Patent ID: 7559550

Claim:
A paper-discharging apparatus used with an image-forming device, the paper-discharging apparatus provided with paper-discharging rollers and idle rollers disposed in a paper-discharging port side of the image forming device, in which a sheet of paper is discharged through the paper-discharging rollers and the idle rollers, the paper-discharging apparatus comprising: a supporting plate coupled at opposite ends thereof to a body of the image-forming device and installed at the paper-discharging port side of the image-forming device; a supporting bracket coupled at a middle portion thereof to the supporting plate to rotatably support the idle rollers facing the paper-discharging rollers; and a spacing adjustment unit disposed between the idle rollers to constantly maintain a contact pressure between the paper-discharging rollers and the idle rollers, wherein the spacing adjustment unit comprises: an elastic member provided between the supporting plate and the supporting bracket so that opposite ends thereof abut with the supporting bracket and the supporting plate, respectively; and a guide unit to suppress transverse and bending movements of the elastic member, wherein the guide unit comprises: at least one clamping boss protruding from one of the supporting plate and the supporting bracket such that the clamping boss is located between the supporting plate and the supporting bracket when the supporting plate and the supporting bracket are assembled; and a hole formed on the other one of the support plate and the support bracket, and the supporting plate and the supporting bracket are connected with each other by a clamping screw inserted into the hole to be engaged with the clamping boss.