LUMBAR SUPPORT DEVICE OF SEAT FOR VEHICLES

摘要

PURPOSE: A lumbar support device of a seat for a vehicle is provided to enable passenger to comfortably drive with entirely contacting his/her lumbar to a seat by supporting not only his/her spine but also his/her side of the lumbar. CONSTITUTION: The lumbar support device of a seat for a vehicle comprises: a fixing bracket(110) which is fixed on a seat back frame(200); a supporting panel(120) which is link-connected to the fixing bracket in order to mobile to the front of the seat back frame; a controller which supplies driving force by being linked to a link(160) by an operating wire; a side supporting piece(140) which is rotatably connected to the both side parts of the supporting panel; and a connecting wire which interlinks the side support part and the link.