CN1394783A - Portable folding bicycle - Google Patents
Portable folding bicycle Download PDFInfo
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- CN1394783A CN1394783A CN 02137997 CN02137997A CN1394783A CN 1394783 A CN1394783 A CN 1394783A CN 02137997 CN02137997 CN 02137997 CN 02137997 A CN02137997 A CN 02137997A CN 1394783 A CN1394783 A CN 1394783A
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Abstract
The portable folding bicycle structure includes frame portion, wheel portion, steering portion, power portion and brake portion, and its frame portion includes front wheel frame, middle box, rear wheel frame and saddle; the wheel portion includes front wheel frame tray, kear wheel frame tray, rear portions of the front and rear wheel trays are respectively equipped with spring vibration damper, front wheel fork head, rear wheel fork head, front wheel axle, rear wheel axle, front wheel and rear wheel; steering portion includes steering bar, bar support, bar column, slide sleeve, column support bar, steering cross-pin, steering device bar, bar column groove and groove support; and its power portion includes pedal axle geared disk, connecting bar disk, connecting bar, bearing, pedals, drive chain, drive gear and electric drive box.
Description
Technical field
The Portable vehicle that portable folding bicycle of the present invention relates to is the upper and lower class of a kind of people of being applicable to, travel outdoors, the student goes to school can be made bicycle, mini-motorcycle, body-building apparatus after the relieving, make bench after folding to use.
Background technology
The invention of bicycle is for the mankind's walking along the street has brought very big convenience.Along with continuous progress in science and technology, the raising gradually of social civilization degree, people are also more and more higher to the requirement of bicycle performance easy to use.In recent years, various new type foldable bicycles, Electrical Bicycle arise at the historic moment, though the safety of its use and comfort feature have raising, also exist obviously not enough.As current commercially available various folding bicycles, the shortcoming that it is common: the one, the poststack volume is still bigger, only solved the problem in the upper and lower building of convenience, the 2nd, the poststack profile is irregular, rough and uneven in surface, do not form the box typed structure on six planes, comfort feature when carrying and poor-performing attractive in appearance, the vehicle frame of current Electrical Bicycle does not also have foldable.
Summary of the invention
The present invention is directed to above-mentioned weak point a kind of portable folding bicycle is provided, with the portable folding electric bicycle, this car is made with light-duty hard material, profile after folding six plane boxes that are rectangle, similar in appearance to portable combination lock, being fit to put into the row bag carries, easy to use, save the walking along the street time, can launch at any time to ride, can fold other locomotives of transfer again at any time, the portable car that folds can also be worked as bench and use, after adding the driven by power case, basic identical with the function of Electrical Bicycle again, available manpower is available power again, or drive portable folding bicycle simultaneously with manpower and electric power and travel.
Portable folding bicycle takes following scheme to realize: the portable folding bicycle structure is made of vehicle frame part, wheel part, direction part, power pack section, brake portion.
Vehicle frame partly comprises front wheel carrier, raising middle flask, rear wheel frame, bench.
Wheel partly comprises front wheel carrier pallet, rear wheel frame pallet, front and back wheel spring vibration damper, front-wheel jaw, trailing wheel jaw, front wheel spindle, hind axle, front-wheel, trailing wheel.
Direction partly comprises direction lever, lever bracket, roofbolt, sliding sleeve, column support bar, turns to center cross, steerage gear bar, bar column groove, groove pole.
Power pack section comprises pedal spindle fluted disc, connecting bar disk, connecting rod, bearing, stretcher, messenger chain, transmission gear, electric power-assisted input commutating tooth flywheel, ordinary bicycle flywheel etc.The driven by power case can be housed, and the driven by power case can be equipped with parts such as power supply, electronic mechanical, electrical power-assisted output spur gear, and power supply can adopt fuel cell or power supply battery, charger etc.
Brake portion comprises brake handgrip, brake actuator and brake disc etc.
