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    • 2. 发明授权
    • Rear discharge mower unit and lawn tractor
    • 后排式割草机和草坪拖拉机
    • US06431305B1
    • 2002-08-13
    • US09506510
    • 2000-02-17
    • Shozo IshimoriMasatoshi YamaguchiCristophe AuvergneBertrand Leguillette
    • Shozo IshimoriMasatoshi YamaguchiCristophe AuvergneBertrand Leguillette
    • B60K1704
    • A01D34/66A01D2101/00
    • A rear discharge mower unit (50) with a mower housing (55) defining grass clippings flow paths for directing grass clippings rearward. The mower unit includes a power transmission mechanism for rotating a center blade (58) and a second side blade (60) in one direction and a first side blade (59) in the other direction, a center baffle (63) extending around a rotational axis of the center blade and defining a center flow path (69a) for feeding grass clippings to a grass clippings outlet (66), a first side baffle (64) extending around a rotational axis of the first side blade (59) and defining a first side flow path (69b) for feeding grass clippings to the grass clippings outlet (66), and a second side baffle (65) extending around a rotational axis of the second side blade (60) and defining a second side flow path (69c) for feeding grass clippings to the center flow path (69a).
    • 具有割草机壳体(55)的后排出割草机单元(50),其限定用于将草剪向后引导的草屑流动路径。 割草机单元包括用于沿一个方向旋转中心叶片(58)和第二侧叶片(60)的动力传递机构,以及在另一方向上旋转第一侧叶片(59)的动力传递机构,围绕旋转方向延伸的中心挡板 并且限定用于将草屑送入草屑出口(66)的中心流动路径(69a),围绕第一侧叶片(59)的旋转轴线延伸的第一侧挡板(64) 第一侧流路(69b),用于将草屑送入草屑出口(66);以及第二侧挡板(65),其围绕第二侧叶片(60)的旋转轴线延伸并限定第二侧流路 )用于将草屑送入中心流路(69a)。