MOTOR
First Claim
Patent Images
1. A motor comprising:
- a motor portion; and
a speed reducing portion,wherein the motor portion includes a brush holder, which holds a feeder brush for supplying power to a commutator fixed to a rotary shaft, the brush holder being provided at an open end of a metal yoke housing, through which open end rotation of the motor portion is outputted,wherein a gear housing is assembled to the open end of the yoke housing,wherein the speed reducing portion has a speed reducing mechanism located in the gear housing, the speed reducing mechanism reducing the speed of the rotation from the motor portion and outputting the rotation,wherein as seen in a direction orthogonal to an axis of the yoke housing, the commutator and the feeder brush are arranged outside the yoke housing, andwherein as seen in the axial direction, an outer end of the feeder brush is arranged outside an inner circumferential surface of the yoke housing.
2 Assignments
0 Petitions
Accused Products
Abstract
A brush holder is provided in a metal yoke. The brush holder holds feeder brushes for supplying power to a commutator. The commutator and the feeder brushes are arranged outside the yoke housing as seen in a direction orthogonal to the axis of the yoke. As seen in the axial direction, proximal ends of the feeder brushes are arranged outside the inner circumferential surface of the yoke.
-
Citations
7 Claims
-
1. A motor comprising:
-
a motor portion; and a speed reducing portion, wherein the motor portion includes a brush holder, which holds a feeder brush for supplying power to a commutator fixed to a rotary shaft, the brush holder being provided at an open end of a metal yoke housing, through which open end rotation of the motor portion is outputted, wherein a gear housing is assembled to the open end of the yoke housing, wherein the speed reducing portion has a speed reducing mechanism located in the gear housing, the speed reducing mechanism reducing the speed of the rotation from the motor portion and outputting the rotation, wherein as seen in a direction orthogonal to an axis of the yoke housing, the commutator and the feeder brush are arranged outside the yoke housing, and wherein as seen in the axial direction, an outer end of the feeder brush is arranged outside an inner circumferential surface of the yoke housing. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A motor comprising:
-
a motor portion; and a speed reducing portion, wherein the motor portion includes a brush holder, which holds a feeder brush for supplying power to a commutator fixed to a rotary shaft, the brush holder being provided at an open end of a metal yoke housing, through which open end rotation of the motor portion is outputted, wherein a gear housing is assembled to the open end of the yoke housing, wherein the speed reducing portion has a speed reducing mechanism located in the gear housing, the speed reducing mechanism reducing the speed of the rotation from the motor portion and outputting the rotation, wherein the brush holder has a brush accommodating portion, which accommodates the feeder brush such that the feeder brush is movable, wherein as seen in a direction orthogonal to an axis of the yoke housing, the commutator, the brush accommodating portion, and the feeder brush are arranged outside the yoke housing, and wherein as seen in the axial direction, an outer end of the brush accommodating portion is arranged outside an inner circumferential surface of the yoke housing.
-
-
7. A motor comprising:
-
a motor portion; and a speed reducing portion, wherein the motor portion includes a brush holder, which holds a feeder brush for supplying power to a commutator fixed to a rotary shaft, the brush holder being provided at an open end of a metal yoke housing, through which open end rotation of the motor portion is outputted, wherein a gear housing is assembled to the open end of the yoke housing, wherein the speed reducing portion has a speed reducing mechanism located in the gear housing, the speed reducing mechanism reducing the speed of the rotation from the motor portion and outputting the rotation, wherein the brush holder has a brush box, in which a brush accommodating portion is formed, the brush accommodating portion accommodates the feeder brush such that the feeder brush is movable, wherein as seen in a direction orthogonal to an axis of the yoke housing, the commutator, the brush box, and the feeder brush are arranged outside the yoke housing, and wherein as seen in the axial direction, an outer end of the brush box is arranged outside an inner circumferential surface of the yoke housing.
-
Specification