Power vehicle door with reversal control
    72.
    发明授权
    Power vehicle door with reversal control 失效
    动力车门具有反转控制

    公开(公告)号:US5396158A

    公开(公告)日:1995-03-07

    申请号:US63620

    申请日:1993-05-20

    Abstract: A motor driven power door control system for a vehicle door includes a door position sensor that generates a door position signal for each predetermined distance of door movement so that the period of the door position signal is a measure of door speed. The motor control voltage is variably controlled to a controlled value to establish the door speed at a desired speed value. A door position signal period stall time is determined that is a predetermined function of the controlled value of the motor control voltage so that the stall time is adapted to the motor torque. An obstructive load is indicated when the period of the door position signal exceeds the stall time.

    Abstract translation: 用于车门的马达驱动的动力门控制系统包括门位置传感器,该门位置传感器针对门运动的每个预定距离生成门位置信号,使得门位置信号的周期是门速度的量度。 马达控制电压被可变地控制到受控值,以将门速度建立在期望的速度值。 确定作为电动机控制电压的受控值的预定功能的门位置信号期间失速时间,使得失速时间适应于电动机转矩。 当门位置信号的周期超过失速时间时,指示阻塞负载。

    Overhead door cable winding drum
    73.
    发明授权
    Overhead door cable winding drum 失效
    架空门电缆卷筒

    公开(公告)号:US5335883A

    公开(公告)日:1994-08-09

    申请号:US021311

    申请日:1993-02-23

    Inventor: Daniel W. Mawer

    Abstract: A drum for winding a cable attached to an overhead door includes a hub having a central aperture for accepting a shaft, a radially extending boss formed on the hub and a threaded aperture extending through the boss for retaining a threaded fastener for releasably attaching the hub to a shaft extending through the central aperture, a web attached in a central portion of the hub, the web extending radially outwardly at an angle of approximately 60.degree. with respect to the longitudinal axis of the hub, and a cable support extending about and being attached to the web, the cable support having a multiturn generally helical cable winding groove formed in an outer surface thereof. The cable winding groove includes a first portion spaced a first predetermined constant radius from the longitudinal axis of the hub, a second portion extending from the first portion and a third portion extending from the second portion, the third portion being spaced a second predetermined constant radius from the longitudinal axis of the hub, the first radius being larger than the second radius and the second portion being spaced from the longitudinal axis by a variable radius uniformly decreasing from the first radius to the second radius. A cable entry slot is formed adjacent one end of the first groove portion and includes a cavity having a pair of generally parallel side walls extending at an angle of approximately 2.degree. 30' with respect to a pair of side walls of the groove.

    Abstract translation: 用于缠绕附接到顶棚门的电缆的滚筒包括具有用于接收轴的中心孔的毂,形成在轮毂上的径向延伸的凸起和延伸穿过凸台的螺纹孔,用于保持用于可释放地附接毂的螺纹紧固件 延伸穿过中心孔的轴,连接在轮毂的中心部分中的腹板,腹板相对于轮毂的纵向轴线以大约60°的角度径向向外延伸,以及围绕和附接的缆线支架 电缆支架具有形成在其外表面上的多圈大体上螺旋形的电缆缠绕槽。 所述电缆缠绕槽包括与所述毂的纵向轴线间隔开第一预定的恒定半径的第一部分,从所述第一部分延伸的第二部分和从所述第二部分延伸的第三部分,所述第三部分间隔开第二预定的恒定半径 所述第一半径从所述毂的纵向轴线大于所述第二半径,并且所述第二部分与所述纵向轴线间隔开从所述第一半径到所述第二半径均匀地减小的可变的半径。 电缆入口槽形成在第一槽部分的一端附近,并且包括具有相对于槽的一对侧壁以大约2°30'的角度延伸的一对大致平行的侧壁的空腔。

    Compound winding apparatus and counterbalance systems
    74.
    发明授权
    Compound winding apparatus and counterbalance systems 失效
    复合卷绕装置和平衡系统

