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    • 7. 发明授权
    • Lock cover mechanism
    • 锁盖机构
    • US4597274A
    • 1986-07-01
    • US711969
    • 1985-03-14
    • Charles M. CosciaMichael K. Scott
    • Charles M. CosciaMichael K. Scott
    • E05B17/18
    • E05B17/185Y10T70/8568Y10T70/8649
    • A cover mechanism for covering a lock having a key opening in a lock support surface includes a cover plate which may be pivoted between a closed position in which the key opening of the lock is covered and an opened position in which the key opening is exposed. A detent arrangement includes a first stop which engages the cover plate to hold it in its opened position until insertion of a key into the key opening, whereupon a second stop of the detent arrangement engages the cover plate and prevents movement of the cover plate into its closed position until withdrawal of the key is initiated. A damping arrangement slows movement of the cover plate from its opened position into its closed position.
    • 用于覆盖在锁定支撑表面中具有钥匙开口的锁的盖机构包括盖板,该盖板可在锁定件的钥匙开口被关闭的关闭位置和钥匙开口露出的打开位置之间枢转。 制动装置包括第一止动件,其接合盖板以将其保持在其打开位置,直到将钥匙插入钥匙开口中,于是止动装置的第二止挡件接合盖板并防止盖板运动到其中 关闭位置,直到启动键的撤回。 阻尼装置减慢盖板从其打开位置移动到其关闭位置。