发明名称 Frame parts for temporary ladder
摘要 A temporary scaffold comprising a platform section and an auxiliary section, each comprising a E-shaped frame formed of an arrangement of pipes. The pipes are telescopically connected in end-to-end relationship. As a result, the platform and auxiliary sections are interconnected so that their connected length is adjustable.
申请公布号 US5492197(A) 申请公布日期 1996.02.20
申请号 US19940196423 申请日期 1994.02.14
申请人 YONAHARA, YOSHIHIRO 发明人 YONAHARA, YOSHIHIRO
分类号 E04G1/30;E04G1/34;E04G3/20;E04G3/30;(IPC1-7):E04G3/10 主分类号 E04G1/30
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