Patents by Inventor Jeremy F. Elliot

Jeremy F. Elliot 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).

  • Return assembly for a swivable sheave
    Patent number: 4305572
    Abstract: In a machine having a boom, a sheave swivably mounted on the boom and a line reeved over and around the sheave, an assembly for returning the sheave to a predetermined position relative to the boom upon the sheave being rotatably displaced about its swivel axis by forces applied by the line, consisting of a righting arm operatively connected to the sheave for rotatable movement therewith about the swivel axis and means operatively engageable with the righting arm for rotatably biasing the righting arm and correspondingly the sheave about the swivel axis toward the predetermined position.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: December 15, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Jeremy F. Elliot