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:
May. 01, 2018
Filed:
Feb. 15, 2013
Hitachi Koki Co., Ltd., Tokyo, JP;
Yasushi Nakano, Ibaraki, JP;
Yuki Horie, Ibaraki, JP;
Kazuhiko Funabashi, Ibaraki, JP;
Yuuichi Toyoshima, Ibaraki, JP;
Hiromi Ozawa, Ibaraki, JP;
Hirohisa Tomita, Ibaraki, JP;
HITACHI KOKI CO., LTD., Tokyo, JP;
Abstract
An electric working machine including: a motor; a control unit configured to control rotation of the motor; a fixed part provided with a handle having a grip portion; a movable part held by the fixed part and is configured to be extendible by sliding relative to the fixed part; and a cutting blade provided to a end portion of the movable pipe and is configured to be driven by the motor; characterized in that the electric working machine further includes a detection unit which is connected to the control unit and is configured to detect whether or not the movable part is positioned at a predetermined extended position relative to the fixed part.