Patents by Inventor Robert Paul Day

Robert Paul Day 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).

  • Power transmission device having electromagnetic clutch
    Patent number: 6378677
    Abstract: An electromagnetic clutch having a solenoid coil (80), a coil housing (81) disposed surrounding the solenoid coil (80), an armature plate (82) disposed facing the side of the coil housing, and a wet-type multi-plate clutch mechanism, the armature plate being linked to the clutch housing (52). The current flowing to the solenoid coil (80) is controlled so as to control the clamping of the armature plate (82) to the coil housing (81), and the clamping force acting on the armature plate is used made to act on the clutch mechanism via a ball cam mechanism (65).
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: April 30, 2002
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Koji Kuroda, Robert Paul Day, Kazuhiro Nakano, Tetsuro Hamada, Yosikazu Konishi, Hideaki Fukui