| 摘要 |
PROBLEM TO BE SOLVED: To simplify the structure of a sewing machine frame compared with a case to increase rigidity of a whole of sewing machine frame and to suppress vibration without increasing its weight. SOLUTION: In a sewing machine frame, an upper frame 14 with high rigidity for attaching sewing machine heads 30 thereto and a lower frame 16 with high rigidity for attaching shuttle bases 32 thereto below the upper frame 14 are fixed each in bridged conditions on a pair of supports 12 erected at an interval in the lateral direction. COPYRIGHT: (C)2004,JPO&NCIPI
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