| 摘要 |
PCT No. PCT/FR79/00018 Sec. 371 Date Nov. 3, 1979 Sec. 102(e) Date Nov. 2, 1979 PCT Filed Feb. 26, 1979 PCT Pub. No. WO79/00698 PCT Pub. Date Sep. 20, 1979.The invention concerns a vertical gyroscope rotary mechanical erector. According to the invention, the erector is characterized mainly by the fact that it features only one unstable pendulum (6) while providing the same quality on the vertical as the erectors fitted with at least two pendulums and offering as a further advantage, a greater simplicity and reliability. |
