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    Releasable connector for closure operating mechanism
    171.
    发明授权
    Releasable connector for closure operating mechanism 失效
    用于封闭操作机构的可释放连接器

    公开(公告)号：US4956939A

    公开(公告)日：1990-09-18

    申请号：US386748

    申请日：1989-07-31

    Applicant: Howard W. Kuhlman

    Inventor： Howard W. Kuhlman

    IPC: E05F15/00 ,  E05F15/12 ,  F16G11/00

    CPC classification number: F16G11/00 ,  E05F15/627 ,  E05F15/41 ,  E05Y2201/236 ,  E05Y2800/11 ,  E05Y2900/548 ,  Y10T24/45461 ,  Y10T24/45801

    Abstract: A releasable connection device for connecting a motor driven drive cable to a closure includes a pin attached to the closure and having a spherical head. A housing member connected to the cable has an elongated slot formed in a lateral wall and receiving the spherical head of the pin. A ramp surface formed on the housing member at the end of the elongated slot furthest from the cable is engaged by the head of the pin. A spring clip mounted on the housing member has opposed spring arms which encircle the spherical head to retain the head of the pin in the elongated slot of the housing member to connect the motor driven drive element and the vehicle body closure. The spring arms yield in response to a predetermined level of forced imposed thereon by the spherical head of the pin so that the pin is ejected laterally through the opening to disconnect the drive element from the closure.

    Abstract translation: 用于将电动机驱动的驱动电缆连接到闭合件的可释放连接装置包括附接到闭合件并具有球形头部的销。 连接到电缆的壳体构件具有形成在侧壁中并且容纳销的球形头部的细长槽。 在远离电缆的细长槽的端部处形成在壳体构件上的斜面由销的头部接合。 安装在壳体构件上的弹簧夹具有环绕球形头部的相对的弹簧臂，以将销的头部保持在壳体构件的细长槽中，以连接马达驱动的驱动元件和车身闭合件。 弹簧臂响应于由销的球形头施加在其上的强制预定水平而产生，使得销横向地通过开口弹出以将驱动元件与封闭件断开。

    Automatic door opener and closer
    172.
    发明授权
    Automatic door opener and closer 失效
    自动开门器和更近

    公开(公告)号：US4658545A

    公开(公告)日：1987-04-21

    申请号：US745118

    申请日：1985-06-17

    Applicant: Steven G. Ingham ,  Gary G. Ingham

    Inventor： Steven G. Ingham ,  Gary G. Ingham

    IPC: E05F15/10 ,  E05F15/12 ,  E05F15/04

    CPC classification number: E05F15/63 ,  E05F15/603 ,  E05Y2201/236 ,  E05Y2201/434 ,  E05Y2400/302 ,  E05Y2400/41 ,  E05Y2800/11 ,  E05Y2800/21 ,  E05Y2800/242 ,  E05Y2900/132

    Abstract: In a door opening and closing apparatus a reversible drive motor and door actuator are mounted in the framing above a door header. The vertically disposed drive shaft of the motor is connected with the door actuator through a friction clutch equipped drive train including a series of speed reducing torque increasing cog belts and pulleys. The drive train operates pivoting linkage secured at one end to the door for biasing the door open or closed in response to the direction of rotation of the drive motor. A circuit connects a source of electrical energy with the drive motor through a plurality of current switching relays also inducing magnetic flux in the field windings of a braking slave motor driven by the driving motor. Door opening action is initiated by a foot pressure switch.

    Abstract translation: 在门打开和关闭装置中，可逆驱动马达和门致动器安装在门扇上方的框架中。 马达的垂直设置的驱动轴通过包括一系列减速扭矩增加的齿轮和皮带轮的摩擦离合器配备的传动系与门致动器连接。 传动系将一端固定在门上的枢转联动装置用于响应于驱动电动机的旋转方向而偏压门打开或关闭。 电路通过多个电流切换继电器将电能源与驱动电机连接，该继电器也在由驱动电机驱动的制动从动马达的励磁绕组中引起磁通量。 门开启动作由脚踏开关启动。

    Gate-opening and closing apparatus and method
    173.
    发明授权
    Gate-opening and closing apparatus and method 失效
    闸门开闭装置及方法

    公开(公告)号：US4403449A

    公开(公告)日：1983-09-13

    申请号：US406720

    申请日：1982-08-09

    Applicant: Moscow K. Richmond

    Inventor： Moscow K. Richmond

    IPC: E05F15/12 ,  E05F11/24

    CPC classification number: E05F15/63 ,  E05Y2201/214 ,  E05Y2201/236 ,  E05Y2201/244 ,  E05Y2400/334 ,  E05Y2600/454 ,  E05Y2900/40 ,  Y10T403/597

