WO2021217971A1 - Trottinette pour enfant - Google Patents

Trottinette pour enfant Download PDF

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Publication number
WO2021217971A1
WO2021217971A1 PCT/CN2020/110911 CN2020110911W WO2021217971A1 WO 2021217971 A1 WO2021217971 A1 WO 2021217971A1 CN 2020110911 W CN2020110911 W CN 2020110911W WO 2021217971 A1 WO2021217971 A1 WO 2021217971A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
children
handle
fixing member
scooter according
Prior art date
Application number
PCT/CN2020/110911
Other languages
English (en)
Chinese (zh)
Inventor
赵国松
Original Assignee
晨辉婴宝儿童用品有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202010356242.XA external-priority patent/CN113562101A/zh
Priority claimed from CN202021675703.1U external-priority patent/CN213620085U/zh
Application filed by 晨辉婴宝儿童用品有限公司 filed Critical 晨辉婴宝儿童用品有限公司
Publication of WO2021217971A1 publication Critical patent/WO2021217971A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K9/00—Children's cycles
    • B62K9/02—Tricycles

Definitions

  • the present invention relates to the technical field of scooters, in particular to a children's scooter.
  • children's scooters generally include armrests and pedals.
  • a wheel assembly is arranged at the bottom of the pedals, and a gravity steering mechanism is arranged between the front wheel set and the pedals.
  • some scooters are also equipped with seats, and the seats have two states, including a horizontally arranged normal use state and a vertically arranged idle state to meet different use needs.
  • the patent document with the publication number CN209719788U discloses a scooter, including a scooter body.
  • the scooter body is provided with a handle bar, the handle bar is fixed with a positioning sleeve, the positioning sleeve is provided with a rotating seat, and the seat body is hinged on On the rotating seat, a rotation limiting device is arranged between the rotating seat and the seat body.
  • the rotating limiting device is effective, the seat body can be kept in a folded/open state. Since the seat needs to bear the weight of the personnel, the material and strength of the hinges need to meet certain requirements, which will increase the cost of the scooter.
  • the invention provides a children's scooter, which is used to solve the technical problem that the material and strength of the hinge in the prior art need to meet certain requirements and increase the cost of the scooter.
  • a children's scooter includes a body, a seat, and a handle.
  • the seat and the body have two insertion postures, corresponding to the first state and the second state of the seat, respectively;
  • One of the seat and the vehicle body is provided with a coupling hole, and the other is at least partially inserted into the coupling hole; a first insertion position is provided on the front side of the seat, and a first insertion position is provided on the rear side of the seat. There is a second insertion position, the handle is connected to the first insertion position in the first state, and the handle is connected to the second insertion position in the second state.
  • the seat includes a bearing portion and a connecting portion connected to the bearing portion, the connecting portion is mated with the vehicle body, and the first plug-in position is located between the bearing portion and the At the connecting part between the two connecting parts, the second plug-in position is located on the side of the carrying part away from the connecting part.
  • the seat includes a support rod and a panel, and the support rod has a bending part;
  • One side of the bending part is used as the connecting part and is mated with the vehicle body;
  • the other side of the bending part is connected to the bottom surface of the panel, and this side and the panel serve as the carrying portion;
  • the bottom surface of the panel is an open structure or a bottom shell is fastened.
  • the first insertion position is provided with a first fixing member, and the first fixing member is connected to at least one of the panel, the bottom shell or the support rod.
  • the handle is connected to the The first fixing parts are plugged into each other;
  • the second plug-in position is provided with a second fixing member, and the second fixing member is connected to at least one of the panel, the bottom shell or the support rod.
  • the handle is connected to the second fixing member. The pieces are plugged into each other.
  • the support rod extends to the rear side of the seat, and the second fixing member is fixedly installed at an end of the support rod located on the rear side of the seat.
  • the support rod has a first installation area and a second installation area, the first installation area and the second installation area are mounting holes opened in the support rod or a structural gap of the support rod itself;
  • the first fixing member is indirectly or directly installed in the first installation area
  • the second fixing member is indirectly or directly installed in the second installation area
  • the first fixing member and the second fixing member have a tubular structure.
  • the included angle of the bending part is 120 degrees to 145 degrees.
  • the included angle between the connecting portion and the vehicle body is 35 degrees to 60 degrees.
  • the handle and the panel are arranged at an included angle, and the included angle between the angle bisector of the included angle and the center line of the coupling hole is 0 to 30 degrees.
  • the seat rotates 180 degrees
  • the vehicle body includes a pedal, a front wheel set mounted on the front side of the pedal, and a rear wheel set mounted on the rear side of the pedal, and a gravity steering mechanism is provided between the front wheel set and the pedal.
  • the scooter further includes a first locking unit, a second locking unit, and a third locking unit;
  • the handle In the first state, the handle is locked at the first insertion position by the first locking unit;
  • the handle In the second state, the handle is locked to the second insertion position by the second locking unit, and the seat is locked to the vehicle body by the third locking unit;
  • Each locking unit adopts at least one of the following configuration modes:
  • the handle includes a holding part and a handle connecting rod connected to the holding part.
  • the hand connecting rod adopts a hollow tube. spring.
