| 摘要 |
A first mark (28) is provided on a rotatable member (4), or on a connector (3) on which the rotatable member (4) is rotatably mounted. A second mark (30) is provided on the connector (3) on which the rotatable member (4) is rotatably mounted, or on the rotatable member (4) so as to be ascertained whether or not a pair of connectors (2), (3) are fully engaged with each other. Thus, a full engagement condition is ascertained without additional parts. Preferably, the first mark (28) or the second mark (30) is a projecting part (28) provided on the engaging arm (27) which is mounted resiliently on the rotatable member (4) or on the connector (3) on which the rotatable member (4) is rotatably mounted. Also preferably, the second mark (30) or the first mark (28) is the engaging part (30) with which the projecting part (28) is engaged.
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