IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0260316
(1994-06-15)
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발명자
/ 주소 |
- Weng Kuan-Jen (No. 3-12 Min Jue Rd. Tainan TWX)
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인용정보 |
피인용 횟수 :
22 인용 특허 :
0 |
초록
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A golf cart comprising a handle, an upper tube, a middle tube, an upper cover for the middle tube, a lower tube, an upper cover for the lower tube, an upper bracket, a lower bracket having a support base, a lower cover for the lower tube, a rocking butterfly plate, a rocking slide block, a link asse
A golf cart comprising a handle, an upper tube, a middle tube, an upper cover for the middle tube, a lower tube, an upper cover for the lower tube, an upper bracket, a lower bracket having a support base, a lower cover for the lower tube, a rocking butterfly plate, a rocking slide block, a link assembly and cart wheels, wherein the handle is fixed on an upper end of the upper tube and the upper, middle and lower tubes are fitted into each other and pressed and fixed by screws. The upper bracket and lower bracket are respectively fitted on the middle tube and lower tube and fixed by eccentric pressing blocks. The rocking butterfly plate is fitted on a rear face of the lower tube and fixed by the eccentric pressing block. The rocking slide block is slidably fitted into the dovetail channel of the lower tube. By means of the cooperation of the V-shaped pull lever and link assembly, with the rocking slide block, the wheel support is foldable. The golf cart can be assembled by the user himself/herself and the room for assembling and transferring the golf cart is saved. In addition, the golf cart is assembled mostly by dovetail seat and channel instead of screws so as to reduce the assembling time.
대표청구항
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A golf cart comprising a handle, an upper tube, a middle tube, an upper cover for the middle tube, a lower tube, an upper cover for the lower tube, an upper bracket, a lower bracket having a support base, a lower cover for the lower tube, a rocking butterfly plate, a rocking slide block, a link asse
A golf cart comprising a handle, an upper tube, a middle tube, an upper cover for the middle tube, a lower tube, an upper cover for the lower tube, an upper bracket, a lower bracket having a support base, a lower cover for the lower tube, a rocking butterfly plate, a rocking slide block, a link assembly, left rocking arms, right rocking arms and cart wheels, wherein the handle is fixed on an upper end of the upper tube and the left rocking arms are connected between the rocking butterfly plate and connecting members for installing the wheels, the rocking arms being driven by the link assembly to retract or stretch the wheels, said golf cart being characterized in that: the upper tube being a rectangular hollow tube, a lower end of the upper tube being formed with an upward bent pressing plate, two through holes being formed on lateral sides of the lower end of the upper tube for disposing therein a V-shaped leaf spring which has two free ends each of which has an outward projecting boss extending through and outside the through holes of the upper tube; the middle tube also being a hollow tube having an interior space corresponding to the upper tube, two lug channels being disposed on two sides of the space of the middle tube corresponding to the upper cover, a dovetail seat being disposed in front of the space, two fixing holes being formed on two sides of an upper end of the middle tube, two through holes being formed on two sides of a lower end of the middle tube for mounting a V-shaped leaf spring therein; the upper cover for the middle tube being a hollow plastic-made member having a lower dovetail seat with a fixing block, a fixing through hole being disposed on a rear face of the upper cover for the middle tube, two lateral lugs being disposed on two lateral sides of the upper cover for the middle tube, whereby the dovetail seat thereof is engaged with the dovetail seat of the middle tube and the lugs of the upper cover for the middle tube are engaged with the lug channels of the middle tube by screws, so that the upper cover is pressed and inserted through the upper cover for the middle tube into the middle tube and fixed therein by the engagement between the V-shaped leaf spring and the fixing holes of the middle tube, and in order to prevent the upper tube from swinging in the middle tube, a screw is extended through a thread hole formed on back face of the upper cover for the middle tube to press against the upper tube and fix the same in the middle tube; the lower tube is a hollow tube member having a front dovetail seat for mounting the lower bracket therein and permitting the middle tube to be inserted into the lower tube, two fixing holes being formed on two sides of upper end of the lower tube corresponding to the leaf spring of the middle tube, a dovetail channel is disposed at a rear end of the lower tube