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    • 2. 发明授权
    • Power-supplemented manual height-adjusting wheelchair
    • 动力补充手动高度调节轮椅
    • US07988172B2
    • 2011-08-02
    • US12335719
    • 2008-12-16
    • William Mark RichterRussell RodriguezAdam Paul Karpinski
    • William Mark RichterRussell RodriguezAdam Paul Karpinski
    • B62M1/14
    • A61G5/1059
    • A wheelchair having a lower frame with drive wheels and forwardly extending arms with casters and an upper frame with a seat and backrest. Linkage assemblies on opposing sides pivotably attach at a first end to the lower frame and at a second end to the upper frame. Power cylinders attached on opposing sides are extendable between the upper frame and the lower frame and are lockable from moving from a selected position. When unlocked, the power cylinders apply a supplemental force in association with a force applied by a user on the drive wheels for moving the upper frame relative to the lower frame guided by the linkage assembly. A method of adjusting the seat height of a wheelchair is disclosed.
    • 轮椅具有带有驱动轮的下部框架和具有脚轮的向前延伸的臂和具有座椅和靠背的上部框架。 相对侧上的连接组件在第一端枢转地连接到下框架,并且在第二端枢转地连接到上框架。 附接在相对侧上的动力缸可在上框架和下框架之间延伸并且可以从选定位置移动。 当解锁时,动力缸与用户施加在驱动轮上的力相关联地施加补偿力,用于相对于由连杆组件引导的下框架移动上框架。 公开了一种调整轮椅座椅高度的方法。