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. 18, 2007
Filed:
Oct. 06, 2006
Applicants:
Kigen Agehara, Tokyo, JP;
Motoshige Akatsu, Tokyo, JP;
Naohide Murakami, Tokyo, JP;
Inventors:
Assignee:
Max Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25D 9/00 (2006.01); E21B 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A concrete drill for drilling concrete or the like by a diamond bit () attached to a front end of a bit drive shaft () projected forward from a main body () by driving to rotate the bit drive shaft () by a drive source () contained in the main body () in which the main body () is provided with a vibrating apparatus () for exerting a vibrating force a magnitude which is pulsated to change along the bit drive shaft () to the main body ().