  • the end of the handle connecting rod is provided with a plug, and the plug has a through hole arranged in a radial direction.
  • the pin partially protrudes from the handle connecting rod.
  • the bottom of the plug is provided with a bump
  • the bottom of the corresponding handle link is provided with a bayonet that cooperates with the bump.
  • a push rod is included. In the first state of the seat, the push rod is connected to the second insertion position.
  • the push rod is locked in the second insertion position by a fourth locking unit
  • the fourth locking unit adopts the following configuration:
  • the push rod includes a supporting part and a push rod connecting rod connected to the supporting part, the end of the push rod connecting rod is provided with a plug, and the inside of the plug has a through hole arranged in a radial direction.
  • Two movable pins are installed In the through hole, a spring is arranged between the two, and the abutting two movable pins partially protrude from the push rod connecting rod.
  • the bottom of the plug is provided with a bump
  • the bottom of the corresponding push rod connecting rod is provided with a bayonet that cooperates with the bump.
  • the second plug-in position is provided with a second fixing member, and the second fixing member is connected to at least one of the panel, the bottom shell or the support rod.
  • the push rod is connected to the The second fixing parts are plugged into each other.
  • the structure of the scooter can be simplified, and the strength requirements can be more easily met. Compared with the articulation method, the material and strength requirements for the shaft part are reduced.
  • Figure 1a is a schematic structural diagram of the scooter seat of the present invention in a first state
  • Fig. 1b is a schematic diagram of the structure of the scooter shown in Fig. 1a after the push rod is disassembled;
  • Figure 2 is a schematic structural diagram of the scooter seat of the present invention in a second state
  • Figure 3 is a schematic diagram of the structure of the car body in Figure 1;
  • Fig. 4 is a schematic diagram of the structure of the handle in Fig. 1;
  • FIG. 5 is a schematic cross-sectional structure diagram of the handle in FIG. 4;
  • Figure 6 is a schematic diagram of the structure of the handle movable pin in Figure 4.
  • Figure 7 is a schematic diagram of the structure of the push rod in Figure 1;
  • Fig. 8 is a schematic diagram of the structure of the seat in Fig. 1;
  • Fig. 9 is a schematic structural view of the seat in Fig. 8 with the end cover omitted;
  • Fig. 10 is a cross-sectional structure and a partially enlarged schematic diagram of the seat in Fig. 8;
  • Figure 11 is a schematic diagram of the exploded structure of the seat in Figure 8.
  • Figure 12 is a schematic diagram of the handle locking structure of the scooter in the first state of the present invention.
  • Figure 13 is a schematic diagram of the push rod locking structure in the first state of the scooter of the present invention.
  • Locking unit 41. Movable pin; 411, plug; 412, avoidance hole; 413, pin hole; 414, protrusion; 415, gap; 416, through hole;
  • a component when a component is said to be “connected” with another component, it can be directly connected to the other component or there may also be a central component. When a component is considered to be “installed on” another component, it can be directly installed on another component or a centered component may exist at the same time.
  • a child scooter 100 includes a body 10, a seat 30, and a handle 20. There are two insertion positions between the seat 30 and the body 10, corresponding to the first position of the seat 30, respectively. State and second state;
  • a first insertion position 31 is provided on the front side of the seat 30, and a second insertion position 32 is provided on the rear side of the seat 30.
  • the seat 30 is inserted into the vehicle body 10 through the first insertion posture, that is, when the seat 30 is in the first state, the seat 30 is basically in a horizontal position and can be used for people to sit on the seat 30.
  • the handle 20 is connected to the first insertion position 31, the push rod 60 is connected to the second insertion position 32, and an operator standing behind can push the scooter 100 forward through the push rod 60.
  • the seat 30 After the seat 30 is pulled out from the vehicle body 10 and then plugged into the vehicle body 10 through the second plug-in posture, the seat 30 is transformed from the first state to the second state.
  • the seat 30 in the second state is basically In the vertical position, the push rod 60 and the handle 20 are pulled out from the second insertion position 32 and the first insertion position 31 respectively, and then the handle 20 is inserted into the second insertion position 32. At this time, the seat 30
  • the height of the handle 20 can be increased so that a person standing on the vehicle body 10 can grasp the handle 20.
  • the seat 30 includes a seat surface that is shaped to allow a person to sit comfortably.
  • the seat surface only has this technical function in the first state; in the second state, the seat 30 surface does not have this technical function.
  • one of the seat 30 and the vehicle body 10 is provided with a coupling hole 11, and the other is at least partially inserted into the coupling hole 11.
  • the seat 30 may also be connected to the vehicle body 10 by a transition piece.
  • the transition piece is regarded as a part of the seat 30 or the vehicle body 10.
  • the seat 30 when the seat 30 and the body 10 are switched between the two insertion positions, the seat 30 rotates 180 degrees; there are one or more coupling holes 11, and the whole is 180 degrees rotationally symmetrical. , The seat 30 rotates 180 degrees around the center of symmetry of the coupling hole 11.
  • the vehicle body 10 includes a pedal 12, a front wheel set 13 mounted on the front side of the pedal 12, and a rear wheel set 14 mounted on the rear side of the pedal 12.
  • the number of front wheels in the front wheel set 13 is two, and the number of rear wheels in the rear wheel set 14 is one.
  • the number of front wheels and the number of rear wheels can be adjusted according to actual needs, and will not be described here.
  • a gravity steering mechanism 15 is provided between the front wheel set 13 and the pedal 12, and the gravity steering mechanism 15 facilitates the turning function of the scooter 100 during operation.
