US Patent 7909634 Electrical connection structure of a connecting terminal

An objective is to provide a connection structure of a connecting terminal by which it becomes able to perform a connection of any of pieces for piercing as assuredly without being bended that is piercing through an electrically conductive flat square body, and to provide a method of connecting such the terminal. A unit for connecting a pierced terminal (1) comprises a pierced terminal (20) which comprises a plurality of blades on a pierced terminal (21) that are designed to pierce individually through a flat cable (100) and which is designed to be connected as electrically to such the flat cable (100) due to each of such the blades on the pierced terminal (21) that is piercing therethrough; and a back up plate (30) which comprises an opening for insertion (31) by which an insertion of any of the blades on the pierced terminal (21) is allowed that is piercing through the flat cable (100), wherein such the opening for insertion (31) is designed to be contacted to individual corresponding parts of such the blades on the pierced terminal (21) as not less than two pieces that are facing to each other and that are individually inserted into such the opening for insertion (31), respectively.