Patent ID: 8794168

Claim:
A supply device for a sewing machine, particularly a multiple-needle sewing machine, with at least one sewing unit, for sewing material layers of a large-scale sewing product such as mattress panels comprising several sewing material layers, particularly at least three, preferably having one sewing material layer of elastic material, for example foamed material, and one sewing material layer intended as a top layer, which layers are to be stitched together using the sewing machine, said supply device comprising: at least two material rolls; at least one roll receiver capable of receiving the material rolls; a holder being arranged at the roll receiver, wherein each material roll is rotatably supported in a holder of the roll receiver; means for removing the material layers from the material rolls arranged in the roll receiver, and for feeding the material layers to the sewing unit; and wherein the sewing material layers can be alternatively fed to the sewing unit from the roll receiver and wherein the sewing material layers are immediately available from the material rolls in the roll receiver and can be alternatively supplied to the sewing unit without requiring an exchange of material rolls.