发明名称 MAGAZINE FOR PHOTOGRAPHIC FILM
摘要 PURPOSE:To enable sure and easy detaining by specifying the ratio between the inside radius of a film winding chamber and the radius of a core existing in the winding chamber. CONSTITUTION:This magazine consists of a film supplying chamber 3 contg. a film 1 wound together with a rear plate 2, the film winding chamber 6 having a pawl 4 for stopping the film and the winding core 5 and a connecting bridge part 7 for connecting the two chambers 3, 6. The magazine is so formed that the ratio between the inside radius A of the film winding chamber 6 and the radius B of the core 5 existing in the winding chamber 6 attains >=1:0.73. The margin between the terminal part of the film 1 and the wall of the winding chamber 6 is thereby decreased when the film 1 is taken up near to the terminal thereof. The film detaining hole is thus surely engaged with the detaining pawl 4 and is prevented from being pulled off.
申请公布号 JPH01118129(A) 申请公布日期 1989.05.10
申请号 JP19870276480 申请日期 1987.10.30
申请人 KONICA CORP 发明人 HATANAKA TAKAO;SASAKI HISAMI;TAGUCHI MASAHIKO
分类号 G03C3/00 主分类号 G03C3/00
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