CN102730126B - Quick-folding lock handle handle type Portable box type bicycle - Google Patents
Quick-folding lock handle handle type Portable box type bicycle Download PDFInfo
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- CN102730126B CN102730126B CN201210142730.6A CN201210142730A CN102730126B CN 102730126 B CN102730126 B CN 102730126B CN 201210142730 A CN201210142730 A CN 201210142730A CN 102730126 B CN102730126 B CN 102730126B
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Abstract
Quick-folding lock handle handle type Portable box type bicycle, comprise box body interlock fold mechanism, Che Liang, side arm, vehicle seat, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, driver train and case, it is characterized in that: box body interlock fold mechanism is the front and back that folding leaf and seat pipe are connected to folded box, connecting rod connects folding leaf and seat pipe, semicircle lock shaft connects folded box, lock handle connects semicircle lock shaft, car beam connects folded box, car beam connects axis, countershaft and trailing wheel, side arm is connected with folding leaf, vehicle seat comprises folding saddle pipe and saddle, vehicle seat is connected with seat pipe, head tube before front fork connects, V-shape folding hand is connecting front fork, front-wheel installed by front fork, crank and prime sprocket wheel are connected to axis, prime minor sprocket and rear class sprocket wheel are connected to countershaft, flywheel is connected to trailing wheel, prime chain is wire-wrapped on prime sprocket wheel and prime minor sprocket, rear class chain is wire-wrapped on rear class sprocket wheel and flywheel, pedal is connected on crank.
Description
Technical field
The present invention relates to a kind of foldable bicycle, particularly a kind of open or folding fast and easily, folding after catch lock handle this car can be towed with hand quick-folding lock handle handle type Portable box type bicycle.
Technical background
Although have foldable bicycle in the market, existing foldable bicycle volume is bigger than normal, folding rate is partially slow, have impact on portable performance and the Practical Performance of foldable bicycle.
Summary of the invention
Object of the present invention to provide one can fold not only fast but also little, with the quick-folding lock handle handle type Portable box type bicycle that hand catches lock handle this car can be towed after folding again by box-type folding bicycle.The object of the present invention is achieved like this: quick-folding lock handle handle type Portable box type bicycle, comprises box body interlock fold mechanism, Che Liang, side arm, vehicle seat, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, driver train and case, is characterized in that: box body interlock fold mechanism is by folded box, pipe leans on, seat pipe, connecting rod, folding leaf, semicircle lock shaft, lock handle, safety catch and shear bolt composition, folding leaf and seat pipe are rotationally connected with the front and back of folded box respectively, the two ends of connecting rod are rotationally connected folding leaf and seat pipe, semicircle lock shaft is connected to the front upper part of folded box, lock handle is connected to two of semicircle lock shaft, lock handle connects safety catch, the top of folded box connects shear bolt, and safety catch coordinates with shear bolt, and car beam is connected to the both sides of folded box, the front portion of car beam is rotationally connected axis and countershaft, the rear portion of car beam connects trailing wheel, and side arm is formed by connecting by front head tube and front-axle beam pipe, and front-axle beam pipe is connected with folding leaf, vehicle seat comprises folding saddle pipe and saddle, vehicle seat is connected with seat pipe, and front fork is rotationally connected with in front head tube, and V-shape folding hand is being fixedly connected with front fork, front-wheel installed by front fork, and driver train comprises axis, countershaft, crank, pedal, front cascade wheel, prime minor sprocket, rear class sprocket wheel, flywheel, prime chain and rear class chain, crank and prime sprocket wheel are connected to axis, and prime minor sprocket and rear class sprocket wheel are connected to countershaft, and flywheel is connected to trailing wheel, prime chain is wire-wrapped in prime sprocket wheel and with on prime minor sprocket, rear class chain is wire-wrapped on rear class sprocket wheel and flywheel, and pedal is connected on crank, and case is fixedly connected on the both sides of car beam.
The invention has the beneficial effects as follows: have employed box body interlock fold mechanism, and adopt lock handle as handle, make quick-folding lock handle handle type Portable box type bicycle folding more convenient, tow more convenient, car beam adopts 7 font Al squeezing materials to make, make to produce simply, simple for structure, and also it is easier to connect case, adopt folding saddle pipe, make vehicle seat folding more effective, adopt plastic shell, that the more beautiful and bus of outward appearance is coordinated is more suitable.
