Patents by Inventor Gary D. Grabaum

Gary D. Grabaum 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).

  • Publication number: 20130239710
    Abstract: A fixed joint test fixture is disclosed that may be selectively assembled and disassembled. The fixed joint test fixture includes a fixed joint sub-assembly, a shaft member, and a selectively actuatable engagement member. The fixed joint sub-assembly includes an inner bore and a stem member with a channel extending therethrough. The shaft member has an engagement channel formed in an end surface of an engagement end thereof. The engagement member is configured to be received within the engagement channel. The engagement end of the shaft is configured to be received within the inner bore, with the engagement member partially seated within the engagement channel thereof. The engagement member is configured to be advanced from the partially seated position within the engagement channel, thereby causing the shaft member to selectively and frictionally engage with the fixed joint sub-assembly.
    Type: Application
    Filed: March 14, 2012
    Publication date: September 19, 2013
    Applicant: GKN DRIVELINE NORTH AMERICA, INC.
    Inventors: Russell L. Dusett, JR., Michael Ross, David G. Sasseen, Gary D. Grabaum
  • Patent number: 6793050
    Abstract: A dynamic damper for absorbing vibrations in a rotary driveshaft, including a mass member assembly having a plurality of mass members, each mass member having an inner surface, an outer surface, and an affixing member to affix the mass member to another mass member of the assembly, the mass member assembly being affixable to a rotary shaft.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 21, 2004
    Assignee: GKN Driveline North America, Inc.
    Inventors: Mick A. Nylander, Gary D. Grabaum
  • Patent number: 6085797
    Abstract: Durability of elastomeric bellows-type suspension and drivetrain components, particularly constant velocity joint boots, is improved by coating the elastomeric boot with a thin, flexible, and lubricious coating formed by curing the admixture of epoxy resins, curing agents, an unsaturated polymerizable monomer, a free radical polymerization and/or grafting initiator, and a non-fugitive solid lubricant. The coating strongly adheres to the elastomer and greatly increases the longevity under severe operating conditions.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: July 11, 2000
    Inventors: Gary D. Grabaum, Theodore H. Collins, Gwynne Williams, Mohan L. Sanduja, Carl Horowitz, Boris Shvartsman, Paul Thottathil
  • Patent number: 5833542
    Abstract: A transmission joint sealing boot comprising a flexible diaphragm member having a passageway extending therethrough, a first end defining an opening, an annular second end disposed opposite the first end, a flexible arcuate section connecting the first end and the annular second end of the flexible diaphragm member, the first end further including an inner surface and an outer surface, a bellows member having a passageway extending therethrough, the bellows member including a first end defining an opening, a second end disposed opposite the first end, and an intermediate bellows segment having a convoluted section disposed between the first end and the second end and connecting the first end and the second of the bellows member, wherein the second end defines an opening for receiving the first end of the flexible diaphragm member and the second end further including an inner surface and an outer surface, a magnetically active weld sleeve having an inner surface correspondingly shaped to mate with the outer su
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: November 10, 1998
    Assignee: GKN Automotive, Inc.
    Inventors: Richard Harrold, Paresh Patel, Gary D. Grabaum