发明名称 Method of manufacturing a rolling tower scaffold
摘要 Climbing apparatus including a rolling tower support platform, and method and tooling for the same wherein one of two spaced double walls of each of opposed tower rails of a tower ladder is snugly gripped by detents formed on the end portions of spaced rail rungs and the extremities of the rungs are flared, the rails including expanded bottoms for snap lock and threaded lock assembly with unique caster boxes of a caster wheel assembly for the tower rails and a support platform mounted on the rails with slidable carriages having double grip and threaded pin tightening arrangements and also having sockets to receive collapsible hand rail assemblies with unique hinges for gates thereof.
申请公布号 US5170552(A) 申请公布日期 1992.12.15
申请号 US19910702280 申请日期 1991.05.17
申请人 EMERSON ELECTRIC CO. 发明人 SWIDERSKI, PAUL R.;SEADLER, PAUL J.
分类号 E04G1/20;E04G5/02;E06C1/39;E06C1/397 主分类号 E04G1/20
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