| 摘要 |
PCT No. PCT/EP89/00826 Sec. 371 Date Mar. 6, 1990 Sec. 102(e) Date Mar. 6, 1990 PCT Filed Jul. 15, 1989 PCT Pub. No. WO90/00873 PCT Pub. Date Feb. 8, 1990.A backrest for stools, seats, chairs, and the like, characterized by two backrest shells (1) that are arranged at the sides and are configured in the manner of the contact surfaces of equestrian saddles, these being configured so as to be concave with reference to an axis that is essentially perpendicular to the seating surface (20), and so as to be convex with reference to a horizontal axis above the seating surface (20). |
