Patent ID: 7787044
Filing Date: 2010-08-31
Classification: G02B,G03B,H04N

Abstract:
1. A lens module, comprising: a lens barrel; a first lens received in the lens barrel, the first lens comprising at least three first sloping portions provided thereon, each of the first sloping portions having a lower end and a higher end, with the first sloping portion gradually sloping from the lower end to the higher end, the first sloping portions arranged end to end with the higher end of each first sloping portion being adjacent to the lower end of the corresponding adjacent first sloping portion, with the first sloping portions arranged on a common circular path; an adjusting disk having a first surface at one side thereof, the adjusting disk being rotatably mounted on the lens barrel, the adjusting disk comprising at least three first protrusions provided on the first surface thereof, the first protrusions respectively abutting the first sloping portions of the first lens; and at least one first elastic member biasing the first lens toward the adjusting disk, wherein when the adjusting disk is rotated relative to the lens barrel between a first position where the first protrusions abut against the lower ends of the first sloping portions and a second position where the first protrusions abut against the higher ends of the first sloping portions, the first lens moves along an axis of the lens barrel.