CN208198547U - One kind can child stroller capable of transforming for one child or two children - Google Patents

One kind can child stroller capable of transforming for one child or two children Download PDF

Info

Publication number
CN208198547U
CN208198547U CN201820541794.6U CN201820541794U CN208198547U CN 208198547 U CN208198547 U CN 208198547U CN 201820541794 U CN201820541794 U CN 201820541794U CN 208198547 U CN208198547 U CN 208198547U
Authority
CN
China
Prior art keywords
children
child
use state
foot pedal
stroller frame
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn - After Issue
Application number
CN201820541794.6U
Other languages
Chinese (zh)
Inventor
尤志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
Original Assignee
Goodbaby Child Products Co Ltd
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
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN201820541794.6U priority Critical patent/CN208198547U/en
Application granted granted Critical
Publication of CN208198547U publication Critical patent/CN208198547U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

It can child stroller capable of transforming for one child or two children the utility model discloses one kind, including stroller frame, the first seat mechanism being located in stroller frame and the second seat mechanism being detachably arranged in stroller frame, children trolley has one and double use state, when being in single use state, second seat mechanism is separated with stroller frame, when being in double use state, second seat mechanism is located in stroller frame, children trolley further includes the footrest component that rotation is located in stroller frame, footrest component includes foot pedal, foot pedal has the first and second operating positions, second operating position is located at the front of the first operating position, when children trolley is in single use state, foot pedal is in the first operating position, when children trolley is in double use state, foot pedal is in the second operating position.The children trolley can make children's foot-treadle under one and double use state, to make footrest component be fully used, to avoid waste.

