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:
Jul. 07, 2009
Filed:
Apr. 28, 2006
Katsuhiko Murayama, Tokyo, JP;
Hajime Takemura, Tokyo, JP;
Junichi Tamura, Tokyo, JP;
Max Co., Ltd., Tokyo, JP;
Abstract
In a gas combustion type driving tool, on a feed cylinderincluded in a feed piston/cylinder device, there is provided a spring for normally urging a feed pistonin a feed direction. A portion of the feed cylinderopposite to the spring is connected to a combustion chamberthrough a gas conduit. In an intermediate portion of the gas conduit, there is provided a delay piston/cylinder device A. One end of a delay cylinderis disposed on the combustion chamberside, while the other end thereof is disposed on the feed cylinderside. When a delay pistonis slidingly moved from one end of the delay cylinderto the other end thereof by the pressure of combustion gas, air compressed within the delay cylinderis supplied from the other end of the delay cylinderto the feed cylinder