Patents by Inventor Thomas J. Lagenfeld

Thomas J. Lagenfeld 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).

  • Differential lock mechanism
    Patent number: 7086984
    Abstract: A differential lock mechanism for use in a vehicle and having a cam mechanism that may be actuated by the vehicle user. The cam mechanism transfers rotational movement to linear movement along the axis of the vehicle axles to move an engagement mechanism into or out of engagement with an axle bevel gear. The engagement mechanism is also engaged to and rotates with a differential carrier, and thus when it is in the engaged position, it locks the vehicle axles to rotate with the differential carrier.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: August 8, 2006
    Assignee: Hydro-Gear Limited Partnership
    Inventor: Thomas J. Lagenfeld