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:
Dec. 12, 2000
Filed:
Nov. 30, 1998
Applicant:
Inventors:
Kauko Juuri, Hollola, FI;
Jouni Salo, Lahti, FI;
Assignee:
Tamrock Oy, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
173128 ; 173 90 ; 173171 ; 408226 ; 279 196 ;
Abstract
An impact breaker has a sleeve which slidably receives an end portion of a tool. The tool is formed over its end portion with a groove extending completely around the end portion of the tool for receiving lubricant for lubricating movement of the tool in the sleeve.