Hayfork Type Patents (Class 294/98)
  • Patent number: 4805949
    Abstract: Improved material handling device for selective pick up, holding, and release of material is disclosed. The device includes arcuate talons mounted to a first shaft capable of pivotal movement about an offset centerline and by means of talons mounted to a second shaft exhibiting pivotal movement about an offset centerline. The talons, which move in arcuate paths, pierce a plane parallel to a plane defined by the offset centerlines substantially at right angles. The talons diverge after penetrating the pierceable material.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: February 21, 1989
    Assignee: Prab Robots, Inc.
    Inventor: Kevin Conway