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    • 6. 发明授权
    • Composite bicycle frame and method of manufacturing
    • 复合自行车架及其制造方法
    • US5803476A
    • 1998-09-08
    • US519568
    • 1995-08-25
    • Steven H. OlsonJames S. BusbyStanley A. Needle
    • Steven H. OlsonJames S. BusbyStanley A. Needle
    • B62K19/16B62D3/04
    • B62K19/16
    • A bicycle frame has a seat tube fitting to which a seat is attachable, a head tube fitting to which forks are attachable, and a bottom bracket fitting to which a crank shaft is attachable. A single frame tube of fiber reinforced polymer composite interconnects the seat tube fitting, head tube fitting, and bottom bracket fitting in a manner which provides a lightweight, and durable bicycle frame. The single frame tube is formed by disposing the seat tube fitting, head tube fitting, and bottom bracket fitting within a first mold section, then disposing a bladder covered with polymer impregnated fiber within the first mold section such that the bladder passes through openings in the seat tube fitting, head tube fitting, and bottom bracket fitting. The bladder is then inflated while the polymer impregnated fiber is heated so as to form a fiber reinforced polymer composite which conforms to the shape of the cavity formed within the mold, thereby defining the desired bicycle frame.
    • 自行车车架具有座椅配件,座椅可安装在座管配件上,可以安装叉子的头管配件和可附接曲柄轴的底部支架配件。 纤维增强聚合物复合材料的单框管将座管配件,头管配件和底托架配件以提供轻便耐用的自行车车架的方式相互连接。 单个框架管通过将座管配件,头管配件和底部支架配件设置在第一模具部分内,然后将聚合物浸渍的纤维覆盖的囊状物放置在第一模具部分内,使得气囊通过 座管配件,头管配件和底托配件。 然后在聚合物浸渍的纤维被加热的同时膨胀膀胱,以便形成符合在模具内形成的空腔的形状的纤维增强的聚合物复合材料,从而限定所需的自行车车架。