Patent ID: 6568337
Filing Date: 2003-05-27
Classification: D05B

Abstract:
Sewing or embroidery machine comprising an embroidery module (33) with an embroidery frame drive unit (36) for driving differently sized interchangeable embroidery frames (37) in X and Y directions, an embroidery frame support (39) on the embroidery frame drive unit (36) for releasable connection of the embroidery frame (37) to the drive unit (36), and an embroidery frame (37) with an embroidery frame holding and locking device (39) for the production of a play-free connection between the drive unit (36) and the embroidery frame (37), impulse-triggering means (43) located on the embroidery frame (37) and impulse-generating control means (45) relocated on the drive unit (36) for identifying the docked embroidery frame (37), wherein on the embroidery frame (37) a reference element (44) is allocated to each impulse triggering means (43) and can be identified and read by a stationary sensor (45) connected to the drive unit (35) as a control means, and which compares an actual reference location sensed by the sensor (45) on the reference element (44) with a desired position of the embroidery frame (37) relative to the holding device (39).