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    • 98. 发明申请
    • SIMPLE CONTROLLER FOR A POWER OPERATED TAPE MEASURE
    • 简单的控制器,用于动力操作的带状测量
    • US20070227028A1
    • 2007-10-04
    • US11277684
    • 2006-03-28
    • David CampbellLouis GibbonsGavin Ng
    • David CampbellLouis GibbonsGavin Ng
    • G01B3/10
    • G01B3/1005
    • A power operated tape measure enables measuring tape extension through a drive mechanism as well as measuring tape retraction through at least one of a drive mechanism and spring biasing on a tape reel. A tape cartridge assembly including an annular reel and a measuring tape wound onto the reel is positioned within a housing shell of the tape measure. A drive mechanism accomplishes tape extension out of the housing shell, and optionally, tape retraction into the housing shell by engaging with a surface of the measuring tape. An actuator initiates input on one or more switches that selectively control operation of the drive mechanism, and includes a lever arm for a user to make selections regarding tape extension and retraction. The actuator may be arranged such that lever arm motion in a forward direction enables tape extension and lever arm motion in a rearward direction enables tape retraction.
    • 动力操作的卷尺可以通过驱动机构测量带延伸,以及通过驱动机构和弹簧偏压在磁带卷轴上的至少一个来测量磁带的缩回。 包括环形卷轴和卷绕在卷轴上的卷带的盒式磁带组件定位在卷尺的壳体壳体内。 驱动机构将带延伸出壳体壳体,并且可选地,通过与测量带的表面接合来将带子缩回到壳体外壳中。 致动器在一个或多个选择性地控制驱动机构的操作的开关上启动输入,并且包括用于使用者进行关于带延伸和缩回的选择的杠杆臂。 致动器可以布置成使得杠杆臂向前运动使得带延伸和杠杆臂在向后方向上的运动使得带缩回。
    • 99. 发明申请
    • Ratchet lock for automatic tape measure
    • 棘轮锁自动卷尺
    • US20070186433A1
    • 2007-08-16
    • US11325122
    • 2006-01-04
    • David Campbell
    • David Campbell
    • G01B3/10
    • G01B3/1005G01B2003/1007G01B2003/1028G01B2003/1038
    • An automatic tape measure having a tape retraction prevention device to prevent unintended retraction of the tape into a housing caused by increasing the strength of a return spring. A tape assembly is received in the housing and includes a tape selectively received on a reel, the return spring and a cassette for receiving the reel. A motor is coupled with a power source, a drive assembly, the tape assembly and a switch assembly to control extension and retraction of the tape. The drive assembly couples the motor with the tape assembly and includes at least one gear. The tape retraction prevention device includes a pawl that may engage with the gear to prevent rotation of the drive assembly and, in turn, unintended retraction of the tape into the housing.
    • 一种具有带退缩防止装置的自动卷带测量装置,用于通过增加复位弹簧的强度来防止带子意外收回到壳体中。 带组件被容纳在壳体中并且包括选择性地容纳在卷轴上的带,复位弹簧和用于接收卷轴的盒。 电动机与电源,驱动组件,带组件和开关组件耦合以控制磁带的延伸和缩回。 驱动组件将马达与带组件联接并且包括至少一个齿轮。 带退缩防止装置包括棘爪,其可与齿轮接合以防止驱动组件的旋转,并且反过来将带子意外收回到壳体中。