차량용 시트 슬라이딩 이동장치

The seat for a car moving apparatus, wherein: the female thread of the worm wheel in the amount of deformation absorbing hole passing over: section, telling between the amount of deformation absorbing hole as the except domain to the other end part of the worm wheel that the interval of the gear tooth of above mentioned male screw acid of the gear tooth of the female thread of the worm wheel and screw bar are regularly formed as the length determined from one end of the worm wheel it is the seat for a car moving apparatus in which sheet moves with sliding according to the movement of the worm wheel it includes the screw bar, and the worm wheel it is fixed to the car body it is comprised of the tension fitting component liver which is formed with the pitch which is bigger than the pitch of above mentioned male screw acid of the screw bar and is formed into the face width which is more thin in comparison with the face width at the amount of deformation absorbing hole liver ; and the heat expansion difference is accommodated in the amount of deformation absorbing hole liver and the vibration and noise are suppressed at the tension fitting component liver; as to the screw bar, the cork is formed in the outer circumference; and as to the worm wheel, the female thread which is fixed to sheet and goes in gear with the cork of the screw bar is equipped and going in gear with the screw bar and moving.