The front wheel carrier of portable folding bicycle is connected with raising middle flask by the front wheel carrier axle, and rear wheel frame is connected with raising middle flask by the rear wheel frame axle.Bench comprises the collapsible stool face of three wings, stool frame, and stool face device is on the stool frame, and the stool frame passes through stool frame shaft device on raising middle flask.Direction lever by about two groove bars make, the upper end is connected with the upper end of roofbolt by axle cap, the notch of groove bar is with respect to roofbolt, about it, constitute the direction lever of horizontal linear under the support of two lever brackets, about two lever brackets top respectively with axle with about the stage casing of two direction levers be connected, the bottom is connected with the interior pipe of the sliding sleeve of being made up of inner and outer pipe, interior pipe box is contained in the outer wall of roofbolt, the outer wall of pipe bottom in outer tube is contained in, the top of column support bar is connected with the outer tube of sliding sleeve with axle, and the bottom is located in the groove pole.The lower end of roofbolt is connected in and turns to center cross, turns to center cross to connect the steerage gear bar with jaw, the top of groove pole is connected with the top of bar column groove with axle, and the bottom of bar column groove is connected with the front wheel carrier storehouse with axle, and the bottom of groove pole is in the front wheel carrier storehouse.
Column support bar, groove pole, bar column groove adopt different wide, long groove hard materials to make, when folding, and brake handgrip, direction lever and lever bracket, roofbolt etc., overlay in the groove of column support bar, fold again in the groove of groove pole into, then fold again in the groove of bar column groove into, stack into front wheel carrier storehouse at last.
The front wheel carrier lower device has the front wheel carrier pallet, spring vibration damper is equipped with at front wheel carrier pallet rear portion, the front-wheel jaw is equipped with in the bottom, front-wheel by front wheel spindle and bearing arrangement on the front-wheel jaw, the rear wheel frame lower device has the rear wheel frame pallet, spring damper is equipped with at rear wheel frame pallet rear portion, the trailing wheel jaw is equipped with in the bottom, trailing wheel by hind axle and bearing arrangement on the trailing wheel jaw;
The pedal spindle fluted disc is by pedal spindle device both sides in raising middle flask, the connecting bar disk device is at pedal spindle two ends, raising middle flask both sides, linkage is on connecting bar disk, linkage has stretcher, the pedal spindle fluted disc is connected with rear wheel frame pallet axle left side sprocket wheel by the right sprocket wheel of driving chain connection rear wheel frame axle, left sprocket wheel, two flywheels of rear wheel frame pallet shaft device, the one, electric power-assisted input commutating tooth flywheel, the 2nd, the ordinary bicycle flywheel, freewheel with the chain connecting device on the right sprocket wheel of the chain break-in axle at rear wheel frame pallet middle part, coaxial left sprocket wheel is with the chain drive trailing wheel.
About the brake handgrip install respectively on the left and right directions bar, the front and back brake disc is contained in respectively on front and back wheel jaw and the front and back wheel shaft, the brake handgrip link to each other with brake disc by brake actuator.
Portable folding bicycle function and advantage:
1, open up azido functional fast: the overall process time of expansion or folding portable folding bicycle only needs less than 1 minute.The folding back of portable folding bicycle profile six casings that are rectangle.
2, launch the driving function: after portable folding bicycle launches, its function and current bicycle and man are basic identical, and be after adding the driven by power case, basic identical with the function of Electrical Bicycle again, available manpower is available power again, or drive simultaneously with manpower and electric power and to travel.
3, poststack retinue function: six casings of its outer likeness in form oblong of folding back portable folding bicycle, volume is little, in light weight, being fit to put into the row bag carries, enter various permission bands contract out into the place, omitted outdoor parking and must turn one's head to get again and influence problems such as the appearance of the city is clean and tidy.The portable folding bicycle of carrying is easy to use, saves the walking along the street time, can launch at any time to ride, and can fold other locomotives of transfer again at any time, can also be with folding portable folding bicycle when the bench use.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is portable folding bicycle embodiment 1 front view.
Fig. 2 is portable folding bicycle embodiment 1 birds-eye view.
Fig. 3 is portable folding bicycle embodiment 1 left view.
Fig. 4 is portable folding bicycle embodiment 2 front views.
Fig. 5 is portable folding bicycle embodiment 2 birds-eye vieies.
Fig. 6 is the folding back of a portable folding bicycle front view.
Fig. 7 is the folding back of a portable folding bicycle birds-eye view.
The specific embodiment
With reference to accompanying drawing 1~7, the portable folding bicycle structure is made of vehicle frame part, wheel part, direction part, power pack section, brake portion.