Description

One kind can child stroller capable of transforming for one child or two children
Technical field
The utility model relates to articles for children technical fields, and in particular to one kind can child stroller capable of transforming for one child or two children.
Background technique
As two child families are more and more, go-cart for double child is also becoming increasingly popular.In order to facilitate use, existing market On occur it is some can child stroller capable of transforming for one child or two children, but the position of the foot pedal on this kind of children trolley be typically all fix , that is, work as the children trolley as single children trolley in use, can make with foot-treadle as go-cart for double child Used time, foot pedal cannot be trampled for children, and vice versa, to cause a degree of waste.
Summary of the invention
The purpose of this utility model be in view of the deficiencies of the prior art, provide it is a kind of it is improved can single double conversion children Cart.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
One kind can child stroller capable of transforming for one child or two children, including stroller frame, bottom front that the stroller frame is arranged in Front component, the wheel assembly at bottom rear portion that the stroller frame is set, the first seat for being arranged in the stroller frame Mechanism and the second seat mechanism that can be removably disposed in the stroller frame, the children trolley have single use State and double use state, when the children trolley is in single use state, the second seat mechanism is pushed away with described Vehicle carriage separation, when the children trolley is in double use state, the second seat mechanism is arranged in the cart vehicle On frame, the second seat mechanism is located at the front of first seat mechanism, and the children trolley further includes rotatably Footrest component in the stroller frame is set, and the footrest component includes the foot pedal for trampling for children, the foot Pedal has the first operating position and the second operating position, before second operating position is located at first operating position Side, when the children trolley is in single use state, the foot pedal is at the first operating position, and the foot pedal supplies The children rested on first seat mechanism trample, described foot-operated when the children trolley is in double use state The relatively described stroller frame of plate turns at the second operating position, and the foot pedal is for resting on the second seat mechanism Children trample.
Preferably, the footrest component is vertically extended relative to the pivot center that the stroller frame rotates.
Preferably, the footrest component extends in left-right direction relative to the pivot center that the stroller frame rotates.
Preferably, 180 degree is spaced between first operating position and second operating position.
Preferably, the stroller frame includes the fore-stock for installing the front component, and the fore-stock includes position The horizontal company that front support rod and both ends at left and right sides of the children trolley are connected with the front support rod of the left and right sides respectively Bar, the footrest component are rotatably arranged on the tranverse connecting rod, when the children trolley is in single use state, The foot pedal is located at the rear of the tranverse connecting rod, and is located between the front support rod of two sides, when the children trolley is in When double use state, the foot pedal is located at the front of the tranverse connecting rod.
Further, the children trolley further includes for the foot pedal to be locked in the first operating position and the second work Make the locking mechanism at position and the unlocking mechanism for driving the locking mechanism unlock, the footrest component are relatively described The pivot center of stroller frame rotation vertically extends, and the footrest component can rotate and can slide up and down to setting On the tranverse connecting rod, when the locking mechanism is in the lock state, one end of the footrest component, which is supported, is located at the preceding branch Prevent on frame the footrest component from relative to the fore-stock rotate, when the locking mechanism unlock after, the footrest component to Upper sliding makes one end of the footrest component far from the fore-stock, and in the overlapping region of the foot pedal and the fore-stock Interior, the bottom of the foot pedal is located at the top of the fore-stock.
Preferably, the distance between the front component and the wheel assembly can be adjusted, at the children trolley The distance between the front component and the wheel assembly are less than the children trolley in double when single use state The front component is at a distance from the wheel assembly when use state.
Preferably, the stroller frame includes fore-stock for installing the front component and for installing the rear-wheel The after-poppet of component, the fore-stock can stretch along the longitudinal direction, when the children trolley is in single use state, institute State fore-stock shorten along the longitudinal direction make the distance between the front component and the wheel assembly reduce, when the children push away When vehicle is in double use state, the fore-stock extends along the longitudinal direction to be made between the front component and the wheel assembly Distance increase.
Further, the fore-stock includes the first bar extended along the longitudinal direction and can be along the length of first bar Extending direction is slidably arranged in the second bar on first bar, and the rear end of first bar is connect with the after-poppet, The front component is arranged on second bar, and the second seat mechanism is removably disposed on second bar.
Preferably, first seat mechanism is removably disposed in the stroller frame.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art Type can child stroller capable of transforming for one child or two children structure it is simple, by being rotatably arranged on footrest component in stroller frame, such nothing It is that can make children's foot-treadle, to make foot in single use state or double use state by children trolley It steps on component to be fully utilized, can avoid waste.
