Patents by Inventor Charles E. Ketchu

Charles E. Ketchu 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).

  • Head stack assembly shipping comb with temporary locating feature for internal head disk assembly build process and disk drive manufactured using the same
    Patent number: 6687093
    Abstract: Disclosed herein is a disk drive that includes a housing including a base, the base defining a blind receptacle, a spindle motor attached to the base, a disk mounted to the spindle motor and a head stack assembly pivotally coupled to the base. The head stack assembly includes a body portion including a first bore defining a pivot axis, an actuator arm cantilevered from the body portion, and a head gimbal assembly supported at the actuator arm and including a head. The base defines a blind receptacle and the actuator arm defines a second bore that is situated so as to enable the second bore and the blind receptacle to align along an axis parallel to the pivot axis when the head stack assembly is pivoted such that the head is not over the disk.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: February 3, 2004
    Assignee: Western Digital Technologies, Inc.
    Inventors: Walter W. Butler, Chunjer C. Cheng, R. Mark Watson, Charles E. Ketchu, Jules Moritz, Jr., Robert E. Lloyd, Craig W. Congdon