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    • 2. 发明公开
    • Security barrier structure
    • Sicherheitssperrenaufbau。
    • EP0067616A2
    • 1982-12-22
    • EP82302830.3
    • 1982-06-02
    • Chubb & Son's Lock and Safe Company Limited
    • Sands, Raymond Leonard
    • E05G1/024
    • E05G1/024
    • A barrier structure for the walls and/or doors of a safe or other security enclosure comprises a corrugated planar element (2) of copper or other tough and heat-resistant metal disposed in intimate relation within a matrix (3) eg of cast aluminium or concrete containing elements (4) of very hard and refractory material. The corrugations in the element (2) are formed so as to ensure that a cutting tool of selected diameter which is applied to that element (2) will inevitably encounter some of the hard material (4) behind that element (2) so that the tool is blunted before the element (2) can be completely penetrated.
    • 用于安全或其他安全壳体的壁和/或门的阻挡结构包括铜或其它坚韧和耐热金属的波纹状平面元件(2),所述铜或其它韧性和耐热金属以矩阵(3)内的紧密关系设置,例如铸铝或 含有非常坚硬耐火材料的元素(4)的混凝土。 元件(2)中的波纹形成为确保施加到该元件(2)上的所选直径的切削刀具将不可避免地遇到该元件(2)后面的一些硬质材料(4),使得 在元件(2)可以完全穿透之前,刀具钝化。
    • 5. 发明公开
    • Locking mechanisms
    • 锁定机构
    • EP0125813A3
    • 1985-06-26
    • EP84302672
    • 1984-04-19
    • Chubb & Son's Lock and Safe Company Limited
    • Franklin, Roy WalterLuckett, Nicholas George
    • E05B47/00E05B47/06
    • E05B47/0607E05B47/0002E05B47/0005E05B49/00E05B2047/0007G07C9/00674Y10T70/7006Y10T74/20238Y10T292/1021
    • The relase mechanism of an electronic timelock employs two bistable electromagnetic actuators 1 and 2 to control the "on-guard" and "off-guard" conditions of the lock, each actuator comprising an element 4 of ferro-magnetic material whose magnetic polarity serves as the "memory" of whether the lock is in an on- or off-guard period and which polarity is reversed by single magnetising pulses through the associated coils 3 when each successive on-and off-guard period is programmed to commence. More particularly, when on-guard the coils 3 are pulsed in one direction to magnetise the elements 4 so that they are attracted by poles P1 of the field magnets 5. In this condition they block a beam 10 which is pinned at 11 to a bolt 8 which in turn blocks a bar 6 which is attached to the door's boltwork. When off-guard the coils 3 are pulsed in the opposite direction to reverse the magnetisation of elements 4 so that they are attracted by poles P2 of the magnets 5. This enables the beam 10 to be lifted with the bolt 8 as a spring snib 12 on the bolt rides up a notch 19 in the bar 6 when the latter is retracted. If the bar6 isforced when the mechanism is locked the snib 19 is turned until a face 20 on the bar is blocked by the bolt 8, thus limiting the upward force which can be applied through the beam 10 to the elements 4. If one actuator should for any reason fail in the on-guard position the lock can still be released when the other actuator switches to the off-guard position, by pivotal movement of the beam 10.