| 摘要 |
A useful device, such as a cutting implement, is provided for suspending from a key ring or the like. For example, the cutting implement comprises an elongated blade having a cutting edge along at least one edge. The blade is further comprised of a substantially cylindrical first mounting sleeve through one end of the blade. An elongated sheath is provided which has an enclosure along a portion of the length of the sheath. The enclosure is open along its length. The enclosure engages the blade and contains the cutting edge of the blade when the implement is in the closed position. The sheath further has a substantially cylindrical second mounting sleeve through one end of the sheath. One of the sleeves is removably nested within the other sleeve to provide a securing device for detachably and pivotally connecting the blade and sheath. This type securing device may also be utilized on other useful devices, for securing such devices to a key ring or the like.
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