Patent ID: 6009750
Filing Date: 2000-01-04
Classification: B60N,G01M

Abstract:
A seat test body for vibration measurements on seats, comprising:a buttocks imitation to be placed on a seat cushion of a seat to be tested and which points downward in a testing position,a back imitation coupled with the buttocks imitation and which is to be leaned against a backrest cushion of the seat to be tested in the testing position, andpassive ballast in the form of several weights placed on at least one of an interior side of the buttocks imitation and an interior side of the back imitation,said seat test body having a weight and mass distribution corresponding approximately to the weight and mass distribution of a sitting person,the buttocks imitation and the back imitation each being formed hard parts and padding,the hard parts of the buttocks imitation simulating a pelvic bone, thighs, and hip joints of a human skeleton at least with respect to the underside of the skeleton which would be loaded while sitting, the hip joints being fixable to immobility under a test load,the hard parts of the back imitation simulating the lordotic area of a pelvic bone, a spinal column, and a back side of a chest cage including a shoulder blade region, of the human skeleton,the padding of the hard parts of the buttocks imitation anthropomorphically imitating the soft parts of a human buttocks area, including muscle tissue, connective tissue and fatty tissue, and the two sitting pressure points of the human buttocks, with respect to the parameters of shape, position, hardness, hardness distribution, layer thickness, softness, elasticity, damping behavior, imitating the hard parts and the soft parts of the human skeleton as close to life as possible.