| 摘要 |
A rotary disk for an image-changing light device includes a metal disk body adapted to be disposed in the light device. The disk body is formed by two disk halves coupled detachably with each other, and a plurality of colored lenses. Each of the disk halves is pressed to form a circle of angularly spaced recess units and is punched to form a circle of openings through the disk half. Each of the recess units is defined by a bottom wall unit through a portion of which a corresponding one of the openings is formed so that the light beam emitted from a light emitting unit of the light device can pass through the openings when the disk rotates. Each of the lenses is clamped between the bottom wall units of the disk halves in such a manner that a portion of the lens is fitted within a corresponding one of the recess units of one of the disk halves while another portion of the lens is fitted within a corresponding one of the recess units of the other one of the disk halves.
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