| 摘要 |
PROBLEM TO BE SOLVED: To provide a lumbar support assembly which enables an occupant to adjust deformation of a comfort mat to fit with his/her body conditions and cause the lumber support assembly to optimally support a back part and a lumber part.SOLUTION: A lumbar support assembly is attached to a seat back frame in a vehicle seat and supports a back part and a lumbar part of an occupant. The lumbar support assembly has: a fixed wire attached to the seat back frame; a comfort mat which includes an upper end rotatably attached to a cross wire coupled to an upper end of the fixed wire and supports a back part and a lumbar part of the occupant; rotation means which is attached to the fixed wire and rotates a lower end of the comfort mat toward the back part of the occupant; and operation means which is fixed to the fixed wire and deforms the rotation means so that the rotation means protrudes to the comfort mat side.SELECTED DRAWING: Figure 1 |
