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发明授权
US06442352B1 Device for opening and closing a cover of a film cartridge chamber 失效
用于打开和关闭暗盒室的盖的装置

  • 专利标题： Device for opening and closing a cover of a film cartridge chamber
  • 专利标题（中）： 用于打开和关闭暗盒室的盖的装置
  • 申请号： US09570633
    申请日： 2000-05-15
  • 公开(公告)号： US06442352B1
    公开(公告)日： 2002-08-27
  • 发明人: Kenji Ito
  • 申请人： Kenji Ito
  • 优先权： JP11-138310 19990519
  • 主分类号： G03B1702
  • IPC分类号： G03B1702
Device for opening and closing a cover of a film cartridge chamber
摘要：
A film cartridge chamber cover opening-and-closing device of a camera has a first lock member arranged to switch the state of a cartridge chamber cover between an unlocked state in which the cartridge chamber cover can be opened and a locked state in which the cover is kept closed, by using a power for transporting a film, and a second lock member arranged to switch the state of the cartridge chamber cover between the unlocked state and the locked state by using a power for driving a photo-taking lens barrel.
摘要（中）：

照相机的暗盒室盖开闭装置具有第一锁定构件，其被布置成将暗盒室盖的状态切换到暗盒室盖可打开的解锁状态与锁盖状态之间， 通过使用用于传送胶片的电力而保持关闭;以及第二锁定构件，其被布置成通过使用用于驱动拍摄镜筒的电源来将盒室盖的状态切换到解锁状态和锁定状态之间。

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