Vehicle frame partly comprises front wheel carrier 13, raising middle flask 20, rear wheel frame 40, the collapsible stool face 28 of three wings, stool frame 31.Stool face support plate 30, position-limited trough 29 are arranged at stool face 28 bottoms.
Wheel partly comprises front wheel carrier pallet, rear wheel frame pallet 14, front-wheel jaw 16, trailing wheel jaw 37, front wheel spindle 17, hind axle 39, front-wheel 18, trailing wheel 38.
Direction partly comprises direction lever 2, lever bracket 3, roofbolt 5, sliding sleeve 4, column support bar 6, turns to center cross 7, steerage gear bar, bar column groove 9, groove pole 8.
Power pack section comprises pedal spindle fluted disc 22, connecting bar disk 24, connecting rod 25, bearing 26, stretcher 27, messenger chain 35, transmission gear, electric power-assisted input commutating tooth flywheel 47, freewheel 48, sprocket wheel 49, chain break-in axle 50 etc.Driven by power case 43 can be housed, and driven by power case 43 is equipped with parts such as fuel cell or battery, charger, electric power controller, electrical motor 45, electric power-assisted output spur gear 44.
The front wheel carrier 13 of portable folding bicycle is connected with raising middle flask 20 by front wheel carrier axle 19, and rear wheel frame 40 is connected with raising middle flask 20 by rear wheel frame axle 33.Collapsible stool face 28 devices of three wings are on stool frame 31.Stool frame 31 installs on raising middle flask 20 by stool frame axle 32.
Direction lever 2 by about two groove bars make, the upper end is connected with the upper end of roofbolt 5 by axle cap 0, the notch of groove bar is with respect to roofbolt 5, about it, constitute the direction lever 2 of level under the support of two lever brackets 3, about two lever brackets top respectively with axle with about the stage casing of two direction levers be connected, the bottom is connected with the interior pipe of the sliding sleeve of being made up of inner and outer pipe 4, interior pipe box is contained in the outer wall of roofbolt 5, the outer wall of pipe bottom in outer tube is contained in, the top of column support bar 6 is connected with the outer tube of axle with sliding sleeve 4, and the bottom is located in the groove pole 8.The lower end of roofbolt 5 be connected in jaw and turn to center cross 7, drive the steerage gear bar of device in bar column groove 9,, the top of groove pole 8 is connected with the top of axle with bar column groove 9, the bottom of bar column groove 9 is connected with front wheel carrier storehouse 12 with axle 10, and the bottom of groove pole 8 is in front wheel carrier storehouse 12.
Column support bar 6, groove pole 8, bar column groove adopt different wide, long groove hard materials to make, when folding, brake handgrip 1, direction lever 2 and lever bracket 3, roofbolt 5 etc., overlay in the groove of column support bar 6, fold again in the groove of groove pole 8 into, then fold again in the groove of bar column groove 9 into, stack into front wheel carrier storehouse 12 at last.
The cover rack device of pedal spindle combines with the above and below of raising middle flask.The pedal spindle fluted disc is by pedal spindle device both sides in raising middle flask, pedal spindle fluted disc 22 is by pedal spindle 23 both sides of device in raising middle flask 20, the two ends of connecting bar disk 24 devices pedal spindle 23 in raising middle flask 20, connecting rod 25 devices are on connecting bar disk 24, connecting rod 25 devices have stretcher 27, pedal spindle fluted disc 22 connects the right sprocket wheel of rear wheel frame axle 33 by driving chain, its left sprocket wheel is connected with left sprocket wheel 49 on the rear wheel frame pallet axle 36 with chain 35, electric power-assisted input commutating tooth flywheel 47 of rear wheel frame pallet axle 36 devices and ordinary bicycle flywheel 48, freewheel 48 is with the right sprocket wheel of chain connecting device at the break-in axle 50 at rear wheel frame pallet 14 middle parts, the left sprocket wheel of chain break-in axle 50 is with chain drive trailing wheel 38.
Brake portion comprises brake handgrip 1, brake actuator and brake disc.The brake handgrip 1 be about two handgrips, install respectively on left and right directions bar 2, the front and back brake disc is contained in respectively on front-wheel jaw 16 and the trailing wheel jaw 37, the brake handgrip 1 link to each other with brake disc by brake actuator.
