| 摘要 |
PROBLEM TO BE SOLVED: To provide a cushion that fits in various types of automobiles while preventing a doze during driving and providing pleasant stimulation to a driver. SOLUTION: The cushion comprises lower supports 20 disposed in the left and right of front and rear ends of a support plate 1, upper supports 21 opposed to the lower supports 20 from the bottom of seat plates 9a and 9b, and spheres 22 interposed between the upper and lower supports 20 and 21. The lower supports 20 and the upper supports 21 have a guide groove 23 concaving up and extending laterally and a guide groove 24 concaving down and extending laterally, respectively. The spheres 22 are in contact with each of the guide grooves 23 and 24. The upper and lower supports 20 and 21 or/and the guide grooves 23 and 24 form an upslope or downslope tilt from both left and right to the middle. COPYRIGHT: (C)2006,JPO&NCIPI
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