four thread holes being formed at four corners of the lower tube corresponding to the upper cover for the lower tube; the upper cover for the lower tube has a cross-section identical to that of the lower tube, four through holes being disposed at four corners of the upper cover corresponding to the thread holes of the lower tube for engaging the upper cover with the lower tube, a dovetail channel being formed on a rear side of lower end of the upper cover and a thread hole being formed on an upper portion of the dovetail channel, whereby when the middle tube extends through the upper cover into the lower tube, the leaf spring of the middle tube is engaged with the fixing holes of the lower tube and a screw is screwed into the thread hole of the dovetail channel so as to press and fix the middle tube in the lower tube; the upper bracket has a bracket seat and an eccentric pressing block, the bracket seat being formed with a dovetail channel, whereby the bracket seat is fitted into the dovetail seat of the upper cover for the middle tube and slidably engaged with the dovetail seat of the middle tube, two ring hooks having inclined slots extending from two lateral sides of the bracket seat, the bracket seat being a frame-like member so that a spring pin is extended through both the upper bracket and the eccentric pressing block with an eccentric hole and the spring pin passes through the inclined slots of the ring hooks into a central portion thereof, whereby the eccentric pressing block is rotated to press against the dovetail seat of the middle tube and fix the upper bracket therein; the lower bracket includes a support base and a lower bracket portion integrally connected with the support base, an eccentric block being formed at a top end of the lower bracket portion, an eccentric hole being formed on the eccentric block, a lower bracket seat structurally identical to the upper bracket seat being fitted into the dovetail seat of the lower tube, a spring pin extending through the lower bracket seat and the eccentric hole of the eccentric block, whereby the lower bracket is rotated, making the eccentric block press against the dovetail seat of the lower tube and fix the lower bracket therein; the lower cover for the lower tube has a cross-section identical to that of the lower tube, four thread holes being formed at four corners of the lower cover corresponding to the lower tube for fixing the same on the lower cover; the rocking butterfly plate is integrally formed, having a front dovetail seat, two lateral wings on which the rocking arms are disposed, and a rear fixing plate, a through channel with a transverse slot being disposed at a central portion of the dovetail seat, a spring pin being extended through an eccentric hole of an eccentric pressing block which is disposed in the through channel of the dovetail, the eccentric pressing block being rotated to press against the dovetail channel of the lower tube and fixed therein; the rocking slide block is integrally formed, having a front dovetail seat which is slidably fitted into the dovetail channel of the lower tuber and disposed under the rocking butterfly plate, the rocking slide block having two rear opposite lugs for controlling a V-shaped pull lever, making the same slide along with the rocking slide block and the pull lever being fixed on the rocking arm by screws; and the link assembly includes a folding lever, a linking lever and a V-shaped pull lever, one end of the linking lever being pivotally connected with the lug of the rocking slide block and the other end thereof is pivotally connected with the folding lever, one end of the folding lever being pivotally connected with the fixing plate of the rocking butterfly plate, the V-shaped pull lever being controlled by the rocking slide block and the linking lever being respectively pivotally connected with the rocking slide block and folding lever so that the folding lever controls the rocking slide block to slide within the dovetail channel of the lower tube and control the V-shaped pull lever to fold the rocking arm, whereby when assembled, the upper, middle and lower tubes are fitted into each other by means of the engagement between the V-shaped leaf springs disposed therein and the fixing holes disposed thereon, and the screws are screwed into the upper covers for the middle tube and lower tube for pressing and fixing the upper tube and lower tube, the upper bracket and lower bracket being respectively fitted on the middle tube and lower tube and fixed by the eccentric pressing blocks, the rocking butterfly plate being fitted into the lower tube and fixed therein by the eccentric pressing block, the rocking slide block being slidably fitted into the dovetail channel of the lower tube, the V-shaped pull lever being extended into the rocking slide block to be restricted therewithin and slide along therewith, the link assembly controlling the sliding of the rocking slide block and the folding of the rocking arm.
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