Patent ID: 7218027
Filing Date: 2007-05-15
Classification: A63H,H01R,H02K

Abstract:
1. A motor head or endbell for a DC motor having a rotor with a commutator and a motor axis, said motor head comprising: brushes to be seated on the commutator, the brushes being mounted for movement relative to the commutator and being pushed by spring pressure onto the commutator; and brush boxes, with each brush box configured to receive at least one brush such that it can slide in a movement direction determined by the brush box, wherein the motor head is made of a material of good thermal conductivity and each brush box is mounted in a hole or bore in the motor head in an electrically isolated manner without significantly adversely affecting good thermal contact between the brush box and the motor head wherein: the motor head has the form of a shell; a printed circuit board is arranged in the interior of the motor head; the printed circuit board includes a circuit for motor suppression; the circuit board is electrically connected to the brush boxes via contact springs which press against the brush boxes; and an externally visible light-emitting diode is arranged on the circuit board.