Patents by Inventor Lawrence P. Hyland

Lawrence P. Hyland 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).

  • Apparatus for moving individual sheets from a stack of sheets
    Patent number: 4971515
    Abstract: A measuring device (60) measures the value (t) of a chosen parameter (thickness) of what has been lifted by a lifting assembly (40) from a stack of sheets (1) of material and allows the lifted material to be moved from the stack when the value is in a predetermined relationship to a reference value (T). One (45a) of a plurality of selectively releasable members (45) on the lifting assembly (40) is moveable in two horizontal directions to locate a sheet attached to the one releaseable member (45a) against locating pins (5, 6) on the work table (3) of the punch press (4). The entire system may be operated automatically by a controller (90).
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: November 20, 1990
    Assignee: Roberts Corporation
    Inventors: Kenneth J. Pol, James F. Foster, Jack D. Gyger, Lawrence P. Hyland
  • Method and apparatus for moving individual sheets from a stack of sheets
    Patent number: 4804173
    Abstract: A measuring device (60) measures the value (t) of a chosen parameter (thickness) of what has been lifted by a lifting assembly (40) from a stack of sheets (1) of material and allows the lifted material to be moved from the stack when the value is in a predetermined relationship to a reference value (T). One (45a) of a plurality of selectively releasable members (45) on the lifting assembly (40) is moveable in two horizontal directions to locate a sheet attached to the one releaseable members (45a) against locating pins (5, 6) on the work table (3) of the punch press (4). The entire system may be operated automatically by a controller (90).
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: February 14, 1989
    Assignee: Roberts Corporation
    Inventors: Kenneth J. Pol, James F. Foster, Jack D. Gyger, Lawrence P. Hyland