发明名称 POLE AND DEVICE FOR RAISING AND LOWERING LIGHTING FIXTURES THEREON
摘要 <p>POLE AND DEVICE FOR RAISING AND LOWERING LIGHTING FIXTURES THEREON A pole or mast is disclosed having lighting fixtures at the upper end thereof and means for raising and lowering the lighting fixtures by a cable. The pole is constructed so that it may receive and temporarily support a portable device having a motorized winch for raising and lowering the lighting fixtures. By having the winch on the portable device, it is not necessary to have a winch inside each pole.</p>
申请公布号 CA1040175(A) 申请公布日期 1978.10.10
申请号 CA19760265732 申请日期 1976.11.16
申请人 KIDDE CONSUMER DURABLES, CORP. 发明人 KAESER, ROBERT E.
分类号 F21V21/38;(IPC1-7):21V21/38 主分类号 F21V21/38
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