Patents by Inventor John M. McClellan

John M. McClellan 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).

  • In-line engine cranking motor drive having reduction gear set
    Patent number: 4412457
    Abstract: A compact in-line cranking motor drive having a planetary reduction gear set. The cranking motor has a hollow armature shaft for driving the sun gear of the gear set and the planet carrier of the gear set is connected to drive a central shaft, which is disposed within the hollow armature shaft and supported at both ends by the drive housing. A one-way overrunning clutch shiftably disposed on the central shaft drives a pinion gear and is adapted to be shifted axially on the central shaft for selectively engaging the pinion gear with the flywheel of an engine to be cranked.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: November 1, 1983
    Assignee: General Motors Corporation
    Inventors: Jack A. Colvin, John M. McClellan