发明名称 Picture hanging aid
摘要 A dual purpose picture hanging aid which serves as both a device for holding the picture wire in position away from the back of the picture and as an adjustable length plumb bob for straightening the picture after hanging. The device incorporates openings for receiving the plumb bob string as it is wound around the body and a hook for engaging the string in a partially wound position, providing the adjustable length. Notches in the outer edge engage the picture wire allowing the device to be wedged between the wire and the picture. A smoothly curving edge opposite the edges allows the device to be easily removed after hanging the picture.
申请公布号 US6311407(B1) 申请公布日期 2001.11.06
申请号 US19990426687 申请日期 1999.10.25
申请人 MURAISHI NOBORU 发明人 MURAISHI NOBORU
分类号 A47G1/18;G01C15/10;(IPC1-7):G01D21/00 主分类号 A47G1/18
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