Patent ID: 7604213
Filing Date: 2009-10-20
Classification: B60N

Abstract:
1. A height adjusting apparatus for vehicle seats, comprising: a seat bracket configured to mount a seat to a vehicle; a base frame configured to be slidably mounted to the seat bracket; seat side frames provided on both side ends of a seat part of the seat to support the seat part, each of the seat side frames being coupled to the seat bracket via a front link and a rear link; a support rod for coupling the seat side frames to each other; a pinion gear provided on an associated seat side frame to adjust a height of the seat part; a rack gear link having on a first end thereof a rack gear which engages with an upper end of the pinion gear, and coupled at a second end thereof to a hinge of the front link which is placed on the base frame, so that, when the pinion gear is driven, the rack gear link pulls the seat side frame forwards to lift it up; and a support pin provided on the seat side frame in such a way as to be placed above the rack gear, and maintaining engagement of the rack gear with the pinion gear.