US Patent 11640072 Optical unit with shake-correction function

An optical unit with shake-correction function is provided and includes: a movable body, a rotational support structure, a gimbal mechanism, and a fixed body. The rotational support structure, which rotatably supports the movable body including a camera module around an optical axis, is rotatably supported by the gimbal mechanism around a first axis and a second axis. The rotational support structure includes a first annular groove provided on the movable body, a plate roller including a second annular groove facing the first annular groove in the direction of Z axis, and multiple spherical objects inserted into the first annular groove and the second annular groove. The gimbal mechanism rotatably supports the plate roller around a first axis. The movable body includes a first-side stopper part facing one of plate roller extension portions with a gap from one side in the circumferential direction around the Z axis.