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    Method of making a single rear fork bicycle frame
    1.
    发明授权
    Method of making a single rear fork bicycle frame 失效
    制造单个后叉自行车车架的方法

    公开(公告)号：US5676780A

    公开(公告)日：1997-10-14

    申请号：US445249

    申请日：1995-05-19

    申请人： Yu-Hsuan Chen ,  Rong-Shian Liu ,  Chin-I Lin ,  Gou-Don Chu

    发明人： Yu-Hsuan Chen ,  Rong-Shian Liu ,  Chin-I Lin ,  Gou-Don Chu

    IPC分类号： B62K11/02 ,  B29C70/06 ,  B29C70/34 ,  B29K105/08 ,  B29L31/30 ,  B62K19/16 ,  C08J5/24 ,  B29C43/10 ,  B29C65/02 ,  B32B5/20 ,  B32B5/28

    CPC分类号： B29C70/345 ,  B29C70/342 ,  B62K19/16 ,  B29C2791/001 ,  B29L2031/3091

    摘要： A composite legal type bicycle frame is disclosed which contains a front frame portion and a rear frame portion. The front frame portion contains a central main and a plurality of legs for connecting the central main with various components of the bicycle, and the rear frame portion contains a rear fork, which consists of a left rear branch and a right rear branch. The left and right rear branches are first cured and glued together at respective abutting surfaces thereof to form an integral rear fork before they are adjoined with the front frame portion, via prepregs and using a cocuring procedure. The left and right rear branches are formed to contain cross-shaped matching protrusion and recess, respectively, on the abutting surfaces thereof, so as to enhance the integrity of the integral rear fork. As a result, a great flexibility of design options can be obtained. For example, the rear fork can be connected to one of the legs but not to the central main. Also, the front frame portion can be designed such that one of the legs is connected indirectly to the central main via another leg, and not directly connected to the central main.

    摘要翻译： 公开了一种复合法式自行车车架，其包括前框架部分和后框架部分。 前框架部分包括用于将中央主体与自行车的各种部件连接的中心主体和多个腿，并且后框架部分包含由左后分支和右后分支组成的后叉。 左右后分支首先在相应的邻接表面固化并胶合在一起，以便在与前框架部分相邻之前通过预浸料并使用共固化方法形成一体的后叉。 左右后分支形成为在其邻接表面上分别包含十字形匹配突起和凹部，以便增强整体后叉的完整性。 因此，可以获得极大的灵活性的设计选项。 例如，后叉可以连接到其中一个腿，而不是连接到中心主。 此外，前框架部分可以被设计成使得一个腿经由另一个腿间接地连接到中心主体，并且不直接连接到中心主体。

    Composite bicycle frame with y shaped tubular configuration
    5.
    发明授权
    Composite bicycle frame with y shaped tubular configuration 失效
    复合自行车架具有y形管状结构

    公开(公告)号：US5544907A

    公开(公告)日：1996-08-13

    申请号：US414257

    申请日：1995-03-31

    申请人： Chin-l Lin ,  Yu-Hsuan Chen ,  Gou-Don Chu

    发明人： Chin-l Lin ,  Yu-Hsuan Chen ,  Gou-Don Chu

    IPC分类号： B29C70/34 ,  B62K3/02 ,  B62K19/06 ,  B62K19/16

    CPC分类号： B62K3/02 ,  B29C70/342 ,  B62K19/06 ,  B62K19/16

    摘要： A composite bicycle frame containing a hollow slanted-Y-shaped front frame portion, a hollow upper support paw and a hollow lower support paw. The hollow slanted-Y-shaped front frame portion comprises: (1) a generally common junction; (2) a main tube connected between the front fork assembly of the bicycle and a middle portion of the common junction in a slanted manner; (3) an upper branch tube connected between the seat assembly of the bicycle and an upper portion of the common junction in a slanted manner; and (4) a lower branch tube connected between the pedal support assembly of the bicycle and a lower portion of the common junction in a slanted manner. The hollow upper support paw is connected between the seat assembly and the rear wheel shaft assembly of the bicycle, and the hollow lower support paw connected between the pedal support assembly and the rear wheel shaft assembly. A set of generally hollow front, seat tube and bottom bracket junctions are provided for connecting, respectively, (1) between the hollow main tube and the head tube, (2) among the hollow upper branch tube, the seat tube sleeve, and the upper support paw, and (3) among the hollow lower branch tube, the bottom bracket tube, and the lower support paw. Each of the hollow tubes, paws, and junctions comprises at least a fibrous material impregnated with a synthetic resin, and these tubes, paws, and junctions are integrally united by overlapping edges of the resin impregnated fibrous material. The upper support paw and the lower support paw are connected to the rear wheel assembly at opposite sides thereof, with the upper support paw being disposed at the same side as the drive chain of the bicycle. This allows great flexibility to be obtained in designing bicycle chain related components, such as the crank set assembly and the rear derailleur assembly.

    摘要翻译： 一种复合自行车车架，包括中空的倾斜Y形前框架部分，中空上支撑爪和中空下支撑爪。 中空的倾斜的Y形前框架部分包括：（1）一般共同的接头; （2）以倾斜的方式连接在自行车的前叉组件和公共接头的中间部分之间的主管; （3）上部支管，其以倾斜的方式连接在自行车的座椅组件和公共接头的上部之间; 和（4）下部支管，其以倾斜的方式连接在自行车的踏板支撑组件和公共接头的下部之间。 中空的上支撑爪连接在座椅组件和自行车的后轮轴组件之间，中空的下支撑爪连接在踏板支撑组件和后轮轴组件之间。 提供一套大体上中空的前排座椅管和底部支架接头，用于连接中空主管和头管之间的（1），（2）在空心上支管，座管套管和 上支撑爪和（3）在中空下分支管，底托架管和下支撑爪之间。 中空管，爪和接头中的每一个至少包括浸渍有合成树脂的纤维材料，并且这些管，爪和接头通过树脂浸渍的纤维材料的重叠边缘整体地结合在一起。 上支撑爪和下支撑爪在其相对侧连接到后轮组件，上支撑爪设置在与自行车的驱动链相同的一侧。 这在设计自行车链相关部件（例如曲柄组件组件和后拨链器组件）时可以获得很大的灵活性。