Patent ID: 7872816
Filing Date: 2011-01-18
Classification: G02B,G03B

Abstract:
1. A turning mechanism, adapted to a projector comprising a base and a zoom lens set in the base, for turning a zoom bar of the zoom lens, the turning mechanism comprising: a fixed element, suitable to be fastened to the base, and comprising a pair of slide tracks; and a movable element, comprising a pair of slide edges, a pair of slide hooks, and a turn portion, wherein the turn portion comprises a pair of turning pieces, the zoom bar is turned by one of the pair of turning pieces, and the turning pieces are disposed at two opposite sides of the zoom bar, wherein the pair of slide hooks lock the pair of slide tracks respectively, the pair of slide edges are supported by the pair of slide tracks respectively, such that the movable element substantially slides around a light axis of the zoom lens relative to the fixed element, so as to move the turn portion to turn the zoom bar.