| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bobbin capable of being housed in a bobbin case in a proper direction, and a sewing machine provided with a bobbin case in which the bobbin is detachably housed. <P>SOLUTION: A bobbin 23 has a bobbin spindle 51, and a pair of flange parts 52 and 53 provided at both end parts in the axial direction of the bobbin spindle 51, and is detachably housed into a bobbin case of a sewing machine. The bobbin spindle 51 is like a cylinder the both end parts in its axial direction of which are open. A protruded part 56 which allows attachment of the bobbin 23 only from one side of the bobbin case is provided at any one open part side of one open part 51a side of the bobbin spindle 51 of the bobbin 23 and the other open part 51b side. <P>COPYRIGHT: (C)2012,JPO&INPIT |