Accompanying drawing explanation
Fig. 1 is section of structure of the present invention
Fig. 2 is the structural representation in case of the present invention
Fig. 3 is appearance figure of the present invention
Fig. 4 is V-shaped folding hand of the present invention the schematic diagram after folding
Fig. 5 is the schematic diagram of vehicle body folding process of the present invention
Fig. 6 is that car load of the present invention folds complete design sketch
In figure: 1---box body interlock fold mechanism, 2---car beam, 3---side arm, 4---vehicle seat, 5---front fork, 6---V-shaped folding hand handle, 71---front-wheel, 72---trailing wheel, 8---driver train, 9---case; Wherein box body interlock fold mechanism 1 also includes: 11---folded box, and 111---pipe leans on, and 12---seat pipe, 13---connecting rod, 14---folding leaf, 15---semicircle lock shaft, 16---lock handle, 17---safety catch, 18---shear bolt; Side arm 3 comprises: 31---front head tube, and 32---front-axle beam pipe; Vehicle seat 4 also comprises: 41---folding saddle pipe, and 42---saddle; V-shape folding hand also comprises 6: 61---hand pedestal, 62---left part part, 63---right members, 64---left and right handles, 65---backer's sheet, 66---pressure box, 67---band bolt, 68---inside extending tube; Driver train 8 also comprises: 81---axis, and 82---countershaft, 83---crank, 84---pedal, 85---prime sprocket wheel, 86---prime minor sprocket, 87---rear class sprocket wheel, 88---flywheel, 891---prime chain, 892---rear class chain.
Detailed description of the invention
According to Fig. 1, Fig. 2, described quick-folding lock handle handle type Portable box type bicycle, comprise box body interlock fold mechanism 1, car beam 2, side arm 3, vehicle seat 4, front fork 5, V-shaped folding hand 6, front-wheel 71, trailing wheel 72, driver train 8 and case 9.
Described box body interlock fold mechanism 1, comprise folded box 11, pipe is by 111, seat pipe 12, connecting rod 13, folding leaf 14, semicircle lock shaft 15, lock handle 16, safety catch 17 and shear bolt 18, described folded box 11 is that the Al squeezing material of a rectangular tube cuts off workpiece, described pipe is flaky aluminum extrusion section bar blanks that the diameter of Inner nock and described seat pipe 12 matches by 111, described pipe is welded in the back lower place of described folded box by 111, the front upper part of described folded box 11, the both sides of front lower portion and upper back have mutual first respectively to perforation, second pair of perforation and the 3rd is to perforation, gap is arranged at front bottom and the rear top of described folded box 11, described seat pipe 12 is that the bottom in pipe is lined with booster action metal tube, bottom and bottom are with to perforation, bottom is to the vertical seat pipe with gap of perforation, the top of described seat pipe 12 is with pipe clamp, the bottom of described seat pipe 12 is to boring a hole by being rotationally connected perforation the 3rd of lock bolt and described folded box 11, the bottom of described seat pipe 12 is to boring a hole by being rotationally connected the metapore of lock bolt and described connecting rod 13, described connecting rod 13 is two metal rod-shaped member with holes, described folding leaf 14 is top buckles, the each Al squeezing material with holes in the below of hook and the back lower place cuts off workpiece, the vertical of hole, described folding leaf 14 back lower place has an opening, the lower square hole of described folding leaf 14 hook is by being connected to second of described folded box 11 to perforation to lock screws, the hole, the back lower place of described folding leaf 14 hook is by the front hole to connecting rod 13 described in lock screws, and the front end of described connecting rod 13 is positioned at the vertical opening part in hole, described folding leaf 14 back lower place, described semicircle lock shaft 15 is blanks of a semicircle steel rolling, and have tapped bore at the two ends of described semicircle steel rolling blank, described semicircle lock shaft 15 is rotationally connected with first of described folded box 11 to perforation, described lock handle 16 is the Plastic Parts studding with metal insert, described lock handle becomes half frame-shaped, the two ends of described lock handle 16 half frame are with two halves circular hole, two of the semicircle lock shaft 15 described in the connection of two halves circular hole of described lock handle 16, and the screw location at described semicircle lock shaft 15 two is screwed into two bolts, the centre of described lock handle 16 is with grooved hole, described safety catch 17 is connected in the grooved hole of described lock handle 16, described safety catch 17 is made up of push button and safety plate, described push button is the bean cotyledon shape Plastic Parts of bottom belt one tubule, described safety plate is a headband hole, the lamellule of another headband arc port, the tubule of described push button penetrates in the grooved hole of described lock handle 16, spring is put into again in the grooved hole of described lock handle 16, again described safety plate bolt is connected to the tubule of described push button, described shear bolt 18 is fastened to the top of described folded box 11, described shear bolt 18 is corresponding with the safety plate arc port of the described safety catch be installed on described lock handle 16.
