发明名称 Ladder-stabilising equipment - has profiled components accommodating ladder feet adjustable on baseplate with profiled underside
摘要 <p>The equipment improves the stability of ladders, steps, etc. It has a flat oblong bottom plate with a high-profile non-slip layer on the underside. On the top are two profiled members of shape and size such as to accommodate the ladder feet. One of the components is height-adjustable (11) to compensate for non-horizontal ground and the other (8) horizontally (7), so as to clamp the bottom end of the ladder.</p>
申请公布号 NL8801091(A) 申请公布日期 1989.11.16
申请号 NL19880001091 申请日期 1988.04.26
申请人 PETERUS JOHANNES CASTRICUM, DUSSELDORPERWEG 82 TE 1906 AL LIMMEN (N.H.). 发明人
分类号 E06C7/42 主分类号 E06C7/42
代理机构 代理人
主权项
地址