Front seat back providing protection to occupants of rear seats of a motor vehicle

Claim 1

A front seat back providing protection to occupants of the rear seats of a motor vehicle comprising: a skeleton means for the front seat back, said skeleton means including a main panel means wholly covering the back of the front seat back and a reinforcing member positioned along the peripheral edge of said main panel means, the portion of the skeleton means wherein a knee load is impressed having a single structure of said main panel means and the peripheral edge thereof having a double structure composed of said main panel means and said reinforcing member; arms connecting said reinforcing member to the motor vehicle side, said reinforcing member, main panel means and arms being constructed such that they are subjected to plastic deformation when a force of impact higher than a predetermined level for each of them is exerted thereon; a slit cut horizontally at a slightly higher portion of the portion of said main panel means whereon the knee load is impressed at the time of collision, and a buffer means made of a material which permits the buffer means to undergo plastic deformation when a force of impact higher than a predetermined level therefor is exerted thereon, said buffer means superposed on said main panel means to project rearwardly and disposed above said horizontal slit.