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    • 9. 发明授权
    • Interchangeable camera lens assembly
    • 可更换相机镜头组件
    • US4299470A
    • 1981-11-10
    • US122177
    • 1980-02-19
    • Seiichi Shimizu
    • Seiichi Shimizu
    • G02B7/14G03B17/14G03B17/00G02B7/02
    • G02B7/14G03B17/14
    • An interchangeable lens assembly for a camera having a first and a second assembly unit releasably coupled to each other. The first assembly unit being directly coupleable to the camera and including an adapter member and a lens barrel which are relatively rotatable. The adapter member includes a retainer device for maintaining the adapter member rotatively fixed when the first assembly unit is mounted on the camera and a first coupling member adapted to engage a first complementary coupling member in the camera to enable releasable coupling and decoupling of the first unit with the camera. A mechanism is provided for returning the aperture signal transmission member to a predetermined position relative to the adapter member when the first assembly unit is dismounted from the camera. The lens assembly also includes a first interlocking mechanism for locking the adapter member and the lens barrel in a predetermined rotative position relative to each other when the first assembly unit is dismounted from the camera, a second locking mechanism for maintaining the adapter member and the lens barrel rotatively fixed relative to each other at a second angular position when the first assembly unit is mounted on the camera and a third locking mechanism for releasably locking the first and second lens units together when they are operatively coupled.
    • 一种用于相机的可互换镜头组件,具有可释放地彼此联接的第一和第二组合单元。 第一组件单元可直接连接到照相机并且包括可相对旋转的适配器构件和镜筒。 适配器构件包括保持器装置,用于当第一组件单元安装在照相机上时可转动地固定适配器构件,以及第一联接构件,其适于接合照相机中的第一互补联接构件,以使第一单元可释放地联接和解耦 与相机。 提供一种机构,用于当第一组装单元从照相机上卸下时,将孔径信号传输构件相对于适配器构件返回到预定位置。 透镜组件还包括第一互锁机构,用于当第一组件单元从照相机上拆下时将适配器构件和透镜镜筒相对于彼此锁定在预定的旋转位置;第二锁定机构,用于保持适配器构件和透镜 当所述第一组件单元安装在所述照相机上时,在第二角位置处相对于彼此可旋转地固定的桶,以及用于当所述第一和第二透镜单元可操作地联接时将所述第一和第二透镜单元可释放地锁定在一起的第三锁定机构。