发明名称 Sheet-supporting device
摘要 A device for interchangeably supporting sheets in an upright position, particularly for displaying menu cards and the like, comprises interconnected wall portions defining a socket for one or more sheets. The wall portions have mutually inclined sheet-contacting surfaces which flex an inserted sheet and increase its rigidity in the longitudinal direction of the flexure.
申请公布号 US4075773(A) 申请公布日期 1978.02.28
申请号 US19750574714 申请日期 1975.05.05
申请人 DASTER, OSKAR 发明人 DASTER, OSKAR
分类号 G09F1/10;(IPC1-7):G09F3/18 主分类号 G09F1/10
代理机构 代理人
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