Detailed description of the invention
Attached drawing 1 can structural representation of the child stroller capable of transforming for one child or two children under single use state for the utility model Figure;
Attached drawing 2 can structural representation of the child stroller capable of transforming for one child or two children under double use state for the utility model Figure;
Attached drawing 3 is structural schematic diagram of the foot pedal of the utility model under the first operating position;
Attached drawing 4 is structural schematic diagram of the foot pedal of the utility model under the second operating position;
Attached drawing 5 is the cross-sectional view (embodiment 1) in attached drawing 4 along line A-A.
Wherein: 1, stroller frame;11, fore-stock;111, the first bar;112, the second bar;113, tranverse connecting rod;12, after-poppet; 13, push rod;2, front component;3, wheel assembly;41, the first seat mechanism;42, second seat mechanism;5, footrest component;51, Foot pedal;52, interconnecting piece;61, First pocket interface;62, second pocket interface;7, unblock button;8, elastic component.
Specific embodiment
The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.
Referring to figure 1 and figure 2 can child stroller capable of transforming for one child or two children, the children trolley include stroller frame 1, setting The bottom front of stroller frame 1 front component 2, be arranged in stroller frame 1 bottom rear portion wheel assembly 3, be arranged in cart The first seat mechanism 41, second seat mechanism 42 and footrest component 5 on vehicle frame 1.
Second seat mechanism 42 is removably disposed in stroller frame 1, and the first seat mechanism 41, which can be fixed at, to be pushed away On vehicle carriage 1, it can also be removably disposed in stroller frame 1.The children trolley has single use state and double makes With state, when children trolley is in single use state, the first seat mechanism 41 is arranged in stroller frame 1, second seat Mechanism 42 is separated with stroller frame 1;When children trolley is in double use state, the first seat mechanism 41 and second seat machine Structure 42 is arranged in stroller frame 1, and second seat mechanism 42 is located at the front of the first seat mechanism 41.In the present embodiment, First seat mechanism 41 and second seat mechanism 42 are all made of the structure type of pocket component, are respectively equipped in stroller frame 1 First pocket interface 61 for the first seat mechanism of grafting 41 and second pocket interface for grafting second seat mechanism 42 62。
Footrest component 5 is rotatably arranged in stroller frame 1, and footrest component 5 includes the foot for trampling for children Pedal 51, footrest component 5 make foot pedal 51 have the first operating position and the second operating position relative to the rotation of stroller frame 1, the Two operating positions are located at the front of the first operating position.When children trolley is in single use state, foot pedal 51 is in the At one operating position, foot pedal 51 is trampled for the children rested on the first seat mechanism 41 at this time, as shown in figures 1 and 3;When When children trolley is in double use state, footrest component 5 makes foot pedal 51 be in the second working position relative to the rotation of stroller frame 1 Place is set, foot pedal 51 is trampled for the children rested on second seat mechanism 42 at this time, as shown in Figure 2 and Figure 4.In this way, the foot The either children trolley of pedal 51 is in single use state or double use state when available utilization, to can avoid Waste.In the present embodiment, 180 degree, i.e. foot pedal 51 are spaced between the first operating position and the second operating position of foot pedal 51 Plane where at the first operating position at the second operating position where plane be in the same plane.
The children trolley further includes the lock for being locked in foot pedal 51 at first operating position and the second operating position The unlocking mechanism determined mechanism and locking mechanism is driven to unlock.When locking mechanism is in the lock state, foot pedal 51 is fixed on It is unable to rotate relative to stroller frame 1 at first operating position or the second operating position, when locking mechanism is in the unlocked state When, footrest component 5 can rotate to enable foot pedal 51 in the first operating position and the second working position relative to stroller frame 1 It is mutually converted between setting.Locking mechanism and the specific structure of unlocking mechanism are not the claimed emphasis of this patent, can be adopted With structure in the prior art.
The following two kinds embodiment can be used relative to the rotating manner that stroller frame 1 rotates about footrest component 5:
Embodiment 1
Footrest component 5 is vertically extended relative to the pivot center that stroller frame 1 rotates, in this way, when children trolley exists One mutually converts between double state, when foot pedal 51 converts between the first operating position and the second operating position, foot Pedal 51 rotates in the horizontal plane, after foot pedal 51 mutually converts between the first operating position and the second operating position, children Always the upper surface of foot pedal 51 is trampled.
Embodiment 2
Footrest component 5 extends in left-right direction relative to the pivot center that stroller frame 1 rotates, in this way, at children trolley In single use state, the work of foot pedal 51 at the first operating position, children trample the upper surface of foot pedal 51, and work as children When cart is in double use state, foot pedal 51 is in the second operating position, the lower end surface of foot pedal 51 is turned to top, this When children trample on the lower end surface of foot pedal 51.
Provide a kind of structure of stroller frame 1 in detail below, certain stroller frame 1 is also not limited to be provided in this implementation Structure:
