| 摘要 |
PURPOSE: A head coupling device of printer for cash register is provided to prevent of flowing and falling and obtain high quality printing state. CONSTITUTION: The head coupling device of printer for cash register comprises a printer head, a main frame, a groove of holder insertion, a spring holder, and a head spring. In the head coupling device of printer for cash register, the print head is installed inside of the main frame. The groove of holder insertion is formed internal side of the main frame. The spring holder is inserted and fixed internal side of the groove of holder insertion. A joining groove of spring in the spring holder is connected to the connection bar. The head spring is inserted and fixed to the connection bar. One side of the head spring is fixed on rear side of the printer head.
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