A WIPER ARM APPARATUS IMPROVING LOCK BACK STRUCTURE

摘要

PURPOSE: A wiper arm device with enhanced lock back structure is provided to improve the external appearance of the wiper arm device by having a stopper cover part by which a part where a retainer and an arm head are connected is not exposed to the outside in a lock back state. CONSTITUTION: A wiper arm device(10) with enhanced lock back structure comprises an arm head(20), a retainer(30), and a protruded part(32). The arm head is fixed on a pivot shaft of a vehicle. The retainer is rotationally assembled to one end of the arm head and is connected to a wiper blade. The spring is elastically coupled to the retainer and the arm head. The protruded part is arranged in the retainer at the lateral side of the end of a part where the retainer is coupled to the arm head.