Stroller frame 1 includes fore-stock 11, after-poppet 12 and push rod 13.Fore-stock 11 is horizontal along being similar to from front to back Direction extends, and front component 2 is mounted on the front end of fore-stock 11.After-poppet 12 tilts down extension, rear wheels from front to back Part 3 is mounted on the lower part of after-poppet 12, and the rear end of fore-stock 11 is connect with after-poppet 12.The inclination upwards from front to back of push rod 13 Extend, the lower part of push rod 13 is connect with the top of after-poppet 12.First pocket interface 61 is fixed on push rod 13, and second Seat pocket interface 62 is fixed on fore-stock 11.
The distance between front component 2 and wheel assembly 3 are adjustable, when children trolley is in single use state before The distance between wheel assembly 2 and wheel assembly 3 are less than front component 2 and wheel assembly when children trolley is in double use state The distance between 3.Specifically, flexible in this embodiment by fore-stock 11 to be configured to stretch along the longitudinal direction Bar is come what is realized, and when children trolley is in single use state, fore-stock 11 shortens backward makes front component 2 and wheel assembly The distance between 3 reduce, and when children trolley is in double use state, fore-stock 11, which extends forward, makes front component 2 with after The distance between wheel assembly 3 increases.
A kind of specific embodiment, fore-stock 11 include front support rod and the both ends being located at left and right sides of children trolley The tranverse connecting rod 113 being connected respectively with the front support rod of the left and right sides, the front support rod of every side include extended along the longitudinal direction One bar 111 and the second bar 112 that can be slidably arranged in along the length extending direction of the first bar 111 on first bar 111, and first The rear end of bar 111 is connect with after-poppet 12, and front component 2 and second pocket interface 62 are arranged on the second bar 112, is ridden Component 5 is rotatably arranged on tranverse connecting rod 113.In the present embodiment, the first bar 111 and the second bar 112 all have lumen, when When children trolley is in single use state, the second bar 112, which slides backward, to be partially retracted in the lumen of the first bar 111, at the very moment When virgin cart is in double use state, 112 forward slip of the second bar is stretched out from the lumen of the first bar 111.
When children trolley is in single use state, foot pedal 51 is located at the rear of tranverse connecting rod 113, and is housed in two sides Front support rod between, when children trolley is in double use state, foot pedal 51 is located at the front of tranverse connecting rod 113.To make The shape of virgin cart is neat and artistic, when between the front support rod that foot pedal 51 is housed in two sides, in foot pedal 51 and front support rod In overlapping region, the upper and lower end faces of foot pedal 51 are without departing from front support rod.
Footrest component 5 further includes the interconnecting piece 52 of connection of rotating with tranverse connecting rod 113, and interconnecting piece 52 is solid with 51 phase of foot pedal Fixed connection.
When footrest component 5 rotates by the way of in embodiment 1 relative to stroller frame 1, interconnecting piece 52 is foot at this time The shaft that component 5 is rotated relative to stroller frame 1 is stepped on, the central axis of the shaft vertically extends.In this embodiment, when Foot pedal 51 is housed between the front support rod of two sides, in the overlapping region of foot pedal 51 and front support rod, above and below foot pedal 51 Both ends of the surface without departing from front support rod when, for enable foot pedal 51 between the first operating position and the second operating position turn It changes, footrest component 5, which can also slide up and down to, to be arranged on tranverse connecting rod 113.In the present embodiment, as shown in figure 5, unlocking mechanism packet Unblock button 7 is included, unblock button 7 is fixedly connected with shaft, and when locking mechanism is in the lock state, footrest component 5 is in elasticity It supports one end under the action of 8 elastic force of part to be located on fore-stock 11 and prevent footrest component 5 from rotating relative to fore-stock 11. After pressing unblock button 7 upwards, unblock button 7 drives footrest component 5 with respect to 113 upward sliding of tranverse connecting rod to make foot-operated group Far from fore-stock 11, and in the overlapping region of foot pedal 51 and fore-stock 11, the bottom of foot pedal 51 is located at for one end of part 5 The top of fore-stock 11, locking mechanism is just in the unlocked state at this time.In this way, when foot pedal 51 is in the first operating position and second When mutually converting between operating position, fore-stock 11 would not form blocking.
When footrest component 5 rotates by the way of in embodiment 2 relative to stroller frame 1, interconnecting piece 52 is to be arranged at this time Lantern ring on tranverse connecting rod 113, footrest component 5 are tranverse connecting rod 113 relative to the rotation axis that stroller frame 1 rotates.
When children trolley is in single use state, second seat mechanism 42 is separated with stroller frame 1, the second bar 112 Opposite first bar 111, which slides backward, to be partially retracted in the lumen of the first bar 111, and foot pedal 51 is in the first operating position, that is, Foot pedal 51 is located at the rear of tranverse connecting rod 113, and is housed between the front support rod of two sides, as shown in Figure 1.
When children trolley is converted from single use state to double use state, make opposite first bar 111 of the second bar 112 Forward slip is stretched out from the lumen of the first bar 111, then unlocks locking mechanism, rotates foot pedal 51 relative to fore-stock 11 180 degree, until foot pedal 51 is in the second operating position, i.e. the front that is located at tranverse connecting rod 113 of foot pedal 51, again by locking Mechanism locks the position of foot pedal 51, finally second seat mechanism 42 is installed at second pocket interface 62, in this way, the youngster Virgin cart is just in double use state, as shown in Figure 2.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (10)

