A seat horizontal movement switching section (16) is operated in a horizontal direction for moving an entire seat in a horizontal direction. A bottom-front vertical movement switching section (17) is operated in a vertical direction for adjusting the botto...

In symmetrically mirrored alignment of left- (1) and right (1')-handed circuit carriers (2,2') along an axis of reflection, all the components on these carriers are positioned in a symmetrically mirrored manner. These components include a mirrored first sw...