Patent ID: 7770288

Claim:
A tool for driving a slide under a wedge within a slot of an armature or field of a dynamoelectric machine, wherein said armature or field comprises a core, said core comprising one or more vent slots for facilitating ventilation of said armature or field, said tool comprising: a drive for applying a driving force; a push block connected to said drive; at least two guide rails slidably connected to said push block and configured to cooperate with said push block; a bottom bumper comprised of polymeric material, said polymeric material functioning to protect the core from damage during use of said tool; wherein said bottom bumper of said tool is removably fastened to said tool, so that said bumper may be interchanged with bottom bumpers of different sizes or dimensions; and wherein, said drive operates on said push block to drive said slide under said wedge, and wherein said at least two guide rails reduce deflection or skew of said push block during a driving operation.