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    • 3. 发明授权
    • Film cartridge with visual indicator for verifying film loading in camera
    • 胶片盒带视觉指示器,用于验证相机中的胶片装载
    • US5659834A
    • 1997-08-19
    • US665261
    • 1996-06-17
    • Richard Scott KeirsbilckJoseph Anthony Manico
    • Richard Scott KeirsbilckJoseph Anthony Manico
    • G03B17/30G03B17/26G03B23/02G11B23/28
    • G03B17/30G03B2217/263G03B2217/268
    • A film cartridge has a housing with a film exit slit, and a film roll support rotatable inside the housing to unwind a filmstrip beginning with a film leader outwardly through the slit to accomplish film loading in a camera. A visible film-loaded indicator is provided on the housing to be seen through a window in a camera. A flexible cover strip has a leading end portion secured to a forward end portion of the film leader which protrudes from the slit, an opaque trailing end portion extending over the film-loaded indicator to prevent the indicator from being seen through the window in the camera, and an intermediate folded portion interconnecting the leading and trailing end portions to unfold as the film leader is moved outwardly through the slit. The folded portion is of suitable length to draw the trailing end portion from over the film-loaded indicator to permit the indicator to be seen through the window in the camera when the film leader is moved substantially completely through the slit. An open pocket contains the cover strip and has an interior transparent shelf which supports the trailing end portion of the cover strip over the film-loaded indicator to permit the indicator to be seen when the trailing end portion is removed from the shelf and which separates the intermediate folded portion of the cover strip from the trailing end portion to permit the folded portion to unfold without moving in contact with the trailing end portion.
    • 胶片暗盒具有带有胶片出射狭缝的外壳,以及可在外壳内转动的胶片卷支架,以便通过狭缝向外从胶卷头向外展开胶卷,以在相机中完成胶片装载。 一个可见的胶片装载的指示器设置在外壳上,以通过相机中的一个窗口看到。 柔性盖带具有固定到胶片引导件的从狭缝突出的前端部分的前端部分,在胶片装载的指示器上延伸的不透明后端部分,以防止通过相机中的窗口看到指示器 以及中间折叠部分,其将前端部分和后端部分互相连接,以在胶片引导件通过狭缝向外移动时展开。 折叠部分具有适当的长度,以便当胶片引导件基本上完全穿过狭缝移动时,从胶片装载的指示器上方画出后端部分,以允许通过相机中的窗口看到指示器。 开口袋包含盖条,并且具有内部透明搁架,其将覆盖带的后端部分支撑在胶片装载的指示器上,以允许当后端部从搁板移除时可以看到指示器, 所述盖带的中间折叠部分从后端部分开始,以允许折叠部分展开而不与后端部分接触。