Patents by Inventor Gerhard Lederer

Gerhard Lederer 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: 3995524
    Abstract: An automatic loading apparatus for double-spindle face lathes having four machining slides, and having a workpiece feed chute for the blank parts and a workpiece discharge chute for the finished parts, wherein a magazine device bracket is rigidly attached, to a lathe having a substantially vertical guideway, by a loading carriage slidable on said guideway and by a loading spider which is mounted on the loading carriage with sliding mobility in the direction of its median axis and with 90.degree. pivoting mobility about said axis. The device also exhibits workpiece grippers on each of its four arms, while depending upon the pivotal position of the loading spider, the one or the other pair of mutually opposite workpiece grippers are aligned with the spindles when the loading carriage is transported downwards, and are aligned with a removal aperture of the workpiece feed chute and with a surrender aperture of the workpiece discharge chute when the loading carriage is transported upwards.
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: December 7, 1976
    Assignee: J. G. Weisser Sohne
    Inventor: Gerhard Lederer