Title:
SMALL-SIZED DC MOTOR
Document Type and Number:
Japanese Patent JPS5953077
Kind Code:
A
Abstract:
PURPOSE:To ground an arbitray part without a lead by forming a bracket which covers the end hole of a metal motor frame of a printed board, and caulking the end of the frame with a copper foil to be used as an earth end. CONSTITUTION:A printed board 17 which has an a base a metal mounted to cover the end hole of a motor frame 1 is mounted on a frame 1 by caulking the end of the frame 1. A circuit part 10 whch includes a power transistor 13 is associated with the board 17, and a brush 8 and a bearing 5 are mounted. When grounding, the pattern surface of the printed board 17 is used as the outside to associate a stator, the position necessary for grounding is selected depending upon the utility, and the frame 1 is caulked at the selected position. The conductive state between the frame 1 and the board 17 is secured at the caulked part 18.
Inventors:
TERANAKA TOSHIYUKI
INASAWA TSUGUO
KATOU AKIRA
INASAWA TSUGUO
KATOU AKIRA
Application Number:
JP13803483A
Publication Date:
March 27, 1984
Filing Date:
July 28, 1983
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H02K23/66; H02K5/04; H02K5/14; (IPC1-7): H02K5/04; H02K23/66
Domestic Patent References:
| JPS5340808A | 1978-04-13 | |||
| JP52108527B | ||||
| JP52108528B |
Attorney, Agent or Firm:
Toshio Nakao