| 摘要 |
A latch mechanism for securing a cover to a case includes a board secured to the case and having a projection. A disc is secured to the cover and has a tapered bore. A cap is fixed to the disc and has a ring extended away from the disc. A chuck is slidably engaged in the ring and has a number of blades for engaging with the tapered bore. A spring may bias the blades to engage with the tapered bore. The blades may move radially inward to hold the projection when the chuck is biased toward the tapered bore and the blades may be disengaged from the projection when the chuck is moved away from the tapered bore.
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