Patent ID: 6885269

Claim:
A fastening device for a toroidal choking coil for fastening a toroidal coil to an electric device or a corresponding supporting base, the toroidal choking coil comprising: an inner circumference defined by a surface parallel with an axis of rotation of the toroidal choking coil and located closest to the axis of rotation; an outer circumference defined by a surface parallel with the axis of rotation of the toroidal choking coil and located outermost from the axis of rotation, and; side surfaces defined by surfaces perpendicular to the axis of rotation of the toroidal choking coil and connecting the inner circumference and the outer circumference, a choking coil base arranged to fasten to the supporting base, a supporting means projecting from the choking coil base such that the outer circumference of the toroidal choking coil does not come into contact with a surface of the choking coil base when the outer circumference of the toroidal choking coil comes into contact with the supporting means, and wherein the choking coil base comprises at least one vertical supporting means arranged to come into contact with the outer circumference of the toroidal choking coil for supporting the toroidal choking coil in a direction perpendicular to the axis of rotation, at least one choking coil collar for fastening the toroidal choking coil to the choking coil base, the choking coil collar being arranged to come into contact with the outer circumference of the toroidal choking coil and to be mechanically connectible to the choking coil base such that upon connecting the choking coil collar, it generates forces perpendicular to the axis of rotation of the toroidal choking coil for supporting the toroidal choking coil.