| 摘要 |
PROBLEM TO BE SOLVED: To provide a spring-urged multi-axis hinge device capable of easily performing cover opening operation or cover closing operation by small force and saving the installation space and facility cost of an aid means. SOLUTION: In a multi-axis hinge device comprising two short links 8A, 8B, two long links 9A, 9B, a cover pivot member 6 and a fixing frame body shaft support member 7, the base end of a torsion bar 4 is fixed on a torsion bar fixing bracket fixed on the inner wall face of the opening part of a fixing frame body 2, the edge part of the torsion bar 4 is fixed on the base end pivotal part of the long link 9A, and during the closing rotation of a cover 1 or the opening rotation, torsion deformation is imparted on the torsion bar 4.
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