IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0205442
(2002-07-26)
|
우선권정보 |
TW-0204457 (2002-04-03) |
발명자
/ 주소 |
- Chen, Zen-Jye
- Chung, Wen-Huei
- Chu, Shsu-Tung
- Shih, Chi-Ming
- Li, Ju-Pin
|
출원인 / 주소 |
- Aerospace Industrial Development Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
11 |
초록
▼
A wheelchair includes a seat frame having two transverse support rods, a foldable sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a foldable sunk-type backrest module mounted on the backrest fr
A wheelchair includes a seat frame having two transverse support rods, a foldable sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a foldable sunk-type backrest module mounted on the backrest frame and located between the two upright support rods. Thus, the backrest module may be mounted on and detached from the upright support rods of the backrest frame easily, rapidly and conveniently, and the seat module may be mounted on and detached from the horizontal support rods of the seat frame easily, rapidly and conveniently.
대표청구항
▼
1. A wheelchair comprising a seat frame having two transverse support rods, a sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a sunk-type backrest module mounted on the backrest frame and locat
1. A wheelchair comprising a seat frame having two transverse support rods, a sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a sunk-type backrest module mounted on the backrest frame and located between the two upright support rods, the sunk-type seat module including a rigid seat plate having four corners each provided with a combination body and a mating positioning body, the combination body of the seat module having a first section formed with a slotted fixing portion secured on a bottom of a respective one of the four corners of the seat plate of the seat module and a second section formed with a combination portion, the combination portion being formed with a plurality of first adjusting holes, the positioning body of the seat module having a flat section formed with a combination portion secured to the combination portion of the combination body of the seat module, the combination portion of the positioning body of the seat module being formed with a plurality of second adjusting holes, at least one second adjusting hole being selectively aligned with one of the first adjusting holes of the combination portion of the combination body of the seat module, the combination portion of the positioning body of the seat module having a distal end formed with a hook-shaped positioning portion for hooking on the transverse support rod of the seat frame.2. The wheelchair in accordance with claim 1, wherein the combination portion of the combination body of the seat module being is formed with a plurality of first limit portions each having an arcuate slot shape, and the combination portion of the positioning body being formed with a plurality of second limit portions each being shaped as a hole, whereby at least one of the second limit portions of the combination portion of the positioning body is combined with a corresponding one of the first limit portions of the combination portion of the positioning body.3. A wheelchair comprising a seat frame having two transverse support rods, a sunk-type seat module mounted on the seat frame and located between the two transverse support rods, a backrest frame having two upright support rods, and a sunk-type backrest module mounted on the backrest frame and located between the two upright support rods, the backrest module including a rigid backrest plate having four corners each provided with a combination body and a mating positioning body, the combination body of the backrest module having a first section formed with a slotted fixing portion secured on a bottom of a respective one of the four corners of the backrest plate of the backrest module and a second section formed with a combination portion, the combination portion being formed with a plurality of first adjusting holes, the positioning body of the backrest module having a flat section formed with a combination portion secured to the combination portion of the combination body of the backrest module, the combination portion of the positioning body of the backrest module being formed with a plurality of second adjusting holes, at least one second adjusting hole being selectively aligned with one of the first adjusting holes of the combination portion of the combination body of the backrest module, the combination portion of the positioning body of the backrest module at each of two upper corners of the backrest plate of the backrest module having a distal end formed with a hook-shaped positioning portion for hooking on the upright support rod of the backrest frame, and the combination portion of the positioning body of the backrest module at each of two lower corners of the backrest plate of the backrest module has a distal end provided with an insertion rod.4. The wheelchair in accordance with claim 3, wherein the combination portion of the combination body of the backrest module is formed with a plurality of first limit portions each having an arcuate slot shape, and the combination portion of the positioning body being formed with a plurality of second limit portions each being shaped as a hole, whereby at least one of the second limit portions of the combination portion of the positioning body is combined with a corresponding one of the first limit portions of the combination portion of the combination body.5. A wheelchair comprising (a) a seat frame having two transverse support rods, (b) a sunk-type seat module mounted on the seat frame and located between the two transverse support rods, (c) a backrest frame having two upright support rods, (d) a sunk-type backrest module mounted on the backrest frame and located between the two upright support rods, the backrest module including a backrest plate having four corners, and (e) four positioning devices each secured on the backrest frame and respectively located at each of the four corners of the backrest plate of the backrest module, each of the four positioning devices being secured on one of the two upright support rods of the backrest frame, and includes two clamping members combined with each other for clamping the upright support rod of the backrest frame, each of the two clamping members of each of the four positioning devices being formed with an arcuate clamping portion for clamping the upright support rod of the backrest frame, each of the two clamping members of each of the four positioning devices having a first end provided with a hook-shaped receiving portion and a second end secured with a first side of a locking body, the locking body having a second side is formed with a cross-shaped locking groove for locking a retaining body, the retaining body being provided with a protruding locking rib for being locked in the cross-shaped locking groove of the locking body, the locking rib of the retaining body having two ends respectively protruding outwardly from the locking body, and a guide pin extending through each of the retaining body, the locking body, and an elastic member to thereby combine the retaining body, the locking body, and the elastic member.6. The wheelchair in accordance with claim 5, wherein the elastic member has a first end secured on a distal end of the guide pin and a second end urged on the first side of the locking body, whereby the retaining body is pulled to move outwardly relative to the locking body and compress the elastic member, the retaining body being moved toward the locking body by restoring force of the elastic member.
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