| 摘要 |
PURPOSE:To permit the use of common parts and common assembly line and to reduce cost by making the basic design common while changing battery sizes with respect to a movement. CONSTITUTION:The largest possible battery 1 to meet the size the movement is used and the position of the part where a coil block 2 and a circuit block 4 are coupled is fixed, by which both blocks 2, 4 are made common. A train wheel bridge 3 is formed to the shape conforming the outside shapes of both blocks 2, 4 and various sizes of the batteries 1, so that the shape of the bridge 3 is made one kind. The reduction of the cost of the parts is thus caused from the merit of mass production and the production of various sizes of movements with the common assembly line is made possible, by which the cost of assembly is reduced.
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