Patent attributes
A coil bobbin for preventing coil lead wires to terminal pins from being loosened, and a transformer employing such coil bobbin. The coil bobbin made of a thermosetting resin is provided with a secondary side terminal base including a first surface to which lead wires of secondary coil wound on the bobbin are led and a second surface provided with terminal pins and perpendicular to the first surface, and with projections projected continuously from both of the first and second surfaces for catching the lead wires to be connected to the terminal pins. The transformer includes primary and secondary coils wound on the bobbin and an iron core mounted about the coils. The lead wires of the secondary coil are led out of the first surface of the secondary side terminal base, caught by the projections and wound on the terminal pins on the second surface of the base.
