Patent ID: 6864609
Filing Date: 2005-03-08
Classification: H02K

Abstract:
1. An electric motor comprising: a one-piece frame, the frame including locating structure extending axially from an end portion thereof, a shaft, an armature disposed within at least a portion of the frame and being constructed and arranged to rotate the shaft, a commutator associated with the shaft, windings carried by the armature and connected to the commutator, permanent magnet structure carried by the frame and disposed generally adjacent to the armature, at least one brush arm coupled to an associated locating structure, a brush coupled with an associated brush arm so that the brush engages the commutator to deliver electric current to the windings, and a coil spring structure containing iron and disposed about at least a portion of the permanent magnet structure in a manner to clamp the permanent magnet structure with respect to the frame and to define a flux path for the motor.