Described car beam 2, it is the Al squeezing material cut-out workpiece of one 7 fonts, there is the cup connecting described axis 81 and described countershaft 82 below of described car beam 2 front portion, the connecting strap of described trailing wheel 72 is arranged at the bottom of described car beam 2 rear end, described car beam about 2 points two panels, the front portion of described left and right two car beam 2 is welded in the both sides of described folded box 11, and the rear portion of described left and right two car beam 2 has aluminium flake connect and strengthen.
Described side arm 3 comprises front head tube 31 and front-axle beam pipe 32, and described side arm 3 is made of welded connection by front head tube 31 and front-axle beam pipe 32, and described front-axle beam pipe 32 and the described folding leaf 14 of described side arm 3 are welded to connect.
Described vehicle seat 4 comprises folding saddle pipe 41 and saddle 42, and described folding saddle pipe 41 is saddle pipes of upper bands folder, and the bottom of described folding saddle pipe 41 is connected with described seat pipe 12, and the top of described folding saddle pipe 41 is connected with described saddle 42.
Described front fork 5 by front fork accessory with described before head tube 31 rotate and be connected, described front-wheel 71 is installed on described front fork, described front-wheel 71 is aluminium wheels wheels of 8 inches, and described trailing wheel 72 is installed on the connecting strap of described car beam 2, and described trailing wheel 72 is aluminium wheels wheels of 10 inches.
Described V-shaped folding hand comprises hand pedestal 61, left part part 62, right members 63, left and right handles 64, backer's sheet 65, pressure box 66, band bolt 67 and inside extending tube 68 6, described hand is pedestal 61, it is the aluminium section bar of a cat head profile, there is the hole upwards with cracking at opal place, and forms after cut-out after perforate and Vehicle Processing; Described hand has two to perforation pedestal 61 perpendicular place, hole of cracking, described hand has the top of pedestal 61 one downward to perforation, described hand upwards has a counterbore the bottom of pedestal 61, and described hand is the inside extending tube 68 described in the described counterbore close-fitting socket one of pedestal 61.
Described left part part 62 is parts of an aluminium die casting, one left axle is arranged at the bottom of described left part part 62, upwards there is a connection left hand front end of left axle the connecting rod of 64, the right side of connecting rod is connected with a hook-shape body upwards, the gap of right side with a V-shaped of hook-shape body, there is tapped bore the rear end of the left axle of described left part part 62, described right members 63 is parts of an aluminium die casting, a right axle is had bottom described right members 63, upwards there is the connecting rod of a connection right handgrip 64 front end of right axle, the left side of connecting rod is connected with a cuboid, the prominent muscle of left side with a V-shaped of cuboid, the prominent muscle of described right members 63 and the gap of described left part part 62 match, one hole paralleled with the right axle of described right members 63 is arranged at the top of described right members 63 cuboid, the left end of described right members 63 cuboid, there is the tapped bore that is downward, there is tapped bore the rear end of the right axle of described right members 63, the left axle of described left part part 62 is penetrated described hand to crack a left side for pedestal 61 in hole, the right axle of described right members 63 is penetrated described hand to crack the right side of pedestal 61 in hole, again with two pads and two resistance to fall bolt in location, the rear end of the left axle of described left part part 62 and the right axle of described right members 63, described hand is penetrated two couple of pedestal 61 in perforation to lock bolt again with two, be tightened to degree of tightness appropriate level.
