Patents Assigned to Quick-Rotan Electromotoren GmbH
  • Patent number: 4602577
    Abstract: A drive and control device for sewing machines, automatic sewing installations, and the like, with a recognition unit which responds for the purpose of end recognition when the sewing tools have approached a predetermined spacing from the desired seam end. The drive and control device also includes a preselection stitch counting unit, which can be triggered by means of the recognition unit, for the presetting of a predetermined number of remaining stitches still to be executed subsequently to the end recognition, and a correction unit for the performance of a stitch correction in dependence on the respective needle position at the instant of end recognition. The correction unit serves for automatically varying the length of at least one of the remaining stitches.
    Type: Grant
    Filed: July 26, 1983
    Date of Patent: July 29, 1986
    Assignee: Quick-Rotan Electromotoren GmbH
    Inventors: Peter Kothe, Wolfgang Angersbach, Dan-Corneliu Raducanu, Peter Schuler, Michaeal Luft