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:
Sep. 12, 2006
Filed:
Aug. 07, 2002
Applicant:
Takeo Fujiyama, Tokyo, JP;
Inventor:
Takeo Fujiyama, Tokyo, JP;
Assignee:
Max Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 17/00 (2006.01); B25B 23/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nose () of an air impact driver () is mounted with a slidable contact nose () and by the contact nose, a contact valve () upward therefrom is operated to switch. An AND circuit operated to pilot an air motor controlling pilot valve () and a piston controlling pilot valve () is constituted by a trigger valve () operated by a trigger lever () and the contact valve (). When the contact nose is pressed and the trigger lever is pulled, the air motor controlling pilot valve and the piston controlling pilot valve are switched to starting positions to start the air impact driver.