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    • 8. 发明授权
    • Vegetation trimming and edging device with adjustable head orientation
    • 植被修剪和修边装置可调节头方向
    • US06460319B2
    • 2002-10-08
    • US09797063
    • 2001-03-01
    • James D. MarshallMichael MilliganIulian Bejan
    • James D. MarshallMichael MilliganIulian Bejan
    • A01D5000
    • A01D34/90
    • A vegetation trimming and edging device has an adjustable head that permits selective positioning between trimming and edging orientations. A shaft extends between the head and a handle. The head receives one end of the shaft. A coupling mechanism couples the head and shaft, and locks the head against rotational movement about the shaft. In particular, the coupling mechanism includes a locking structure and a bias mechanism. The bias mechanism urges the locking structure into engagement to prevent rotational movement of the head. Downward pressure applied to the head overcomes the bias, however, and disengages the locking mechanism for rotation of the head between trimming and edging modes. When the downward pressure is released, the locking mechanism is again engaged to lock the head in position for the desired operational mode.
    • 植被修剪和边缘装置具有可调整头部,允许在修剪和边缘取向之间进行选择性定位。 轴在头部和手柄之间延伸。 头部接收轴的一端。 联接机构联接头部和轴部,并且锁定头部以防止围绕轴的旋转运动。 特别地,联接机构包括锁定结构和偏置机构。 偏置机构促使锁定结构接合以防止头部的旋转运动。 然而,施加到头部的向下的压力克服了偏压,并且解除了锁定机构以在修剪和边缘模式之间旋转头部。 当释放向下的压力时,锁定机构再次接合以将头锁定在适当位置以达到期望的操作模式。
    • 9. 发明授权
    • Vegetation trimming and edging device with adjustable head orientation
    • 植被修剪和修边装置可调节头方向
    • US06301866B1
    • 2001-10-16
    • US09353693
    • 1999-07-14
    • James D. MarshallMichael MilliganIulian Bejan
    • James D. MarshallMichael MilliganIulian Bejan
    • A01D5000
    • A01D34/90
    • A vegetation trimming and edging device has an adjustable head that permits selective positioning between trimming and edging orientations. A shaft extends between the head and a handle. The head receives one end of the shaft. A coupling mechanism couples the head and shaft, and locks the head against rotational movement about the shaft. In particular, the coupling mechanism includes a locking structure and a bias mechanism. The bias mechanism urges the locking structure into engagement to prevent rotational movement of the head. Downward pressure applied to the head overcomes the bias, however, and disengages the locking mechanism for rotation of the head between trimming and edging modes. When the downward pressure is released, the locking mechanism is again engaged to lock the head in position for the desired operational mode.
    • 植被修剪和边缘装置具有可调整头部,允许在修剪和边缘取向之间进行选择性定位。 轴在头部和手柄之间延伸。 头部接收轴的一端。 联接机构联接头部和轴部,并且锁定头部以防止围绕轴的旋转运动。 特别地,联接机构包括锁定结构和偏置机构。 偏置机构促使锁定结构接合以防止头部的旋转运动。 然而,施加到头部的向下的压力克服了偏压,并且解除了锁定机构以在修剪和边缘模式之间旋转头部。 当释放向下的压力时,锁定机构再次接合以将头锁定在适当位置以达到期望的操作模式。