Patents by Inventor Ryan B. West

Ryan B. West 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).

  • Ball screw assembly and spacer elements therefor
    Patent number: 7640820
    Abstract: A ball screw assembly has an axially extending screw with an external helical groove and a nut with a through bore for receipt of the screw. The through bore has an internal helical groove adapted for cooperation with the external helical groove to define a ball raceway. A plurality of load bearing balls is disposed in the raceway for rolling contact with the internal and external grooves. A spacer is disposed between adjacent ones of the load bearing balls to prevent the balls from contacting one another. Each of the spacers has at least three pairs of diametrically opposite concave dimples adapted for contact with the load bearing balls at separate times from one another.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: January 5, 2010
    Assignee: Danaher Motion, Inc.
    Inventors: Ryan B. West, Bir Inder Singh, Stephen R. Ahlers, Ryan P. Thomas, Gwo-Shum Burt Shiu
  • Internally lubricated ball screw and nut linear actuator
    Patent number: 6568508
    Abstract: A ball screw and nut linear actuator incorporates an axially extending screw and a nut received on the screw to provide a helical raceway with recirculating load bearing balls. An axially extending member carried by the nut on a surface of the nut radially outboard of the raceway has ball return passages opening to the screws groove extending axially to span different turns of the screw groove. The ports lead to the ball return passages and are supplied with a liquid lubricant by a distributor system.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: May 27, 2003
    Assignee: Thomson Saginaw Ball Screw Company, L.L.C.
    Inventors: Ryan B. West, David A. Lange, John E. Kinney
  • Internally lubricated ball screw and nut linear actuator
    Publication number: 20020185336
    Abstract: A ball screw and nut linear actuator incorporates an axially extending screw and a nut received on the screw to provide a helical raceway with recirculating load bearing balls. An axially extending member carried by the nut on a surface of the nut radially outboard of the raceway has ball return passages opening to the screws groove extending axially to span different turns of the screw groove. The ports lead to the ball return passages and are supplied with a liquid lubricant by a distributor system.
    Type: Application
    Filed: June 7, 2001
    Publication date: December 12, 2002
    Applicant: Thomson Saginaw Ball Screw Company, L.L.C.
    Inventors: Ryan B. West, David A. Lange, John E. Kinney