| 摘要 |
In a preferred embodiment, a lock system (500) including a lock (502) and a key (504), including: a lock housing (510); a rotatable member (540) disposed in the housing (510), rotation of which rotatable member (540) selectively effects locking and unlocking of the lock (502); blocking apparatus (512, 522) operatively connected to the rotatable member (540) to prevent unlocking of the lock (502) except upon receipt of an electrical unlocking signal; key apparatus (504) having an end (566) insertable in the housing (510) and into an end of the rotatable member (540) for rotation of the rotatable member (540); and apparatus (700, 702) to permit a portion (650, 652, 654, 656, 620) of the rotatable member (540) to rotate without damage to any elements of the lock (502) if rotation of the rotatable member (540) is attempted without receipt of the electrical unlocking signal.
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