Method of skewing and securing stacked rotor laminations

Claim 1

IN A PROCEDURE FOR SKEWING CORE SLOT CONFIGURATION OF A STACK OF AXIALLY POSITIONED ROTOR LAMINATIONS EACH WITH AT LEAST ONE EXTERNAL SLOT COLLECTIVELY ENGAGEABLE IN PREDETERMINED LOCATION RADIALLY INWARDLY OF THE STACK BY TAB-LIKE PROJECTIONS OF CRESCENT-SHAPED SHIM MEANS RESPECTIVELY OF DIFFERING ARCUATE LENGTH THOUGH CUMMULATIVELY HAVING THICKNESS SUBSTANTIALLY EQUAL TO THAT OF THE LAMINATION STACK, THE STEPS OF (A) ORIENTING THE RESPECTIVE SHIM MEANS AS TO A COMMON REFERENCE POINT TO FACILITATE INITIAL AXIAL ALIGNMENT BETWEEN THE EXTERNAL SLOTS OF LAMINATIONS AND TAB-LIKE PROJECTIONS OF SHIM MEANS COLLECTIVELY, (B) CONTAINING THE LAMINATIONS AND SHIM MEANS IN PREDETERMINED DIRECTIONS DURING COMPLEMENTARY FIT OF THE PROJECTIONS AND SLOTS OF LAMINATIONS THEREBY ENGAGED TO BE SHIFTED UNDER FORCE TRANSMITTED BY SHIM MEANS (C) POSITIONING THE SHIM MEANS HAVING AN OUTER SHOULDER EDGING THEREOF ENGAGED TO BE SHIFTED UNDER PUSHING FORCE TO A STRAIGHT EDGE STOP EFFECTED BY ENGAGEMENT OF SHIM EDGING AT ONE END THEREOF CORRESPONDING TO AXIAL ALIGNMENT OF THE LAMINATIONS DURING SAID ORIENTING, (D) OPPOSITELY SHIFTING THE SHIM MEANS UNDER SKEWING FORCE EXERTED IN A DIRECTION PARALLEL TO THAT OF THE SHIM MEANS AGAINST AN