DEVICE TO MEASURE ERGONOMICS OF CONTROLS OF MOTOR VEHICLE Russian patent published in 1999 - IPC

FIELD: measurement technology. SUBSTANCE: device has framework and seat located in its lower part. Seat is made in the form of bearing semi-cylindrical member and is placed on driver's seat of motor vehicle. Upper part of driver's seat has level. Dynamometric element is located in upper part of device. It includes case housing screw and spring embraced by sleeve that is fitted with pointer. Pointer is brought out of vertical slit made in case. One end of screw carries flywheel. The other end has spherical head and is expanded into bearing washer in ceiling of cab. Floating square nut interacting with screw is positioned above sleeve. Framework is fabricated in the form of bent tube with simulation of arrangement of bearing joints of upper and lower extremities. Four measurement units are positioned in points corresponding to joints mentioned above. Each unit is composed of vertical disc fitted with reading scale, protractor and cords-rules. EFFECT: increased measurement accuracy. 3 dwg