发明名称 Portable display unit
摘要 A portable display unit for display of advertising material or other informational or decorative material on changeable display cards and for storage of other display cards. The display unit includes a rectangular box-like housing convertible between a collapsed or closed and portable configuration and an erect or a display configuration supported on a stand. At least one wall of the housing is comprised as a removable panel to expose a picture type frame surrounding a viewing area to be filled by the display card to be viewed. A retractable handle is provided for transport of the unit from place to place in the collapsed or closed configuration.
申请公布号 US4322905(A) 申请公布日期 1982.04.06
申请号 US19800125224 申请日期 1980.02.27
申请人 KRUSE, ROBERT A. 发明人 KRUSE, ROBERT A.
分类号 G09F15/00;G09F21/02;(IPC1-7):G09F15/00;G09F7/02;A47B95/02;A47B97/04 主分类号 G09F15/00
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