Patents by Inventor E. Clark Roberts

E. Clark Roberts 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).

  • Sewing machine cabinet with manual lift
    Patent number: 5240315
    Abstract: A sewing machine cabinet for mounting a sewing machine and for housing and storing the machine when not being worked, which provides a drop platform interiorly of the cabinet below the top working surface thereof for lowering the machine into the interior of the cabinet maintaining the sewing machine in an upright position not tilting. The cabinet is well adapted to open-arm sewing machines. A hinged top cover when opened lifts the sewing machine up out of the interior of the cabinet by leverage action on a pivoting link attached to a guided sliding support arm which is attached to drop platform which supports the sewing machine and is guided by a rack. The rack is provided by one or a pair of guide columns. The hinged top cover when opened 180.degree. acts as a brake and lock for the moving drop shelf.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: August 31, 1993
    Assignee: Roberts Mfg., Inc.
    Inventors: Fredrick D. Roberts, E. Clark Roberts, Merrill K. Roberts