An automotive seat-back structure is provided to protect a passenger's neck vertebra at a vehicle's rear-end collision and also support the passenger's lumbar vertebra. The automotive seat-back structure includes a seat-back frame 2, an actuating member 4 ...

A vehicle seat slide device includes a lower guide rail 12 which has a rail body 12a, side walls 12b, 12b at least one of which has latching apertures 36, and upper guide walls 12d, 12d that define a guide groove 12e, and an upper slide rail 13 which has a...

A vehicle seat slide device includes an elongated lower guide rail adapted to be secured to a floor panel of the vehicle body in its longitudinal direction, and an upper slide rail slidably fitted into the lower guide rail. The lower guide rail has a rail ...

A vehicle seat slide device is provided for sliding movement of a vehicle seat in fore and aft positions of a vehicle body, and includes a lower guide rail which has a substantially upwardly opening C-channeled rail body, side walls, and upper guide walls ...

A seat reclining apparatus has a base member (1) adapted to be secured to a seat member, substantially rounded, formed with a pair of first and second guide walls (9a,9b), and having an external periphery; a rotary arm (2) rotatably supported on the base m...