Described pressure box 66, it is the metallic stamping pieces of an open box, the two sides of the opening of described pressure box 66 has a pair to perforation, one slotted hole is arranged at the top of described pressure box 66, described pressure box 66 to perforation by lock bolt and described right members 63 cuboid on hole be rotationally connected, described band connects one the top that bolt 67 is bolts and twists handle, described band penetrates bolt 67 in the slotted hole of described pressure box 66, penetrate in a spring again, and then be screwed in the tapped bore of described right members 63 cuboid left end, described pressure box 66 interlocking is on the hook-shape body of described left part part 62, described backer's sheet 65, it is the aluminum component of lower band convex globoidal, described backer's sheet 65 upper punch has a hole, one hanging bolt is penetrated in the hole of described backer's sheet 65, penetrate again described hand pedestal 61 top to perforation in, be screwed in the tapped bore of the swollen plug in the front fork tube of penetrated described front fork 5 again, and tighten, described backer's sheet 65 and described pedestal 61 are fixed with described front fork 5.
Described driver train 8 comprises axis 81, countershaft 82, crank 83, pedal 84, prime sprocket wheel 85, prime minor sprocket 86, rear class sprocket wheel 87, flywheel 88, prime chain 891 and rear class chain 892, described axis 81 is connected by the bottom bracket bearing bowl of two bearings with described left and right Che Liang 2, described axis 81 is positioned at the left side that described left and right Che Liang 2 opens shelves, twist and connect described prime sprocket wheel 85, the two ends of described axis 81 are connected with two described cranks 83, the top of described two cranks is connected with two described pedals 84, described countershaft 82 is connected by the counter shaft bearing bowl of two bearings with described left and right Che Liang 2, described countershaft 82 is positioned at the left side and the right side that described left and right Che Liang 2 opens shelves, twist respectively and connect described prime minor sprocket 86 and described rear class sprocket wheel 87, described flywheel 88 is installed on the right side of described trailing wheel 7, described prime chain 891 is wire-wrapped on described prime sprocket wheel 85 and described prime minor sprocket 86, described rear class chain 892 is wire-wrapped on described rear class sprocket wheel 87 and described flywheel 88.
Described case 9 is made of plastic, described case about 9 points two panels, and described left and right case 9 is fixedly connected on the both sides of described car beam 2, and the top of described left and right case 9 rear end is connected with two rubber rings, is inlaid with two plastics Reflector in two rubber rings.
Claims (6)
1. quick-folding lock handle handle type Portable box type bicycle, comprise box body interlock fold mechanism, Che Liang, side arm, vehicle seat, front fork, V-shaped folding hand handle, front-wheel, trailing wheel, driver train and case, it is characterized in that: box body interlock fold mechanism is by folded box, pipe leans on, seat pipe, connecting rod, folding leaf, semicircle lock shaft, lock handle, safety catch and shear bolt composition, folded box is that the Al squeezing material of a rectangular tube cuts off workpiece, pipe is by being the flaky aluminum extrusion section bar blank that the diameter of Inner nock and seat pipe matches, pipe is by being welded in the back lower place of folded box, the front upper part of folded box, the both sides of front lower portion and upper back have mutual first respectively to perforation, second pair of perforation and the 3rd is to perforation, gap is arranged at front bottom and the rear top of folded box, seat pipe is that the bottom in pipe is lined with booster action metal tube, bottom and bottom are with to perforation, bottom is to the vertical seat pipe with gap of perforation, the top of seat pipe is with pipe clamp, the bottom of seat pipe is to boring a hole by being rotationally connected perforation the 3rd of lock bolt and folded box, the bottom of seat pipe is to boring a hole by being rotationally connected the metapore of lock bolt and connecting rod, connecting rod is two metal rod-shaped member with holes, folding leaf is top buckle, the each Al squeezing material with holes in the below of hook and the back lower place cuts off workpiece, folding the vertical of hole, the leaf back lower place has an opening, the lower square hole of folding leaf hook is by