用于调节两个部件之间间距的通用装置，可精确调整高度。
专利摘要
在一种通用可调间隔组件中，第一和第二相对的楔形件具有相对于纵轴倾斜的表面。当楔形件沿纵轴相对平移时，第一和第二楔形件的上表面和下表面之间的垂直距离分别改变。可旋转构件（如螺纹杆）的纵向位移部分容纳在第一和第二套环构件中，套环构件分别相对于第一和第二楔形件枢转安装。当杆旋转时，套环构件之间的纵向距离改变，楔形件彼此滑动，套环构件在每个楔形件内旋转。在另一种形式中，相对的轨道构件可分别固定到第一和第二楔形件的倾斜表面上。
Original abstractIn a universal, adjustable spacer assembly, first and second opposed wedges have faces that are inclined with respect to a longitudinal axis. As the wedges translate along the longitudinal axis with respect to one another, vertical distance between an upper face and a lower face of the first and second wedges respectively changes. Longitudinally displaced portions of a rotatable member such as a threaded rod are received in a first and a second collar member pivotally mounted with respect to the first and second wedges respectively. As the rod rotates, longitudinal distance between the collar members changes, and the wedges slide against each other, the collar members rotate within each wedge. In a further form, opposing track members may be fixed to inclined surfaces of the first and second wedges respectively.
专利附图（8）
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