| 摘要 |
A thermal printer detachably connected to a portable type terminal equipment. The printer has a printer cover including upper and lower covers hinged together. A printer head is arranged in the body of the portable type terminal equipment, and a platen is arranged in the upper cover. The platen is usually held in the upper cover but can be released from it when undesirable force is applied to it. Therefore, a straight line connecting the platen shaft to the hinge shaft is generally parallel to the bottom surface of the portable type terminal equipment and the printer head is generally perpendicular to the straight line, so that a pressure applied by the printer head to the platen is reduced.
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