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:
Jul. 02, 2013
Filed:
Oct. 17, 2011
Applicants:
Marty W. Thomas, Hallsville, TX (US);
James Alan Ehret, Norwalk, OH (US);
Inventors:
Marty W. Thomas, Hallsville, TX (US);
James Alan Ehret, Norwalk, OH (US);
Assignee:
Warfab Industries, Inc., Hallsville, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 3/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A center pivot pin support bearing assembly to provide rotatable center restraint for a dragline excavator machine. Multiple center pin bearing support fittings imparts stabilization and additional bearing wear surfaces for increased pin useful service life before replacement. An axially center pin bore receiving fitting is provided for longitudinal spaced multiple support fits combination with a center pin receiving stabilization base and fit.