Eric D Hatfield

US Patent:

20130270934, Oct 17, 2013

Filed:

Jun 17, 2013

Appl. No.:

13/919352

Inventors:

David J. Smith - Columbia MD, US
Justin Ayers - Timonium MD, US
David E. Gillespie - Baltimore MD, US
Eric E. Hatfield - Anthem AZ, US
Earl M. Ortt - Towson MD, US
Stephen Osborne - Pikesville MD, US
Brian Friedman - Baltimore MD, US
Jarrett A. Dunston - Owings Mills MD, US

Assignee:

Black & Decker Inc. - Newark DE

International Classification:

H02K 3/52
H02K 7/14

US Classification:

310 50

Abstract:

A power tool includes a motor having a stator assembly and a rotor pivotably arranged inside the stator. The stator assembly includes a lamination stack defining a plurality of poles; a plurality of field windings each arranged at at least two opposite poles of said plurality of poles and connected together around the stator assembly; and a plurality of conductive terminals longitudinally arranged along an outer surface of the lamination stack and electrically coupled to the plurality of field windings and a power source.