being connected to second of folded box to perforation to lock screws, the hole, the back lower place of folding leaf hook is by the front hole to lock screws connecting rod, and the front end of connecting rod is positioned at the vertical opening part in hole, the folding leaf back lower place, semicircle lock shaft is the blank of a semicircle steel rolling, and have tapped bore at the two ends of semicircle steel rolling blank, semicircle lock shaft is rotationally connected with first of folded box to perforation, lock handle is the Plastic Parts studding with metal insert, lock handle becomes half frame-shaped, the two ends of lock handle half frame are with two halves circular hole, the two halves circular hole of lock handle connects two of semicircle lock shaft, and the screw location at semicircle lock shaft two is screwed into two bolts, the centre of lock handle is with grooved hole, safety catch is connected in the grooved hole of lock handle, safety catch is made up of push button and safety plate, push button is the bean cotyledon shape Plastic Parts of bottom belt one tubule, safety plate is a headband hole, the lamellule of another headband arc port, the tubule of push button penetrates in the grooved hole of lock handle, spring is put into again in the grooved hole of lock handle, and make a crown of spring the tubule of push button, the other end of spring heads on the one end in described lock handle grooved hole, again safety plate bolt is connected to the tubule of push button, shear bolt is fastened to the top of folded box, shear bolt is corresponding with the safety plate arc port of the safety catch be installed on lock handle, safety catch coordinates with shear bolt, car beam is connected to the both sides of folded box, the front portion of car beam is rotationally connected axis and countershaft, the rear portion of car beam connects trailing wheel, side arm is formed by connecting by front head tube and front-axle beam pipe, front-axle beam pipe is connected with folding leaf, vehicle seat comprises folding saddle pipe and saddle, vehicle seat is connected with seat pipe, front fork is rotationally connected with in front head tube, V-shape folding hand is being fixedly connected with front fork, front-wheel installed by front fork, driver train comprises axis, countershaft, crank, pedal, front cascade wheel, prime minor sprocket, rear class sprocket wheel, flywheel, prime chain and rear class chain, crank and prime sprocket wheel are connected to axis, prime minor sprocket and rear class sprocket wheel are connected to countershaft, flywheel is connected to trailing wheel, prime chain be wire-wrapped in prime sprocket wheel and and prime minor sprocket on, rear class chain is wire-wrapped on rear class sprocket wheel and flywheel, pedal is connected on crank, case is made of plastic, and case divides left and right two panels, and left and right case is fixedly connected on the both sides of described car beam, and the top of case rear end, left and right is connected with two rubber rings, is inlaid with two plastics Reflector in two rubber rings.
2. quick-folding lock handle handle type Portable box type bicycle according to claim 1, it is characterized in that: described car beam, it is the Al squeezing material cut-out workpiece of one 7 fonts, there is the cup connecting described axis and described countershaft the below of described car beam front portion, the connecting strap of described trailing wheel is arranged at the bottom of described Che Liang rear end, described car beam divides left and right two panels, the front portion of described left and right two car beam is welded in the both sides of described folded box, and the rear portion of described left and right two car beam has aluminium flake connect and strengthen.
3. quick-folding lock handle handle type Portable box type bicycle according to claim 1, it is characterized in that: described V-shaped folding hand handle, comprise hand pedestal, left part part, right members, left and right handles, backer's sheet, pressure box, band bolt and inside extending tube, described hand is pedestal, it is the aluminium section bar of a cat head profile, there is the hole upwards with cracking at opal place, and forms after cut-out after perforate and Vehicle Processing; Described hand has two to perforation pedestal perpendicular place, hole of cracking, and described hand has the top of pedestal one downward to perforation, and described hand upwards has a counterbore the bottom of pedestal, and described hand is the inside extending tube described in the described counterbore close-fitting socket one of pedestal.
