Abstract A vehicle seat and headrest arrangement (7) comprising a seat back frame (2) having an upper part (24) and a lower part (26), the upper part including a cross-frame member (4), and the lower part including at least a lower portion (28) of a pair of spaced side members (22); a headrest (6) mounted on the cross-frame member; an impact plate (42) positioned between the side members of the lower part and secured to the upper part; pivot hinges (32) connecting the upper part with the lower part and defining a pivot axis (38) about which the upper part and the headrest can pivot in a forward direction, and the impact plate can pivot in a rearward direction, from a normal position; and a spring device (40) biasing the upper part, the headrest and the impact plate to their normal position. The upper part of the seat back and the headrest both pivot towards a vehicle occupant during a rear impact on the vehicle.
A vehicle seat and headrest arrangement comprising a seat back frame having an upper part and a lower part, the upper part of the seat back frame comprising a cross-frame member and an upper portion of a pair of spaced side members, and the lower part of the seat back frame including at least a lower portion of the pair of spaced side members; a headrest mounted on the cross-frame member; an impact plate positioned between the side members of the lower part and secured to the upper part; pivot hinges connecting the upper part with the lower part and defining a pivot axis about which the upper part and the headrest can pivot in a forward direction, and in which the impact plate can pivot in a rearward direction, from a normal position; and spring means biasing the upper part, the headrest and the impact plate to their normal position.
Claim 2
Dependent Claim
151 words
A vehicle seat and headrest arrangement comprising a seat back frame having an upper part and a lower part, the upper part of the seat back frame comprising a cross-frame member and an upper portion of a pair of spaced side members, and the lower part of the seat back frame including at least a lower portion of the pair of spaced side members; a headrest mounted on the cross-frame member; an impact plate positioned between the side members of the lower part and secured to the upper part; pivot hinges connecting the upper part with the lower part and defining a pivot axis about which the upper part and the headrest can pivot in a forward direction, and in which the impact plate can pivot in a rearward direction, from a normal position; and spring means biasing the upper part, the headrest and the impact plate to their normal position.