Patent ID: 6798110
Filing Date: 2004-09-28
Classification: H02K

Abstract:
A brush card comprising:a non conductive card having a commutator aperture; at least one pair of parallel channels formed on the card adjacent the aperture and extending along the card perpendicular to the commutator aperture, the card forming a pair of parallel opposing channel edges adjacent the parallel channels, a portion of the card forming an elongated tongue separating the pair of channels, the tongue having a distal end extending towards the commutator aperture and a proximal end opposite the distal end, a conductive brush slidingly mounted to the tongue, the brush having opposite first and second sides, the brush having a central groove dimensioned to receive the tongue, the brush having a first groove extending along the first side of the brush, the first groove dimensioned to receive one of the channel edges, the brush having a second groove extending along the second side of the brush, the second groove dimensioned to receive the other channel edge, a biasing spring mounted to the tongue and positioned between the brush and the proximal end of the tongue, the biasing spring biasing the brush towards the commutator aperture.