With reference to accompanying drawing 1~7, portable folding bicycle launches, the folded state explanation:
1, portable folding bicycle is exhibition, folded center with the raising middle flask, and the casing shape structure on six planes that are rectangle after folding is as accompanying drawing 6,7.Be provided with bench frame storehouse 21 in the ac zone of raising middle flask, the abef zone is provided with the trailing wheel storehouse, and the bcde zone is provided with the front-wheel storehouse, is provided with pedal spindle fluted disc 22 between be.Outer wall at right (or left side) pedal spindle fluted disc is provided with gear, be connected with the right sprocket wheel on the rear wheel frame axle 33 at chain and raising middle flask d angle, the chain 35 that installs on the coaxial left sprocket wheel is connected with left sprocket wheel 49 on the rear wheel frame pallet axle 36, exhibition, when folded chain 35 with rear wheel frame 40 change of directions, device ordinary bicycle flywheel 48 and electric power-assisted input commutating tooth flywheel 47 on the rear wheel frame pallet axle 36, foot-operated power and electric power-assisted all the chain gear on freewheel 48 to driving trailing wheel 38.
2, the parts of brake handgrip, direction part are folding is placed on bar column groove 9 and becomes straight line barred body shape, can do along rotating counterclockwise turnover front wheel carrier storehouse 12 along axle 10.Stretcher 27 can be folded into connecting rod 25, stack into connecting bar disk 24 again, connecting bar disk 24 can be done telescopic moving along the axis direction of pedal spindle fluted disc 22, stretch out the pedal spindle fluted disc during expansion so that stretcher 27 is made circular movement, when folding then about indentation pedal spindle fluted disc and raising middle flask two sides on identical plane.
3, the stool frame is with axle 32 and raising middle flask c corner connection.Stool face 28 makes into three wings, and the wing centre section rear portion is connected with stool frame 31, and left and right sides both wings can be folded into parallel with the stool frame and can be with the come in and go out bench storehouse 21 of raising middle flask of stool frame, and the last plane that is folded in the back back side of stool frame in bench storehouse 21 and raising middle flask is on same plane.
4, rear wheel frame 40 mutually develops row with the lower plane of raising middle flask with the d corner connection of axle 33 with raising middle flask 20 when folding, and trailing wheel 38 overlays in the trailing wheel storehouse of raising middle flask 20.Front wheel carrier 13 is with axle 19 and raising middle flask f corner connection, develops row mutually with the last plane of poststack wheel carrier when folding, and the front window 46 that front-wheel 18 passes through rear wheel frame passes in and out the front-wheel storehouse of raising middle flasks.
5, front wheel carrier and rear wheel frame are respectively under the support of forward and backward wheel carrier pallet 14, the front of front wheel carrier pallet is connected with front wheel carrier with axle 11, the back contacts with the front wheel carrier base plate with spring vibration damper 15, device front-wheel jaw 16 and front-wheel 18 between the rear and front end of front wheel carrier pallet.The front of rear wheel frame pallet is connected with rear wheel frame with axle 36, and the back contacts with the rear wheel frame base plate with spring vibration damper 15, device trailing wheel jaw 37 and trailing wheel 38 between the rear and front end of rear wheel frame pallet, and the afterbody of rear wheel frame is equipped with dust-blocking plate 42.
6, driven by power case 43 is made up of power supply (fuel cell or battery, charger, controller) and parts such as electrical motor 45, electric power-assisted output spur gear 44.The interface of driven by power case 43 from the rear wheel frame quick clutch in 40 tops is inserted, and electric power-assisted output spur gear 44 promptly meshes with electric power-assisted input commutating tooth flywheel 47, and electric power-assisted is through chain gear trailing wheel 38.With reference to accompanying drawing 4,5 portable folding electric bicycle embodiment 2.
With reference to accompanying drawing 1~7, the method for operation of portable folding bicycle:
1, the expansion of portable folding bicycle
1) stacked portable folding bicycle is placed in the place ahead of operator by accompanying drawing 6.
2) open the relevant locking bolt of portable folding bicycle.
