LUMBAR SUPPORTING DEVICE FOR VEHICLE

摘要

PURPOSE: A lumbar support device of vehicle is provided to optimally support the waist part of passenger by simultaneously pulling the top and bottom of a lumbar support device using a drive part. CONSTITUTION: A lumbar support device of vehicle comprises an actuator(100), a lumber plate(200), and a driving part(300). The lumber plate comprises a lumbar supporting part(210) and is located on a back frame(500) of a vehicle. The upper and bottom end of the lumber plate are drawn at the same time by the lumbar supporting part. The driving part comprises a center wheel, a drive cable, and a connecting member. The center wheel pivotally is installed on the lumbar supporting part of the lumber plate. The connecting member interlinks the outer circumference top of the center wheel and the top of the lumber plate.