Patent ID: 11894755
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. A power tool comprising:
a housing; and
an electric motor including
a rotor assembly including a rotor shaft,
a stator assembly including a plurality of stator segments, each stator segment including a core, an insulator at least partially covering the core, and a coil winding, the insulator including a mounting portion,
a printed circuit board assembly configured to direct electric current to each coil winding,
a bus bar assembly attached to at least one of the mounting portions and configured to electrically connect the coil windings to the printed circuit board assembly, the bus bar assembly including a molded body and a plurality of conductors, the bus bar assembly defining a bearing pocket, and
a rotor bearing that is received into the bearing pocket and that supports the rotor shaft for rotation relative to the stator assembly;

wherein the molded body defines a plurality of axially extending protrusions and the printed circuit board assembly defines a plurality of recesses that receive the axially extending protrusions.