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:
Jun. 25, 2013
Filed:
Nov. 18, 2008
Applicants:
Robert Mcclanahan, Milwaukie, OR (US);
Carolyn Shapiro, Portland, OR (US);
Robin K Churchill, Aloha, OR (US);
Inventors:
Robert McClanahan, Milwaukie, OR (US);
Carolyn Shapiro, Portland, OR (US);
Robin K Churchill, Aloha, OR (US);
Assignee:
ESCO Corporation, Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Improved connection systems for pinned connections are disclosed. Although the connection systems may be utilized in dragline excavating systems, the connection systems may also be utilized for pinned connections in a variety of other types of mining, dredging, forestry, and construction equipment. An insert utilized in the connections systems has a frustroconical shape that joins with an aperture in an element being joined by the connection system.