Patent ID: 6694901
Filing Date: 2004-02-24
Classification: D05B,D05D

Abstract:
A buttonhole sewing machine, comprisinga needle (7) which is drivable in up and down reciprocation; an x-y table (8), which is displaceable by an x drive (9) in an x direction and by a y drive (10) in a y direction, and which supports at least a work piece clamp (12a, 12b); and a buttonhole sewing device (16), which is substantially disposed downstream of the needle (7) in the y direction, which comprises a cutter (17) with a knife (26, 26â€²), which comprises a cutting block unit of several cutting blocks (42, 43), one of which at a time being movable into a position of cooperation with the knife (26, 26â€²), and which is provided with a cutting drive (19, 19â€²); wherein an anvil (18) which supports at least two cutting blocks (42, 43) that are adjustable in the x direction is stationarily joined to the sewing machine; and wherein the knife (26, 26â€²) is movable from above against the anvil (18).