| 摘要 |
Self-codifying lock of the type comprising a plurality of tumblers in a tumbler pack which, on use of a key, are orientated so that a boss or finger on the bolt of the lock achieves passage in registered slots in the tumblers. A knife member constitutes a pivotal point by engaging in one of a plurality of the notches in the rear edge of each of the tumblers. The knife member consists of a flat plate or disc moved linearly by means of an operating member, whereby the knife member is guided in guides in a frame of the lock.
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