Patent ID: 6768243
Filing Date: 2004-07-27
Classification: H02K

Abstract:
A small-size motor including a metallic case of a bottomed hollow cylindrical shape fitted with magnets on the inner peripheral surface thereof, a case cover made of synthetic resin mounted so as to close an opening of said case, and a rotor fitted with a laminated core, windings wound on said laminated core, and a commutator on a shaft,wherein said case cover supports a pair of brush units each of which includes a brush arm fitted with a brush and a brush base fixed and connected to said brush arm, and wherein said case cover is formed with three voids to contain three electric elements, a first electric element is fixed mechanically between said paired brush units in a first void and is connected electrically, and the remaining two second and third electric elements are located on both sides of said first electric element and are pressed on said brush base in the motor shaft direction by a body earth terminal in second and third voids, so that said body earth terminal is fixed to said case cover and said two electric elements are fixed mechanically and connected electrically.