CN203975124U - New bicycle - Google Patents
New bicycle Download PDFInfo
- Publication number
- CN203975124U CN203975124U CN201420331396.3U CN201420331396U CN203975124U CN 203975124 U CN203975124 U CN 203975124U CN 201420331396 U CN201420331396 U CN 201420331396U CN 203975124 U CN203975124 U CN 203975124U
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- Prior art keywords
- lever
- rotating shaft
- pulley
- vehicle frame
- chain
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Abstract
The utility model discloses a kind of new bicycle, comprise by vehicle frame, handlebar, vehicle seat, front vehicle wheel, rear wheel, pedal device, be located at the head sprocket driving on pedal device and by pedal device and be located at the bicycle body forming from sprocket wheel, the lever swing drive system that also comprise telescopic vertical lever, is connected with lever top and the rotating sprocket being connected with lever bottom driving by connecting rod mechanism at rear wheel wheel shaft place.The utility model is that one is utilized lever force-saving principle, reaches the new bicycle of laborsaving speed-raising object.The utility model is that one is utilized lever force-saving principle, plays labour-saving effect, and can improve the new bicycle of interest, energy-conserving and environment-protective.
Description
Technical field
The utility model belongs to manpower and drives field of vehicles, especially a kind of new bicycle.
Background technology
Most of manpower conventional in existing daily life drives the vehicle, the manpower transportation's operation that still utilizes traditional pedal device band movable sprocket to drive.Require great effort by pedal device drive ratio, effectively lifting car line speed.
Utility model content
The purpose of this utility model is to provide one and utilizes lever force-saving principle, plays labour-saving effect, and can improve the new bicycle of interest, energy-conserving and environment-protective.
For achieving the above object, the utility model adopts following technical scheme: new bicycle, comprise by vehicle frame, handlebar, vehicle seat, front vehicle wheel, rear wheel, pedal device, be located at the head sprocket driving on pedal device and by pedal device and the bicycle body forming from sprocket wheel of being located at rear wheel wheel shaft place, also comprise telescopic vertical lever, the lever swing drive system being connected with lever top and the rotating sprocket being connected with lever bottom driving by connecting rod mechanism, lever bottom and vehicle frame are hinged, rotating sprocket by driving chain be connected from chain sprocket drive, lever swing drive system comprises the upper erecting frame of the front and back horizontal expansion that is positioned at vehicle frame top, chain rope actuating device, gear converter device and pulling device, described chain rope actuating device comprises the first assembly pulley, chain rope and the first sprocket wheel, the first assembly pulley is arranged on erecting frame, the described chain rope closed loop body that the docking of rope body and the first chain forms of serving as reasons, described gear shift device comprises swinging mounting, swinging mounting is provided with the first rotating shaft and the second rotating shaft, in the first rotating shaft and in the second rotating shaft, respectively arrange one and be meshed from gear from gear and two, the first sprocket wheel is driven by the first rotating shaft, swinging mounting by jointed shaft and vehicle frame is hinged and this jointed shaft between the first rotating shaft and the second rotating shaft, two can swing around this jointed shaft from gear, vehicle frame is provided with can be respectively and arbitrary main gear engaging from gear, the gear wheel shaft of main gear drives the second sprocket wheel, and head sprocket is connected with the second sprocket wheel by the second chain, described pulling device comprise one by lever drives and can before and after the slide plate that slides, slide plate rear side is by first rope body tractive the first rotating shaft, slide plate front side is by second rope body tractive the second rotating shaft, on described chain rope, the rope body of part is the setting of front and back horizontal expansion shape by the first assembly pulley, under chain rope, the first chain of part vertically extends and is arranged on the first sprocket wheel, described lever top is fixedly connected with the rope body of the horizontal expansion of part on chain rope, Wei Shang junction, junction between lever top and chain rope, the junction of connecting rod mechanism and lever is junction, bottom, the place of being articulated and connected of lever bottom and vehicle frame is junction, bottom, and upper junction, junction, bottom and junction, bottom are for setting gradually from top to bottom.
Described connecting rod mechanism is quadric linkage.
