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:
Jun. 03, 2003
Filed:
Dec. 04, 2000
Applicant:
Inventors:
Shoichi Hirai, Ibaraki, JP;
Akira Uno, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25C 1/04 ;
U.S. Cl.
CPC ...
B25C 1/04 ;
Abstract
In a driving tool, an air tank is coupled via a pressure reducing valve to a rear end of a handle portion which is disposed substantially perpendicularly to an approximately cylindrical output section , and the air tank is configured by: a vertical portion which protrudes in the rear side of the handle section ; and a horizontal portion which extends in substantially parallel with the handle section , whereby the center of gravity of the whole tool is positioned in the vicinity of a gripping portion , so that the weight balance is improved and the dimensions are reduced.