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    • 2. 发明授权
    • Pushbutton lock
    • 按钮锁
    • US6145355A
    • 2000-11-14
    • US164403
    • 1998-09-30
    • Charles E. BurleighWayne F. Larson
    • Charles E. BurleighWayne F. Larson
    • E05B37/00E05B37/16
    • E05B37/16E05B37/0003Y10T70/5788Y10T70/7215Y10T70/722Y10T70/7424
    • Various enhancements are provided to a pushbutton lock to enhance its security. One is the provision of button tips that are mounted on the ends of the button assemblies and spring-loaded to protrude from the face of the lock, regardless of whether the underlying button is "in" or "out." By this arrangement, a bystander cannot readily see the button combination by the pattern of depressed buttons. This arrangement also reduces tactile feedback between the underlying button assembly and the externally available button tips, increasing resistance to pick attacks. A further enhancement is the provision of button bars between adjacent pairs of button tips. Whenever any of the button tips is manually depressed, the corresponding button bar is pressed into engagement with, and prevents movement of, a member that must be moved in order to unlock the lock. This arrangement further increases lock security by preventing an attacker from experimentally pressing buttons and judging the tactile effect thereon in attempted unlockings of the lock.
    • 提供了对按钮锁的各种增强以增强其安全性。 一个是提供安装在按钮组件的端部上的按钮尖端,并且弹簧加载以从锁的表面突出,而不管下面的按钮是“进入”还是“外出”。 通过这种布置,旁观者不能通过按下按钮的图案容易地看到按钮组合。 这种布置还减少了底层按钮组件和外部可用的按钮尖端之间的触觉反馈,增加了对拾取攻击的抵抗力。 进一步的增强是在相邻的按钮尖端之间提供按钮杆。 无论何时手动按下任何按钮提示,相应的按钮条被压入与必须移动的构件的卡合,并阻止其移动以解锁锁定。 这种安排通过防止攻击者实验地按下按钮并在尝试解锁锁定时判断其触觉效果,进一步提高了锁的安全性。
    • 3. 发明授权
    • Pushbutton lock
    • 按钮锁
    • US06272889B1
    • 2001-08-14
    • US09689224
    • 2000-10-11
    • Charles E. BurleighWayne F. Larson
    • Charles E. BurleighWayne F. Larson
    • E05B3716
    • E05B37/16E05B37/0003Y10T70/5788Y10T70/7215Y10T70/722Y10T70/7424
    • Various enhancements are provided to a pushbutton lock to enhance its security. One is the provision of button tips that are mounted on the ends of the button assemblies and spring-loaded to protrude from the face of the lock, regardless of whether the underlying button is “in” or “out.” By this arrangement, a bystander cannot readily see the button combination by the pattern of depressed buttons. This arrangement also reduces tactile feedback between the underlying button assembly and the externally available button tips, increasing resistance to pick attacks. A further enhancement is the provision of button bars between adjacent pairs of button tips. Whenever any of the button tips is manually depressed, the corresponding button bar is pressed into engagement with, and prevents movement of, a member that must be moved in order to unlock the lock. This arrangement further increases lock security by preventing an attacker from experimentally pressing buttons and judging the tactile effect thereon in attempted unlockings of the lock.
    • 提供了对按钮锁的各种增强以增强其安全性。 一个是提供安装在按钮组件的端部上的按钮尖端,并且弹簧加载以从锁的表面突出,而不管下面的按钮是“进入”还是“外出”。 通过这种布置,旁观者不能通过按下按钮的图案容易地看到按钮组合。 这种布置还减少了底层按钮组件和外部可用的按钮尖端之间的触觉反馈,增加了对拾取攻击的抵抗力。 进一步的增强是在相邻的按钮尖端之间提供按钮杆。 无论何时手动按下任何按钮提示,相应的按钮条被压入与必须移动的构件的卡合,并阻止其移动以解锁锁定。 这种安排通过防止攻击者实验地按下按钮并在尝试解锁锁定时判断其触觉效果,进一步提高了锁的安全性。