Patent ID: 8499815

Claim:
An improved louver turning mechanism, comprising; a turn traction member, a turn transmission member and a slat turning member which are connected in turn; wherein the turn transmission member comprises a slat turning wheel and a joint interlocking mechanism which are used in cooperation, the joint interlocking mechanism is, at one end thereof, eccentrically fixedly connected to the slat turning wheel to drive it to rotate, and, at the other end thereof, connected to the turn traction member through a connecting push rod; wherein the slat turning wheel is coaxially fixedly connected to a horizontal rotation shaft of the slat turning member; wherein the joint interlocking mechanism comprises more than one movable joint, and each of the more than one movable joints is comprised of two adjacent joint members; wherein each of the two adjacent joint members have a convex portion and a concave portion, the convex portion of one of the two adjacent joint members is engaged with the concave portion of the other adjacent joint member, whereby the two adjacent joint members are hinged together via a pin.