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    • 1. 发明专利
    • Screwdriver tool
    • 螺丝刀
    • JP2005224938A
    • 2005-08-25
    • JP2005027640
    • 2005-02-03
    • Wiha Werkzeuge Gmbhヴィーハ ヴェルクツォイク ゲーエムベーハー
    • KARLE OTMAR
    • B25B23/16B25B23/14B25B23/142B25B23/157F16D7/10
    • B25B23/1427B25B23/141F16D7/10
    • PROBLEM TO BE SOLVED: To provide a screwdriver tool which interrupts transmission of torque when the torque is in excess of a predetermined limit value.
      SOLUTION: According to the operation of the screwdriver tool, a device for transmitting torque from a driving main body (12) to a tool shank (10) interrupts transmission of the torque when the torque is in excess of the predetermined limit value. The tool shank (10) has a clutch section (16) which is characterized by a non-circular cross section in a region with respect to a longitudinal direction in the driving main body (12). Further at least one spring element (18) adjoins to the clutch section (16) radially outside. Furthermore the spring element (18) is mounted in the driving main body (12) in a manner irrotational about an axis of the tool shank (10) and in a radially deflectable manner while resisting a spring force.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种当扭矩超过预定极限值时中断扭矩传递的螺丝刀工具。 解决方案:根据螺丝起子工具的操作,用于将扭矩从驱动主体(12)传递到工具柄(10)的装置在扭矩超过预定极限值时中断扭矩的传递 。 工具柄(10)具有离合器部分(16),其特征在于在驱动主体(12)中相对于纵向方向的区域中的非圆形横截面。 此外,至少一个弹簧元件(18)径向向外与离合器部分(16)邻接。 此外,弹簧元件(18)以相对于工具柄(10)的轴线旋转的方式以可径向偏转的方式安装在驱动主体(12)中,同时抵抗弹簧力。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明申请
    • SCREWDRIVER
    • 螺丝刀
    • US20160271772A1
    • 2016-09-22
    • US15072425
    • 2016-03-17
    • WIHA WERKZEUGE GmbH
    • Holger KNAUSTStefan HARINGERAndreas BEH
    • B25B23/147B25B23/18F21V33/00B25B21/00
    • F21V33/0084B25B15/00B25B21/00B25B23/18
    • A screwdriver includes a handle having a longitudinal axis. At the one end of the handle, the screwdriver includes a bit holder extending in the direction of the longitudinal axis or a screwdriver blade extending in the direction of the longitudinal axis. The screwdriver is further includes a drive mechanism in the handle. The drive mechanism causes a bit holder in the handle or the screwdriver blade opposite the handle to rotate. The drive mechanism includes a motor and a freewheel through which the motor can be coupled to the bit holder or the screwdriver blade. The freewheel is designed to relieve the torque when manual torque is introduced into the bit holder or the screwdriver blade through the handle. The drive mechanism further includes a torque limiter for limiting the drive torque of the motor on the bit holder or the blade.
    • 螺丝刀包括具有纵向轴线的把手。 在手柄的一端,螺丝刀包括沿纵向轴线方向延伸的钻头保持器或沿纵向轴线方向延伸的螺丝刀。 螺丝刀还包括手柄中的驱动机构。 驱动机构使手柄中的钻头支架或与手柄相对的螺丝刀旋转。 驱动机构包括马达和自由轮,电动机可以通过该自由轮联接到钻头保持器或螺丝刀刀片。 飞轮设计用于通过手柄将手动扭矩引入钻头夹头或螺丝刀刀片时减轻扭矩。 驱动机构还包括用于限制马达在钻头夹持器或刀片上的驱动扭矩的扭矩限制器。