Described quadric linkage comprises connecting rod and the crank with rod hinge connection, the bottom-hinged of connecting rod one end and lever, the hinged place of connecting rod and lever is positioned at the upside of lever and vehicle frame hinged place, crank is provided with bending part, described rotating sprocket is arranged on this bending part, the hinged place of connecting rod and crank and the axis of bending part are set for the eccentric, and bending part is arranged on vehicle frame by bearing.
Described slide plate middle part is provided with jack, and lever passes from the jack at slide plate middle part.
Pulling device also comprises the second assembly pulley being arranged on vehicle frame, the second assembly pulley comprises the second pulley and the 3rd pulley that are positioned at the first pulley of slide plate front side and are all positioned at vehicle seat downside, the second pulley and the 3rd pulley are between left and right every setting, the first rope body middle part is walked around from the 3rd pulley, and the second rope body is walked around from the first pulley and the second pulley successively.
An iron block is respectively established at the forward and backward two ends of described slide plate, two magnet that the two iron block settings at the forward and backward two ends of the corresponding slide plate of vehicle frame can be respectively inhaled mutually with two iron blocks.
Described lever comprises the expansion link, framework and the montant that set gradually from top to bottom, and the top of expansion link is fixedly connected with chain rope, and described framework is provided with and can passes personal frame mouth, and the bottom of montant is hinged on the vehicle frame of head sprocket front side.
New bicycle described in the utility model, by utilizing this principle of lever force-saving, chain rope belt moves lever top swing, make lever drive rotating sprocket by connecting rod mechanism, rotating sprocket drives from sprocket wheel again, Wei Shang junction, junction between lever top and chain rope, the junction of connecting rod mechanism and lever is junction, bottom, the place of being articulated and connected of lever and vehicle frame is junction, bottom, upper junction, junction, bottom and junction, bottom are for setting gradually from top to bottom, junction, bottom is equivalent to the fulcrum of lever, the arm of force that chain rope applies power to lever top is the distance of upper junction to fulcrum, the arm of force of the power of lever pushing connecting rod mechanism is the distance of junction, bottom to fulcrum, upper junction is greater than the distance of junction, bottom to fulcrum to the distance of fulcrum, so according to the principle of lever, chain rope applies less thrust to lever top can make lever pushing connecting rod mechanism, then drive rotating sprocket, can reach labour-saving object.Described pulling device can drive the first rope body and the second rope body to pull successively respectively the first rotating shaft and the second rotating shaft by moving forward and backward of slide plate, make being meshed with main gear successively from gear from gear and the second rotating shaft in the first rotating shaft, make the first rotating shaft all the time in rotary state and for forward and backward reciprocating rotation, make the first sprocket wheel drive chain rope, chain rope drives the swing of lever top again.New bicycle described in the utility model; drive the vehicle more laborsaving than traditional manpower; and there is interest and environmental protection and energy saving; can alleviate the dependence of people to High-Speed Power Vehicle in daily life; the popularization of the final green traffic instrument to energy-conserving and environment-protective; play great impetus, thereby be conducive to the protection of earth environment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of swinging mounting;
Fig. 3 is the structural representation of tooth bar transfer device;
Fig. 4 is the structural representation of quadric linkage;
Fig. 5 is the right elevation of Fig. 4;
Fig. 6 is the structural representation of slide plate.
Detailed description of the invention
By the new bicycle shown in Fig. 1-Fig. 6, comprise by vehicle frame 2, handlebar 3, vehicle seat 34, front vehicle wheel 1, rear wheel 15, pedal device 19, be located at the head sprocket 20 driving on pedal device 19 and by pedal device 19 and be located at the bicycle body forming from sprocket wheel 16 at rear wheel 15 wheel shaft places, new bicycle also comprises telescopic vertical lever, the lever swing drive system being connected with lever top and the rotating sprocket 22 being connected with lever bottom driving by connecting rod mechanism.
Lever is located between vehicle frame 2 and vehicle seat 34, described lever comprises the expansion link 6, framework 35 and the montant 31 that set gradually from top to bottom, expansion link 6 is vertical setting, described framework 35 is provided with and can passes personal frame mouth, the bottom of montant 31 is hinged on the vehicle frame 2 of head sprocket 20 front sides, be that lever bottom and vehicle frame 2 are hinged, the place of being articulated and connected of lever bottom and vehicle frame 2 is junction, bottom C.
