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1. 发明授权

US06400901B2 Shield device and camera 有权
标题翻译：屏蔽装置和相机
公开(公告)号：US06400901B2
公开(公告)日：2002-06-04
申请号：US09769250
申请日：2001-01-26
申请人： Noboru Akami , Yuji Watanabe , Akira Kayatama
发明人： Noboru Akami , Yuji Watanabe , Akira Kayatama
IPC分类号： G03B1708
CPC分类号： G03B17/04
摘要： A shield device includes: a main body having an opening portion; a cylindrical member that is movable in a direction substantially perpendicular to the opening portion; and a shield member, an outer edge of which is engaged to an inner edge of the opening portion, and an inner edge of which is fitted upon an outer surface of the cylindrical member so as to be slidable thereon and so as to shield a gap between the main body and the cylindrical member. And the cylindrical member is movable through the opening portion in a direction of a central axis of the cylindrical member; at least a portion of an outer circumferential surface of the cylindrical member has a shape different from another portion thereof along the direction of the central axis; and the shield member contacts along the outer circumferential surface having the different shape, as the cylindrical member moves in the direction of the central axis.
摘要翻译：屏蔽装置包括：具有开口部分的主体; 圆筒形构件，其可在基本上垂直于所述开口部的方向上移动; 以及屏蔽构件，其外缘接合到所述开口部的内边缘，并且其内边缘装配在所述圆筒构件的外表面上以便在其上滑动，以便屏蔽所述间隙在主体和圆柱形构件之间。并且所述筒状构件能够在所述筒状构件的中心轴方向上穿过所述开口部移动，圆柱形构件的外周表面的至少一部分具有沿着中心轴线的方向与其另一部分不同的形状; 并且屏蔽构件沿着具有不同形状的外周面接触，因为圆柱形构件沿着中心轴线的方向移动。

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