SEAT SUBPORTION ADJUSTABLE IN RELATIVE HEIGHT AND/OR ANGLE AND BACKREST ADJUSTABLE IN SHAPE

摘要

A seat of an apparatus, in one example, comprises a front subportion and a rear subportion that is adjustable in height and/or angle relative to the front subportion. A backrest of the apparatus, in one example, is adjustable in shape. Based on a manipulation of adjustments, a subportion of the seat and the backrest are adjustable between: a first height and/or angle of the rear subportion of the seat and a first shape of the backrest; and a second height and/or angle of the rear subportion of the seat and a second shape of the backrest.