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公开(公告)号：US4422002A
公开(公告)日：1983-12-20
申请号：US406653
申请日：1982-08-09
摘要： The travelling support (1) comprises a piezo-electric plate (2) resting on three legs (6) whose bottom surface is insulated from the bench (8) on which the support is to travel, by a dielectric (7). The piezo-electric plate (2) can be caused to contract by means of an actuating voltage applied via sliders (9, 10) to top and bottom electrodes on the plate (2). By applying a voltage to the legs (6), these may be clamped selectively by electrostatic forces effective across the dielectric (7). Appropriate control of the actuating and clamping voltages causes the support (1) to either move in a linear or rotary fashion. The displacements the support can perform per step are in the nanometer range.
摘要翻译： 行进支撑件（1）包括一个压电板（2），其位于三个腿部（6）上，底板表面通过电介质（7）与支架所要行进的工作台（8）绝缘。 压电板（2）可以通过通过滑块（9,10）施加到板（2）上的顶部和底部电极的致动电压而收缩。 通过向腿部（6）施加电压，可以通过在电介质（7）上有效的静电力选择性地夹持这些电压。 对致动和钳位电压的适当控制导致支撑件（1）以线性或旋转方式移动。 支撑件可以在每个步骤中执行的位移在纳米范围内。
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公开(公告)号：US4600854A
公开(公告)日：1986-07-15
申请号：US655271
申请日：1984-09-28
摘要： The rotator comprises a piezoelectric bender (4) pivotally supported (2, 3) at one end and carrying a means for being clamped (6) to which a "payload" (7) may be attached. The bender (4) has split electrodes to keep its ends parallel when energized. Normally engaging the means for being clamped (6) are clamping members (15, 17) attached to a pair of piezoelectric benders (10, 11) which are fixed in supports (12, 13) resting on a base plate (1).With the pair of benders (10, 11) energized, the means for being clamped (6) is released and energization of the central bender (4) results in the lifting of the payload (7) by one step. The means for being clamped (6) is then re-arrested and its pivot (2, 3) released by means of actuating the ends of bimorphs (10, 11) associated with clamping members 14 and 16 and the central bender (4) is permitted to stretch. The rotator is then prepared for the next step of rotation about the pivot (2). This embodiment permits rotation through about 15 degrees. Two further embodiments conceived for unlimited rotation are described.
摘要翻译： 旋转器包括在一端枢转地支撑（2,3）的压电弯曲机（4），并且承载用于被夹紧的装置（6），“有效载荷”（7）可附接在该装置上。 弯曲机（4）具有分裂电极，以在通电时保持其端部平行。 通常接合夹紧装置（6）是附接到一对压电弯曲器（10,11）上的夹紧构件（15,17），它们固定在搁置在基板（1）上的支撑件（12,13）中。 在一对弯曲器（10,11）通电的情况下，被夹紧的装置（6）被释放并且中心弯曲器（4）的通电导致有效载荷（7）的提升一步。 然后，被夹紧的装置（6）被重新阻止，并且其枢轴（2,3）通过致动与夹紧构件14和16以及中心弯曲器（4）相关联的双压电体（10,11）的端部而释放是 允许拉伸 旋转器随后被准备用于围绕枢轴（2）的下一个旋转步骤。 该实施例允许旋转大约15度。 描述了为了无限旋转而设想的另外两个实施例。
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