Patents by Inventor Roderick N. Uphaus

Roderick N. Uphaus 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).

  • Cone ramp clutch
    Patent number: 5411122
    Abstract: A cone-type clutch is provided having a cone-shaped housing coupled to a drive shaft for engaging a cone-shaped friction cone coupled to a driven shaft to establish a driving connection between the shafts. The clutch is activated by rotating two actuating levers relative to each other to engage opposing ramp surfaces and separate the actuating levers axially in order to force contact between the cone-shaped housing and friction cone.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: May 2, 1995
    Assignee: Hoffco, Inc.
    Inventor: Roderick N. Uphaus