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. 06, 2004
Filed:
Jul. 12, 2002
Applicant:
Inventor:
Sherlock K. Pippins, Dallas, TX (US);
Assignee:
TRN Business Trust, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/96 ; E02F 9/28 ;
U.S. Cl.
CPC ...
E02F 3/96 ; E02F 9/28 ;
Abstract
A system for coupling excavation equipment components is provided. The system includes a retainer pin having first and second detents which are extendable axially from a surface of the retainer pin, in response to rotation of a valve seated at least partially within a cylindrical bore which extends at least partially through the retainer pin. In accordance with the particular embodiment, the valve includes at least one slotted portion configured to receive the detents at least partially therein, when the detents are in a retracted position.