Patents by Inventor Steven Robert Yetzke

Steven Robert Yetzke 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).

  • Clutch pressure plate for multiple spring systems
    Patent number: 7559417
    Abstract: A multi-spring system pressure plate member is provided for a spring biased clutch. The pressure plate member has a spring side and an opposed clutch side. The spring side of the pressure plate member includes spring confinement members for at least two clutch spring systems. The spring confinement members serve to hold spring members on said spring side in operative association with said pressure plate member. The spring confining members are provided to confine at least a diaphragm spring element and a compression coil spring element. The pressure plate member is configured to accept without modification either a diaphragm spring element or a set of compression coil spring elements. The clutch can be converted from one spring system to another by simply changing the spring elements.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: July 14, 2009
    Inventor: Steven Robert Yetzke