| 摘要 |
PROBLEM TO BE SOLVED: To realize reduction of the number of part items, reduction of man- hours, reduction of cost, facilitation of manufacturing, and improvement of durability of parts. SOLUTION: A balance weight 116 is formed of a plurality of plates 124 caulked in the laminated state. As a result of caulking, a projecting part 130 is formed, and the surface P on which the projecting part 130 is formed is incorporated in a first shaft 102 toward the joining side to an eccentric body bearing 104.
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