Tool chuck with power take off and dead spindle features
    2.
    发明申请
    Tool chuck with power take off and dead spindle features 失效
    工具卡盘具有动力起飞和死角特征

    公开(公告)号:US20070132196A1

    公开(公告)日:2007-06-14

    申请号:US11400378

    申请日:2006-04-10

    IPC分类号: B23B31/40

    摘要: A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support chuck jaws. A chuck actuating shaft may be mounted for rotation on the input shaft. The power take off mechanism may be connected to the tool chuck. The power take off mechanism may be adjustable into a DRILL DRIVE MODE to rotationally drive the input shaft and the chuck actuating shaft together as a unit, and a CHUCK MODE to rotationally drive the chuck actuating shaft relative to the input shaft. The power take off mechanism may be internal of the housing. The power take off mechanism in the CHUCK MODE may rotationally fix the input shaft to the housing.

    摘要翻译: 动力驱动器可以包括壳体,工具卡盘和动力输出机构。 工具卡盘可以具有安装成用于在壳体上旋转的输入轴。 输入轴可以支撑卡盘爪。 卡盘驱动轴可以安装成用于在输入轴上旋转。 动力输出机构可以连接到工具卡盘。 动力输出机构可以被调节成钻头驱动模式,以将输入轴和卡盘致动轴作为一个单元旋转驱动,并且卡盘模式相对于输入轴旋转地驱动卡盘致动轴。 动力输出机构可以是外壳的内部。 CHUCK MODE中的动力输出机构可以将输入轴旋转地固定在壳体上。

    Power tool with power-take-off driven pusher-type chuck having device for reducing tension in pusher screw
    3.
    发明申请
    Power tool with power-take-off driven pusher-type chuck having device for reducing tension in pusher screw 有权
    具有取力驱动的推动式卡盘的电动工具具有用于减小推动螺杆中的张力的装置

    公开(公告)号:US20060232021A1

    公开(公告)日:2006-10-19

    申请号:US11390668

    申请日:2006-03-28

    IPC分类号: B23B31/12

    摘要: A chuck for a drill/driver. The chuck can include an input shaft having a cavity, a chuck actuating shaft and a chuck actuating screw. The chuck actuating shaft can be received in the cavity and can be rotatable about a chuck axis. The chuck actuating shaft can have a threaded aperture. The chuck actuating screw can have a threaded portion that is threadably engaged to the threaded aperture. The jaws can be received in the cavity and can engage the input shaft. The jaws can be coupled to the chuck actuating screw such that rotation of the chuck actuating shaft relative to the chuck actuating screw translates the jaws so that the jaws converge toward or diverge from the chuck axis. The chuck further includes a device coupled to at least one of the chuck actuating screw, the chuck actuating shaft and the input shaft for limiting elastic elongation of the chuck actuating screw in an axial direction when the jaws are positioned in a fully opened condition.

    摘要翻译: 一个钻头/司机的卡盘。 卡盘可以包括具有空腔的输入轴,卡盘致动轴和卡盘致动螺钉。 卡盘驱动轴可以容纳在空腔中并且可以围绕卡盘轴线旋转。 卡盘致动轴可以具有螺纹孔。 卡盘致动螺钉可以具有螺纹部分,该螺纹部分螺纹地接合到螺纹孔。 夹爪可以容纳在腔体中并且可以接合输入轴。 卡爪可以联接到卡盘致动螺钉,使得卡盘致动轴相对于卡盘致动螺杆的旋转使夹爪平移,使得卡爪朝向卡盘轴线或从卡盘轴线偏离。 卡盘还包括联接到卡盘致动螺钉,卡盘致动轴和输入轴中的至少一个的装置,用于当卡爪位于完全打开状态时限制卡盘致动螺钉在轴向上的弹性伸长。

    Outer bearing retention structures for ratchet hammer mechanism
    5.
    发明申请
    Outer bearing retention structures for ratchet hammer mechanism 失效
    棘轮机构的外轴承保持结构

