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. 30, 2014
Filed:
Jan. 13, 2009
Yukihiro Shima, Ibaraki, JP;
Hideyuki Tanimoto, Ibaraki, JP;
Hiroyuki Oda, Ibaraki, JP;
Yoshihiro Nakano, Ibaraki, JP;
Takashi Ueda, Ibaraki, JP;
Yukihiro Shima, Ibaraki, JP;
Hideyuki Tanimoto, Ibaraki, JP;
Hiroyuki Oda, Ibaraki, JP;
Yoshihiro Nakano, Ibaraki, JP;
Takashi Ueda, Ibaraki, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A spring-type fastener driving tool includes a plunger having a blade that drives in fasteners, a spring that urges the plunger downwards and is capable of being compressed upwards, a spring compression mechanism unit that includes a drum that causes the plunger to move in a compression direction of the spring based on rotational force of a motor, a reduction mechanism unit, and a one-way clutch than prohibits reverse rotation of the motor. Reverse rotation of the drum due to the urging force of the spring is prevented by providing the one-way clutch between an input side rotating shaft of the reduction mechanism unit and a rotation output shaft of the motor.