| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a gear container is shifted by a tightening force for tightening a screwing part for attaching a gear container when game parts are assembled so that an output side gear can not be attached to a shaft side gear with a proper backlash. SOLUTION: On one game part structure (shaft holder 300), another game part structure (600) is loaded. In the case that one game part structure is assembled with another game part structure with three or more screwing parts tightening screws by way of holes (attaching hole 604) provided on another game part structure and a hole (threaded hole 603) provided on one game part structure, at least one screwing part is tightened with a screw in a state that positioning rods 6 are inserted in the holes of the two or more another screwing parts except one screwing part and then the positioning rods are withdrawn one by one from the two or more holes of the screwing parts so as to tighten the screwing part from which the positioning rods are withdrawn. COPYRIGHT: (C)2004,JPO
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