发明名称 LADDER SCAFFOLD VEHICLE
摘要 A vehicle having a ladder and a scaffold which may be extended and retracted by a winch and cable arrangement. A main frame mounted on wheels has a sloping ladder fixedly mounted to its top. The ladder is telescopic, having a middle and top ladder section retractable into a lower ladder section. A first platform is fixedly mounted to the top of the uppermost ladder section. A cage surrounds the platform and is pivotable downward. A second smaller platform is erectable on the first platform. Adjustable jack assemblies and braces fixed to the main frame are engageable to prevent movement of the vehicle. The braces are retracted when not in use.
申请公布号 US3664458(A) 申请公布日期 1972.05.23
申请号 USD3664458 申请日期 1971.01.20
申请人 LORANCE E. STERNS;ARTHUR G. HOWARD;M.S. CHURCHMAN INC.;KEYLESS LOCK CO. INC. 发明人 LORANCE E. STERNS;ARTHUR G. HOWARD
分类号 E06C1/39;E06C1/397;(IPC1-7):E06C5/04;E06C7/04 主分类号 E06C1/39
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