Patents by Inventor James J. Pethis

James J. Pethis 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: 4325590
    Abstract: The invention contemplates a unitary pre-loaded angular-contact antifriction bearing assembly or cartridge having particular application to highspeed textile manufacturing use wherein the spindle shaft incorporates the spaced inner raceways of the respective antifriction-element complements of the preloaded bearing, the direction of angular-contact preload being such as to place the spindle shaft under tension, between the spaced inner raceways. The bearing assembly incorporates features which greatly simplify operations necessary to the assembly of its component parts, as well as a feature whereby inadvertent disassembly is prevented.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: April 20, 1982
    Assignee: Textron Inc.
    Inventor: James J. Pethis