    公开(公告)号:US20060231277A1

    公开(公告)日:2006-10-19

    申请号:US11399457

    申请日:2006-04-07

    IPC分类号: E02D7/02

    摘要: Provided are various embodiments of structures that may utilized in a power driver, particularly in a power driver having an optional reciprocating “hammer” action, for retaining an outer bearing during assembly and/or operation of the power driver. In particular, the disclosed structures provide one or more surfaces, particularly inner peripheral surfaces, that limit outward axial movement of the bearing along the input shaft. These structures may include combinations of surfaces defined by retaining means, an input shaft, biasing means and chuck shields for positioning the outer bearing within the power driver.

    摘要翻译: 提供了可用于功率驱动器中的结构的各种实施例,特别是在具有可选的往复式“锤”动作的功率驱动器中,用于在功率驱动器的组装和/或操作期间保持外轴承。 特别地,所公开的结构提供了一个或多个表面,特别是内周面,其限制了轴承沿着输入轴的向外的轴向运动。 这些结构可以包括由保持装置,输入轴,偏置装置和用于将外轴承定位在功率驱动器内的卡盘罩限定的表面的组合。

    Electronic clutch for tool chuck with power take off and dead spindle features
    6.
    发明申请
    Electronic clutch for tool chuck with power take off and dead spindle features 有权
    电动离合器用于工具卡盘,具有动力起飞和死角特征

    公开(公告)号:US20060233621A1

    公开(公告)日:2006-10-19

    申请号:US11400379

    申请日:2006-04-10

    IPC分类号: B23B45/00

    摘要: A power driver may include a motor that rotates upon receiving an input current. A tool chuck may have chuck jaws to hold an accessory. The tool chuck may be coupled to the motor. A power take off mechanism may be connected between the motor and the tool chuck. The power take off mechanism may be adjustable into a CHUCK MODE to one of open and close the chuck jaws while the motor rotates. An electronic clutch may interrupt the input current to the motor if the power take off mechanism is in the CHUCK MODE and if the input current exceeds a trip value.

    摘要翻译: 功率驱动器可以包括在接收到输入电流时旋转的电动机。 工具卡盘可以具有用于夹持附件的卡盘爪。 工具卡盘可以联接到马达。 动力输出机构可以连接在电动机和工具卡盘之间。 动力输出机构可以调节成卡盘模式,同时马达旋转时打开和关闭卡盘爪。 如果动力输出机构处于CHUCK MODE,并且输入电流超过跳闸值,则电子离合器可能会中断到电机的输入电流。

    Power tool anti-kickback system with rotational rate sensor
    7.
    发明申请
    Power tool anti-kickback system with rotational rate sensor 有权
    具有转速传感器的电动工具防反冲系统

    公开(公告)号:US20060081386A1

    公开(公告)日:2006-04-20

    申请号:US11254146

    申请日:2005-10-19

    IPC分类号: E21B15/04

    CPC分类号: B25B21/00 B23D59/001 B25F5/00

    摘要: A control system is provided for use in a power tool. The control system includes: a rotational rate sensor having a resonating mass and a controller electrically connected to the rotational rate sensor. The rotational rate sensor detects lateral displacement of the resonating mass and generates a signal indicative of the detected lateral displacement, such that the lateral displacement is directly proportional to a rotational speed at which the power tool rotates about an axis of the rotary shaft. Based on the generated signal, the controller initiates a protective operation to avoid further undesirable rotation of the power tool. The control scheme employed by the power tool may initiate different protective operations for different tool conditions.

    摘要翻译: 提供一种用于电动工具的控制系统。 控制系统包括:具有谐振质量的旋转速率传感器和与旋转速率传感器电连接的控制器。 旋转速率传感器检测共振体的横向位移并产生表示检测到的横向位移的信号,使得横向位移与动力工具围绕旋转轴的轴线旋转的转速成正比。 基于产生的信号,控制器启动保护操作以避免电动工具的进一步不希望的旋转。 电动工具采用的控制方案可以针对不同的工具条件启动不同的保护操作。