| 摘要 |
A vehicle seat has a squab (3) and a back-rest (4). The squab comprises a framework (7) supporting a yieldable spring frame (11) to support the posterior of the occupant of the seat. A transversely extending strap (14) extends across the squab within a cushion (12). The ends of the strap are connected to the framework by connectors (15), at least one connector is adapted to extend in length, whilst providing a resistive force, when subjected to a predetermined substantial downward force. Thus, if the posterior of the occupant of the seat is driven downwardly during a forward impact, whilst limited downward movement is permitted, extensive downward movement will initially be retarded as the connector extends and will then be terminated. This minimises the risk of the occupant of the seat "submarining" beneath a seat-belt.
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