Patent ID: 9664921
Date: 2017-05-30
CPC Classifications: G02B,G03B,H02K,H04N

Claim:
1. An optical unit with a shake correcting function comprising: a fixed body; a movable body which holds an optical element; a swing support point which supports the movable body at a position between a rear end portion in an optical axis direction of the movable body and the fixed body and configured so that the movable body is swingable; a plate-shaped spring member which is connected with the fixed body and the movable body on a front side in the optical axis direction with respect to the swing support point, the plate shaped-spring member being configured to urge the movable body toward the swing support point; a shake correction drive mechanism configured to swing the movable body on the front side in the optical axis direction with respect to the spring member with the swing support point as a swing center; a stopper mechanism in which a protruded part protruded from the movable body is capable of abutting with the fixed body between the shake correction drive mechanism and the swing support point in the optical axis direction for determining a movable range when the movable body is displaced in a direction perpendicular to the optical axis direction; the protruded part is provided in the movable body; the shake correction drive mechanism comprises a sheet-shaped coil body disposed on the fixed body and a permanent magnet disposed on the movable body, and the protruded part is protruded from the movable body toward the sheet-shaped coil body with respect to the permanent magnet so as to be capable of abutting with the sheet-shaped coil body; the permanent magnet is capable of abutting with the sheet-shaped coil body when the movable body is swung for determining a swingable range of the movable body; the sheet-shaped coil body is structured so that a coil part is formed in a multi-layer structure through an insulation film; the movable body comprises a frame-shaped holder which holds the permanent magnet and a frame-shaped stopper member having the protruded part which is fixed to a rear side end face in the optical axis direction of the holder; the movable body is formed in a rectangular shape when viewed in the optical axis direction; and the protruded part comprises a first protruded part and a second protruded part separated from the first protruded part in an extending direction of each side portion of four side portions of the rectangular shape.