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    • 3. 发明授权
    • Film transport mechanism for cameras
    • 相机胶片传输机制
    • US4115792A
    • 1978-09-19
    • US823000
    • 1977-08-08
    • Dieter EngelsmannHubert HackenbergSiegfried Zobel
    • Dieter EngelsmannHubert HackenbergSiegfried Zobel
    • G03B17/00G03B1/08G03B1/14G03B17/42G03B1/16
    • G03B1/08G03B1/14
    • The user of the camera moves an input component to supply film-transport force. A rotary transmission transmits film-transport force fo the input component to the film in the camera, and includes first and second output components. When the input component is moved, the first output component is arrested and the second non-arrested, and then the second output component is arrested and the first non-arrested. A locking structure moves from a locking position arresting the first output component and an unlocking position releasing the first output component. A sensing mechanism responds to film frame advancement by entering into a film perforation, causing the locking structure to move to the unlocking position and causing the second output component to become arrested by the resistance of the film to transport. The transmission includes a gear driven by the input component and driving the second output component and displaceable mounting member mounting the gear for both rotation and displacement. The displaceable mounting member constitutes the first output component of the transmission.
    • 摄像机的用户移动输入组件以提供胶片传送力。 旋转传送装置将输入部件的胶片传送力传送到相机中的胶片,并且包括第一和第二输出部件。 当输入组件移动时,第一个输出组件被逮捕并且第二个未被逮捕,然后第二个输出组件被逮捕并且首先被非逮捕。 锁定结构从锁定第一输出部件的锁定位置和释放第一输出部件的解锁位置移动。 感测机构通过进入薄膜穿孔来响应胶片框架前进,导致锁定结构移动到解锁位置,并使第二输出部件被胶片的阻力传递阻滞。 变速器包括由输入部件驱动并驱动第二输出部件的齿轮和可移动的安装构件,其安装齿轮用于旋转和移位。 可移动的安装构件构成变速器的第一输出部件。