发明名称 Ceiling loudspeaker mounting system - has plate with projections insertable in recesses of ring ceiling, which when rotated lock with adjacent ring parts
摘要 <p>The loudspeaker mounting system includes a ring mounted in the ceiling, to which the loudspeaker is fastened. The ring (6) has recesses (3) for insertion of hook-shaped projections (12) of a ceiling plate (14) carrying the loudspeaker. The mounting ring (6) is so shaped, that when the ceiling plate with loudspeaker is inserted, with projections (12) entering in the recesses (3), the ceiling plate (14, 17) can be rotated in the ring (6). Projections (12) form with the adjacent ring (6) parts (4) a dismountable connection of the bayonet lock type.</p>
申请公布号 DE2706524(A1) 申请公布日期 1978.08.17
申请号 DE19772706524 申请日期 1977.02.16
申请人 LICENTIA PATENT-VERWALTUNGS-GMBH 发明人 LAHMANN,HANS
分类号 H04R1/02;(IPC1-7):04R1/02 主分类号 H04R1/02
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