发明名称 Poster display device with longitudinal retention of frame sections
摘要 An improved poster frame and display holder for replaceable posters and similar advertising material is disclosed. The sides of the frame include sets of pivotably engaged extruded metal, molded plastic, or other front and back frame members. Improved leaf-type springs bias together the front and back members of each side of the frame for releasably holding a poster or similar display. Interlocking portions of the front and back members substantially prevent relative longitudinal movement therebetween.
申请公布号 US4937959(A) 申请公布日期 1990.07.03
申请号 US19870025398 申请日期 1987.03.13
申请人 MARKETING DISPLAYS, INC. 发明人 PALMER, RANDALL;HILLSTROM, DAVID U.
分类号 A47G1/06;G09F1/12 主分类号 A47G1/06
代理机构 代理人
主权项
地址