A trigger mechanism (10) for an active headrest system comprises a support member (11) configured to support upholstery of a seat back (2) of a vehicle seat (1) and a coupling arrangement (13) affixed to the support member (11). The support member (11) has...

Provided is a vehicle seat that, using a simple configuration that is independent from a headrest, is capable of increasing the amount of sinking (movement) of the body of a seated occupant toward a seat back at the time of a rear-end collision, and is cap...