Patent ID: 7926434
Filing Date: 2011-04-19
Classification: D05B

Abstract:
1. A thread cutting device of a sewing machine, the thread cutting device operable to cut a thread below a throat plate through which a needle is inserted, the thread cutting device comprising: a first thread catcher operable to catch the thread; a second thread catcher operable to catch the thread that is caught by the first thread catcher; a fixed blade operable to cut the thread that is caught by the second thread catcher; a driving portion which drives the first thread catcher and the second thread catcher such that the second thread catcher catches the thread that is caught by the first thread catcher and guides the thread toward the fixed blade; an attaching member with respect to which the fixed blade is fixed and into which the second thread catcher is slidably inserted from above over the fixed blade; and a cover which covers the second thread catcher from above so as to restrict an upward movement of the second thread catcher.