| 摘要 |
A mouse including a top cover which has press keys for signal input into the computer, a coupling device at the bottom, a downward rod with a center axle hole, and a plurality of locating posts; a circuit board which has an operation circuit and an IC, a plurality of switches corresponding to the press keys of the top cover shell, and a plurality of locating holes respectively connected to the locating posts of the top cover shell by a respective screw; a case-like intermediate shell which has an opening through which the downward rod of the top cover shell pass, a plurality of hook holes near the rear side, and a plurality of screw holes respectively fixed to the coupling device of the top cover shell by screws; and a bottom shell fitting over the intermediate shell at the bottom which has an upright index rod inserted through the opening of the intermediate shell and fitted into the center axle hole of the downward rod of the top cover shell and having a cable connected to the IC of the circuit board, and a plurality of upright hooks respectively hooked in the hook holes of the intermediate shell.
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