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    • 5. 发明申请
    • IMPACT TOOL
    • 影响工具
    • WO2013065222A1
    • 2013-05-10
    • PCT/JP2012/005493
    • 2012-08-30
    • Hitachi Koki Co., Ltd.TAKAHASHI, ShigeruOOMORI, Katsuhiro
    • TAKAHASHI, ShigeruOOMORI, Katsuhiro
    • B25B21/02B25B23/18
    • B25B21/02B25B21/026B25B23/18
    • An impact tool has a hammer (5) to be driven by a motor for revolution and an anvil (6) impacted with the revolution by the hammer (5) and transmitting an impact force to a tip tool. Between the motor and the hammer (5), first and second ring gears (41A, 42A) are provided, and first and second planetary gear mechanisms (41) and (42) are arranged to transmit the rotary force of the motor to the hammer (5). The motor, the hammer (5), the anvil (6), and the first and second ring gears (41A, 42A) are accommodated in a housing (2). The second ring gear (42A) is movable between a holding position where the second ring gear (42A) is held as being engaged with the housing (2) and a non-holding position where the second ring gear (42A) is not engaged with the housing (2) and is revolvable with respect to the housing (2).
    • 冲击工具具有由用于旋转的马达驱动的锤(5)和由锤(5)与旋转冲击的砧座(6),并将冲击力传递到尖端工具。 在电动机和锤(5)之间设置有第一和第二环形齿轮(41A,42A),并且第一和第二行星齿轮机构(41)和(42)布置成将电动机的旋转力传递到锤 (5)。 马达,锤子(5),砧座(6)以及第一和第二齿圈(41A,42A)容纳在壳体(2)中。 第二齿圈(42A)可在第二齿圈(42A)被保持为与壳体(2)接合的保持位置和第二齿圈(42A)不与 壳体(2)并且可相对于壳体(2)旋转。