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:
May. 22, 2001
Filed:
Apr. 07, 1999
Applicant:
Inventor:
Robert H. Montgomery, Jr., Everett, PA (US);
Assignee:
Kennametal PC Inc., Monrovia, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 3/519 ;
U.S. Cl.
CPC ...
E21C 3/519 ;
Abstract
An excavation cutting tool holder retention assembly includes a support block having a tool holder bore, the tool holder bore having a bore interior surface. The excavation cutting tool holder retention assembly also includes a cutting tool holder having a shank portion, the shank portion having a shank engagement surface. The excavation cutting tool holder retention assembly further includes a locking member forced between the bore interior surface and the shank engagement surface so as to frictionally retain the shank portion of the cutting tool holder within the tool holder bore.