发明名称 Foldable stairway ladder
摘要 A foldable stairway ladder for use in accessing items includes a structure that can be conveniently folded to reduce the amount of space taken up by ladder when not in use. The ladder consists of a stairway section connected to a platform, in turn rotatably connected to a support. The foldable ladder is also provided with a manually operable folding system adapted to fold the stairway section and support relative to each other. Additionally, the support may have a member capable of extending the length of the support, thus facilitating the ease by which a use can fold the stairway ladder.
申请公布号 US6951265(B2) 申请公布日期 2005.10.04
申请号 US20030633951 申请日期 2003.08.04
申请人 BALLYMORE COMPANY, INC. 发明人 FRAME WILLIAM F.;KUEHL GERALD E.
分类号 B64F1/315;E06C1/22;E06C1/39;E06C1/397;(IPC1-7):E04G1/34 主分类号 B64F1/315
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