| 摘要 |
<p>A wiper device for a sewing machine includes a thread trimmer to trim a needle thread, a wiper member (13) to wipe the thread so as to pull out the needle thread extending from an eye of a sewing needle (5) after trimming the needle thread by the thread trimmer to the upper surface of work cloth and a wiper driving unit (15) to actuate a thread wiping operation of the wiper member (13), and a switch unit (16) to switch the wiper member (13) between an operable state and inoperable state in conjunction with a position of a needle bar(8).
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