4. quick-folding lock handle handle type Portable box type bicycle according to claim 3, it is characterized in that: described left part part is the parts of an aluminium die casting, one left axle is arranged at the bottom of described left part part, upwards there is the connecting rod of a connection left hand handle front end of left axle, the right side of connecting rod is connected with a hook-type upwards, the gap of right side with a V-shaped of hook-type, there is tapped bore the rear end of the left axle of described left part part, described right members is the parts of an aluminium die casting, a right axle is had bottom described right members, upwards there is the connecting rod of a connection right handgrip front end of right axle, the left side of connecting rod is connected with a cuboid, the prominent muscle of left side with a V-shaped of cuboid, the prominent muscle of described right members and the gap of described left part part match, one hole paralleled with the right axle of described right members is arranged at the top of described right members cuboid, the left end of described right members cuboid, there is the tapped bore that is downward, there is tapped bore the rear end of the right axle of described right members, the left axle of described left part part is penetrated described hand to crack a left side for pedestal in hole, the right axle of described right members is penetrated described hand to crack the right side of pedestal in hole, again with two pads and two resistance to fall bolt in location, the rear end of the left axle of described left part part and the right axle of described right members, described hand is penetrated two couple of pedestal in perforation to lock bolt again with two, be tightened to degree of tightness appropriate level.
5. quick-folding lock handle handle type Portable box type bicycle according to claim 3, it is characterized in that: described pressure box, it is the metallic stamping pieces of an open box, the two sides of the opening of described pressure box has a pair to perforation, one slotted hole is arranged at the top of described pressure box, described pressure box to perforation by lock bolt and described right members cuboid on hole be rotationally connected, described band connects one the top that bolt is a bolt and twists handle, described band penetrates bolt in the slotted hole of described pressure box, penetrate in a spring again, and then be screwed in the tapped bore of described right members cuboid left end, described pressure box interlocking is on the hook-type of described left part part.
6. quick-folding lock handle handle type Portable box type bicycle according to claim 1, it is characterized in that: described axis is connected by the bottom bracket bearing bowl of two bearings with described left and right Che Liang, described axis be positioned at described left and right Che Liang open shelves the left side, twist connect described prime sprocket wheel, described countershaft is connected by the counter shaft bearing bowl of two bearings with described left and right Che Liang, and described countershaft is positioned at described left and right Che Liang and opens the left side of shelves and the right side, twists and connect described prime minor sprocket and described rear class sprocket wheel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142730.6A CN102730126B (en) | 2012-05-10 | 2012-05-10 | Quick-folding lock handle handle type Portable box type bicycle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210142730.6A CN102730126B (en) | 2012-05-10 | 2012-05-10 | Quick-folding lock handle handle type Portable box type bicycle |
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| CN102730126A CN102730126A (en) | 2012-10-17 |
| CN102730126B true CN102730126B (en) | 2015-08-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249786A (en) * | 2014-09-18 | 2014-12-31 | 匡焱 | Contraction type folding bicycle |
| CN114852239B (en) * | 2022-04-28 | 2024-03-29 | 岳阳市爱达兴智能科技有限公司 | Folding mechanism with improved structure for vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002145157A (en) * | 2000-11-07 | 2002-05-22 | Wing Sekkei:Kk | Folding bicycle |
| DE202004002387U1 (en) * | 2004-02-17 | 2004-04-08 | An New Industrial Co., Ltd. | Collapsible and portable electric scooter rapidly collapses in three simple steps to form a case having auxiliary wheels |
| CN1824568A (en) * | 2005-02-25 | 2006-08-30 | 毛方年 | Fast folding portable bicycle |
| CN101544258B (en) * | 2009-05-08 | 2011-09-21 | 庞明方 | Quick-folding portable bicycle |
| CN201961467U (en) * | 2011-01-19 | 2011-09-07 | 太仓市车中宝休闲用品有限公司 | Portable quick folding bicycle |
| CN102180216A (en) * | 2011-04-22 | 2011-09-14 | 太仓市车中宝休闲用品有限公司 | Eight-inch fast folding portable bicycle |
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Effective date of registration: 20191106 Address after: 221300 No. 88 Liaohe West Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: SU Normal University Semiconductor Materials and Equipment Research Institute (Pizhou) Co., Ltd. Address before: 215421 Jiangsu city of Suzhou province Taicang city Shaxi Songnan Industrial Park Co-patentee before: Pang Mingfang Patentee before: Taicang Chezhongbao Leisure Articles Co., Ltd. |
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Effective date of registration: 20211222 Address after: 221300 506, block B, electronic industrial park, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Bochuang Construction Development Group Co.,Ltd. Address before: No.88 Liaohe West Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: SU Normal University Semiconductor Materials and Equipment Research Institute (Pizhou) Co.,Ltd. |