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    • 1. 发明授权
    • Rear fork for a motorcycle
    • 后叉为摩托车
    • US5724850A
    • 1998-03-10
    • US568553
    • 1995-12-07
    • Toshio YamagiwaHiroki Makino
    • Toshio YamagiwaHiroki Makino
    • B21K21/12B62K25/28
    • B21K21/12B62K25/283
    • The present invention provides a pivot pipe for a rear fork of a motorcycle, capable of being formed at comparatively low cost by a simple process. The pivot pipe has a lightweight, strong construction and does not vary widely in quality from one pivot pipe to another. The pivot pipe is connected to a right swing arm and a left swing arm and includes a first end supported on a needle bearing mounted on a pivot shaft and a second end having an inside diameter greater than that of the first end supported on a ball bearing mounted on the pivot shaft. The pivot pipe is formed by expanding one end of a single pipe by press working.
    • 本发明提供一种用于摩托车的后叉的枢轴管,其能够通过简单的工艺以相对低的成本形成。 枢轴管具有轻质,坚固的结构,并且在质量上从一个枢轴管到另一个枢转管不变。 枢转管连接到右摆臂和左摆臂,并且包括支撑在安装在枢轴上的滚针轴承上的第一端和具有大于支撑在滚珠轴承上的第一端的内径的第二端 安装在枢轴上。 枢轴管通过压力加工使单管的一端膨胀而形成。
    • 7. 发明授权
    • Shock absorber for a two-wheeled vehicle
    • 两轮车的减震器
    • US06637786B2
    • 2003-10-28
    • US10207987
    • 2002-07-31
    • Toshio Yamagiwa
    • Toshio Yamagiwa
    • B60R1902
    • F16F7/121B62J23/00B62J27/00B62K2202/00
    • To provide a shock absorber for a two-wheeled vehicle that can effectively absorb a large amount of energy generated in case of a collision, and can be mounted easily on the two-wheeled vehicle. A lattice body of synthetic resin is formed by reducing the thickness of a plurality of plate ribs gradually from the proximal ends to the distal ends and disposing the plate ribs intersecting with each other. The lattice bodies are arranged in a stack such that the direction of the plate ribs extending from the proximal ends toward the distal ends is oriented along the fore-and-aft direction of the two-wheeled vehicle. The shock absorber is mountable at the front end of the two-wheeled vehicle.
    • 为了提供两轮车辆的减震器,能够有效地吸收碰撞时产生的大量能量,并且可以容易地安装在两轮车上。 合成树脂的格子体通过从近端到远端逐渐减小多个板状肋的厚度而形成,并且设置彼此相交的板状肋。 格子体以堆叠方式排列,使得从近端向远端延伸的板状肋条的方向沿着两轮车辆的前后方向定向。 减震器可安装在两轮车辆的前端。
    • 10. 发明授权
    • Vehicle body frame of motor bicycle
    • 汽车车身框架的摩托车
    • US4699233A
    • 1987-10-13
    • US742179
    • 1985-06-07
    • Noritaka KogaToshio Yamagiwa
    • Noritaka KogaToshio Yamagiwa
    • B62K19/12B62K11/02B62K11/04B62K19/20B62K19/32B62K3/02
    • B62K11/02B62K19/20
    • A pair of right and left main pipes and or a pair of right and left down tubes, or a main pipe and a down tube are formed of one piece of continuous pipe material with its intermediate portion warped. The head pipe has a supporting surface portion corresponding to the surface of the aforementioned warped intermediate portion. This supporting surface portion is integrally cast together with a tubular main body portion of the headpipe. The warped intermediate portion of the pipe material is fixed to the supporting surface portion of the head pipe by welding. According to the present invention, the constructions and shapes of the welded portions are simplified. Thus, the invention is best suited to robot welding in order to improve productivity. Also, the head pipe is formed at its front surface or its both sides of its tubular main body portion with an opening in order to reduce the weight.
    • 一对左右主管和一对左右下管,或主管和下管由一片连续管材形成,其中间部分翘曲。 头管具有对应于上述弯曲中间部分的表面的支撑表面部分。 该支撑表面部分与顶管的管状主体部分一体地铸造。 管材的弯曲中间部分通过焊接固定到头管的支撑表面部分。 根据本发明,焊接部分的结构和形状被简化。 因此,为了提高生产率,本发明最适合于机器人焊接。 此外,头管在其管状主体部分的前表面或其两侧形成开口,以减轻重量。