Patent ID: 7874752

Claim:
A printer comprising: a printing device; a printing medium to be printed by the printing device; a feeding device that feeds the printing medium forward and backward; a housing that covers the printing device and the feeding device and that is provided with a first engagement portion and a third engagement portion; a first paper projection port provided in the housing, through which the printing medium is temporarily projected outside the housing; a first cover arranged to swing about the first engagement portion by pressure of a front end of the printing medium when projected through the first paper projection port in the forward feeding motion by the feeding device to cover the projected printing medium; a second paper projection port provided in the housing, through which the printing medium is temporarily projected outside the housing; and a second cover arranged to swing about the third engagement portion by the pressure of the rear end of the printing medium when projected through the second paper projection port in the backward feeding motion by the feeding device to cover the projected printing medium; wherein a chamfered depression is provided in a free end of the second cover to support the rear end of the printing medium when the second cover swings about the third engagement portion by the pressure of the printing medium to cover the printing medium.