Manufacturing method for brush holder
AssigneeAsmo Co., Ltd.
InventorsYoshinobu Hirano, Kenji Obata, Masakuni Masuda
Life of this patent
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Abstract
A brush holder incorporates a terminal integral part, which has a coupling portion. The coupling portion couples the terminals with each other. The brush holder has a resin body and a plurality of terminals. The resin body has an opening. The terminals are embedded in the resin body. The terminals are coupled to each other by the coupling portion as an integral part before being embedded in the resin body. The coupling portion is exposed from the opening of the resin body. The terminals are separated from each other by cutting the coupling portion, which is exposed from the opening of the resin body. A coating member coats the opening of the resin body to insulate each terminal.
Claims8
A manufacturing method for a brush holder, wherein the brush holder is attached to a motor housing to close an opening of the motor housing and retains a brush, the method comprising:
- forming a terminal integral part, which includes a plurality of terminals and a coupling portion, wherein the coupling portion couples the terminals with each other;
- molding a resin body to embed the terminal integral part, wherein the resin body forms at least part of the brush holder and has an opening from which the coupling portion is exposed;
- separating the terminals from each other by cutting the coupling portion, which is exposed from the opening of the resin body;
- and
- molding a sealing member integrally with the resin body, the sealing member sealing the opening of the motor housing when the brush holder is attached to the motor housing, wherein, when the sealing member is molded, part of a material of the sealing member fills the opening of the resin to form a coating member for insulating the separated terminals from each other.
Dependencies are inferred from the claim text.