Patent ID: 11860442
Assignee: TDK CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An optical driving device comprising:
a movable portion, an optical element being attachable to the movable portion;
a drive portion movably holding the movable portion; and
a fixing portion holding the drive portion,
wherein each end portion of a first shaft and each portion of a second shaft are fixed to the fixing portion, the first shaft being provided in the drive portion and slidably holding the movable portion, the second shaft provided separately from the drive portion and slidably supporting the movable portion,
a diameter of the first shaft is larger than a diameter of the second shaft, and
a distance between fixing positions of the fixing portion, fixing positions fixing both end portions of the first shaft is smaller than a distance between fixing positions of the fixing portion, fixing positions fixing both end portions of the second shaft.