Body-adaptable seat has seat and back rest shells with large recesses or slits and with cable pulleys to adjust desired seat and backrest contours

摘要

The seat shell (12) has large recess open towards backrest shell (14) and/or slits dividing seat shell into surface parts. Backrest shell (14) has slit-like recess open towards seat shell and/or protrusions and/or slits. Seat shell has cable pulley (38) for adjusting a desired seat contour. The backrest shell has a second cable pulley (66) for adjusting desired lordosal curve of backrest shell. The seat shell can be set with restricted movement on the base part (16) of the seat surface.