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. 24, 2015
Filed:
Sep. 15, 2010
Yoshimitsu Iijima, Hitachinaka, JP;
Norikazu Baba, Hitachinaka, JP;
Yasuki Ohmori, Hitachinaka, JP;
Shouichi Hirai, Hitachinaka, JP;
Yoshimitsu Iijima, Hitachinaka, JP;
Norikazu Baba, Hitachinaka, JP;
Yasuki Ohmori, Hitachinaka, JP;
Shouichi Hirai, Hitachinaka, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A fastener driving tool is capable of not only linearly driving but also rotationally fastening a fastener into a workpiece P. The fastener driving tool includes a housing, a nose portionformed with an injection passagethrough which a fasteneris driven, a magazineaccommodating fastenersand supplying a fastenerto the nose portion, a push levermovable relative to the housingupon depression against the workpiece P, combustion chamber framesmovable in the housingin accordance with the movement of the push lever, and first and second cylindersfixed to the housing. First and second pistonsare movably disposed in the first and second cylinders, respectively, and a bitextends from the first piston. A rodformed with a rackA extends from the second piston. The rackA is engageable with a motion conversion mechanismfor converting a linear motion of the rodinto rotational motion of the bit