Measuring and testing – Specimen model or analog
Patent
1999-02-24
2000-09-12
Chapman, John E.
Measuring and testing
Specimen model or analog
73570, G01M 702
Patent
active
061161020
ABSTRACT:
A seat testing body measures vibration on seats. The body has simulated buttocks, which point downwards in the testing position and can be placed on a seat cushion of a seat to be tested, and a simulated back which is connected therewith and in the testing position can be placed against the backrest cushion of a seat to be tested. The seat testing body, with respect to its underside shape and the softness to this extent, with respect to its weight and the resulting sitting pressure distribution, corresponds approximately to the respective criteria of a person of an average weight. In order to realistically simulate with such a seat testing body the vibration action of human beings independently of the seat construction and the seat position, particularly to be able to quantitatively correctly reflect that reality in the higher-frequency range, a three-dimensionally vibratory spring damper mass system is mounted on the seat testing body. At least one vibrating mass is surrounded by a spring damper medium such that it can vibrate in all three directions in space.
REFERENCES:
patent: 5259765 (1993-11-01), Richards
patent: 5465469 (1995-11-01), Sakai et al.
patent: 5703303 (1997-12-01), Stewart
patent: 6009750 (2000-01-01), Maurer et al.
Faust Eberhard
Pfahler Karl
Stellmach Gunter
Chapman John E.
Daimler-Chrysler AG
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