  • the handle 20 includes a holding portion 21 and a handle connecting rod 22 connected to the holding portion 21.
  • One end of the handle connecting rod 22 is connected to the middle of the holding portion 21, and the other end can be connected to the first plug The connector 31 or the second connector 32 is connected.
  • the push rod 60 includes a supporting part 61 and a push rod link 62 connected to the supporting part 61.
  • One end of the push rod link 62 is connected to the middle position of the supporting part 61, and the other end can be connected to the second plug. Bit 32 connection.
  • the push rod connecting rod 62 may be in the form of a telescopic rod, which is convenient for the user to adjust the height, increases the operating feel, and improves the comfort.
  • the seat 30 includes a bearing portion 33 and a connecting portion 34 connected to the bearing portion 33.
  • the connecting portion 34 is mated with the vehicle body 10, and the first insertion position 31 Located at the joint portion between the bearing portion 33 and the connecting portion 34, the second inserting position 32 is located on the side of the bearing portion 33 away from the connecting portion 34.
  • the seat 30 includes a support rod 35 and a panel 36.
  • the support rod 35 has a bending portion 351.
  • the number and distribution of the coupling holes 11 correspond to the shape of the end of the support rod 35.
  • the coupling holes 11 are One, correspondingly, the support rod 35 is a single rod structure. If the support rod 35 is a side-by-side double rod structure, there are two coupling holes 11.
  • One side of the bending portion 351 is used as the connecting portion 34 and is mated with the vehicle body 10; the other side of the bending portion 351 is connected with the bottom surface of the panel 36 and the side and the panel 36 are used as the bearing portion 33.
  • the handle connecting rod 22 and the support rod 35 are made of rods.
  • pipes are used.
  • the rods in this article The part does not strictly limit the hollow or solid structure, and can be straight or partially curved according to its spatial orientation.
  • the cross-sectional shape is not strictly limited.
  • the cross-sectional shape of the support rod 35 is elliptical.
  • the cross-sectional shape of the support rod 35 may also be a non-circular shape such as a polygon.
  • the support rod 35 When the number of the support rod 35 is one, and the cross-sectional shape of the support rod 35 is circular, the support rod 35 is provided with a limiting groove extending along the center line of the coupling hole 11, and the inner wall of the coupling hole 11 is convexly provided with a limiting groove Matching limit part.
  • the support rod 35 in order to reduce the processing difficulty of the support rod 35, the support rod 35 forms a limiting groove through partial indentation.
  • the bottom surface of the panel 36 has an open structure.
  • a bottom shell 37 is fastened on the bottom surface of the panel 36, and one end of the support rod 35 and the seat 30 is placed between the bottom shell 37 and the panel 36.
  • the bottom shell 37 shields at least a partial area of the bottom surface of the panel 36 or completely shields it.
  • the material of the bottom shell 37 is not limited, and can be used as a separate component or formed by extending at least one side of the panel 36.
  • the included angle of the bending portion 351 is 120 degrees to 145 degrees.
  • the seat 30 is approximately horizontal in the first state, which will cause the angle between the seat 30 and the vertical axis in the second state to be too large, thereby affecting the operation of the handle 20 by personnel. ;
  • the length of the connecting part 34 needs to be increased to meet the requirement of the use height of the seat 30.
  • the angle between the connecting portion 34 and the vehicle body 10 is 35 degrees to 60 degrees.
  • the angle between the connecting portion 34 and the vehicle body 10 is 45 degrees.
  • the position of the seat 30 when in the second state is roughly the same as the position of the handle 20 in the first state.
  • the handle 20 and the panel 36 are in between.
  • the angle is set, and the angle bisector of the angle is close to the center line of the coupling hole 11.
  • the angle between the bisector of the angle and the center line of the coupling hole 11 is 0°-30°.
  • the angle between the bisector of the angle and the center line of the coupling hole 11 is 0°-15°.
  • the angle between the bisector of the angle and the center line of the coupling hole 11 is 0 degrees.
  • the components on both sides of the included angle can be simplified as a straight line, that is, the approximate length of the component. Since the structure of the component itself may have various changes, it can also be simplified as a geometric centerline. , Connections at both ends, etc.
  • the angle between the handle 20 and the panel 36 in the first state is 70 degrees to 120 degrees.
  • the angle between the handle 20 and the panel 36 is 90 degrees.
  • the first insertion position 31 is provided with a first fixing member 311, and the first fixing member 311 is connected to at least one of the panel 36, the bottom case 37 or the support rod 35, and the handle is in the first state. 20 and the first fixing member 311 are inserted into each other.
  • the first fixing member 311 has a tubular structure, and the handle connecting rod 22 on the handle 20 can be inserted into the first fixing member 311.
  • the first fixing member 311 may also be a rod-shaped structure, and the handle connecting rod 22 on the handle 20 is sleeved on the first fixing member 311.
  • the second insertion position 32 is provided with a second fixing member 321, which is connected to at least one of the panel 36, the bottom case 37 or the support rod 35, and is pushed down in the first state.
  • the rod 60 and the second fixing member 321 are inserted into each other, and the handle 20 and the second fixing member 321 are inserted into each other in the second state.
  • the second fixing member 321 has a tubular structure, and the push rod connecting rod 62 of the push rod 60 or the handle connecting rod 22 on the handle 20 can be inserted into the second fixing member 321.
  • the second fixing member 321 may also be a rod-shaped structure, and the push rod connecting rod 62 of the push rod 60 or the handle connecting rod 22 on the handle 20 is tethered to the second fixing member 321.
