Tdk Corporation

Osamu Kobayashi

Kazuyoshi Hanabusa

Satoshi Miyagi

A coil assembly having a drum core for winding a coil wire. The drum core has a drum portion and a pair of end flanges provided at the opposite ends of the drum portion. The wire is wound on the drum portion. The drum core is encircled by a cylindrical ring core. The drum core and the ring core are supported by a base plate which has a recess for receiving end portions of the drum core and the ring core for appropriately locating the drum core and the ring core during assembling. The ring core is formed with cutouts leaving projecting edges at the end adjacent to the base plate. The base plate is provided with terminals at the edge portions adjacent to the cutouts of the ring core. End portions of the coil wire are passed through the cutouts and connected with the terminals.

Growing community of inventors

Ichikawa, Japan

Osamu Kobayashi