Patent ID: 8152393

Claim:
A printer device, comprising: a first module; and a second module; wherein the first module includes a first frame including a plurality of cutouts defined therein, a turning blade driving motor, a platen roller driving motor, a platen roller driven to rotate by the platen roller driving motor, and a fixed blade, said turning blade driving motor, said platen roller driving motor, said platen roller, and said fixed blade are provided on the first frame, and the second module includes a second frame having opposing arm portions, wherein each arm portion includes a slit corresponding to the cutouts, respectively, a lock shaft having two ends and being movable in a depth direction of the printer device within the slits, wherein the two ends of the lock shaft penetrate through the slits, respectively, project outside the arm portions and are selectively received by the corresponding cutouts, a printing head, and a turning blade, said printing head and said turning blade are provided on the second frame, when the first module and the second module are connected together, the printing head faces the platen roller, the turning blade faces the fixed blade, the lock shaft is received by the slits and cutouts, and rotation of the turning blade driving motor is transmitted to the turning blade, wherein the printer device comprises a first side along a width direction of the printer device and a second side along the width direction, and when the first module and the second module are connected together, the second module is connected to the first module at two locations on the first side and at two locations on the second side, the two locations on the first side being points of contact between the lock shaft and the cutouts.