1. one kind can child stroller capable of transforming for one child or two children, including stroller frame, the bottom front of the stroller frame is set before Wheel assembly, the wheel assembly at bottom rear portion that the stroller frame is set, the first seat machine for being arranged in the stroller frame There is one to use shape for structure and the second seat mechanism that can be removably disposed in the stroller frame, the children trolley State and double use state, when the children trolley is in single use state, the second seat mechanism and the cart Vehicle frame separation, when the children trolley is in double use state, the second seat mechanism is arranged in the stroller frame On, the second seat mechanism is located at the front of first seat mechanism, it is characterised in that: the children trolley further includes energy The footrest component being enough rotatably arranged in the stroller frame, the footrest component include foot-operated for trampling for children Plate, the foot pedal have the first operating position and the second operating position, and second operating position is located at first work The front of position, when the children trolley is in single use state, the foot pedal is at the first operating position, described Foot pedal is trampled for the children rested on first seat mechanism, when the children trolley is in double use state, The relatively described stroller frame of the foot pedal turns at the second operating position, and the foot pedal is for resting on the second seat Children in mechanism trample.
2. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: the footrest component is with respect to institute The pivot center for stating stroller frame rotation vertically extends.
3. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: the footrest component is with respect to institute The pivot center for stating stroller frame rotation extends in left-right direction.
4. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: first operating position and 180 degree is spaced between second operating position.
5. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: the stroller frame includes using In the fore-stock for installing the front component, the fore-stock includes the front support rod and two at left and right sides of the children trolley The tranverse connecting rod that end is connected with the front support rod of the left and right sides respectively, the footrest component are rotatably arranged in described On tranverse connecting rod, when the children trolley is in single use state, the foot pedal is located at the rear of the tranverse connecting rod, and position Between the front support rod of two sides, when the children trolley is in double use state, the foot pedal is located at the cross The front of connecting rod.
6. according to claim 5 can child stroller capable of transforming for one child or two children, it is characterised in that: the children trolley further includes For the foot pedal to be locked in the locking mechanism at the first operating position and the second operating position and is used to drive described The unlocking mechanism of locking mechanism unlock, the footrest component are prolonged along the vertical direction relative to the pivot center that the stroller frame rotates It stretches, the footrest component, which can rotate and can slide up and down to, to be arranged on the tranverse connecting rod, when the locking mechanism is in When lock state, one end of the footrest component, which is supported to be located on the fore-stock, prevents the footrest component from the relatively described preceding branch Frame rotation, after locking mechanism unlock, the footrest component upward sliding makes one end of the footrest component far from described Fore-stock, and in the overlapping region of the foot pedal and the fore-stock, the bottom of the foot pedal is located at the preceding branch The top of frame.
7. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: the front component and described The distance between wheel assembly can be adjusted, when the children trolley is in single use state the front component with it is described The distance between wheel assembly is less than the children trolley and is in the front component and the rear wheels when double use state The distance of part.
8. according to claim 1 or claim 7 can child stroller capable of transforming for one child or two children, it is characterised in that: the stroller frame packet The fore-stock for installing the front component and the after-poppet for installing the wheel assembly are included, the fore-stock being capable of edge Front-rear direction is flexible, when the children trolley be in single use state, described in the fore-stock shortens make along the longitudinal direction The distance between front component and the wheel assembly reduce, when the children trolley is in double use state, before described Bracket extends along the longitudinal direction increases the distance between the front component and the wheel assembly.
9. according to claim 8 can child stroller capable of transforming for one child or two children, it is characterised in that: the fore-stock includes along preceding The first bar and can be slidably arranged on first bar along the length extending direction of first bar that rear direction extends The rear end of second bar, first bar is connect with the after-poppet, and the front component is arranged on second bar, described Second seat mechanism is removably disposed on second bar.
10. according to claim 1 can child stroller capable of transforming for one child or two children, it is characterised in that: first seat mechanism It is removably disposed in the stroller frame.
CN201820541794.6U 2018-04-17 2018-04-17 One kind can child stroller capable of transforming for one child or two children Withdrawn - After Issue CN208198547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820541794.6U CN208198547U (en) 2018-04-17 2018-04-17 One kind can child stroller capable of transforming for one child or two children

