Patent ID: 7557687

Claim:
A magnetic core for an electromagnetic apparatus, having a middle leg section, having a first outer leg section and a second outer leg section which are arranged on each side of the middle leg section, having a first link section and a second link section respectively linking each side of the middle leg section, the first outer leg section and the second outer leg section, and having a first opening and a second opening located between the respective leg sections, the magnetic core comprising; two cores which are joined with each other with a first abutting section extending through the middle leg section to insides of the first and second link sections, a second abutting section extending through the first outer leg section, and a third abutting section extending through the second outer leg section, wherein the first abutting section consists mainly of a first rectilinear section extending obliquely from the inside of the first link section to the inside of the second link section, a second rectilinear section extending obliquely from one end of the first rectilinear section and up to the first opening, and a third rectilinear section extending obliquely from an other end of the first rectilinear section and up to the second opening.