Lever swing drive system comprises the horizontally extending upper erecting frame 4 in front and back, chain rope actuating device, gear converter device and the pulling device that are positioned at vehicle frame 2 tops.
Described vehicle frame 2 is provided with the vertical column 10 that is positioned at vehicle seat 34 rear sides, and this column 10 is rectangular column, and certainly, the utility model is not limited to above-mentioned form, and column 10 also can be framework 35 formula structures.Described upper erecting frame 4 is installed in the top of column 10.
Described chain rope actuating device comprises the first assembly pulley, chain rope and the first sprocket wheel 12, the first assembly pulley is arranged on erecting frame 4, the first assembly pulley comprises the 4th pulley 5, the 5th pulley 8 and the 6th pulley 9, wherein, the 4th pulley 5 is located at the front end of erecting frame 4, and erecting frame 4 rear portions are all located at by the 5th pulley 8 and the 6th pulley 9 and both intervals, contour front and back arrange.The corresponding below of being located at the 5th pulley 8 and the 6th pulley 9 of described the first sprocket wheel 12.The described chain rope closed loop body that rope body 7 and the docking of the first chain 11 form of serving as reasons: the two ends that the first chain 11 is docked respectively at the two ends of rope body 7.On chain rope, the rope body 7 of part is front and back horizontal-extending shape setting by the first assembly pulley, under chain rope, the first chain 11 of part vertically extends and is arranged on the first sprocket wheel 12, the two ends that the rope body 7 of chain rope is walked around after the 4th pulley 5 are walked around respectively the 5th pulley 8 and the 6th pulley 9 again, and dock with the two ends of the first chain 11 respectively, make thus whole chain rope be " L " type.Described lever top is fixedly connected with the wall scroll rope body 7 of the horizontal expansion of part on chain rope, in the time that rope body 7 moves forward and backward, can drive lever top to move forward and backward, again due to lever bottom and vehicle frame 2 is hinged and lever is scalable, can make lever top around junction, bottom C swing certain angle.
Described gear shift device comprises swinging mounting, swinging mounting is provided with the first rotating shaft 41, the second rotating shaft 42 and jointed shaft 46, swinging mounting by jointed shaft 46 and vehicle frame 2 is hinged and this jointed shaft 46 between the first rotating shaft 41 and the second rotating shaft 42, the first rotating shaft 41 is positioned at the upside of the second rotating shaft 42 and both and is left and right horizontal and extends, in the first rotating shaft 41, arrange one from gear 13, in the second rotating shaft 42, be also provided with one from gear 13, in the first rotating shaft 41, be positioned at the upside from gear 13 the second rotating shaft 42 from gear 13, in the first rotating shaft 41 from gear 13 and being meshed from gear 13 the second rotating shaft 42, the first sprocket wheel 12 is arranged in the first rotating shaft 41 and by the first rotating shaft 41 and drives, between the first rotating shaft 41 and the second rotating shaft 42, be provided with pipe link 43, pipe link 43 tops are connected with the first rotating shaft 41 by a bearing, pipe link 43 bottoms are connected with the second rotating shaft 42 by another bearing, so top of pipe link 43, bottom respectively correspondence is provided with the bearing seat 44 for settling the first rotating shaft 41 head bearings and the second rotating shaft 42 head bearings, bearing is all arranged in corresponding axis bearing 44.Described pipe link 43 is altogether between left and right every arranging two, between two pipe links 43, be installed with the described jointed shaft 46 that left and right horizontal is extended, the parallel middle of being located between the first rotating shaft 41 and the second rotating shaft 42 and being positioned at both of jointed shaft 46, the outer ring sleeve of jointed shaft 46 is provided with sleeve 45, sleeve 45 is installed on column 10, jointed shaft 46 and whole swinging mounting all can be rotated around the axis of jointed shaft 46, like this, two can be around these jointed shaft 46 swings from gear 13, in the time being rocked to front side from gear 13 in the first rotating shaft 41, in the second rotating shaft 42, be rocked to rear side from gear 13, in the time being rocked to front side from gear 13 in the second rotating shaft 42, in the first rotating shaft 41, be rocked to rear side from gear 13.
