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    APPARATUS AND METHOD FOR CONTROL OF SPRING FORCE IN A DOOR CLOSER OR OPERATOR
    1.
    发明公开
    APPARATUS AND METHOD FOR CONTROL OF SPRING FORCE IN A DOOR CLOSER OR OPERATOR 审中-公开

    公开(公告)号：EP3359767A1

    公开(公告)日：2018-08-15

    申请号：EP16854120.9

    申请日：2016-09-30

    申请人： Yale Security Inc.

    发明人： ZASOWESKI, Peter ,  LAWHON, Dustin

    IPC分类号： E05F3/10 ,  E05F1/10 ,  E05F3/00 ,  E05F3/22

    CPC分类号： E05F1/105 ,  E05F3/10 ,  E05F3/102 ,  E05Y2201/41 ,  E05Y2201/492 ,  E05Y2400/818 ,  E05Y2900/132

    摘要： An apparatus for adjusting the force in a door operator or closer comprises an elongated housing and a spring therein connected to the door operator or closer. A spring collar is non-rotatable about the longitudinal axis of the housing and adapted to move linearly within the housing. A fixed adjusting screw extends along a longitudinal axis of the housing and the spring collar is slidable linearly along an outer surface of the adjusting screw. A nut is threadably engaged at a distal end of the adjusting screw and is rotatable about the longitudinal axis of the screw, the nut bearing on the spring collar during rotation. The spring collar bears on a distal end of the spring to vary the spring compression and thereby vary force applied by the door operator or closer. The housing has an opening in a sidewall through which the spring is visible, and the housing exterior surface includes markings indicating the degree of spring compression. An indicator is moveable along and visible from the exterior of the housing to indicate the compression of the spring.

    A DOOR CLOSER
    3.
    发明公开
    A DOOR CLOSER 审中-公开

    公开(公告)号：EP3329076A1

    公开(公告)日：2018-06-06

    申请号：EP16747582.1

    申请日：2016-07-28

    申请人： Bard 1 Ltd.

    发明人： ASTON, Richard

    IPC分类号： E05F3/10 ,  E05F3/12 ,  E05F3/22 ,  F16K31/08 ,  F16K31/06

    CPC分类号： E05F3/10 ,  E05F3/12 ,  E05F3/223 ,  E05Y2201/246 ,  E05Y2201/41 ,  E05Y2201/458 ,  E05Y2201/46 ,  E05Y2201/462 ,  E05Y2400/32 ,  E05Y2400/612 ,  E05Y2800/25 ,  E05Y2800/252 ,  F16K31/0655 ,  F16K31/0675 ,  F16K31/082

    摘要： A door closer including: a body defining a chamber therein; a piston slidably supported within the chamber, and dividing the chamber into first and second cavities either side of the piston, which in use receive liquid; a biasing device for biasing the piston towards the first cavity; a passageway connecting the first cavity to the second cavity for permitting the flow of fluid therebetween; a blocking member for controlling the flow of liquid through the passageway between the cavities; a moveable member moveable between first and second positions, wherein when the moveable member is in its first position the moveable member causes or permits the blocking member to assume a blocking position, thus preventing or at least inhibiting the flow of liquid from the first to the second cavity, and wherein when the moveable member is in its second position the moveable member causes or permits the blocking member to assume a non-blocking position, thus permitting the flow of liquid from the first to the second cavity; and a permanent magnet positioned adjacent or close to the moveable member for holding the moveable member in its first position; wherein the door closer includes a pole switching device that can produce a magnetic field that is in opposition to the magnetic field of the permanent magnet to effectively cancel out or overcome the magnetic field of the permanent magnet and produce a net magnetic field that is either zero or in the opposite direction to the magnetic field of the permanent magnet so as to effect movement of the moveable member between its first and second positions.

    Türbetätiger
    7.
    发明公开
    Türbetätiger 审中-公开
    门驱动器

    公开(公告)号：EP2738333A3

    公开(公告)日：2017-08-09

    申请号：EP13005365.5

    申请日：2013-11-14

    申请人： dormakaba Deutschland GmbH

    发明人： Hellwig, Alexander

    IPC分类号： E05F3/10

    CPC分类号： E05F3/10 ,  E05F3/102 ,  E05F3/104 ,  E05Y2900/132

    摘要： Die vorliegende Erfindung betrifft einen Türbetätiger (1), umfassend ein Gehäuse (2), eine im Gehäuse (2) drehbeweglich gelagerte Abtriebswelle (3) zur Betätigung eines Türblattes, und zumindest einen im Gehäuse (2) lineargeführten, mit der Abtriebswelle (3) wirkverbundenen Kolben (5), wobei der Kolben (5) ein erstes Bauteil (11) mit einer zylindrischen Aufnahmefläche (19) und ein rohrförmiges, auf die Aufnahmefläche (19) aufgestecktes zweites Bauteil (12) umfasst.

    摘要翻译： 本发明涉及一种门致动器（1），包括用于门扇的致动的外壳（2）在所述壳体（2）可转动地安装输出轴（3），和至少一个在所述壳体（2）的线性引导，与输出轴（3） （5），其中所述活塞（5）包括具有圆柱形接收表面（19）的第一部件（11）和位于插入第二部件（12）的接收表面（19）上的管。