embodiment of the present invention two comprises described front vehicle frame 1, Rear frame 2, fork 3, trace 4, seat support 8 and the electric pushrod (not shown) in embodiment one; The upper end of described fork 3 is articulated in the front end of described seat support 8, and lower end is articulated in the rear end of described front vehicle frame 1.The sidewall of described seat support 8 offers elongated hole 81, and the direction of slip of front vehicle frame 1 described in the upper end edge of described trace 4 is located in described elongated hole 81 slidably, and described elongated hole 81 can ensure that described trace 4 can successfully rotate with fork 3.The lower end of described trace 4 is articulated in the front end of described Rear frame 2.The middle part of described fork 3 and the mutual pivot joint in middle part of described trace 4, described fork 3 becomes cross-like each other with described trace 4.By the mutual pivot joint in middle part by described fork 3 and described trace 4, described fork 3 and trace 4 are supported more firm, structure is more stable.
Described in the present embodiment during folded bicycle folding or when adjusting the height of described seat support 8, only need control described electric pushrod, and then make the horizontal slip on vehicle frame 2 in the rear of described front vehicle frame 1, described fork 3 rotates with described trace 4 simultaneously downward or upward, the upper end of described trace 4 just slidably reciprocates in described elongated hole 81, now, described seat support 8 can rise or decline, when the mouth of described electric pushrod is reduced to the most in short-term, described front vehicle frame 1 is overlapping with Rear frame 2, described seat support 8 can drop to nadir, and described folded bicycle can complete folding.
As shown in Figure 7, the folded bicycle of the embodiment of the present invention three comprises described front vehicle frame 1, Rear frame 2, fork 3, trace 4, seat support 8 and electric pushrod (not shown) in embodiment one, and described folded bicycle also comprises the second fork 3 ' and the second trace 4 '.The upper end of described fork 3 is articulated in the rear end of described seat support 8, and lower end is articulated in the rear end of described front vehicle frame 1.The upper end of described trace 4 and described fork 3 are articulated in the rear end of described seat support 8 coaxially, and lower end is articulated in described Rear frame 2.Described second fork 3 ' is parallel with described fork 3, and upper end is articulated in the front end of described seat support 8, and lower end is articulated in described front vehicle frame 1.Described second trace 4 ' is parallel with described trace 4, and the upper end of upper end and described second fork 3 ' is articulated in the front end of described seat support 8 coaxially, and lower end is articulated in the front end of described Rear frame 2.A parallelogram is formed between described second fork 3 ', fork 3, front vehicle frame 1 and seat support 8, form another parallelogram between described second trace 4 ', trace 4, Rear frame 2 and seat support 8, the deformable structure of two parallelogram ensures the steady of described seat support 8.
Described in the present embodiment during folded bicycle folding or when adjusting the height of described seat support 8, only need control described electric pushrod, and then make the horizontal slip on vehicle frame 2 in the rear of described front vehicle frame 1, the upper end of described fork 3 is rotated downward or upward, described trace 4 rotates in reverse direction downward or upward relative to described fork 3, described second fork 3 ' and the second trace 4 ' rotate with described fork 3 and trace 4 Tongfang respectively simultaneously, now, described seat support 8 can rise or decline, when the mouth of described electric pushrod is reduced to the most in short-term, described front vehicle frame 1 is overlapping with Rear frame 2, described seat support 8 can drop to nadir, described folded bicycle can complete folding.
As shown in Figure 8, the folded bicycle of the embodiment of the present invention four comprises described front vehicle frame 1, Rear frame 2, fork 3, trace 4, seat support 8 and the electric pushrod (not shown) in embodiment one.The upper end of described fork 3 is articulated in the front end of described seat support 8, and lower end is articulated in the rear end of described front vehicle frame 1.The upper end of described trace 4 is articulated in the rear end of seat support 8, lower end is articulated in the front end of described Rear frame 2, described fork 3 and the cross-shaped state of described trace 4, himself the bearing of trend of length of the upper end edge of described trace 4 offers elongated hole 4a, the middle part of described fork 3 is fixed with pivot pin 3a, and described pivot pin 31 is arranged in described elongated hole 4a slidably.
Described in the present embodiment during folded bicycle folding or when adjusting the height of described seat support 8, control described electric pushrod, make the horizontal slip on vehicle frame 2 in the rear of described front vehicle frame 1, drive the lower end of described fork 3 to move, thus the upper end of described fork 3 is rotated downward or upward; Meanwhile, described trace 4 rotates downward or upward, and now, described pivot pin 3a slides in described elongated hole 4a, to adapt to the relative position of described fork 3 and trace 4; At this moment, described seat support 8 can rise or decline.When the mouth of described electric pushrod is reduced to the most in short-term, described front vehicle frame 1 is overlapping with Rear frame 2, and described seat support 8 can drop to nadir, and described folded bicycle can complete folding.
