发明名称 Regulating valve of a hydraulic door closer
摘要 The invention relates to a regulating valve, which is attachable in particular in a bore, executed with a female thread, of a hydraulic door closer. The regulating valve has a body adjoined by a regulating area. The regulating valve also has a thread provided with an anti-rotation element. The thread, including the anti-rotation element, being screwed into the female thread of the bore. In order to provide a regulating valve of a simple design, in which any unwanted adjustment of the regulating valve during operation is excluded, the anti-rotation element of the regulating valve has a plastic material layer at the thread flanks of the thread. The plastic material layer cooperates with the female thread of the door closer.
申请公布号 US8240005(B2) 申请公布日期 2012.08.14
申请号 US20080667091 申请日期 2008.06.09
申请人 HUFEN MICHAEL;DORMA GMBH & CO. KG 发明人 HUFEN MICHAEL
分类号 E05F3/22 主分类号 E05F3/22
代理机构 代理人
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