    公开(公告)号:US4760622A

    公开(公告)日:1988-08-02

    申请号:US892704

    申请日:1986-07-31

    Applicant: Henry Rohrman

    Inventor: Henry Rohrman

    Abstract: A compound counterbalance system for window sashes and the like, comprising: a biasing mechanism for easing operation of a window sash and the like, the biasing mechanism being movable at an inherently variable of force; a first biasing force transmission, connected intermediately of the window sash and the like and the biasing mechanism, for increasing the effective range of movement of the biasing mechanism; and, a second biasing force transmission connected intermediately of the first biasing force transmission and the biasing mechanism, the second biasing force transmission having a variable rate of operation predetermined to automatically compensate for the variability of the biasing mechanism, to provide substantial constancy of the biasing force. The biasing mechanism preferably comprises a linearly extensible and contractible spring. In one embodiment, both the first and second biasing force transmissions comprise pulley and cable systems. In another embodiment, only the second biasing force transmission comprises a cable and pulley system and the first biasing force transmission comprises a reduction gear assembly. In each embodiment, the variable rate of the second biasing force transmission comprises a generally conical, spiral-grooved pulley and a cable means affixed at one end to the pulley, affixed at the other end to the biasing mechanism and adapted to wind into and out of the groove.

    Abstract translation: 一种用于窗扇等的复合平衡系统,包括:用于缓和窗扇等的操作的偏置机构,所述偏置机构可以以固有的可变力移动; 连接在窗框等中间的偏压力传递装置和偏置机构,用于增加偏置机构的有效移动范围; 以及连接在所述第一偏压力传递装置和所述施力机构之间的第二偏置力传递装置,所述第二偏压力传动装置具有预定的可变操作速率,以自动补偿所述偏置机构的可变性,从而提供所述偏置的基本恒定 力。 偏置机构优选地包括线性可伸缩的弹簧。 在一个实施例中,第一和第二偏压力传递都包括滑轮和电缆系统。 在另一个实施例中,仅第二偏压力传动装置包括电缆和滑轮系统,并且第一偏置力传动装置包括减速齿轮组件。 在每个实施例中,第二偏置力传递的可变速率包括大致圆锥形的螺旋槽滑轮和在一端固定到滑轮的电缆装置,另一端固定在偏置机构上并适于卷入和滑出 的凹槽。

    APPARATUS FOR PROVIDING CONSTANT TORQUE OUTPUT FROM A DOOR CLOSER OR OPERATOR
    79.
    发明申请
    APPARATUS FOR PROVIDING CONSTANT TORQUE OUTPUT FROM A DOOR CLOSER OR OPERATOR 审中-公开
    用于从门锁或操作器提供恒定扭矩输出的装置

    公开(公告)号:US20160369546A1

    公开(公告)日:2016-12-22

    申请号:US14902087

    申请日:2014-10-17

    Abstract: A door closer or operator includes a pivoting pinion on the door closer housing for transmitting door motion, and a cam connected thereto. A connecting member extends along a spring and engages the peripheral edge of the cam. Rotation of the cam causes a change in length of the portion of the connecting member between the position tangent to the cam peripheral edge and the spring second end to expand or compress the spring, resulting in a force transmitted along a longitudinal axis of the connecting member as a result of spring deflection. The cam peripheral edge has a profile with a varying radial distance between the cam axis and the connecting member at the position tangent to the cam peripheral edge such that the radial distance is changed as the spring expands or compresses to maintain a desired constant torque about the axis of the cam and pinion.

    Abstract translation: 门关闭器或操作器包括用于传递门运动的门关闭器壳体上的枢转小齿轮和连接到其上的凸轮。 连接构件沿着弹簧延伸并与凸轮的周缘接合。 凸轮的旋转导致连接构件的与凸轮周边边缘相对的位置和弹簧第二端之间的部分的长度的变化,以使弹簧膨胀或压缩,导致沿着连接构件的纵向轴线传递的力 作为弹簧偏转的结果。 凸轮周边边缘具有在与凸轮周边边缘相切的位置处在凸轮轴线和连接构件之间具有变化的径向距离的轮廓,使得径向距离随着弹簧膨胀或压缩而改变,以保持关于 凸轮和小齿轮的轴线。

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