Combination static plate and clamping ring

Claim 1

In electric induction apparatus of the type having, a housing, a magnetic core including a plurality of legs, said magnetic core being mounted internal of and in a fixed relation with respect to said housing, a cylindrical winding having upper and lower ends incorporating a plurality of radially spaced-apart coils, said winding being disposed around a leg of said magnetic core in an electrically insulated relationship thereto, first clamping support structure proximate to said upper end and second clamping support structure proximate to said lower end of said winding, said first and second clamping support structure being in a fixed relation with respect to said magnetic core and said housing, a lower force distributing member positioned between said lower end of said winding and said second clamping structure, wherein the improvement comprises: a. a foundation ring formed of concentrically positioned, generally circular, core-steel strips, adjacent surfaces of said core-steel strips being held together by bonding means, said foundation ring having a slot extending completely through said foundation ring in a generally radial direction; b. electrically conductive material placed on and electrically insulated from said foundation ring, for connection to a high voltage terminal of said electrical induction apparatus; and c. force generating means reacted between the combination of said foundation ring and said electrically conductive material, and said first clamping support structure for the applicaton of a compressive force to the upper and lower ends of said winding.