| 摘要 |
PCT No. PCT/EP93/00757 Sec. 371 Date Feb. 10, 1994 Sec. 102(e) Date Feb. 10, 1994 PCT Filed Mar. 29, 1993 PCT Pub. No. WO93/19645 PCT Pub. Date Oct. 14, 1993An active dynamic seat has a base, a stiff intermediate piece linked to the base and a seating part linked to the intermediate piece. The seating part is rigidly secured to the intermediate piece and the intermediate piece is mounted in such a way on the base that its central area can tilt in all directions and slide vertically. In addition, one or several restoring devices are arranged on the intermediate piece, in the area below the mounting point on the base, for restoring the tilting movement and at the same time the vertical displacement of the intermediate piece and the seating part.
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