Collapsible pole
    1.
    发明授权
    Collapsible pole 失效
    可折叠杆

    公开(公告)号:US06446408B1

    公开(公告)日:2002-09-10

    申请号:US09632962

    申请日:2000-08-04

    IPC分类号: E04H1218

    CPC分类号: E04H12/182

    摘要: An apparatus and method for elevating items includes telescopically retractable and extendable hollow tubular pole sections that include a locking means to lock at least one section in extended position. The bottom of the pole is adapted for mounting to a support structure.

    摘要翻译: 用于提升物品的装置和方法包括可伸缩和可延伸的中空管状杆部分,其包括锁定装置以将至少一个部分锁定在延伸位置。 极的底部适于安装到支撑结构。