Patents by Inventor Gunter Mall

Gunter Mall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4996931
    Abstract: A sewing unit including a sewing machine and a transport device is provided in which the transport device is arranged so as to form a free access area at a front side of a sewing machine of the sewing unit such that a workpiece positioning may be executed without any impediment by the transport device. The transport device is connected at one end to a workpiece holder and is connected at another end to a bearing device which is set back from a front edge of the sewing unit. The transport device is moved along a path defined by a guide device and is moved by a driving device. Each of the guide device, drive device and bearing device being positioned away from a front end of the unit to define the free access area.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: March 5, 1991
    Assignee: Pfaff Industriemaschinen GmbH
    Inventor: Gunter Mall
  • Patent number: 4768773
    Abstract: A system for the stacking and storing of workpieces particularly from a sewing machine comprises a movable carrier with two receiving compartments for the workpieces to be stacked, two storage channels spaced from each other by the width of a receiving compartment, and two push units. The carrier is so controlled by a pneumatic cylinder that one of the receiving compartments stands in stack forming position below a work transfer device and the other is aligned with one of the storage channels.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: September 6, 1988
    Assignee: Pfaff Industriemaschinen GmbH
    Inventors: Gunter Mall, Karl-Ludwig Manuel