The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2010
Filed:
Sep. 01, 2005
Gregg A. Bosley, Houston, TX (US);
Aditya V. Soman, Houston, TX (US);
David P. Ross, Katy, TX (US);
James R. Streater, Jr., Humble, TX (US);
Gregg A. Bosley, Houston, TX (US);
Aditya V. Soman, Houston, TX (US);
David P. Ross, Katy, TX (US);
James R. Streater, Jr., Humble, TX (US);
National-Oilwell DHT, L.P., Houston, TX (US);
Abstract
The present invention is an improved swivel joint for use as part of a cable-guided fishing assembly. The swivel joint contains a bearing assembly comprising a series of ball bearings partially encased by an inner and outer race. During a cable-guided fishing operation, the inner and outer race exert a shearing, rather than compression, force on the ball bearing due to the unique configuration of the bearing assembly. This unique configuration increases the strength of the bearing assembly, and the corresponding strength of the swivel joint, without necessitating an increase in the outer diameter of the swivel joint.