Draw-bar box type portable folding electro-tricycle with folding chair function
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-061/00
B62K-015/00
B62K-005/06
B62K-005/027
B62K-013/08
출원번호
US-0871655
(2015-09-30)
등록번호
US-9469366
(2016-10-18)
우선권정보
CN-2013 2 0156454 (2013-04-01)
발명자
/ 주소
Wang, Jianmin
Wang, Sumi
출원인 / 주소
Wang, Jianmin
대리인 / 주소
Trask, Brian C.
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A portable foldable electric tricycle that can be folded to form a trolley suitcase shape and a chair includes a folding frame connecting a front wheel assembly and handlebar assembly to a seat. The front wheel assembly includes an electric motor to drive the front wheel. A backrest and rear wheel a
A portable foldable electric tricycle that can be folded to form a trolley suitcase shape and a chair includes a folding frame connecting a front wheel assembly and handlebar assembly to a seat. The front wheel assembly includes an electric motor to drive the front wheel. A backrest and rear wheel assembly are hinge connected with the seat by oppositely disposed four bar linkages. A stand is hinge connected to the seat. The folding frame, front wheel assembly and handlebar assembly can be folded to a position within the seat and the stand folded to a position in which it supports the seat to define the chair configuration of the electric tricycle. The backrest and rear wheel assembly can be folded to non-extended positions in which they are disposed adjacent the seat to define the trolley suitcase configuration of the case.
대표청구항▼
1. A portable foldable electric tricycle that can be folded to form a trolley suitcase shape or a chair, said electric tricycle comprising a controlling handlebar,a seat case,a foldable frame,a front wheel, andrear wheels,wherein:said foldable frame has two rear end portions and both rear end portio
1. A portable foldable electric tricycle that can be folded to form a trolley suitcase shape or a chair, said electric tricycle comprising a controlling handlebar,a seat case,a foldable frame,a front wheel, andrear wheels,wherein:said foldable frame has two rear end portions and both rear end portions of the foldable frame are hinged to a front of the seat case,a front end of the foldable frame is hinged to a foldable front wheel base,a hook locking component is attached to a front end of the foldable front wheel base,a front wheel fork is secured to a lower part of the foldable front wheel base,a front wheel torque transmission male component is placed at an upper part of the front wheel fork,the front wheel is mounted to a lower part of the front wheel fork,a drive motor is installed at the middle of the front wheel,the front end of the foldable frame is connected to a foldable handlebar base,the controlling handlebar is installed onto an upper end of foldable handlebar base,a motor speed adjuster is installed on the controlling handlebar,a handlebar torque transmission female component is attached to a lower end of the controlling handlebar,a latch hook is installed to the front of the foldable handlebar base,a backrest is hinged to an upper end of the seat case at a backrest folding joint and to a connecting rod at a backrest edge joint,a foldable rear wheel stand is hinged to a lower end of the seat case at a rear wheel stand hinge joint and the rear wheels are attached to the foldable rear wheel stand,a lower end of the foldable rear wheel stand is hinged to the connecting rod at a rod lower end hinge joint,a front end of an elastic pushing rod is hinged to a lower part of the backrest at the backrest edge joint,the elastic pushing rod is hinged to the back of the seat case at a pushing rod stopping joint,a backrest connecting rod between the backrest folding joint and the backrest edge joint, the connecting rod, the foldable rear wheel stand and the seat case between the rear wheel stand hinge joint and the backrest folding joint define a four bar linkage,a foldable beam is hinged to the front of the seat case, andwhen folded into a tricycle state from the trolley suitcase shape, the foldable frame is folded to the front of the seat case, the controlling handlebar is folded to an upright position, the front wheel fork is folded to an upright position, the foldable handlebar base, the foldable front wheel base and foldable frame are interlocked by snapping the hook locking component and the latch hook, and the front wheel torque transmission male component at the upper end of the front wheel fork is interlocked with the handlebar torque transmission female component at the lower end of the controlling handlebar. 2. A portable foldable electric tricycle as claimed in claim 1, wherein two oppositely disposed foldable footrests are attached to respective sides of the front wheel fork. 3. A portable foldable electric tricycle as claimed in claim 1, wherein a motor speed adjuster is installed to the controlling handlebar. 4. A portable foldable electric tricycle as claimed in claim 1, wherein a reflective device is attached at a back side of the backrest. 5. A portable foldable electric tricycle foldable to form a chair or trolley suitcase shape, said electric tricycle comprising: a seat having an interior space;a foldable frame extending from said seat;a handlebar assembly that is hinge connected to said foldable frame;a front wheel assembly that is hinge connected to said foldable frame, said front wheel assembly comprising a front wheel and an electric motor to drive said front wheel;a backrest;two rear wheels;respective four bar linkages pivot connecting said rear wheels and said backrest to said seat, wherein each of said four bar linkages comprises a wheel support rod that extends from a first hinge connection that connects said wheel support rod to said seat and is connected with the respective rear wheel, a back rest support rod that is hinge connected to said seat by a second hinge connection that is spaced apart from said first hinge connection, a connecting rod hinge connected to said backrest support rod and said wheel support rod by third and fourth hinge connections respectively and said seat between said first and second hinge connections;an elastic biasing strut that is hinge connected to the seat and to the third hinge connection; anda stand hinge that is hinge connected to said seat,wherein said handlebar assembly and front wheel assembly can be folded from respective extended use positions towards said foldable frame to respective collapsed positions and said foldable frame together with said handlebar assembly and front wheel assembly in said collapsed positions can be folded into said interior space to a stored position,wherein with said foldable frame, handlebar assembly and front wheel assembly in said stored position, said stand can be pivoted to a supporting position whereby in cooperation with said rear wheels said stand supports said seat to form said chair,wherein said four bar linkages are configured to permit said back rest and rear wheels to pivot from respective extended use positions towards said seat to respective retracted positions, whereby with said foldable frame, handlebar assembly and front wheel assembly in said stored position said electric tricycle forms said trolley suitcase shape, andwherein said handlebar assembly and front wheel assembly define a male member and a female member that interengage when said handlebar assembly and front wheel assembly are in said extended use positions to transfer a steering torque from said handlebar assembly to said front wheel assembly. 6. A portable foldable electric tricycle as claimed in claim 5, wherein said stand is pivotable from said supporting position to a position projecting from said seat to form a towing handle for said electric tricycle when in said trolley suitcase shape. 7. A portable foldable electric tricycle as claimed in claim 5, wherein said front wheel assembly comprises a fork to support said front wheel and oppositely directed foldable footrests attached to said fork. 8. A portable foldable electric tricycle as claimed in claim 5, wherein said handlebar assembly is provided with a motor speed adjustor configured to permit a rider to control the speed of said electric motor. 9. A portable foldable electric tricycle as claimed in claim 5, wherein when in said collapsed positions said handlebar assembly and front wheel assembly lie in oppositely disposed relation and said foldable frame extends between said handlebar and front wheel assemblies. 10. A portable foldable electric tricycle as claimed in claim 5, further comprising a latching hook assembly for releasably securing said handlebar assembly to said front wheel assembly when said handlebar assembly and front wheel assembly are in said extended use positions. 11. A portable foldable electric tricycle as claimed in claim 5, further comprising a battery to power said electric motor, said battery housed in said interior space. 12. A portable foldable electric tricycle as claimed in claim 5, wherein said stand comprises a U-shaped member having respective arms hinge connected to opposed sides of said seat.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (7)
Brandenfels Carl W. (32934 Pittsburg Rd. St. Helens OR 97051), Dismantlable and collapsible utility cart.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.