Patent ID: 7878080
Filing Date: 2011-02-01
Classification: G09B

Abstract:
1. An apparatus for adjusting a position of a vertebral column of a dummy model for estimating a feeling of sitting in a seat, the apparatus comprising: a pelvic plate; a plurality of lumbar joints, which are stacked on the pelvic plate, are spaced apart from each other, and have springs installed in front and rear portions of the lumber joints with respect to a rotation center interconnecting two adjacent lumber joints; two femur bars; two femur joints, each of which is rotatably installed below the pelvic plate and is connected with one end of each the femur bar respectively; and two pelvic pivoting members coupling the two femur joints to the pelvic plate, wherein each of the two pelvic pivoting members transmits rotating force of each of the femur joints, which is caused by vertical pivoting of the femur bars, to the pelvic plate and change a vertical angle of the pelvic plate.