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579 条记录 (耗时 0.02 秒)

    Electrically actuated door holder and release
    81.
    发明授权
    Electrically actuated door holder and release 失效
    电动执行门支架和释放

    公开(公告)号：US3926461A

    公开(公告)日：1975-12-16

    申请号：US49368574

    申请日：1974-08-01

    申请人： RIXSON FIREMARK

    发明人： D HOOGE RICHARD E

    IPC分类号： E05F3/22 ,  E05F15/20 ,  E05C17/04

    CPC分类号： E05F3/222 ,  E05F15/72 ,  E05F2003/228 ,  E05Y2201/41 ,  E05Y2201/462 ,  E05Y2201/484 ,  E05Y2201/488 ,  E05Y2800/25 ,  E05Y2900/132 ,  Y10T292/301

    摘要： An electrically actuated door holder and release for the multipoint holding of a pivoted door throughout a range of door open angles, and for the release of a held door either electrically or in response to manual override. The door holder comprises a channel which pivotally supports through linkages an elongated hold-open bar. An elongated friction strip is carried by the hold-open bar. The hold-open bar is normally held in hold-open position under tension by an armature spring coupled to the holdopen bar. The channel is formed with a slot which guides a slide block which moves linearly along the length of the hold-open bar in response to changes in the angle of door opening. The slide block carries a pivotally supported hold-open cam which engages the friction strip to effect door hold open in the event the armature linkage is further placed under tension by energization of an electromagnet. Upon deenergization of the electromagnet, or alternatively upon the application of a manual override door closing force, the hold-open bar is pivoted away from the slide block and the friction strip engaging cam and the door is released.

    Door closer
    82.
    发明授权
    Door closer 失效
    闭门器

    公开(公告)号：US3913170A

    公开(公告)日：1975-10-21

    申请号：US53800775

    申请日：1975-01-02

    申请人： MIWA LOCK KK

    发明人： NAKANE SUNAO ,  WAKE KIYOYASU

    IPC分类号： E05F5/02 ,  E05F3/04 ,  E05F3/14 ,  E05F3/22

    CPC分类号： E05F3/04 ,  E05Y2201/20 ,  E05Y2201/232 ,  E05Y2201/458 ,  E05Y2900/132 ,  Y10T16/2766 ,  Y10T16/2788

    摘要： A door closer for affording a controlled closing movement to a door including a return spring, an oil hydraulic piston and cylinder means, and a valve for generating a damping force when the door closers, said valve comprises a movable valve member for regulating oil flow through the valve, and a bimetal element connected with the movable valve member in response to the change in the temperature thereby attaining a substantially constant closing speed of the door irrespective to the change in the temperature.

    摘要翻译： 一种闭门器，用于向门提供受控的关闭运动，包括复位弹簧，油压活塞和气缸装置，以及用于当闭门器产生阻尼力的阀，所述阀包括用于调节油流过的可移动阀构件 阀，以及响应于温度变化与可动阀构件连接的双金属元件，从而获得门的基本恒定的关闭速度，而与温度的变化无关。