Patent ID: 6493215
Filing Date: 2002-12-10
Classification: G06F,H01H

Abstract:
A keyboard device fixed on a portable computer, the portable computer comprising a sunken socket on an upper plane of the portable computer for accommodating the keyboard device, a front end and a rear end fixing mechanisms installed at a front and rear end of the sunken socket respectively for fixing the keyboard device, the rear end fixing mechanism comprising a first coupling, the keyboard device comprising:a base plate having front and rear edges and a top side; a plurality of key caps depressibly installed on the top side of the base plate; a front edge clamping mechanism installed at the front edge of the base plate for clamping with the front end fixing mechanism at the front end of the sunken socket to fix the front edge of the base plate to the front end of the sunken socket; a rear edge clamping mechanism installed at the rear edge of the base plate which comprises at least one fastening device, the fastening device comprising: 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 comprising a second coupling at its rear end; and a locking device for locking the sliding cap on the track to prevent the sliding cap from moving forward; wherein when the front edge of the base plate is fixed to the front end fixing mechanism at the front end of the sunken socket, the rear edge of the base plate can be moved to the rear end of the sunken socket, and the sliding cap can be slid backwards and the second coupling at its rear end can couple with the first coupling of the rear end fixing mechanism at the rear end of the sunken socket and then the locking device locks the sliding cap to fix the second coupling at the rear end of the sliding cap to the first coupling of the rear end fixing mechanism at the rear end of the sunken socket.