SPRING REGULATING DEVICE FOR A SEAT CUSHION OF A VEHICLE FOR ADJUSTING A GAP OF A SEAT CUSHION SPRING ACCORDING TO THE BODY SHAPE AND SIZE OF PASSENGERS BY RECTILINEARLY MOVING A SPRING HOLDER IN THE LONGITUDINAL DIRECTION OF A SEAT ALONG A GROOVE UNIT OF A CUSHION FRAME AND REGULATING LONGITUDINALLY THE POSITION OF THE SPRING HOLDER

摘要

PURPOSE: A spring regulating device for a seat cushion of a vehicle is provided to cope with the distribution of load changed according to the body shape and size of passengers by regulating longitudinally each spring in the seat cushion by the spring regulating device composed of a handle operating unit, a gear, and a chain motor unit. CONSTITUTION: A spring regulating device for adjusting a gap of springs(3) of a seat cushion(20) is composed of a plurality of spring holders(5) fixed with the end of the seat cushion spring, formed with a slot hole(4) of the predetermined width on a portion formed by extending downward one end of the spring holder, and moved longitudinally along a groove unit(6) of a cushion frame(21); plural operating gears(8) composed of a connection member(7) rotating and sliding through the slot hole, arranged at the lower side of the spring holder with corresponding to the spring holder one to one, and formed in a pair; an operating handle(9) disposed at the side of the operating gear to rotate the operating gear; and a chain(10) for connecting each operating gear to interlock the operating gears.