| 摘要 |
<p>A magnetic key operated lock has code changing magnet pins (108a, 110a, 112a and 114a) mounted in rotatable carriers (104 and 106) in a slide member (6). Spurious rotation of the carriers is prevented by a spring biassed bar (400) which is only released by keys, coded as code changing keys, when they are fully inserted and pressed against an end (403) of the bar (400) and by carriers (104) and (106) held against rotational movement by one or more of the above pins entering blind bores; the pins also acted upon by such keys in the slide member (6) when they are fully inserted.</p> |
