| 摘要 |
A portable computer has a sunken socket on an upper plane of the portable computer for accommodating a keyboard device. A front end and a rear end fixing mechanisms are installed at a front and rear end of the sunken socket respectively for fixing the keyboard device. The rear end fixing mechanism has an aperture. The keyboard device has a base plate, a front edge clamping mechanism installed at the front edge of the base plate for clamping with the front end fixing mechanism of the sunken socket to fix the front edge of the base plate, and a rear edge clamping mechanism installed at the rear edge of the base plate. The rear edge clamping mechanism has at least one fastening device. The fastening device has a track installed at the rear edge of the base plate, a sliding cap slidingly installed on the track along a front-and-rear direction, and a locking device for locking the sliding cap on the track to prevent the sliding cap from moving forward. Thus, a rear protrusion at the rear end of the sliding cap can be fixed in the aperture of the rear end fixing mechanism.
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