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    • 72. 发明专利
    • Vibration reduction device for electric tool and electric tool with this device built in it
    • 用于电动工具和电动工具的减振装置
    • JP2005138280A
    • 2005-06-02
    • JP2004320835
    • 2004-11-04
    • Black & Decker Incブラック アンド デッカー インクBlack & Decker Inc.
    • STIRM MICHAELHAHN NORBERTBECHT REIMUND
    • B25F5/02B25D17/04
    • B25D17/043Y10T16/48
    • PROBLEM TO BE SOLVED: To provide a vibration reduction device for an electric tool and the electric tool with such a device built in it. SOLUTION: The electric tool has a handle assembly 300 to be energized by a torsion spring 344 extending to the inside of a shaft 316. The torsion spring 344 has an engaging part 346 and a position of this engaging part 346 is fixed to a housing 312 by adjusting an adjusting means 348. The adjusting means 348 has a lever 350 extending to the outside of the housing and a cam surface 352 and is mounted on a shaft 354 free to at least partially rotatably around the shaft 354. The force of the torsion spring 344 is adjustable by movement of the adjusting means 348 during usage. The lever 350 is moved and causes rotation of the adjusting means 348 around the shaft 354. Consequently, the cam surface 352 moves an arm part 346 of a spring 344 along the shaft 354 and more or less power is applied on the torsion spring 344. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于电动工具的减振装置和其内置的这种装置的电动工具。 解决方案:电动工具具有手柄组件300,该手柄组件300被延伸到轴316内部的扭转弹簧344激励。扭转弹簧344具有接合部分346,并且该接合部分346的位置被固定到 壳体312通过调整调整装置348.调节装置348具有延伸到壳体外部的杆350和凸轮表面352,并且安装在轴354上,自由至少部分地围绕轴354旋转。力 通过调节装置348在使用期间的移动来调节扭转弹簧344的可调节。 杆350移动并使调节装置348围绕轴354旋转。因此,凸轮表面352沿着轴354移动弹簧344的臂部分346,并且在扭转弹簧344上施加更多或更少的动力。 版权所有(C)2005,JPO&NCIPI
    • 76. 发明专利
    • Hammer drill
    • 锤钻
    • JP2012143869A
    • 2012-08-02
    • JP2012107769
    • 2012-05-09
    • Black & Decker Incブラック アンド デッカー インクBlack & Decker Inc.
    • HAHN NORBERT
    • B25D17/24
    • B25D17/24B25D2217/0092B25D2250/245B25D2250/381
    • PROBLEM TO BE SOLVED: To minimize vibration generated by the operation of a hammer drill.SOLUTION: The hammer drill includes: a body 2 having a motor; a tool holder 6 holding a tool bit; a hammer mechanism driven by the motor to repeatedly hammer the end of the tool bit; counter masses 20, 50 slidably fitted in the body 2 and slidable forward and backward between two ends; and energizing means 22, 24, 32, 34, 62 which energize the counter masses 20, 50 to a third position disposed between first and second positions, and in which the counter masses are disposed on the center of gravity 9 of the hammer in the third position, and the masses of the counter masses 20, 50 and the strength of each energizing means 22, 24, 32, 34, 62 is moved to slide the counter masses 20, 50 forward and backward, thereby diminishing vibration generated by the operation of the hammer mechanism.
    • 要解决的问题:为了减少由锤钻的操作产生的振动。 锤钻包括:具有马达的主体2; 保持工具头的工具架6; 由马达驱动的锤击机构重复敲击刀头的端部; 相对质量块20,50可滑动地装配在主体2中并且可在两端之间向前和向后滑动; 以及将反对质量20,50激励到设置在第一和第二位置之间的第三位置的激励装置22,24,32,34,62,其中相对质量被布置在锤的重心9中 第三位置,并且相对质量块20,50的质量和每个激励装置22,24,32,34,62的强度被移动以使对置物料20,50向前和向后滑动,从而减少由操作产生的振动 的锤子机构。 版权所有(C)2012,JPO&INPIT
    • 79. 发明专利
    • Safety blocking device of power tool having rotation type tool bit
    • 具有旋转类型工具位的电动工具安全闭锁装置
    • JP2011093091A
    • 2011-05-12
    • JP2010281829
    • 2010-12-17
    • Black & Decker Incブラック アンド デッカー インクBlack & Decker Inc.
    • JACUBASCH ANDREASREINHARD PRIETSCHFREY CHRISTANKUNTZE HELGE-BJOERN
    • B25D17/10B25F5/00G05B9/02G05B13/02
    • G05B13/0285B25F5/00G05B9/02
    • PROBLEM TO BE SOLVED: To create an accurate probability of a block accident without requiring the application of the sufficient and detailed knowledge of physical characteristics of a power tool that causes the block accident.
      SOLUTION: A safety blocking device for a portable electric tool having a rotation drive type bit (8) is intended for preventing the accident caused by the blocked bit. The safety blocking device includes at least one sensor (56 and the like) for detecting the operation state of the tool and creating a sensor signal representing the operation state, and blocking devices (38, 80) for blocking the rotation drive to the tip from a motor (10). A processing unit (42) includes neural networks (50 and the like) responding to the sensor signal, or a signal for creating a summed probability signal representing the probability of the block accident, and coping with the case that the summed probability signal exceeds a preset threshold for causing operations of the blocking devices.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了创建块事故的准确概率,而不需要应用导致堵车事故的电动工具的物理特性的足够详细的知识。 解决方案:用于具有旋转驱动型钻头(8)的便携式电动工具的安全阻挡装置旨在用于防止由堵塞的钻头引起的事故。 安全阻断装置包括用于检测工具的操作状态和产生表示操作状态的传感器信号的至少一个传感器(56等),以及用于阻止对尖端的旋转驱动的阻挡装置(38,80) 电动机(10)。 处理单元(42)包括响应于传感器信号的神经网络(50等),或者产生表示块事故概率的求和概率信号的信号,并且应对总和概率信号超过 阻塞装置的操作的预设阈值。 版权所有(C)2011,JPO&INPIT