发明名称 Loudspeaker for fitting in false ceilings/cavity walls has holding arms swiveling on bearings on a chassis and springs to press the holding arms from behind against a false ceiling or cavity wall
摘要 <p>A loudspeaker has holding arms (11) swiveling on bearings on a chassis (10) and springs (12) to press the holding arms from behind against a false ceiling or cavity wall. The chassis has a cylindrical shape with an open front side and a closed base (15) and a casing (14). In the base and the casing there is a three-sided free punch (20) fitted so that a center line (21) remains for a holding arm.</p>
申请公布号 DE20318125(U1) 申请公布日期 2004.04.22
申请号 DE2003218125U 申请日期 2003.11.21
申请人 SINN, DIETER 发明人
分类号 H04R1/02;(IPC1-7):H04R1/02 主分类号 H04R1/02
代理机构 代理人
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