Vehicle frame 2 is provided with can be respectively and arbitrary main gear engaging from gear 13 37, the gear wheel shaft 40 of described main gear 37 is also arranged on column 10 by bearing, main gear 37 is positioned at front side and two front sides from gear 13 of swinging mounting, in the time being rocked to front side from gear 13 in the first rotating shaft 41, main gear 37 engages from gear 13 with in the first rotating shaft 41, in the time being rocked to front side from gear 13 in the second rotating shaft 42, main gear 37 engages from gear 13 with in the second rotating shaft 42.The gear wheel shaft 40 that the gear wheel shaft 40 of described main gear 37 is provided with the second sprocket wheel 36 and main gear 37 drives the second sprocket wheel 36, and described head sprocket 20 is connected with the second sprocket wheel 36 by the second chain 14.
Described pulling device comprise one by lever drives and can before and after slide slide plate 32, slide plate 32 is on the vehicle frame 2 between handlebar 3 and vehicle seat 34, slide plate 32 is specifically arranged on the front truck beam 26 of vehicle frame 2, front truck beam 26 is provided with two groups of locationss, every group of locations comprises two locating pieces 30 that left and right is relative, the slideway extending before and after forming between relative two locating pieces 30 in described left and right, slide plate 32 is between two relative locating pieces 30 of left and right, be that slide plate 32 is positioned at slideway and can before and after slideway, slides, slide plate 32 is the Long Circle plate of front and back horizontal expansion, slide plate 32 middle parts are provided with jack, also the corresponding Long Circle hole 47 that is provided with on front truck beam 26, the montant 31 of lever passes successively from the jack at slide plate 32 middle parts and the Long Circle hole 47 of vehicle in front, the aperture of described jack is a bit larger tham the diameter of montant 31, lever is in the time of swing, its montant 31 can promote slide plate 32 and move forward and backward, montant 31 can be in the interior swing in Long Circle hole 47.An iron block 29 is respectively established at the forward and backward two ends of described slide plate 32, two magnet 28 that on the front truck beam 26 of vehicle frame 2, two iron blocks 29 setting at corresponding slide plate 32 forward and backward two ends can be respectively inhaled mutually with two iron blocks 29, in two magnet 28 on front truck beam 26 one be positioned at the front side of front end iron block 29 and can also can inhale mutually with rear end iron block 29 with the rear side that front end iron block 29 is inhaled mutually, another is positioned at rear end iron block 29.Pulling device also comprises the second assembly pulley being arranged on vehicle frame 2, the second assembly pulley comprises the second pulley 18 and the 3rd pulley 33 that are positioned at the first pulley 27 of slide plate 32 front sides and are all positioned at vehicle seat 34 downsides, the first pulley 27 is located on the vehicle frame 2 of slide plate 32 front sides, the second pulley 18 and the 3rd pulley 33 are between left and right every setting, slide plate 32 rear sides are by first rope body 38 tractive the first rotating shafts 41, slide plate 32 front sides are by second rope body 39 tractive the second rotating shafts 42, the first rope body 38 front ends are fixed on slide plate 32 rear ends, the first rope body 38 middle parts are walked around from the 3rd pulley 33, the first rope body 38 rear ends are fixed on the bearing seat 44 on pipe link 43 tops and tractive the first rotating shaft 41, the second rope body 39 front ends are fixed on slide plate 32 front ends, walk around from the first pulley 27 and the second pulley 18 successively again, the second rope body 39 rear ends are fixed on the bearing seat 44 of pipe link 43 bottoms and tractive the second rotating shaft 42.Slide plate 32 connects the first rope body 38, the first rope body 38 connects swinging mounting, swinging mounting connects the second rope body 39, the second rope body 39 connects slide plate 32 again, thus, slide plate 32, the first rope body 38, swinging mounting and the second rope body 39 connect and compose a close loop mechanism successively, in the time that lever drives slide plate 32 moves forward and backward, the direction of draw of the first rope body 38 and the second rope body 39 is always contrary, under the tractive of the first rope body 38 and the second rope body 39, in the first rotating shaft 41, from gear 13 and the second rotating shaft 42, move forward successively and engage with main gear 37 from gear 13.