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820541794.6U CN208198547U (en) 2018-04-17 2018-04-17 One kind can child stroller capable of transforming for one child or two children

Publications (1)

Publication Number Publication Date
CN208198547U true CN208198547U (en) 2018-12-07

Family

ID=64524443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820541794.6U Withdrawn - After Issue CN208198547U (en) 2018-04-17 2018-04-17 One kind can child stroller capable of transforming for one child or two children

Country Status (1)

Country Link
CN (1) CN208198547U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108622168A (en) * 2018-04-17 2018-10-09 好孩子儿童用品有限公司 One kind can child stroller capable of transforming for one child or two children
CN113184037A (en) * 2021-03-31 2021-07-30 广东乐美达集团有限公司 Baby carriage with changeable size seat

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108622168A (en) * 2018-04-17 2018-10-09 好孩子儿童用品有限公司 One kind can child stroller capable of transforming for one child or two children
CN108622168B (en) * 2018-04-17 2024-06-04 好孩子儿童用品有限公司 Child cart capable of being converted by single person and double person
CN113184037A (en) * 2021-03-31 2021-07-30 广东乐美达集团有限公司 Baby carriage with changeable size seat

Similar Documents

Publication Publication Date Title
CN203937786U (en) The truck that is used for bicycle or tiltedly changes trains or buses
CN204846017U (en) Virgin shallow of foldable baby
RU2744777C1 (en) Stroller
CN208198547U (en) One kind can child stroller capable of transforming for one child or two children
CN106005191A (en) Foldable electric scooter
CN107922029B (en) Configurable bicycle and method of transitioning a bicycle between first and second riding states
CN209719802U (en) A kind of Multifunctional scooter
CN108622168A (en) One kind can child stroller capable of transforming for one child or two children
CN110001845B (en) Folding tricycle
CN202089167U (en) Foldable and transformable bicycle
CN104176101A (en) Baby stroller
CN213292581U (en) Children tricycle
CN210027757U (en) Folding tricycle
CN209972551U (en) Folding joint structure and foldable baby carriage applying same
CN218431377U (en) Baby stroller with front-mounted folding structure
CN207141279U (en) A kind of vehicle frame and Multifunctional scooter
CN208069760U (en) A kind of children trolley with automobile seat support rack
CN202716918U (en) Folding stroller
CN207790811U (en) A kind of children trolley
CN206125279U (en) Push away and ride multi -functional mother and infant car
CN205931095U (en) Folding electric scooter
CN211568073U (en) Bassinet with adjustable basket
CN112249143B (en) Collapsible child car of sauntering
CN203996360U (en) A kind of children trolley
CN112660281B (en) Children electric vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20181207

Effective date of abandoning: 20240604

AV01 Patent right actively abandoned

Granted publication date: 20181207

Effective date of abandoning: 20240604