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:
Apr. 24, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventor:
Robert H. Montgomery, Jr., Everett, PA (US);
Assignee:
Kennametal PC Inc., Monovia, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 3/5193 ;
U.S. Cl.
CPC ...
E21C 3/5193 ;
Abstract
This invention relates to an excavation cutting tool holder retention system. The excavation cutting tool holder retention system includes a support block having a tool holder bore. The excavation cutting tool holder retention system also includes a tool holder having an effective shank, the effective shank being expandably adjustable within the tool holder bore so as to retain the effective shank within the tool holder bore.