| 摘要 |
PROBLEM TO BE SOLVED: To provide a player door opening and closing device which is easy to assemble and also hardly causes-assembling error. SOLUTION: Projected parts 12d, 13d are formed in respective movable tracks 12, 13 in different manners from each other, and also projected parts 10d, 10d are formed at rack housing positions of an upper mounting 10 in different manners from each other, and when attaching the movable racks 12, 13 to the rack housing positions not corresponding thereto and trying to locate them at specified positions, the recessed parts of the movable racks 12, 13 cannot be fitted onto the projected parts of the housing positions, therefore, it can be simply recognized whether they are correctly assembled. COPYRIGHT: (C)2006,JPO&NCIPI
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