Buttonhole frame
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United States of America Patent
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-
Aug 26, 2003
Grant Date -
Jul 18, 2002
app pub date -
Jan 15, 2002
filing date -
Jan 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A holder for material to be sewn in the form of a buttonhole frame has a frame plate (18) and a movable clamping element (24) with passages (20, 30). The holder (10) for material to be sewn can be fixed in place on a displacement mechanism of a sewing machine, and the material to be sewn can be clamped between the frame plate (18) and the clamping element (24) with the aid of a pressure element (34). To make possible space-saving and assured clamping, a wedge surface (38) is provided which, in the course of the movement of the pressing element (34) into the position in which the material to be sewn is clamped, builds up a pressing force in the clamping element (24) against the frame plate.
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