Patents by Inventor Robert L. Rohrer

Robert L. Rohrer 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).

  • Slide fastener guide assembly
    Patent number: 4384539
    Abstract: A slide fastener guide assembly is disclosed for aligning a workpiece, a slide fastener and a strip of backing material as they are fed into a sewing machine. The assembly includes a base with an attached guide member having fingers that bear against the mounting tapes and align the slide fastener by laterally engaging the coupling elements. To allow a slidered fastener to pass through the assembly, the guide member is sufficiently flexible that the fingers may be displaced upward by a slider passing thereunder.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: May 24, 1983
    Assignee: Talon, Inc.
    Inventors: George J. Scagnelli, Robert L. Rohrer
  • Apparatus for sewing slide fastener chain to article panels
    Patent number: 4274347
    Abstract: An apparatus for sewing a slide fastener chain to a pair of article panels separates the chain into separate stringers which are sewn to the article panels with the fastening elements facing outward. The slide fastener stringers are twisted and the inner edges of the attached article panels are folded and the stringers are reinterlocked by a turning and pull-up device through which the slide fastener stringers with attached article panels are pulled by a pulling mechanism.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: June 23, 1981
    Assignee: Textron, Inc.
    Inventor: Robert L. Rohrer