Non-screwed fastening device

A non-screwed fastening device, comprising:

• a retaining ring, cylindrical in shape, having a first annular edge, an inner ring flange and a second annular edge, wherein said first annular edge includes a plurality of slits dividing said retaining ring into a plurality of resilient portions to make said retaining ring resilient, and at least a groove coupled to one of said slits is located in an inner surface of said retaining ring along an axial line thereof, said inner ring flange being disposed in a surface region of said retaining ring for buckling, said second annular edge having a recess region;
• and
• a shaft lever, being a column coupled to said retaining ring, having a first circular flute, a second circular flute, a first end portion and a second end portion, wherein said first circular flute located in a region of said shaft lever near said first end portion is buckled to said inner ring flange and said second circular flute located in a region of said shaft lever near said second end portion is selectively buckled to said inner ring flange, a side region of said shaft lever having at least a lug to be placed into said retaining ring along said groove by turning said shaft lever so that said lug is locked to said recess region.

A non-screwed fastening device, applied in a computer system for loading and unloading at least a peripheral device from a frame case, comprising:

• a retaining ring, cylindrical in shape, having a first annular edge, an inner ring flange and a second annular edge, wherein said first annular edge includes a plurality of slits dividing said retaining ring into a plurality of resilient portions to retain resilience in said retaining ring and at least a groove coupled to one of said slits is located in the inner surface of said retaining ring along a axial line thereof, said inner ring flange being disposed in a surface region of said retaining ring for buckling;
• and
• a shaft lever, being a column coupled to said retaining ring, having a first circular flute, a second circular flute, a first end portion and a second end portion, wherein said first circular flute located in a region of said shaft lever near said first end portion is buckled to said inner ring flange and said second circular flute located in a region of said shaft lever near said second end portion is selectively buckled to said inner ring flange.

13 The method of claim 12, wherein said peripheral device is used in a personal computer (PC) or a computer server.

The method of claim 13, wherein said peripheral device is selected the group consisting of a floppy disk drive (FDD), a compact disc read only memory (CD-ROM), a digital versatile disc (DVD) and a hard disk drive (HDD).