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    • 1. 发明公开
    • Photo film cassette
    • 照片电影盒
    • EP0898198A2
    • 1999-02-24
    • EP98115194.7
    • 1998-08-12
    • FUJI PHOTO FILM CO., LTD.
    • Mochizuki, TadashiWatanabe, SeiichiShigesada, KeijiChino, NaoyoshiEnomoto, MasahiroYasui, MototadaTomita, Akira
    • G03C3/00
    • G03B17/30G03C3/00G03C2200/10
    • A photo film cassette has a spool core (26) about which photo film (12) is wound in a form of a roll. A cassette shell (11) contains the spool core in a rotatable manner. Two flanges (27, 28, 66, 67, 127, 128) have a disk shape, and are secured to respective ends of the spool core, for regulating lateral edges of the roll of the photo film. A circumferential lip (27b, 28c, 66b, 67b, 127b, 128c) is disposed on each flange, is extended toward the opposite one of the flanges, wraps one of the lateral edges of an outermost turn of the photo film of the roll, and prevents the photo film from being loosened. A rim portion (8a, 8b, 58a, 68a, 78a) is disposed on an circular edge of the circumferential lip confronted with the opposite one of the flanges, to project with a bend away from the spool core. A contact face (9a, 9b, 59a, 69a, 79a) is disposed on the rim portion, and contacts the one of the lateral edges of the photo film when the photo film is unwound from the spool core or wound back about the spool core. The contact face has a contact range of 0.15-0.8 mm in contacting the one of the lateral edges of the photo film.
    • 照相胶片暗盒有一个卷轴芯(26),照相胶片(12)围绕该卷轴芯卷绕成卷状。 盒壳(11)以可转动的方式容纳卷轴芯。 两个凸缘(27,28,66,67,127,128)具有盘形形状,并且固定到卷轴芯的相应端部,用于调节摄影胶片卷的横向边缘。 在每个凸缘上设置有一个环形凸缘(27b,28c,66b,67b,127b,128c),它们朝向凸缘中相对的一个凸缘延伸,包裹该胶卷的胶卷的最外圈的一个侧边缘, 并防止照相胶片松动。 边缘部分(8a,8b,58a,68a,78a)设置在与凸缘中的相对一个凸缘面对的周向唇缘的圆形边缘上,以远离线轴芯的弯曲方向突出。 一个接触面(9a,9b,59a,69a,79a)设置在边缘部分上,并且当照相胶片从卷轴芯展开或卷绕在卷轴芯上时接触摄影胶片的一个侧边缘 。 接触面在接触照相胶片的一个侧边缘时具有0.15-0.8mm的接触范围。