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:
Apr. 09, 2013
Filed:
Jan. 18, 2008
Kazuhiko Funabashi, Ibaraki, JP;
Toshiaki Uchida, Ibaraki, JP;
Toshihide Sasaki, Ibaraki, JP;
Eiji Nakayama, Ibaraki, JP;
Kazuhiko Funabashi, Ibaraki, JP;
Toshiaki Uchida, Ibaraki, JP;
Toshihide Sasaki, Ibaraki, JP;
Eiji Nakayama, Ibaraki, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
To provide a power tool which can supply electric power again from a battery even in a case where the supply of electric power from the battery is stopped by an over-discharge detection means. A power toolincludes an FET driving circuitwhich permits the supply of electric power again to a motorfrom a battery packin response to the turning-on of a trigger switcheven in the case where the battery packis placed in an over-discharge state and so the supply of electric power to the motorfrom the battery packis stopped.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile