| 摘要 |
PROBLEM TO BE SOLVED: To satisfactorily carry out nex sewing after cutting off a looper. SOLUTION: A shuttle mechanism 50 for a sewing machine is provided with: a bobbin case 51 for housing a bobbin 56 of a looper D; an inner shuttle 52 which is turned reciprocatively around the bobbin case; a large shuttle 54 which holds the inner shuttle inside in a reciprocatively rotatable state; and a thread guide plate 60 arranged at the upper part of the large shuttle. The shuttle mechanism 50 is arranged under a thread cutting device within a sewing machine head part 21. The thread guide plate is provided with a bobbin thread holding part 67 for catching the bobbin thread cleared away by a moving knife 14 of a thread cutting device, and the bobbin thread holding part is positioned in the vicinity of the bobbin thread guide-out part of the bobbin case compared with a bobbin thread pass-through position P in the case of sewing to the thread guide plate. COPYRIGHT: (C)2007,JPO&INPIT
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