  • the support rod 35 extends to the rear side of the seat 30, and the second fixing member 321 is fixedly installed at an end of the support rod 35 located on the rear side of the seat 30.
  • the support rod 35 has a first installation area 352 and a second installation area 353.
  • the first fixing member 311 is indirectly or directly installed in the first installation area 352, and the second fixing member 321 is indirectly or directly installed in the second installation area. Installation area 353.
  • the first installation area 352 and the second installation area 353 are installation holes opened in the support rod 35;
  • the first installation area 352 is an installation hole opened along the radial direction of the support rod 35
  • the second installation area 353 is an installation hole opened along the axial direction of the support rod 35.
  • the first fixing member 311 and the second fixing member 321 are respectively inserted into the corresponding mounting holes and fixed by welding or bolts.
  • the first installation area 352 and the second installation area 353 are the structural gaps of the support rod 35 itself.
  • the support rod 35 can form the structural gap by bifurcating itself; or when the number of support rods 35 is multiple, the gap between the support rods 35 is the structural gap.
  • the outer walls of the first fixing member 311 and the second fixing member 321 may respectively have protrusions or grooves that cooperate with the components on both sides of the structural gap to further ensure the stability of the relative position and the connection strength.
  • the seat 30 further includes an end cover 38 that can be buckled with the first insertion position 31 or the second insertion position 32.
  • the handle connecting rod 22 is inserted into the second insertion position 32, and the end cap 38 can be buckled in the first insertion position 31, which makes the overall appearance more beautiful.
  • the scooter 100 further includes a plurality of locking units 40, and the relative positions of the two components that are inserted into each other are maintained by the corresponding locking unit 40, and when the insertion posture needs to be changed, the corresponding unlocking is performed.
  • the plurality of locking units 40 includes, for example, a first locking unit, a second locking unit, a third locking unit, and a fourth locking unit;
  • the handle 20 In the first state, the handle 20 is locked to the first insertion position 31 by the first locking unit; the push rod 60 is locked to the second insertion position 32 by the fourth locking unit, and in the second state, the handle 20 passes through the second insertion position.
  • the locking unit is locked to the second plug-in position 32;
  • the seat 30 is locked to the body 10 by the third locking unit;
  • Each locking unit 40 can be configured independently, or share certain structures.
  • one of the two locked units has a movable pin 41, and the other has a pin hole 413 that cooperates with the movable pin 41; or
  • the hole wall of the coupling hole 11 is provided with a threaded hole and a bolt is penetrated therethrough, and the bolt abuts against the outer wall of the support rod 35 in the seat 30 to lock the seat 30.
  • the handle connecting rod 22 of the first locking unit adopts a hollow tube
  • the wall of the tube is provided with an escape hole 412
  • the hollow tube is provided with a movable pin 41 and a spring that drives the movable pin 41 to extend out of the escape hole 412, as shown in FIG.
  • a plug 411 is provided at the end of the handle connecting rod 22 or the push rod connecting rod 62.
  • the plug 411 has a radially arranged through hole 416, and two movable pins 41 are installed in the through hole. Inside the 416, a spring is arranged between the two, and abutting the two movable pins 41 partially protrude from the handle connecting rod 22 or the push rod connecting rod 62.
  • the bottom of the plug 411 is provided with a bump, and the bottom of the corresponding handle link 22 is provided with a bayonet that cooperates with the bump.
  • the protrusion and the bayonet cooperate to realize the positioning between the plug 411 and the handle connecting rod 22 to ensure communication.
  • the hole 416 is aligned with the two avoiding holes 412.
  • the first fixing member 311 is provided with a pin hole 413 that cooperates with the movable pin 41.
  • the handle link 22 is inserted into the coupling hole 11
  • the edge of the movable pin 41 contacts the first fixing member 311, the arc The edge of the shape begins to be squeezed, the movable pin 41 slowly shrinks into the tube, and the handle connecting rod 22 is further inserted into the first fixing member 311 until the movable pin 41 is aligned with the pin hole 413.
  • the movable pin 41 extends out of the avoiding hole 412 Until it is completely inserted into the pin hole 413, the lock is achieved.
  • the position of the bottom bump of the plug 411 is provided with a notch 415.
  • the first fixing member 311 is provided with a protrusion 414 that matches the notch 415.
  • the notch 415 Cooperating with the protrusion 414, it plays a role of positioning.
  • the handle connecting rod 22 is a non-circular tube, which prevents the handle 20 from being unable to be inserted in place due to the deflection of the handle 20.
  • the fourth locking unit adopts the same structure as the second locking unit.
  • the seat 30 is provided with a pin hole 413 that cooperates with the movable pin 41 of the push rod link 62, and the bottom end of the second fixing member 321 is provided with a protrusion 414 that cooperates with the bottom of the plug 411.
  • an unlocking button 50 is slidably installed on the first fixing member 311 and the seat 30.
  • the unlocking button 50 is arranged on the radially outer side of the movable pin 41. When pressed, the movable pin 41 is squeezed to shrink into the tube to achieve unlocking. .
  • a spring is arranged inside the button, and the spring abuts against the unlocking button 50.
  • the movable pin 41 shrinks into the tube under the squeezing of the unlocking button 50, and then pulls it outwards slightly.
  • the notch 415 of the 411 is separated from the protrusion 414, and the unlocking button 50 is reset after letting go.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

