Importance

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Abstract

The invention concerns a sewing machine for a large-surface, frame-clamped material. Sewing machines for large-surface materials 39 clamped in a frame 38, 50 are known, wherein the material 39 is held in place in stationary manner in a sewing-machine structure 1, the sewing head together with the gripper box being displaceable longitudinally and transversely and frame-exchanging equipment being provided. In order to create a sewing machine with a much simplified design for the frame-exchanging equipment, the invention proposes that the frame-exchanging equipment be mounted in the vicinity of the sewing-machine structure 1 and comprise a conveyor of such design that following sewing, the frame 38 with the processed material 39 be forced out of the sewing-machine structure 1 and simultaneously the frame 50 with the material to be processed be pulled-in and be moved into the sewing position, and in that the two frames 38, 50 be moved overlapping one with the other during the exchange.

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First Claim