Patents by Inventor George I. Mandel

George I. Mandel 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: 4049253
    Abstract: A toe clamp for a milling machine which comprises a T-nut slidable along an inverted T-shaped groove in the table top. A clamping screw is received in an inclined threaded bore in the T-nut for securing the nut in the groove. A work engaging member has a bore for receiving a shoulder bolt and the T-nut has a second threaded bore inclined at the same angle as the first threaded bore and receiving the threaded portion of the shoulder bolt. The work engaging member has a grooved edge for engaging with the edge of the work piece and the inclined shoulder bolt when tightened will force this grooved edge against the workpiece edge in an inwardly and downwardly direction for gripping it. The inclined clamping screw is received in a slot in the work engaging member to prevent it from rotating about the shoulder bolt.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: September 20, 1977
    Inventor: George I. Mandel