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    • 43. 发明授权
    • Wall hanger
    • 挂衣架
    • US5149037A
    • 1992-09-22
    • US673415
    • 1991-03-22
    • Alan Smith
    • Alan Smith
    • A47F5/08A47G1/20
    • A47F5/0876A47G1/20Y10S248/903
    • A wall hanger particularly adapted for supporting heavy objects includes as a base, a plate which defines a front and a rear face, the rear face being contiguous with the external surface of the wall when the device is installed. A hanger element extends from the front face of the plate and includes a supporting surface for an object to be carried by the device. An arcuate arm extends from the rear face of the plate and is adapted to be inserted through a hole in the wall. The free end of the arcuate arm is blunt so as to provide support for the device when the end of the arm contacts the rear surface of the wall member, but avoids any penetration of the rear surface of the wall member. In a preferred embodiment, the arcuate arm includes a flange which extends substantially the entire length of the arm and which extends downwardly to provide a reinforcing rib along the length of the arm. Preferably, the flange is notched adjacent the arm where it joins the rear face of the plate. The rear face of the plate may be provided with a cleat which is adapted to penetrate the wall member and which serves as a further aid in the prevention of the twisting of the device.
    • 特别适用于支撑重物的挂衣架包括:作为底座的限定前表面和后表面的板,当安装所述装置时,所述后表面与所述壁的外表面邻接。 吊架元件从板的前表面延伸并且包括用于被装置承载的物体的支撑表面。 弧形臂从板的后表面延伸并且适于插入通过壁中的孔。 弓形臂的自由端是钝的,以便当臂的端部接触壁构件的后表面时避免壁构件的后表面的任何穿透,从而为该装置提供支撑。 在优选实施例中,弓形臂包括基本上延伸臂的整个长度延伸并且向下延伸以沿着臂的长度提供加强肋的凸缘。 优选地,凸缘在其连接板的后表面的臂附近被切口。 板的后表面可以设置有防滑板,该防滑板适于穿透壁构件,并且作为进一步的辅助以防止装置的扭转。
    • 44. 发明授权
    • Open-end spinner piecing method and apparatus and multi-position
friction spinner embodying same
    • 开口式接头拼接方法和装置以及多位置摩擦旋转器体现相同
    • US4757677A
    • 1988-07-19
    • US921176
    • 1986-10-20
    • Alan SmithGeorge K. Butler
    • Alan SmithGeorge K. Butler
    • D01H4/52D01H4/48D01H15/00D01H15/02D01H1/135
    • D01H15/00D01H4/48
    • An open-end spinning machine includes a low inertia sensing wheel frictionally engaging the package so that the rate of rotation of the frictional sensing wheel is sensed by a tachometer generator to provide a "winding rate" signal fed to a controller for controlling the speed of a stepper motor driving the fibre feed roller of the fibre opening unit during piecing, in response to the take-up of yarn at the package. Optionally, the sensing wheel is supported on a link such that the angular position of the link indicative of the diameter of the package is sensed by an angular position transducer and the signal of the transducer is also fed to the controller.Yarn delivery rolls are separated, during piecing, to allow the rate of withdrawal of the yarn from the doffing tube of the open-end spinning unit in response solely to the accelerating package.The draft is non-linear during piecing, in accordance with a predetermined programme.
    • 开放式纺纱机包括摩擦接合包装的低惯量感应轮,使得摩擦感应轮的旋转速度由转速计发生器感测,以提供馈送到控制器的“卷绕速度”信号,以控制速度 响应于在包装处的纱线的卷取,在接头期间驱动纤维开口单元的纤维进给辊的步进电机。 可选地,感测轮被支撑在链节上,使得指示包装的直径的链节的角位置由角位置传感器感测,并且换能器的信号也被馈送到控制器。 在接头期间纱线输送辊被分离,以允许来自开放式纺纱单元的落纱管的纱线的退出速率仅响应于加速包装。 根据预定的程序,在接头期间牵伸线是非线性的。
    • 47. 发明授权
    • Yarn piecing device for open-end spinning machines
    • 用于开放式纺纱机的纱线接头装置
    • US4221110A
    • 1980-09-09
    • US942739
    • 1978-09-14
    • Alan Smith
    • Alan Smith
    • D01H4/50D01H4/48D01H15/02
    • D01H4/50
    • The invention relates to apparatus for piecing-up yarn on an open-end spinning machine.A yarn reserve forming member is movable between an extended position, in which it constrains the yarn to follow a prescribed reserve yarn path, and a retracted position, in which the yarn follows another prescribed and shortened path and the end of yarn and its length, which is the difference between the lengths of said prescribed paths, is permitted to return to the spinning means to contact fibres fed thereto.To achieve efficient piecing-up, the yarn moves between such prescribed pathways from one to the other under control of the reserve forming member while the reserve yarn path is in a sense depleted and the yarn is caused by yarn insertion means to be inserted in the delivery roller nip at a predetermined position in the course of movement by the reserve forming member when the latter moves to the retracted position.Preferably, the yarn is engaged by a yarn retaining means when in the extended position from which it is released by the resultant tension in the yarn at the end of the movement of the reserve forming member to the retracted position.
    • 本发明涉及一种开口纺纱机上的接头纱线装置。 纱线保留形成构件可以在限制纱线遵循规定的预备纱线的延伸位置和纱线沿着另一规定和缩短的路径以及纱线末端及其长度的缩回位置之间移动, 这是所述规定路径的长度之间的差异,允许返回到纺丝装置以接触供给到其的纤维。 为了实现高效拼接,纱线在储备形成构件的控制下从一个到另一个在这样的规定路径之间移动,而备用纱线路径处于缺陷状态,并且纱线是由纱线插入装置引入到 当后者移动到缩回位置时,在保留形成构件的运动过程中,输送辊辊隙位于预定位置。 优选地,当纱线保持装置处于延伸位置时,纱线被保持装置接合,在延伸位置,纱线在储存形成构件移动到缩回位置时由纱线中产生的张力释放。