| 摘要 |
PCT No. PCT/RU97/00179 Sec. 371 Date Feb. 4, 1998 Sec. 102(e) Date Feb. 4, 1998 PCT Filed Jun. 5, 1997 PCT Pub. No. WO97/47078 PCT Pub. Date Dec. 11, 1997A piezoelectric stepping motor comprises a cylindrical housing (1), fixing devices and a movable part (4). The fixing devices are made in the form of at least two piezoelectric units (2,3), the piezoelectric unit (2) including a rotary (5), a shifting (6) and a fixing (7) piezoelectric cells, insulators (7) and a friction element (9), and the piezoelectric unit (3) including a fixing piezoelectric cell (10), insulators (8) and a friction element (9).
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