3) mention with a angle of left hand grip raising middle flask 20 and make it unsettled, the right hand refers to insert the open hole of stool frame 31, bench in the bench storehouse 21 is pulled out, back (parts such as vehicle frame and direction partial sum stretcher all launch and locking automatically at this moment) along clockwise direction rotate in place, the vehicle frame of loweing lands its front and rear wheel, as accompanying drawing 1,2,3 " portable folding bicycle three-view diagram ".
4), be inserted in the fast interface on plane on the rear wheel frame 40, as accompanying drawing 4,5 " portable folding electric bicycle scheme drawing " if having driven by power case 43.
5) check the performance that respectively automatically locks devices such as bolt and direction, braking of vehicle frame, functionally just can ride.
2, the method for operation of riding: the portable folding bicycle of expansion is not when adding the electric power driving box, and method of operation is with current ordinary bicycle; The portable folding bicycle of driven by power case 43 is housed, and method of operation is with current Electrical Bicycle.
3, portable folding bicycle is folding:
1) operator stands in the left side of portable folding bicycle, opens the relevant locking bolt that portable folding bicycle launches shape.
2) to the portable folding bicycle of driven by power case is installed, unload driven by power case 43 earlier.
3) will the brake parts 2-9 of handgrip 1, direction part folds in the front wheel carrier storehouse 12.
4) mention with left hand grip raising middle flask a angle and make it unsettled, hold stool frame 31 and rotation in the counterclockwise direction with the right hand, bench is entered in the bench storehouse 21 in ac zone in plane on the raising middle flask (simultaneously, rear wheel frame 40 is done the cw running to fitting with raising middle flask fd lower plane along its axle 33, and trailing wheel enters in the trailing wheel storehouse in raising middle flask abef zone; Front wheel carrier 13 along its axle 19 do conter clockwise running to rear wheel frame 40 on the plane fit, front-wheel enters in the front-wheel storehouse in raising middle flask bcde zone by the front window 46 of rear wheel frame; Left and right sides connecting bar disk 24, connecting rod 25, stretcher 27 are also gone into pedal spindle fluted disc 22 from fold).
5) launch for the accident that prevents stacked portable folding bicycle, locking bar be inserted in the lockhole, make it keep folded state.
6) put into Hang Bao.
Claims (6)
1, a kind of portable folding bicycle has vehicle frame part, wheel part, direction part, power pack section, brake portion; It is characterized in that vehicle frame partly comprises front wheel carrier, raising middle flask, rear wheel frame, bench; Wheel partly comprises front wheel carrier pallet, rear wheel frame pallet, front-wheel jaw, trailing wheel jaw, front wheel spindle, hind axle, front-wheel, trailing wheel; Direction partly comprises direction lever, lever bracket, roofbolt, sliding sleeve, column support bar, turns to center cross, steerage gear bar, bar column groove, groove pole; Power pack section comprises pedal spindle fluted disc, connecting bar disk, connecting rod, bearing, stretcher, messenger chain, transmission gear, driven by power case; Brake portion comprises brake handgrip, brake actuator and brake disc;
Front wheel carrier is connected with raising middle flask by the front wheel carrier axle, and rear wheel frame is connected with raising middle flask by the rear wheel frame axle, and bench comprises the collapsible stool face of three wings, stool frame, and stool face device is on the stool frame, and the stool frame passes through stool frame shaft device on raising middle flask;
Direction lever by about two groove bars make, the upper end is connected with the upper end of roofbolt by axle cap, the notch of groove bar is with respect to roofbolt, about be the direction lever of level under the support of two lever brackets, about two lever brackets top respectively with axle with about the stage casing of two direction levers be connected, the bottom with by interior, the interior pipe of the sliding sleeve that outer tube is formed connects, interior pipe box is contained in the outer wall of roofbolt, the outer wall of pipe bottom in outer tube is contained in, the top of column support bar is connected with the outer tube of sliding sleeve with axle, the bottom is located in the groove pole, the lower end of roofbolt is connected in jaw and turns to center cross, the top of groove pole is connected with the top of bar column groove with axle, and the bottom of bar column groove is connected with the front wheel carrier storehouse with axle, and the bottom of groove pole is in the front wheel carrier storehouse;
About the brake handgrip install respectively on the left and right directions bar, the front and back brake disc is contained in respectively on front and back wheel jaw and the front and back wheel shaft, the brake handgrip link to each other with brake disc by brake actuator;
The front wheel carrier lower device has the front wheel carrier pallet, and spring vibration damper is equipped with at the rear portion of front wheel carrier pallet, the front-wheel jaw is equipped with in the bottom, front-wheel by the front wheel spindle device on the front-wheel jaw; The rear wheel frame lower device has the rear wheel frame pallet, and spring vibration damper is equipped with at the rear portion of rear wheel frame pallet, the trailing wheel jaw is equipped with in the bottom, trailing wheel by the hind axle device on the trailing wheel jaw;
The middle part device of raising middle flask has pedal spindle, combines with the above and below of raising middle flask with the stock of pedal spindle.The pedal spindle fluted disc is by pedal spindle device both sides in raising middle flask, the connecting bar disk device is at pedal spindle two ends, raising middle flask both sides, linkage is on connecting bar disk, linkage has stretcher, the pedal spindle fluted disc is by the right sprocket wheel of driving chain connection rear wheel frame axle, and the left sprocket wheel of rear wheel frame axle is connected with the left sprocket wheel of rear wheel frame pallet axle.
