发明名称 Scaffolding ascent apparatus
摘要 Apparatus for ascending scaffolding (10). The apparatus includes a ladder (24) having an inner upright (26) which is pivotally mounted with respect to an upright (20) of an end frame (12) of the scaffolding (10). The ladder (24) is disposed for pivoting between a retracted position, wherein the latter (24) overlies the end frame (12) of the scaffolding (10) to which it is attached, and an extended position, wherein the ladder (24) is pivoted, typically, 180 DEG relative to the retracted position.
申请公布号 US4807719(A) 申请公布日期 1989.02.28
申请号 US19880221777 申请日期 1988.07.20
申请人 SIDE STEP INC. 发明人 BURKSTRAND, GEORGE W.;BURKSTRAND, LOWELL E.
分类号 E04G5/10;(IPC1-7):E06C5/00 主分类号 E04G5/10
代理机构 代理人
主权项
地址
您可能感兴趣的专利