摘要 |
PCT No. PCT/JP82/00287 Sec. 371 Date Mar. 2, 1983 Sec. 102(e) Date Mar. 2, 1983 PCT Filed Jul. 27, 1982.An elevator particularly suitable for outdoor uses for lifting up and down a water examining instrument, in which a water examining instrument (3) is swingable into a horizontal position from a vertical position or vice versa upon rotating an arm (16) by a handle (12) through a worm (14) and a worm wheel (15), the arm (16) being also turnable in a horizontal plane upon rotating a support column (5) by a handle (18).
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