Patents by Inventor Duane A. Lundin

Duane A. Lundin 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).

  • Tubular stiffening rails for head suspension components
    Patent number: 8120878
    Abstract: A relatively stiff head suspension component. The suspension component is comprised of a sheet material having a major surface with side-edges. Tubular stiffening rails are integrally formed on the side-edges from the sheet material. The tubular rails have a substantially symmetrical cross section and extend around at least about 270 degrees from the major surface.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: February 21, 2012
    Assignee: Hutchinson Technology Incorporated
    Inventors: Rick R. Drape, Corey S. Hartmann, Duane A. Lundin
  • Coined headlift with formed rail offset for a disk drive head suspension component
    Patent number: 7724476
    Abstract: A disk drive head suspension headlift formed from a single piece of stainless steel includes a beam region, lift tab and offset region between the beam region and lift tab. The beam region has a major surface and formed side rails. The lift tab is a coined, trough-shaped member at a z-height spaced from the major surface of the beam region. The offset region has a major surface and side rails that transition in height between the side rails of the beam region and the lift tab.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: May 25, 2010
    Assignee: Hutchinson Technology Incorporated
    Inventors: Jacob D. Bjorstrom, Rick R. Drape, Shane T. Dusoski, Justin M. Eggert, Corey S. Hartmann, Shawn P. Henze, Duane A. Lundin
  • Offset dimple in a disk drive with head suspension flexure extending into load beam offset aperture
    Patent number: 7606002
    Abstract: A disk drive head suspension, including a load beam formed from one or more layers of material, and a flexure mounted to the load beam. The load beam has an offset aperture and stiffening rails, and is characterized by a Z-height dimension between the one or more layers of material and the free end edges of the stiffening rails. The flexure has a slider-receiving region extending at least partially through the offset aperture and located within the Z-height dimension of the load beam. A load point structure is provided on the load beam and/or the flexure for restraining movement of the slider receiving region and for permitting slider-receiving region to pivot in under aerodynamic forces.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: October 20, 2009
    Assignee: Hutchinson Technology Incorporated
    Inventors: Gary J. Berscheit, Joel B. Douglas, Shawn P. Henze, Ryan D. Kariniemi, Mark M. Kiviahde, Duane A. Lundin
  • Multi-radius rails for load beams on disk drive suspension assemblies
    Patent number: 7518829
    Abstract: A load beam or load beam component for a disk drive suspension assembly having a rigid region with concurrently formed side rails and sag region. The side rails have a plurality of segments with a smooth transition between segments. The side rails can have at least one segment with an arcuate shape. A method of forming the load beam or load beam component includes providing a metal forming tool and operating the tool to form the side rails and sag region concurrently.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: April 14, 2009
    Assignee: Hutchinson Technology Incorporated
    Inventors: Rick Drape, Duane A. Lundin