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:
Feb. 05, 2008
Filed:
May. 26, 2006
Isamu Tanji, Ibaraki, JP;
Isamu Tanji, Ibaraki, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A center portion of a handle housing portionis arranged with a pressure reducing valve mechanism portionfor reducing a pressure of high pressure compressed air to be surrounded by an exhaust chamberin a state of making a triggerON, air pressure Pof a secondary pressure side portof the pressure reducing valve mechanism portionis made to be higher than air pressure Pof a secondary pressure side portof the pressure reducing valve mechanism portionin a state of making the triggerOFF by communicating a hermetically closed chamberof a pressure control springand the exhaust chamberby way of a relief holesuch that an exhaust air pressure of an air motor mechanism portionis added to a spring force F of the pressure control springof the pressure reducing valve mechanism portion