| 摘要 |
A head support base for a thermal printer to provide for movement of a thermal head relative to a printer paper drive roll and control the location of the thermal head relative to the paper drive roll including first and second spaced support plates, the first spaced support plate is a lower plate and is provided with support a posterior fin, anterior fins 3, three anterior ledges, a posterior ledge, and four springs, one placed onto each ledge. The first support plate is centrally provided with an opening into which a hook is inserted for connection with its other end to an upper or second spaced support plate to carry the thermal head and place the springs in compression or expansion and to limit their movement while permitting relative mobility of the first or lower support plate relative to the spaced second or upper support plate and consequently of the thermal head connected with the second or upper support plate to permit movement of the thermal head in all directions relative to the paper drive roll.
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