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    • 10. 发明申请
    • IMPACT TOOL
    • IMPACT工具
    • WO2014155943A1
    • 2014-10-02
    • PCT/JP2014/000799
    • 2014-02-17
    • HITACHI KOKI CO., LTD.
    • OOKUBO, Takahiro
    • B25D16/00B25D17/20
    • B25D16/00B25D11/12B25D17/20B25D17/26B25D2217/0096B25D2250/131B25D2250/231B25D2250/365
    • An impact tool capable of preventing an impact force from being applied to an intermediate element in a state where the intermediate element and a tool bit are apart from each other is provided. An impact tool 10 which transmits an impact force to a tool bit 12 supported by a casing 13 includes: a cylinder 31 which is attached to the casing 13 and has an opening on one end side thereof to which the tool bit 12 is inserted; an intermediate element 57 which is provided in an inside of the cylinder 31 so as to be able to move straight, has a projection 58 projecting in a radial direction so as to regulate a range of the straight movement, and transmits the impact force to the tool bit 12; and passages 69 and 70 which communicate a space D in an inside of the cylinder 31 at a position nearer to the tool bit 12 than the projection 58 with the outside of the cylinder 31 and penetrate through the cylinder 31 in the radial direction.
    • 提供一种能够防止在中间元件和工具头彼此分离的状态下将冲击力施加到中间元件的冲击工具。 将冲击力传递到由壳体13支撑的工具头12的冲击工具10包括:气缸31,其连接到壳体13,并且在其一端侧具有插入工具钻头12的开口; 设置在气缸31的内部以能够直线移动的中间元件57具有沿径向突出的突起58,以调节直线运动的范围,并将冲击力传递到 工具位12; 以及通道69和70,其在气缸31的内部的气缸31的内侧的空间D的位置处,比位于气缸31的外侧的突出部58更靠近工具头12的位置,并沿径向穿过气缸31。