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.

Date of Patent:
Feb. 28, 2017

Filed:

Mar. 10, 2014
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Tadashi Arimura, Kyoto, JP;

Toshiharu Ohashi, Shiga, JP;

Hiroyuki Kaizo, Kyoto, JP;

Fumiaki Sekino, Osaka, JP;

Kenichirou Inagaki, Shiga, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 23/147 (2006.01); B25B 21/02 (2006.01); B25B 23/14 (2006.01); H02P 7/295 (2016.01);
U.S. Cl.
CPC ...
B25B 21/02 (2013.01); B25B 21/026 (2013.01); B25B 23/1405 (2013.01); B25B 23/1475 (2013.01); H02P 7/295 (2013.01); B25B 23/147 (2013.01); H02P 2201/09 (2013.01);
Abstract

An electric power tool includes a voltage step-up condition setting operation unit that serves as a human machine interface and a voltage converter capable of performing a voltage step-up operation to raise a voltage supplied from a power supply and supply a raised voltage to a motor. The voltage converter is further capable of changing a voltage step-up level in the voltage step-up operation in accordance with the operation of the voltage step-up condition setting operation unit. A driving state detection unit generates a driving state signal corresponding to a driving state of the electric power tool. A control unit controls a stop timing of the motor in accordance with the driving state signal.


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