| 摘要 |
A protective cover (9) used for a thermal printing head having a radiating plate (1) in which a plurality of fixing holes (10) are formed, a head base plate (2) and a circuit board (3), the radiating plate (1) being provided with a groove (1a), by which an upper surface of the radiating plate (1) is divided into first and second regions (1b, 1c), the head base plate (2) being mounted with a heating resistor (4) and a driving IC (5) covered with a resin coat layer (6), the circuit board (3) being provided wi th through holes (11), the protective cover (9) being further provided with a body (9a) having an upper surface and a lower surface opposite to the upper surface, and a plurality of pin members (12) extending from the lower surface, each of the pin members (12) being provided with a slit (12a), whereby each pin member (12) can be press-fitted easily in one corresponding fixing hole (10) out of the above fixing holes (10).</S DOAB>
|