Trottinette pour enfant (100), laquelle trottinette comprend une base de trottinette (10), un siège (30) et un guidon (20). Il y a deux positions d'insertion entre le siège (30) et la base de trottinette (10), correspondant respectivement à un premier état et à un second état du siège (30) ; le siège (30) ou la base de trottinette (10) comprend un trou de combinaison (11), et au moins une partie du siège ou de la trottinette est insérée dans le trou de combinaison (11) ; le côté avant du siège (30) comprend une première position d'insertion (31), et le côté arrière du siège (30) comprend une seconde position d'insertion (32) ; dans le premier état, le guidon (20) est relié à la première position d'insertion (31), et dans le second état, le guidon (20) est relié à la seconde position d'insertion (32). Lorsque le siège (30) et la base de trottinette (10) de la trottinette pour enfant (100) sont reliés à l'aide du trou de combinaison, la structure de la trottinette peut être simplifiée, les exigences de résistance peuvent être plus facilement satisfaites, et en fonction d'un mode articulé, les exigences vis-à-vis du matériau et la résistance d'une partie d'arbre rotatif sont réduites.
PCT/CN2020/110911 2020-04-29 2020-08-24 Trottinette pour enfant WO2021217971A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010356242.X 2020-04-29
CN202010356242.XA CN113562101A (zh) 2020-04-29 2020-04-29 滑板车
CN202021675703.1U CN213620085U (zh) 2020-08-12 2020-08-12 具有推杆的儿童滑板车
CN202021675703.1 2020-08-12

