Patent ID: 8918948

Claim:
A wiper device for removing foreign substances that are stuck on a windshield, comprising: a lever assembly, comprising a frame, a pair of first levers hinge-coupled to either end of the frame, respectively, and a pair of second levers hinge-coupled to outside ends of the first lever, respectively; a contact member, being supported by an inside ends of the first levers and both end portions of the second levers and formed in the shape of a blade in close contact with the windshield so as to wipe out the foreign substances; and a cover assembly, comprising: a center cover, coupled to the frame and covering an entire upper portion and all of each opposing side portion of the frame and inside arms of the first levers arranged underneath the frame; a pair of first extension covers coupled to the pair of first levers, respectively, and covering an entire upper portion and all of each opposing side portion of outside arms of the first levers and portions of the second levers arranged underneath the first levers; and a pair of second extension covers coupled to the pair of second levers, respectively, and covering an entire upper portion and all of each opposing side portion of remaining portions of the second levers.