Patents by Inventor Robert R. Crockett

Robert R. Crockett 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: 4005782
    Abstract: A picker for removing articles from a remote location, including an open frame carrier secured to a molding machine for linear movement along support rods in a direction perpendicular to the direction of movement of one of the mold platens, i.e., a Y-axis direction, under control of a first fluid cylinder. The carrier, in turn, mounts a carriage for linear movement in a direction normal thereto, i.e. an X-axis direction, under the control of a second fluid cylinder. The carriage includes a third fluid cylinder for controlling linear movement in a third direction perpendicular to the first and second directions, i.e. a Z-axis direction. Depending from the carriage is a gripping unit coupled to the third cylinder, the gripping unit including a picker arm under control of a fourth fluid cylinder for movement in the X-axis direction and which picker arm terminates at its inner end in a pair of jaws or fingers, the opening and closing of which are under control of a fifth cylinder.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: February 1, 1977
    Assignee: Engineered Metal Products Company, Inc.
    Inventor: Robert R. Crockett