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    • 23. 发明公开
    • Vehicle steering assembly
    • 的车辆的转向装置
    • EP1000846A3
    • 2000-12-27
    • EP99308942.4
    • 1999-11-10
    • Tryphonos, Michael
    • Tryphonos, Michael
    • B62K21/02B62K21/00
    • B62K21/005B62K21/02
    • A steering assembly for a motorcycle comprises a hub 31 mechanically connected to the steering mechanism of the motorcycle for changing the direction of a wheel 1 rotatably coupled to the hub 31. A wishbone 9 is coupled to a main body portion 5 of the motorcycle, and two arms 11, 13 of the wishbone 9 extend either side of the wheel 1. A member 55 passes through the hub 31 and is rigidly coupled 56 to each of the arms 11, 13 of the wishbone 9. A sleeve 35 mounted around the member 55 allows relative rotation therebetween. The sleeve 35 is pivotably coupled to the hub 31 so as to provide for changing the direction of the wheel 1. A link 27 extends from the sleeve 35 and connects to a main body portion 5 of the motorcycle. The rigid coupling of the member 55 to the arms 11, 13 of the wishbone improves torsional rigidity. Another aspect of the invention relates to a steering assembly that allows the axis Y2 of rotation of the wheel 1 for steering and the axis Y1 of rotation of the handle bars 7 to be different. A further aspect of the present invention relates to the alignment of the attachment points of steering linkages 19, 27 and the axis x2 of rotation of the wheel 1 when in the straight ahead position. A yet further aspect of the invention relates to providing for variation in length of at least one of the steering assembly linkages 19, 27. An additional aspect of the present invention relates to the provision of an outer hub 29 mounted around the first-mentioned hub 31 for rotation relative to the outer hub 29 being attached to or integral with the wheel 1 of the vehicle. In this aspect, an aperture 63 is provided in the outer hub 29 to allow adjustment of and/or access to the pivotal coupling between the first mentioned hub and the sleeve 35.
    • 26. 发明公开
    • Three-wheel vehicle
    • DreirädrigesFahrzeug。
    • EP0514997A1
    • 1992-11-25
    • EP92201450.1
    • 1992-05-21
    • LIGTVOET PRODUCTS B.V.
    • Van der Vorst, Arnoldus Marinus Johannes
    • A61G5/04B62K21/00
    • A61G5/045A61G5/1051B62K21/005
    • The invention relates to a three-wheel vehicle, in particular a wheelchair, provided with a frame (1), which is supported by two ground wheels near its rear side and by a steerable ground wheel (6) near its front side, said steerable ground wheel (6) being journalled in a support means (8). On either side of the ground wheel (6) one end of a coupling arm (11) is coupled to said support means (8), in such a manner that each coupling arm (11) is pivotable with respect to the support means (8) about an at least substantially perpendicularly extending first pivot axis (10). The ends of the coupling arms (11) remote from the support means (8) are coupled to the frame (1), by means of at least substantially vertically extending second pivot axes (12), in points located between the steerable ground wheel (6) and the ground wheels arranged near the rear sides. A steering arm (14) is connected to the coupling arms (11) by means of at least substantially vertically extending third pivot axes (17), in points located between said first and said second pivot axes (10,12).
    • 本发明涉及一种三轮车辆,特别是轮椅,其具有框架(1),该框架(1)由靠近其后侧的两个地面轮和靠近其前侧的可操纵的地面轮(6)支撑,所述可转向的 研磨轮(6)被支承在支撑装置(8)中。 在地轮(6)的任一侧上,联接臂(11)的一端以这样的方式联接到所述支撑装置(8),使得每个联接臂(11)可相对于支撑装置(8)枢转 )围绕至少基本上垂直延伸的第一枢转轴线(10)。 远离支撑装置(8)的联接臂(11)的端部通过至少基本垂直延伸的第二枢转轴线(12)联接到框架(1),位于可操纵的研磨轮( 6)和靠近后侧的地面轮。 转向臂(14)通过位于所述第一和第二枢转轴线(10,12)之间的点中至少基本垂直延伸的第三枢转轴线(17)连接到联接臂(11)。