| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent sleeping drive by fixing a seat to a seat supporting part installed in a floor, arranging a vibration means in a seating part of the seat, and vibrating the seat with the vibration means. SOLUTION: When a diver feels sleepy, pushes a START switch in a control box to operate a DC motor 7. The DC motor 7 is driven, a rotating shaft 7a is rotated by the driving of the DC motor 7, a rotating axis body 20 linked to the rotating shaft, 7a is rotated, both imbalance weights 16 fixed to the rotating axis body 20 are rotated to generate vibration. The vibration is transmitted to a seating part 2 of the seat through both supporting bodies 17 and a supporting part 4. The seating part 2 is vibrated together with the whole seat, the driver on the seat shakes off sleepiness to prevent the sleeping drive.</p> |
