While is judged in pura device null

摘要

PROBLEM TO BE SOLVED: To provide a curve sewing machine which can smoothly and surely pull out a curved strap along the curve of the curved strap.;SOLUTION: A driving puller 6 is installed under a tilt so that the external end 6b side in the axial direction of the driving puller 6 which pulls out the external circular arc edge side of the curved strap may be leaned to the rear side more than the internal end 6a side in the axial direction of the driving puller 6 which pulls out the internal circular arc edge side of the curved strap.;COPYRIGHT: (C)2007,JPO&INPIT