Seat-height adjusting device

摘要: A seat-height adjusting device wherein a seat-cushion is moved relative to vehicle-floor side comprised of supporting shaft having first true round portion, tapered eccentric portion and second rotatably mounted at the so as be movable along lateral direction thereof, gear secured side, an inner teeth linked seat-cushion, supported on whose number different from that gear, intermediate shaft, outer engaged with portions differed therefrom in number, for urging order increase relationship between gear.