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    • 4. 发明授权
    • Exposed shackle padlock
    • 裸露的挂钩挂锁
    • US3952559A
    • 1976-04-27
    • US469039
    • 1974-05-10
    • Wallace E. Atkinson
    • Wallace E. Atkinson
    • E05B37/00E05B67/22E05B37/10E05B67/24
    • E05B67/22E05B37/0034E05B37/0075Y10T70/424Y10T70/461Y10T70/7763
    • An exposed shackle padlock including a casing and a U-shaped shackle movable between an outer open position and an inner locked position. A fence plate is supported for rocking movement within the casing about a pivot lug between locking and unlocking relations with a notch in a shorter leg of the shackle. One or more peripherally gated rotatable tumbler wheel members adjacent a fence formation on the fence plate normally prevent its movement to the unlocking position and may form either a key operated locking mechanism or a dial operated combination locking mechanism. The tumbler members in the combination lock form are scrambled during opening movement of the shackle and the fence plate is displaceable relative to the pivot lug to permit return of the shackle to locked position.
    • 一种外露的挂钩挂锁,其包括可在外部打开位置和内部锁定位置之间移动的外壳和U形钩环。 护栏板被支撑在壳体内围绕枢轴凸耳的摇摆运动,该枢轴凸耳在锁定和解锁关系之间与钩环的较短的腿部中的凹口相关联。 一个或多个外围门控可旋转滚筒轮构件邻近栅栏板上的栅栏结构通常阻止其移动到解锁位置,并且可以形成钥匙操作的锁定机构或拨盘操作的组合锁定机构。 组合锁形式的翻转构件在卸扣的打开运动期间被加扰,并且挡板相对于枢轴凸耳可移位,以允许把手返回到锁定位置。