| 摘要 |
<p>PCT No. PCT/GB91/01683 Sec. 371 Date Mar. 25, 1993 Sec. 102(e) Date Mar. 25, 1993 PCT Filed Sep. 30, 1991 PCT Pub. No. WO92/06264 PCT Pub. Date Apr. 16, 1992.A magnetic key operated lock has code changing magnet pins 108a, 110a, 112a and 114 a 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> |
