发明名称 Panel sign having ratchet hinge means
摘要 There is provided a floor sign having a ratchet positionable hinge and replaceable signage. The hinge operates by frictionally engaging one side of the hinge integral with one panel and engaging the opposite side of the hinge, which is integral with the other panel, by means of a ratchet mechanism. This mechanism is arranged to be slideably disengaged by shifting the axial member of the hinge. Selected signage is attachable by magnetic adhesive, or hook/loop (Velcro) methods.
申请公布号 US4999937(A) 申请公布日期 1991.03.19
申请号 US19890435584 申请日期 1989.11.13
申请人 BECHTOLD, JOSEPH 发明人 BECHTOLD, JOSEPH
分类号 E01F9/012;G09F15/00 主分类号 E01F9/012
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