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    • 10. 发明公开
    • KOLBEN FÜR EINE TÜRSCHLIESSVORRICHTUNG
    • KOLBENFÜREINETÜRSCHLIESSVORRICHTUNG
    • EP2780525A1
    • 2014-09-24
    • EP12786828.9
    • 2012-10-31
    • Dorma GmbH & Co. KG
    • LEONG, JacksonRIESS, Oliver
    • E05F3/12
    • E05F3/12E05Y2900/132
    • The invention relates to a piston (10) for a door closing device, comprising a cavity (20) surrounded by an enclosure (30), and having at least one opening (32), wherein a pressure relief valve (40) is movably arranged between at least two positions inside the opening (32), characterized in that the valve (40) is provided with valve means (42) and a surrounding housing (44) having sealing means (46) for sealing the opening (32) in a first position of the valve (40). A holding device (50) is arranged on the enclosure (30) for fixing the second position of the valve (40).
    • 本发明涉及一种用于门关闭装置的活塞(10),其包括由外壳(30)围绕并且具有至少一个开口(32)的空腔(20),其中减压阀(40)可移动地布置 (32)内的至少两个位置之间,其特征在于,所述阀(40)设置有阀装置(42)和具有密封装置(46)的周围壳体(44),所述密封装置用于将所述开口(32) 阀(40)的第一位置。 保持装置(50)布置在外壳(30)上用于固定阀(40)的第二位置。