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    • 4. 发明申请
    • Electro-hydraulically powered lift ambulance cot
    • 电动液压动力电梯救护车
    • US20090172883A1
    • 2009-07-09
    • US11629266
    • 2005-06-03
    • William H. BenedictRobert C. ChinnWarren Dale SuttonTimothy P. SchroederBrian Slick
    • William H. BenedictRobert C. ChinnWarren Dale SuttonTimothy P. SchroederBrian Slick
    • A47B7/00
    • A61G1/0567A61G1/0212A61G1/0237A61G1/0262A61G1/0293A61G7/012
    • A collapsible hydraulically operated ambulance cot (2) having a support frame, a wheeled base, a support mechanism (16) disposed therebetween, and a lift system (10) for hydraulically moving the upper (12) frame relative to the lower frame (14) is disclosed. The lift system (10) permits a single attendant to raise the cot (2) from a lowered position to a raised position, and an infinite number of positions therebetween, and to raise the wheeled base relative to the support frame to situate the cot onto an elevated surface such as the transport deck of an ambulance. A manual override is also provided to conserve battery (30) power and as a back-up in no-power situations. It is to be appreciated that the above described manual override mode may be used when raising or lowering the cot (2) without power assist, dropping the undercarriage (11) when unloading from a vehicle, and lifting the undercarriage (11) when loading into a vehicle.
    • 一种具有支撑框架,轮式基座,设置在其间的支撑机构(16)的可折叠液压操作救护床(2)和用于相对于下框架(14)液压移动上部框架(12)的升降系统(10) )被公开。 提升系统(10)允许单个服务员将小床(2)从降低位置升高到升高位置,并且在它们之间具有无限数量的位置,并且相对于支撑框架升高轮式底座以将床定位到 一个高架的地面,如救护车的运输甲板。 还提供手动覆盖以节省电池(30)的功率和作为无功功率的备份。 应当理解,在不用动力辅助升高或降低床(2)时,可以使用上述手动超控模式,当从车辆卸载时将起落架(11)下落,以及当起落架(11)装载到 一辆车。