Patent ID: 8590979
Filing Date: 2013-11-26
Classification: B60N

Abstract:
1. A seatback device comprising: a seatback frame assembly including left and right lateral frames, a connecting frame extending between and interconnecting the left and right lateral frames, and a planar elastic body elastically disposed between and supported by the left and right lateral frames, said connecting frame including a left leg that is received by, and overlaps with, an upper portion of the left lateral frame, a right leg that is received by, and overlaps with, an upper portion of the right lateral frame, and a connecting portion connecting the right leg and the left leg to each other; a left first spring interconnecting a left-side upper portion of the planar elastic body and the left leg of the connecting frame at a location that overlaps with the upper portion of the left lateral frame and having an axis extending substantially laterally of a vehicle; a right first spring interconnecting a right-side upper portion of the planar elastic body and the right leg of the connecting frame at a location that overlaps with the upper portion of the right lateral frame and having an axis extending substantially laterally of the vehicle; a left second spring interconnecting a left-side lower portion of the planar elastic body and the left lateral frame at a location below the left leg of the connecting frame and having an axis extending forward of the seatback frame assembly, the left second spring urging the left-side lower portion forward of the seatback frame assembly; and a right second spring interconnecting a right-side lower portion of the planar elastic body and the right lateral frame at a location below the right leg of the connecting frame and having an axis extending forward of the seatback frame assembly, the right second spring urging the right-side lower portion forward of the seatback frame assembly.