Patent ID: 7495684

Claim:
A printer comprising: a casing; a movable member arranged on a bottom wall of said casing for restricting a transportation path of printing sheets; and a coil spring having a conical form and located between said casing and said movable member for biasing said movable member away from said bottom wall, wherein said casing is provided at said bottom wall with a projected portion having an annular form, projected toward said coil spring and located at a position opposed to one end of said spring having a larger width, said one end of said coil spring is arranged radially inside said projected portion to fix the position of said coil spring with respect to said casing, said movable member is provided at a position opposed to the other end of said coil spring remote from said one end with a fixing portion for fixing said other end of said coil spring, said fixing portion formed at said movable member is a convex portion projected toward said coil spring, and having a circular form extending along a form of an inner periphery of said other end of said coil spring, said movable member is connected to said coil spring with said convex portion inserted into said coil spring, and said convex portion is positioned inside said projected portion when said coil spring is compressed such that said convex portion does not overlap with said projected portion.