Patent ID: 11900975
Assignee: NHK SPRING CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The head driving device of claim 9, further comprising:
a first suspension consisting of a metal plate member, and including the first beam, the first base side hinge portion and the first head side hinge portion;
a second suspension consisting of the plate member, including the second beam, the second base side hinge portion and the second head side hinge portion, and forming a line-symmetric shape with the first suspension with respect to an axis which passes through a center of the first head supporting portion;
a third suspension consisting of the plate member, and including the third beam, the third base side hinge portion and the third head side hinge portion; and
a fourth suspension consisting of the plate member, including the fourth beam, the fourth base side hinge portion and the fourth head side hinge portion, and forming a line-symmetric shape with the third suspension with respect to the axis which passes through a center of the second head supporting portion.