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:
Aug. 02, 1994
Filed:
Jun. 28, 1993
Applicant:
Inventor:
Preston L Gale, Morton, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21B / ; E21C / ;
U.S. Cl.
CPC ...
299 86 ; 407-7 ; 407 64 ;
Abstract
A cutter bit having a concave face surface has a base surface spaced from the concave face surface and a recess extending inwardly from the base surface, The recess is adapted to receive a portion of a tool holder that extends at least partially into the recess, A bearing member is interposed the body of the cutter bit and the portion of the tool holder disposed in the recess.