| 摘要 |
A head mechanism of a thermal printer includes a platen roller rotatably supported by a housing, and a thermal head arranged at a front end of a head bearing member the front end of which is adapted to be rotatable about a rear end supported by the housing, and arranged to face the platen roller, and is constructed such that, during recording, a sheet provided for recording is sandwiched between the platen roller and the thermal head, and an electric current is selectively applied to heat-generating elements arranged in the thermal head, thereby obtaining desired recording. The thermal head and the platen roller are arranged to form a gap with a dimension smaller than the thickness of the sheet provided for recording during non-recording.
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