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具有与动力传递元件接合的弹性元件的圣诞树架
Christmas tree stand with elastic element that engages power transmission element
US-7484703-B2一种用于固定圣诞树的树架，可调节树干直立。
专利摘要
一种树架，其中张紧装置可通过可加载张力的柔性力传递元件使围绕树架接收区域轴线布置的多个保持元件从松开位置移动，在松开位置树干可被调整，进入支撑位置，在支撑位置保持元件基本无力地定位在树干上，然后进入对齐位置，在对齐位置保持元件保持树干使其可被对齐，最后进入保持位置，在保持位置树干被夹紧直立，由此在对齐位置所需的多个保持元件的较低保持力由分配给力传递元件的弹性缓冲元件产生。
Original abstractTree stand in which a tensioning device can move a plurality of retaining elements that are arranged about the axis of the receiving area of the stand, by means of a flexible force transmission element that can be loaded with tension, out of a loose position in which the trunk can be adjusted into a support position in which the retaining elements are positioned largely force-free on the trunk, then into an alignment position in which the retaining elements hold the trunk so that it can be aligned, finally into a retaining position in which the trunk is clamped upright, whereby the lower retaining force of the plurality of retaining elements, which force is required in the alignment position, is produced by an elastic buffer element allocated to the force transmission element.
专利附图（8）
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