IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0741257
(2013-01-14)
|
등록번호 |
US-8746730
(2014-06-10)
|
우선권정보 |
CN-2012 1 0431697 (2012-11-02) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Dongguan Prestige Sporting Products Co. Ltd.
|
대리인 / 주소 |
Morris Manning & Martin LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
8 |
초록
▼
A foldable frame includes first and second upper bars, first and second lower bars, and first and second pin joint pieces. The first and second pin joint pieces are respectively provided with first and second pin joint holes. The first and second lower bars are respectively fixed with the first and
A foldable frame includes first and second upper bars, first and second lower bars, and first and second pin joint pieces. The first and second pin joint pieces are respectively provided with first and second pin joint holes. The first and second lower bars are respectively fixed with the first and second pin joint pieces. The first pin joint piece is pin-jointed with the second pin joint piece through the first pin joint hole, and end surfaces of the first and second pin joint pieces respectively abut against end portions of the second and first lower bars. Two ends of the first upper bar are respectively pin-jointed with an upper end of a front wheel support and at the second pin joint hole of the second pin joint piece. Two ends of the second upper bar are respectively pin-jointed with a rear wheel support and at the second pin joint hole of the first pin joint piece.
대표청구항
▼
1. A foldable frame, mounted between a front wheel support and a rear wheel support of a foldable vehicle, comprising: (a) a first upper bar;(b) a first lower bar;(c) a second upper bar;(d) a second lower bar;(e) a first pin joint piece; and(f) a second pin joint piece,wherein the first pin joint pi
1. A foldable frame, mounted between a front wheel support and a rear wheel support of a foldable vehicle, comprising: (a) a first upper bar;(b) a first lower bar;(c) a second upper bar;(d) a second lower bar;(e) a first pin joint piece; and(f) a second pin joint piece,wherein the first pin joint piece and the second pin joint piece are respectively provided with a first pin joint hole and a second pin joint hole; an end of the first lower bar is pin-jointed with a lower end of the front wheel support, and another end of the first lower bar is fixed with the first pin joint piece; an end of the second lower bar is pin-jointed with a lower end of the rear wheel support, and another end of the second lower bar is fixed with the second pin joint piece; the first pin joint piece is pin-jointed with the second pin joint piece through the first pin joint hole, and end surfaces of the first pin joint piece and the second pin joint piece respectively abut against end portions of the second lower bar and the first lower bar; an end of the first upper bar is pin-jointed with the front wheel support, and another end of the first upper bar is pin-jointed at the second pin joint hole of the second pin joint piece; an end of the second upper bar is pin-jointed with the rear wheel support, and another end of the second upper bar is pin-jointed at the second pin-joint hole of the first pin joint piece. 2. The foldable frame according to claim 1, further comprising a foldable seat, wherein the foldable seat comprises a seat, a first support bar and a second support bar, a front end of the seat is pin-jointed with an upper end of the rear wheel support, a rear end of the seat is pin-jointed with an end of the first support bar, another end of the first support bar is pin-jointed with an end of the second support bar, and another end of the second support bar is pin-jointed with the rear wheel support. 3. The foldable frame according to claim 2, further comprising a linkage bar, wherein a connection portion is extended from an end of the second support bar and is pin-jointed with a middle portion of the rear wheel support, a tail end of the connection portion is pin-jointed with an end of the linkage bar, and another end of the linkage bar is pin-jointed with the second lower bar. 4. The foldable frame according to claim 2, further comprising a third support bar and a locking mechanism, wherein an end of the third support bar is pin-jointed with the first support bar, a first long hole is opened on a side wall of the seat, a shaft pin is disposed at another end of the third support bar, the shaft pin is disposed in the first long hole in a sliding manner, the locking mechanism comprises a fastening hook, a rear end of the fastening hook is pin-jointed with a fixing shaft disposed at a bottom portion of the seat, and is capable of being separately fastened with the shaft pin. 5. The foldable frame according to claim 4, wherein the locking mechanism further comprises a pushing piece, the pushing piece is mounted on the side wall of the seat in a sliding manner, and a pushing block is provided at an end of the pushing piece, a receiving hole with an opening is opened on the fastening hook, the pushing block is received in the receiving hole, the opening is used for the pushing block to enter and exit, a front end of the receiving hole has a first slope tilted from an upper end to the front end, and the pushing block abuts against the first slope in a sliding manner. 6. The foldable frame according to claim 4, wherein a front end of the fastening hook has a second slope tilted from an upper end to a rear end, and when the shaft pin slides backward along the long hole, the second slope abuts against the shaft pin in a sliding manner. 7. The foldable frame according to claim 4, wherein the locking mechanism further comprises a torsion spring, an end of the torsion spring abuts against the rear end of the fastening hook, and another end of the torsion spring abuts against the seat. 8. The foldable frame according to claim 5, wherein a second long hole is opened on the side wall of the seat, a sliding shaft is disposed on the pushing piece, and the sliding shaft passes through the second long hole in a sliding manner. 9. The foldable frame according to claim 8, wherein the locking mechanism further comprises an elastic piece, an end of the elastic piece is connected with the fixing shaft, and another end of the elastic piece is connected with the sliding shaft. 10. The foldable frame according to claim 9, wherein the elastic piece an extension spring. 11. A foldable vehicle, comprising a foldable frame according to claim 1.
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