发明名称 SECURITY LINE DESIGNATION APPARATUS
摘要 A security line designation apparatus includes a housing that has a top wall, a bottom wall and a perimeter wall being attached to and extending between the top and bottom walls. A spindle is rotatably mounted within the housing. An elongated flexible panel is attached to the spindle. The panel extends through an aperture in the perimeter wall and the panel has a free end positioned outside of the housing. The spindle is rotationally biased in a first direction. The panel is wound onto the spindle when the spindle is rotated in the first direction. The panel has indicia thereon indicating persons are to remain away from an area bordered by the panel. A biasing member biases rotation of the spindle in the first direction. A coupler releasably couples the free end to the housing.
申请公布号 CA2702548(A1) 申请公布日期 2010.12.11
申请号 CA20102702548 申请日期 2010.04.30
申请人 GALLACHER, IAN C. 发明人 GALLACHER, IAN C.
分类号 E01F13/02;B65H75/34;E04H17/00 主分类号 E01F13/02
代理机构 代理人
主权项
地址