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    • 6. 发明申请
    • HARNESS FOR BACKPACK BLOWER
    • 背负式鼓风机收线
    • WO2009008917A1
    • 2009-01-15
    • PCT/US2008/003919
    • 2008-03-26
    • MTD PRODUCTS INC.BASENBERG, Mark, Hunter, Jr.VIERCK, Benjamin, Edwin
    • BASENBERG, Mark, Hunter, Jr.VIERCK, Benjamin, Edwin
    • A01D34/90A01G1/12A01M7/00A45F3/14F02B63/02
    • A45F3/14A01M7/0021A45F3/10A45F2003/146F02B63/02
    • A power tool (10) includes a power.tool housing (18) at least partially- encompassing an internal combustion engine (14) and a harness (12) on which the power tool housing is mounted. The harness has a pair of shoulder straps (16), a waist strap (24), and a panel (44) connecting the shoulder' straps and waist strap. The power tool housing is mounted on a frame (30) having at least one arcuate tool- supporting member with an upper end proximate the shoulder straps and a. lower end proximate the waist strap. The tool- supporting member is shaped along its vertical length such that a middle portion of the member arcs away from the panel such that there is an air-circulation space (S) between the power tool housing and the panel. In one embodiment, the power tool is a blower and the housing has an air intake port (46) facing the air-circulation space.
    • 电动工具(10)包括至少部分地包围内燃机(14)的动力工具箱(18)和安装有动力工具壳体的线束(12)。 线束具有一对肩带(16),腰带(24)和连接肩带和腰带的面板(44)。 电动工具壳体安装在具有至少一个弓形工具支撑构件的框架(30)上,上端靠近肩带和a。 靠近腰带的下端。 工具支撑构件沿其垂直长度成形,使得构件的中间部分远离面板弧,使得在电动工具壳体和面板之间存在空气循环空间(S)。 在一个实施例中,电动工具是鼓风机,并且壳体具有面向空气循环空间的进气口(46)。