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head of press matrix points of advanced type
head of press matrix points of advanced type
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机译:先进的新闻媒体头矩阵点
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摘要
A dot matrix print head of improved type is described the principal characteristic of which lies in the fact that the casing (2) containing the electromagnets (5) actuating the needles (4) is clamped between the needle support body (3) and a cover (10) carrying on its interior the striker elements (6) which, when attracted by the electromagnets, displace the needles; the casing (2) is formed by an extruded metal tube body (34) and by an element (36) of plastics material between which are inserted, in appropriate grooves, stacks of U-shape laminations carrying at one end respective electrical windings (43) constituting the electromagnets.
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