Publications (1)

Publication Number Publication Date
WO2021217971A1 true WO2021217971A1 (fr) 2021-11-04

Family

ID=78332298

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/110911 WO2021217971A1 (fr) 2020-04-29 2020-08-24 Trottinette pour enfant

Country Status (1)

Country Link
WO (1) WO2021217971A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1593590A1 (fr) * 2004-05-05 2005-11-09 H Grossman Limited Trottinette
CN204871400U (zh) * 2015-08-12 2015-12-16 吕伟超 一种多功能滑板车
US20170008592A1 (en) * 2013-10-30 2017-01-12 Razor Usa Llc Scooter with removable toy
CN106864646A (zh) * 2017-02-22 2017-06-20 宁波市鄞州万联运动用品有限公司 儿童滑板车
CN206446717U (zh) * 2017-02-22 2017-08-29 宁波市鄞州万联运动用品有限公司 儿童滑板车

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1593590A1 (fr) * 2004-05-05 2005-11-09 H Grossman Limited Trottinette
US20170008592A1 (en) * 2013-10-30 2017-01-12 Razor Usa Llc Scooter with removable toy
CN204871400U (zh) * 2015-08-12 2015-12-16 吕伟超 一种多功能滑板车
CN106864646A (zh) * 2017-02-22 2017-06-20 宁波市鄞州万联运动用品有限公司 儿童滑板车
CN206446717U (zh) * 2017-02-22 2017-08-29 宁波市鄞州万联运动用品有限公司 儿童滑板车

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