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    • 18. 发明授权
    • Instant film pack and instant camera
    • 即时电影包和即时相机
    • US5541683A
    • 1996-07-30
    • US355248
    • 1994-12-02
    • Masanobu KiharaTakeshi TamuraKatsuyoshi AsakuraHiroshi OhmuraHidefumi OboRyuzi Uemura
    • Masanobu KiharaTakeshi TamuraKatsuyoshi AsakuraHiroshi OhmuraHidefumi OboRyuzi Uemura
    • G03B17/32G03B17/52G03B17/26
    • G03B17/32G03B17/52
    • An instant film pack for use with an instant camera has a case, with a back wall and a front wall in which an exposure aperture is formed. 10 rectangular film units are stacked and contained in the case. The film units after exposure are exited through an outlet slot. Two access openings are formed in the back wall of the case, and receive entry of pads of the camera. A light-shielding sheet is contained between the back wall and the film units, closes the access openings openably, and prevents ambient light from entry through the access openings. The light-shielding sheet, pressed by the pads, presses the film units toward the exposure aperture. Two pressing curved ridges are projected from the back wall in an arcuate shape, and contact at least two lateral edges which are formed beside the light-shielding sheet, and directed toward the outlet slot. The pressing curved ridges prevent the film units from being depressed to a rear of the exposure aperture inside the case.
    • 用于与即时相机一起使用的即时胶卷盒具有外壳,其中后壁和形成有曝光孔的前壁。 10个矩形膜单元堆叠并包含在壳体中。 曝光后的胶片单元通过出口槽排出。 在壳体的后壁中形成两个进入开口,并接收相机的垫片的进入。 遮光片被容纳在后壁和胶片单元之间,可开闭地关闭进出口,并防止环境光进入通道。 由垫压制的遮光片将胶片单元压向曝光孔。 两个按压弯曲的凸脊从后壁以弓形形状突出,并且接触形成在遮光片旁边的至少两个横向边缘并指向出口狭槽。 按压弯曲的脊部防止胶片单元被压到壳体内的曝光孔的后部。