Motor vehicle seat mounted with longitudinal sliding mobility

Claim 1

A motor vehicle seat mounted for longitudinal sliding mobility over a predetermined seat position adjustment range, the seat having a frame supported on a plurality of slide blocks slidable on two longitudinally extending, spaced, parallel, upright, C-shaped guide rails anchored to a vehicle floor, each of the slide blocks being carried on a depending bracket secured to inner and outer longitudinally extending side frame members of the seat frame, one of the C-shaped guide rails being fixed to a substantially vertical web surface of a centrally located vehicle floor assembly tunnel and the other adjacent an outer vehicle body wall, and the seat frame being provided with a latch device engageable with latch device engageable means for the determination of the seat position, wherein the improvement comprises: at least two longitudinally spaced depending brackets on each seat side frame member, the distance between the forwardmost and rearwardmost brackets secured to the outer side of the seat frame being approximately half the mutual interval between the forwardmost and rearwardmost brackets on the inner side frame member of the seat frame, the arrangement of the depending brackets on the seat frame is, in plan, an equiangular or oblique parallelograms with its short side adjacent the other wall of the vehicle, and the respective lengths of the outer and inner guide rails correspond to the distance between the forwardmost and rearwardmost slide blocks on each side frame of the seat plus the length of the seat position adjustment range.