Patent ID: 6980428

Claim:
A computer data reading apparatus comprising an outer frame and having a reading device installed to one slot of a computer so as to be connected to a joint of a reading unit for inputting data from or outputting data to a computer, the reading device comprising: a stand installed at one slot of a computer, a front end of the stand having a control panel; a casing positioned across an upper side of the stand, each of front lower sides of the casing having a hook portion, an outer side of the casing having a positioning groove for receiving a push rod; a supporting plate being locked to a rear side of the casing so as to form with a cartridge for receiving and sliding a sliding block, one side of the supporting plate being installed with an input/output port which is coupled to a joint of the reading unit, a bottom of the supporting plate being secured with an oil pressure gear; a sliding block being installed in the cartridge formed by the supporting plate and the casing, a front end of the sliding block having a stopper and a via hole, a bottom of the sliding block having a teethed groove at position corresponding to the oil pressure gear of the supporting plate, a lower rear side of the sliding block being extended downwards with an car, an elastic element being suspended between the hook portion of the casing and the ear; a cover, an inner surface of the cover being pivotally installed with a swingable arm so that the cover exactly covers the casing and thus one end of the swingable arm being positioned to a rear side of the push rod, and another thereof rests against a rear side of the stopper, when the push rod is pushed, the swingable arm ejects the stopper, a pulling force of the elastic element and damping of the oil pressure gear allow the reading unit to be transferred smoothly.