Patents by Inventor Thomas D. Carroll

Thomas D. Carroll 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).

  • Patent number: 4686592
    Abstract: An improved disk drive device including a disk of recording media and having a central aperture, which disk is supported at its periphery by a cylindrical housing. A spindle motor is positioned at the outer periphery of the housing along with a single set of bearings, also positioned at the other periphery of the housing, to cause rotation of the housing relative to a base. A stepper motor is positioned with its shaft protruding through the center aperture of the disk and directly coupled to read/write heads. The stepper motor shaft is positioned parallel to but offset from the center line of the disk so that rotation of the stepper motor shaft causes the read/write heads to translate along an arc across the surface of the disk. The arc extends from the inner track of the disk to the outer track thereof.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: August 11, 1987
    Inventors: Thomas D. Carroll, Clifford B. Akers
  • Patent number: 4036622
    Abstract: A method and apparatus is disclosed for protecting the apparatus employed in the formation of glass fibers, glass fiber strands and the products produced therein. The method involves continuously contacting the moving glass fiber strand during the forming thereof from glass fibers with a strand detecting means provided between a gathering shoe and winding means and automatically deactivating the winding means and spiral assembly associated therewith in addition to protecting the application surface of the applicator when a loss of contact of strand between the gathering shoe and winding means is detected. This deactivation of the winding means and spiral prevents damage from glass beads which may form after a strand breakout in a glass fiber forming operation. The strand breakout is detected by means located between the gathering shoe and collet.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: July 19, 1977
    Assignee: PPG Industries, Inc.
    Inventors: Thomas D. Carroll, Christopher G. Cross
  • Patent number: 3959618
    Abstract: A captive pivot nut is fastened to a panel either by a separate bolt or, in the case of a toggle switch, by being threaded onto the switch and a rocker arm is pivotably snapped onto the captive nut and actuates the switch by being pivoted about the nut to depress the switch, or, in the case of a toggle switch, the rocker arm is mounted over the switch toggle arm.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: May 25, 1976
    Assignee: Memorex Corporation
    Inventor: Thomas D. Carroll
  • Patent number: D344932
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: March 8, 1994
    Assignee: HaL Computer Systems, Inc.
    Inventors: Fred J. Berkowitz, Thomas D. Carroll, Eric M. Monsef, Robert A. Musetti
  • Patent number: D350339
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: September 6, 1994
    Assignee: Hal Computer Systems, Inc.
    Inventors: Thomas D. Carroll, Fred J. Berkowitz, Eric M. Monsef, David R. Hargis
  • Patent number: D361321
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: August 15, 1995
    Assignee: HaL Computer Systems, Inc.
    Inventors: Fred J. Berkowitz, Thomas D. Carroll, Eric M. Monsef, Robert A. Musetti