Patent ID: 7259776

Claim:
A tachograph comprising: a cubic housing; a printing device having a thermal print head, a feed roller driven by a drive mechanism and a carrier movable out of the housing and adapted to reload a ribbon which forms a stock of printing material; means for locking and unlocking the carrier in a closed position in the housing of the tachograph; at least one latch element subjected to an action of a tension spring, wherein the latch element is mounted rotatably on the carrier; a snap-in hook of the latch element associated with a snap-in member in a fixed position; an actuating arm formed with the latch element; a pushbutton configured to be in operative connection with the actuating arm and mounted displaceably on the carrier; and a fixed stop associated with the actuating arm and configured to disengage the latch element from the snap-in member when the pushbutton is actuated, and to displace the carrier in a direction of an insertion position when the actuating arm is supported on the stop.