Described connecting rod mechanism is quadric linkage, quadric linkage comprises connecting rod 21 and the crank 23 hinged with connecting rod 21, the bottom-hinged of connecting rod 21 rear ends and lever, the bottom of lever is the bottom of montant 31, the hinged place of connecting rod 21 and lever is positioned at the upside of lever and vehicle frame 2 hinged places, crank 23 is " U " type part that opening part two ends are provided with bending part 25 respectively, described two bending parts 25 are to the outer bending of crank 23, two bending parts 25 are arranged on vehicle frame 2 by bearing respectively for conllinear setting and two bending parts 25, the U-shaped portion of crank 23 is divided and can be rotated around the axis border of bending part 25, on vehicle frame 2, the U-shaped portion of corresponding crank 23 is arranged with and can makes the U-shaped portion of crank 23 divide the rotation of passing through by mouth 24, and rotating sprocket 22 is also positioned at and rotates by mouth 24, described rotating sprocket 22 is arranged on wherein on the bending part 25 in left side, the position of the end of connecting rod 21 and crank 23U shape bottom is hinged, connecting rod 21 is set for the eccentric with the hinged place of crank 23 and the axis of bending part 25.Described rotating sprocket 22 by driving chain 17 be in transmission connection from sprocket wheel 16.
Wei Shang junction, fixed connection place A between lever top and chain rope, the B of the place of being articulated and connected of connecting rod mechanism and lever is junction, bottom, upper junction A, junction, bottom B and junction, bottom C are for setting gradually from top to bottom.The distance of upper junction A to the distance of junction, bottom B much larger than junction, bottom B to junction, bottom C.
New bicycle described in the utility model, by utilizing this principle of lever force-saving, chain rope belt moves lever top swing, make lever drive rotating sprocket 22 by connecting rod mechanism, rotating sprocket 22 drives from sprocket wheel 16 again, Wei Shang junction, junction between lever top and chain rope, the junction of connecting rod mechanism and lever is junction, bottom, the place of being articulated and connected of lever and vehicle frame 2 is junction, bottom, upper junction, junction, bottom and junction, bottom are for setting gradually from top to bottom, junction, bottom is equivalent to the fulcrum of lever, the arm of force that chain rope applies power to lever top is the distance of upper junction to fulcrum, the arm of force of the power of lever pushing connecting rod mechanism is the distance of junction, bottom to fulcrum, upper junction is greater than the distance of junction, bottom to fulcrum to the distance of fulcrum, so according to the principle of lever, chain rope applies less thrust to lever top can make lever pushing connecting rod mechanism, then drive rotating sprocket 22, can reach labour-saving object.Described pulling device can drive the first rope body 38 and the second rope body 39 to pull successively respectively the first rotating shaft 41 and the second rotating shaft 42 by moving forward and backward of slide plate 32, make being meshed with main gear 37 successively from gear 13 from gear 13 and the second rotating shaft 42 in the first rotating shaft 41, make the first rotating shaft 41 all the time in rotary state and for forward and backward reciprocating rotation, make the first sprocket wheel 12 drive chain rope, chain rope drives the swing of lever top again.New bicycle described in the utility model, drives the vehicle more laborsaving than traditional manpower, and has interest and environmental protection and energy saving.