Above disclosedly be only preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (10)
1. a folded bicycle, is characterized in that: comprise front vehicle frame, Rear frame, fork, trace and control apparatus, and described front vehicle frame is installed in described Rear frame horizontally slidingly; The lower end of described fork is articulated in described front vehicle frame, and the upper end of described fork is articulated in seat support; The lower end of described trace is articulated in described Rear frame, is connected to described seat support the movable upper end of described trace; Described trace is crossing with the side projection of described fork; Described control apparatus to be installed in described Rear frame and to regulate the relatively described Rear frame of described front vehicle frame to stretch, and adjusts rising or the decline of described seat support by described fork and trace simultaneously.
2. folded bicycle as claimed in claim 1, is characterized in that: the middle part of described fork and the mutual pivot joint in middle part of described trace.
3. folded bicycle as claimed in claim 2, is characterized in that: described in the upper end edge of described trace, the direction of slip of front vehicle frame is arranged on described seat support slidably.
4. folded bicycle as claimed in claim 2, is characterized in that: described folded bicycle also comprises attaching parts, the lower end of described attaching parts and described trace pivot joint, upper end and described seat support pivot joint.
5. folded bicycle as claimed in claim 1, is characterized in that: the upper end of described trace is articulated on described seat support.
6. folded bicycle as claimed in claim 5, is characterized in that: upper end and the described fork of described trace are articulated in described seat support coaxially; Described folded bicycle also comprises the second fork and the second trace, and described second fork is parallel with described fork, and the upper end of described second fork is articulated in described seat support, and lower end is articulated in described front vehicle frame; Described second trace is parallel with described trace, and described second trace upper end and described second fork are articulated in described seat support coaxially, and lower end is articulated in described Rear frame.
7. folded bicycle as claimed in claim 5, it is characterized in that: described trace offers elongated hole along the bearing of trend of the length of himself, the middle part of described fork is fixed with pivot pin, and described pivot pin is arranged in described elongated hole slidably.
8. folded bicycle as claimed in claim 1, is characterized in that: the rear end of described front vehicle frame is fixed with an articulated part, described articulated part and described fork pivot joint.
9. folded bicycle as claimed in claim 1, is characterized in that: the middle part of described trace stretches out a junction, the end of described connecting portion and the middle part pivot joint of described fork.
10. folded bicycle as claimed in claim 1, it is characterized in that: described setting device is have mouth and mouth can to the retractor device of external extension, described retractor device is installed on described Rear frame, and mouth is connected with described front vehicle frame, the telescopic direction of described mouth is identical with the direction of slip of described front vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157226.8A CN103359236B (en) | 2013-04-28 | 2013-04-28 | Folded bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157226.8A CN103359236B (en) | 2013-04-28 | 2013-04-28 | Folded bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103359236A CN103359236A (en) | 2013-10-23 |
| CN103359236B true CN103359236B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310157226.8A Active CN103359236B (en) | 2013-04-28 | 2013-04-28 | Folded bicycle |
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| CN (1) | CN103359236B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085480A (en) * | 2014-05-09 | 2014-10-08 | 浙江乐客来机械有限公司 | Portable three-wheeled electric vehicle |
| CN104029773A (en) * | 2014-05-09 | 2014-09-10 | 浙江乐客来机械有限公司 | Three-wheel electric vehicle convenient to store |
| CN104029772A (en) * | 2014-05-09 | 2014-09-10 | 浙江乐客来机械有限公司 | Folding storage method of portable electric tricycle |
| CN104691683B (en) * | 2014-12-30 | 2017-05-24 | 东莞威信运动用品有限公司 | Folding drive structure of folding bicycle |
| CN106275197B (en) * | 2015-05-27 | 2018-11-06 | 电能有限公司 | Folding electric walk instead bassinet structure |
| CN106275196A (en) * | 2015-05-27 | 2017-01-04 | 电能有限公司 | The body frame structure for automotive of folding folding |
| CN105197157B (en) * | 2015-10-14 | 2018-02-09 | 江苏金彭车业有限公司 | A kind of extension type electric car |
| CN106043563B (en) * | 2016-07-21 | 2019-05-21 | 东莞威信运动用品有限公司 | Folding stand |
| CN106275143A (en) * | 2016-09-26 | 2017-01-04 | 崔学涛 | A kind of six axle foldable structures |
| CN106585819A (en) * | 2016-12-21 | 2017-04-26 | 南京金百合医疗器械有限公司 | One-key folding scooter |
| CN106741349A (en) * | 2017-03-21 | 2017-05-31 | 苏州万科星机械制造有限公司 | A kind of seat slide switching mechanism |
| TWI614175B (en) * | 2017-05-05 | 2018-02-11 | 伍氏科技股份有限公司 | Foldable frame of an electric-scooter |
| CN107933792A (en) * | 2017-11-03 | 2018-04-20 | 深圳市源创无限科技有限公司 | A kind of scheduled bus that length of wagon is adjusted based on linkage mechanism companding |
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| CN103359236A (en) | 2013-10-23 |
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Effective date of registration: 20221024 Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong Qunwang Technology Co.,Ltd. Address before: 523000 Weixin Sporting Goods Co., Ltd., Qiaotou Third Industrial Zone, Houjie Town, Dongguan City, Guangdong Province Patentee before: Wu Jiqun |
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