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    • 10. 发明授权
    • Back-cover release device for a camera
    • 相机后盖释放装置
    • US4887114A
    • 1989-12-12
    • US320660
    • 1989-03-08
    • Masato YamamotoMasahiro NakajimaToshimasa Yamanaka
    • Masato YamamotoMasahiro NakajimaToshimasa Yamanaka
    • G03B17/02
    • G03B17/02G03B2217/268
    • A release device for unlocking the back-cover of a camera includes a back-cover lock member urged in a direction to lock the back-cover, an operating lever pivotally disposed along a side of the camera and operable externally of the camera so as to be angularly displaced therefrom and an interlocking plate for interlocking the operating lever with the back-cover lock member. The operating lever is engageable with the interlocking plate after the operating lever is angularly rotated through a predetermined preliminary angle in an opening direction from a position where the operating lever is disposed along the camera body so as to displace the interlocking plate and to correspondingly displace the lock member to thereby unlock the back-cover. The interlocking plate is interlocked with a film rewind shaft so as to move the film rewind shaft in a direction to disengage the shaft from a film cartridge in accordance with the movement of the back-cover lock member to its unlocked position when the operating lever has been rotated beyond the predetermined preliminary angle.
    • 用于解锁相机的后盖的释放装置包括沿着锁定后盖的方向被推动的后盖锁定构件,沿着照相机的侧面可枢转地设置的操作杆,并且可在照相机的外部操作,以便 与其成角度地移位,以及互锁板,用于将操作杆与后盖锁定构件互锁。 操作杆在操作杆沿着照相机主体沿着打开方向从预定的预定角度旋转预定的预定角度以使操作杆沿着照相机主体设置,以便使互锁板移位并相应地使 锁定构件,从而解锁后盖。 互锁板与胶片重绕轴互锁,以便当操作杆具有的位置时,根据后盖锁定构件的移动到其未锁定位置,使胶片倒带轴沿着从轴与胶片暗盒脱离的方向移动 旋转超过预定的预备角度。