Patents by Inventor Donald M. Millett

Donald M. Millett 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: 5117773
    Abstract: A lubrication device for a rotating hook in a sewing machine, having a hook shaft provided with a hollow interior axially thereof, an inlet and an outlet communicating with the hollow interior for prevention of oil pressure build-up therein as oil is supplied from an oil reservoir, a restriction between the inlet and the outlet for decreasing the diametrical extent of the hollow interior, and a closure for one end of the hollow interior provided with an oil supply channel communicating with the hollow interior, the oil supply channel having an axis positioned either eccentrically or concentrically of a longitudinal axis of the hook-shaft and an insert part to prevent the porous material from resting at the bottom of the interior of the hook-shaft, when the machine is stopped.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: June 2, 1992
    Assignee: The Reece Corporation
    Inventors: Reinhold G. Papajewski, Donald M. Millett