| 摘要 |
PURPOSE: A lumbar vertebra support cushion is provided to maintain the correct seating posture of a user and to reduce waist pains. CONSTITUTION: A lumbar vertebra support cushion comprises a cushion main body(100) and a lumbar support(200). In the cushion main body, an air cushion is prepared on the top of a base. The lumbar support is composed of a pair of fixed frames, a pair of supporting frames, and a supporting plate. The fixed frame is fixed to the cushion main body. The supporting frame is rotationally connected to the fixed frame. The supporting plate is connected to a pair of supporting frames to move up and down. |