    Abstract: An apparatus for shifting a gate from a closed position to an opened position and from the open position to the closed position with respect to an access opening. The apparatus comprises a housing with a motor in the housing, as for example, an electric motor. A drive shaft extends outwardly from the housing and is operable by the motor by means of a drive mechanism. A drive arm is connected to the outer end of the drive shaft, outwardly of the housing, and is rotatable thereby. The drive arm is designed to permit a lever arm or a lever arm assembly to be coupled thereto and which is also capable of being coupled to a gate for moving the same between the opened and closed positions. Further, the apparatus comprises a shaft coupling mechanism operatively associated with the drive arm for coupling the drive arm to the drive shaft so that the drive arm is rotatable with the drive shaft when the motor is operated. In addition, a disconnect mechanism, preferably a manually operable disconnect mechanism, is associated with the drive arm, and is operatively connected to the coupling mechanism for disengaging the drive shaft from the drive arm. This permits the drive arm to rotate independently of the drive shaft in emergency situations, as for example, in cases of power failure where the motor cannot be operated. The drive mechanism is designed with a worm and worm gear construction so that one cannot unauthorizedly attempt to rotate the drive arm without completing disengaging the drive arm from the drive shaft.

    Abstract translation: 一种用于将闸门从关闭位置相对于进入开口移动到打开位置并且从打开位置移动到关闭位置的装置。 该装置包括壳体中的电动机，例如电动机。 驱动轴从壳体向外延伸并且可通过驱动机构由电动机操作。 驱动臂连接到驱动轴的外端，外壳的外部，并可由此旋转。 驱动臂被设计成允许杠杆臂或杠杆臂组件联接到其上并且还能够联接到门以在打开位置和关闭位置之间移动它们。 此外，该装置包括与驱动臂可操作地相关联的轴联接机构，用于将驱动臂联接到驱动轴，使得当马达操作时驱动臂可与驱动轴一起旋转。 此外，断开机构，优选地是可手动操作的断开机构与驱动臂相关联，并且可操作地连接到联接机构，用于使驱动轴与驱动臂分离。 这就允许驱动臂在紧急情况下独立于驱动轴旋转，例如在电动机不能操作的电源故障的情况下。 驱动机构设计有蜗轮和蜗轮结构，使得人们不能未经授权地尝试旋转驱动臂而不使驱动臂与驱动轴脱离接触。

    Door operator with instant reverse feature
    174.
    发明授权
    Door operator with instant reverse feature 失效
    门操作员具有即时反向功能

    公开(公告)号：US4159598A

    公开(公告)日：1979-07-03

    申请号：US845289

    申请日：1977-10-25

    Applicant: Geoffrey H. Gatland ,  Kenneth L. Robitaille

    Inventor： Geoffrey H. Gatland ,  Kenneth L. Robitaille

    IPC: E05F15/00 ,  E05F15/10

    CPC classification number: E05F15/41 ,  E05Y2201/216 ,  E05Y2201/236 ,  E05Y2900/106

    Abstract: An improved garage door operator of the motor-driven chain-and-sprocket type comprising a molded plastic gear case assembly supporting an output shaft for rotation relative thereto. A molded plastic worm wheel is loosely disposed on the shaft for limited rotation relative thereto and is driven by a reversible electric motor through a worm. Camming surfaces on the worm wheel and a second element which is fixedly disposed on the shaft form a low-torque coupling such that under normal conditions the motor drives the shaft to move the garage door. If the door encounters an obstacle and is unable to move, continued rotation of the motor drives the cam surface of the second element up the cam surface of the wheel so as to axially shift the second element relative to the gear case to trip a reversing switch. A rachet knob projects outside of the gear case permitting manual adjustment of the low-torque coupling.

    Abstract translation: 一种改进的电动链轮和链轮类型的车库门操作器，包括一个模制的塑料齿轮箱组件，其支撑输出轴以相对于其旋转。 模制的塑料蜗轮松散地设置在轴上以相对于其有限地旋转并且由可逆电动机通过蜗杆驱动。 蜗轮上的凸轮表面和固定地设置在轴上的第二元件形成低扭矩联轴器，使得在正常条件下电机驱动轴以移动车库门。 如果门遇到障碍物并且不能移动，则马达的继续旋转将第二元件的凸轮表面向上驱动到车轮的凸轮表面，以便使第二元件相对于齿轮箱轴向移动以使换向开关 。 手柄旋钮位于齿轮箱外部，允许手动调节低扭矩联轴器。

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