发明名称 Portable stage with telescopic stage sections
摘要 The present invention provides a portable stage riser comprising a plurality of individual stage sections at different heights. The stage sections are telescopically interconnected with one another by a track system for sliding from a collapsed to an extended position. The stage when collapsed is tipable on to its back surface which is reinforced with a dolly receiving guide for upright storage of the stage.
申请公布号 US4934113(A) 申请公布日期 1990.06.19
申请号 US19880250103 申请日期 1988.09.28
申请人 HALL, ROBERT;TAYLOR, P. REGINALD 发明人 HALL, ROBERT;TAYLOR, P. REGINALD
分类号 E04H3/12;E04H3/28 主分类号 E04H3/12
代理机构 代理人
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