| 摘要 |
A seat for vehicle use, the front portion of which is capable of tipping up. The seat includes a seat back, a seat cushion, a tip-up unit which tips up a forward end side of the seat cushion from a base position to an upward tip-up position, and a rock unit which holds the seat cushion at at least one position between the base position and the tip-up position. The seat cushion includes a front seat cushion positioned at a front side of a vehicle and a rear seat cushion positioned at the rear of the front seat cushion. The front seat cushion is provided with the tip-up unit. The rock unit includes a first gear and a second gear both mutually engaged so as to permit tip-up motion of the seat cushion and restrict the tip-down motion of the seat cushion.
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