| 摘要 |
<p>The emergency lock mechanism (8,80,180) is to be attached to a vehicular seat of which a seatback is locked at one side by a seat reclining device and hinged at the other side with respect to a seat cushion, for locking the rotation of the hinged side of the seatback subjected to an impulsive load in an emergency, and comprises a lower tooth member (50,150,350) attachable to the seat cushion at the hinged side and having engaging teeth, an upper tooth member (20,250,251,251A,251B,324,325,325B) provided for rotating with reclining of the seatback and having engaging teeth (22,258,259, 259B,324a,325a,325c) for facing and engaging the teeth of the lower tooth member, an arm (40,140,340) rotatably provided, with respect to the seat cushion, and a limiting member (30,56,121,254B,345a,345b,328A,328B) disposed adjacent to the upper tooth member, for normally preventing the upper tooth member from engaging the lower tooth member, the limiting member being moved by rotation of the arm in the emergency to allow the upper and lower tooth members to engage each other. <IMAGE></p> |