2, portable folding bicycle according to claim 1 is characterized in that the profile of portable folding bicycle after folding six plane boxes that are rectangle.
3, portable folding electric bicycle according to claim 1 is characterized in that power pack section can be equipped with the driven by power case, and the driven by power case can be equipped with power supply, electric controller, electrical motor, driven wheel.
4, portable folding electric bicycle according to claim 1, upper box part is provided with groove bench storehouse in it is characterized in that, and the raising middle flask front portion is provided with the trailing wheel storehouse, and the raising middle flask rear portion is provided with the front-wheel storehouse.
5, portable folding electric bicycle according to claim 1, it is characterized in that column support bar, groove pole, bar column groove adopt different wide, long groove hard materials to make, when folding, brake handgrip, direction lever and lever bracket, roofbolt, overlay in the groove of column support bar, fold again in the groove of groove pole into, then fold again in the groove of bar column groove into, stack into front wheel carrier storehouse at last.
6, portable folding electric bicycle according to claim 1, it is characterized in that rear wheel frame pallet shaft device electricity power-assisted input commutating tooth flywheel and ordinary bicycle flywheel, freewheel with the chain connecting device on the right sprocket wheel of the chain break-in axle at rear wheel frame pallet middle part, through the left sprocket wheel of chain break-in axle with the chain drive trailing wheel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02137997 CN1201963C (en) | 2002-07-23 | 2002-07-23 | Portable folding bicycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02137997 CN1201963C (en) | 2002-07-23 | 2002-07-23 | Portable folding bicycle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1394783A true CN1394783A (en) | 2003-02-05 |
CN1201963C CN1201963C (en) | 2005-05-18 |
Family
ID=4749224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02137997 Expired - Fee Related CN1201963C (en) | 2002-07-23 | 2002-07-23 | Portable folding bicycle |
Country Status (1)
Country | Link |
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CN (1) | CN1201963C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101700797B (en) * | 2009-01-18 | 2013-04-24 | 李文杰 | Multifunctional folding bicycle |
CN105083444A (en) * | 2015-09-16 | 2015-11-25 | 熊鹰 | Portable foldable electric bicycle |
CN105329390A (en) * | 2015-10-27 | 2016-02-17 | 谭春升 | Folding bicycle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI629203B (en) * | 2016-12-09 | 2018-07-11 | 祥發金屬工業股份有限公司 | Shearless cross shaft for locomotives |
-
2002
- 2002-07-23 CN CN 02137997 patent/CN1201963C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101700797B (en) * | 2009-01-18 | 2013-04-24 | 李文杰 | Multifunctional folding bicycle |
CN105083444A (en) * | 2015-09-16 | 2015-11-25 | 熊鹰 | Portable foldable electric bicycle |
CN105329390A (en) * | 2015-10-27 | 2016-02-17 | 谭春升 | Folding bicycle |
CN105329390B (en) * | 2015-10-27 | 2018-01-30 | 谭春升 | A kind of folded bicycle |
Also Published As
Publication number | Publication date |
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CN1201963C (en) | 2005-05-18 |
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Granted publication date: 20050518 Termination date: 20120723 |