Claims (7)
1. new bicycle, comprise by vehicle frame, handlebar, vehicle seat, front vehicle wheel, rear wheel, pedal device, be located at the head sprocket driving on pedal device and by pedal device and the bicycle body forming from sprocket wheel of being located at rear wheel wheel shaft place, it is characterized in that: also comprise telescopic vertical lever, the lever swing drive system being connected with lever top and the rotating sprocket being connected with lever bottom driving by connecting rod mechanism, lever bottom and vehicle frame are hinged, rotating sprocket by driving chain be connected from chain sprocket drive, lever swing drive system comprises the upper erecting frame of the front and back horizontal expansion that is positioned at vehicle frame top, chain rope actuating device, gear converter device and pulling device, described chain rope actuating device comprises the first assembly pulley, chain rope and the first sprocket wheel, the first assembly pulley is arranged on erecting frame, the described chain rope closed loop body that the docking of rope body and the first chain forms of serving as reasons, described gear shift device comprises swinging mounting, swinging mounting is provided with the first rotating shaft and the second rotating shaft, in the first rotating shaft and in the second rotating shaft, respectively arrange one and be meshed from gear from gear and two, the first sprocket wheel is driven by the first rotating shaft, swinging mounting by jointed shaft and vehicle frame is hinged and this jointed shaft between the first rotating shaft and the second rotating shaft, two can swing around this jointed shaft from gear, vehicle frame is provided with can be respectively and arbitrary main gear engaging from gear, the gear wheel shaft of main gear drives the second sprocket wheel, and head sprocket is connected with the second sprocket wheel by the second chain, described pulling device comprise one by lever drives and can before and after the slide plate that slides, slide plate rear side is by first rope body tractive the first rotating shaft, slide plate front side is by second rope body tractive the second rotating shaft, on described chain rope, the rope body of part is the setting of front and back horizontal expansion shape by the first assembly pulley, under chain rope, the first chain of part vertically extends and is arranged on the first sprocket wheel, described lever top is fixedly connected with the rope body of the horizontal expansion of part on chain rope, Wei Shang junction, junction between lever top and chain rope, the junction of connecting rod mechanism and lever is junction, bottom, the place of being articulated and connected of lever bottom and vehicle frame is junction, bottom, and upper junction, junction, bottom and junction, bottom are for setting gradually from top to bottom.
2. new bicycle as claimed in claim 1, is characterized in that: described connecting rod mechanism is quadric linkage.
3. new bicycle as claimed in claim 2, it is characterized in that: described quadric linkage comprises connecting rod and the crank with rod hinge connection, the bottom-hinged of connecting rod one end and lever, the hinged place of connecting rod and lever is positioned at the upside of lever and vehicle frame hinged place, crank is provided with bending part, described rotating sprocket is arranged on this bending part, and the hinged place of connecting rod and crank and the axis of bending part are set for the eccentric, and bending part is arranged on vehicle frame by bearing.
4. new bicycle as claimed in claim 1, is characterized in that: described slide plate middle part is provided with jack, and lever passes from the jack at slide plate middle part.
5. new bicycle as claimed in claim 1, it is characterized in that: pulling device also comprises the second assembly pulley being arranged on vehicle frame, the second assembly pulley comprises the second pulley and the 3rd pulley that are positioned at the first pulley of slide plate front side and are all positioned at vehicle seat downside, the second pulley and the 3rd pulley are between left and right every setting, the first rope body middle part is walked around from the 3rd pulley, and the second rope body is walked around from the first pulley and the second pulley successively.
6. new bicycle as claimed in claim 1, is characterized in that: an iron block is respectively established at the forward and backward two ends of described slide plate, two magnet that the two iron block settings at the forward and backward two ends of the corresponding slide plate of vehicle frame can be respectively inhaled mutually with two iron blocks.
7. new bicycle as claimed in claim 1, it is characterized in that: described lever comprises the expansion link, framework and the montant that set gradually from top to bottom, the top of expansion link is fixedly connected with chain rope, described framework is provided with and can passes personal frame mouth, and the bottom of montant is hinged on the vehicle frame of head sprocket front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331396.3U CN203975124U (en) | 2014-06-20 | 2014-06-20 | New bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331396.3U CN203975124U (en) | 2014-06-20 | 2014-06-20 | New bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203975124U true CN203975124U (en) | 2014-12-03 |
Family
ID=51972590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420331396.3U Expired - Fee Related CN203975124U (en) | 2014-06-20 | 2014-06-20 | New bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203975124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037624A (en) * | 2019-04-28 | 2019-07-23 | 张彩静 | A kind of carpet pont spot vacuum water washing device |
-
2014
- 2014-06-20 CN CN201420331396.3U patent/CN203975124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037624A (en) * | 2019-04-28 | 2019-07-23 | 张彩静 | A kind of carpet pont spot vacuum water washing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |