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    • 3. 发明授权
    • Height adjustable bed with a lift chain assembly and components thereof
    • 高度可调节床,带升降机链组件及其部件
    • US08074309B2
    • 2011-12-13
    • US12397511
    • 2009-03-04
    • Stephen E HutchisonDavid W HornbachDarrell L Metz
    • Stephen E HutchisonDavid W HornbachDarrell L Metz
    • A61G7/005A61G7/012
    • A61G7/012B66F3/06
    • A bed 14 has a base frame 32, an elevatable frame 34 and a telescopable column 36 having a base segment 36a connected to the base frame 32 and a terminal segment 36e connected to the elevate able frame 34. Each column circumscribes a lift chain assembly 100 which includes a magazine 102 and a lift chain 160 with a terminal link 240. The magazine 102 is connected to either the base frame 32 or the elevate able frame 34 and the terminal link 240 is connected to the other of the base frame 32 and the elevate able frame 34. The magazine 102 comprises left and right magazine covers 104, 106 each having an outer face and an inner face 112, 114 with grooves 120. The lift chain 160 has left and right rollers 238 that project into the grooves. The lift chain assembly 100 also includes a gear train 320 extending from a gear train drive shaft 334 to a gear train output shaft 338 and a motor 278 having an output shaft 314 connected to the gear train drive shaft 334.
    • 床14具有基座框架32,可升降框架34和可伸缩柱36,其具有连接到基座框架32的基座段36a和连接到可升高框架34的端子段36e。每一列围绕升降链组件100 其包括杂志102和具有终端链接240的提升链160.盒102连接到基架32或可升高框架34,并且终端连接240连接到基座框架32中的另一个,并且 刀架102包括左和右刀库盖104,106,每个刀片盖具有外表面和具有凹槽120的内表面112,114。提升链160具有突出到凹槽中的左右滚子238。 提升链组件100还包括从齿轮系驱动轴334延伸到齿轮系输出轴338的齿轮系320和具有连接到齿轮系驱动轴334的输出轴314的马达278。