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    • 1. 发明申请
    • TREE PUSHER
    • 树推
    • WO03105573B1
    • 2004-07-29
    • PCT/US0318748
    • 2003-06-16
    • SMITH WAYNE J
    • SMITH WAYNE J
    • A01G17/10B66F3/08A01G23/08B66F13/02
    • B66F3/08A01G23/091
    • A tree pusher for safely felling trees. The tree pusher controls and determines the direction in which the tree falls, using a base (32), a frame (35), a detachable head (68) which engages the tree trunk, and an extendable screw-type trailer jack (40) that is repairable/replaceable during operation and capable of bearing the weight of a large tree, for urging the frame and the head against the trunk of the tree. For use on uneven ground, the tree pusher is provided with a base extension. A chain (34) is used to connect the base of the tree pusher to the trunk of the tree, to prevent movement of the base when the jack is activated. The tree pusher can be readily moved to the job site, and can be used on any type of terrain, including hard surfaces, and for any type of tree, including trees with rotten wood.
    • 用于安全砍伐树木的树推杆。 树推动器使用基座(32),框架(35),与树干相接合的可拆卸头部(68)和可延伸的螺旋型拖车插座(40)来控制和确定树落下的方向, 在操作过程中可修理/可更换,并且能够承载大树的重量,以将框架和头部推到树的树干上。 为了在不平坦的地面上使用,树推杆具有基座延伸部。 链条(34)用于将树推动器的基座连接到树干上,以防止在启动千斤顶时基座的移动。 树推动器可以轻松地移动到作业现场,并且可以用于任何类型的地形,包括硬表面,以及任何类型的树木,包括具有腐烂木材的树木。