About 33 results
https://drivepatents.com/patents/991286 · 1 May 2013
A power supply device for electric power tool is provided with: an adapter configured to be electrically connected to an electric power tool; a fuel cell configured to generate an electric power to be supplied to the electric power tool through the adapter...
https://drivepatents.com/patents/992668 · 27 Feb 2013
An internal temperature estimation unit, which reads a detected temperature of a cell of a battery for an electric power tool to estimate an internal temperature of the battery based on the detected temperature, includes: an initial-value setting device wh...
https://drivepatents.com/patents/992965 · 6 Feb 2013
The device (10) has an energy storage unit (12) comprising rechargeable storage cells (14-20) i.e. galvanic cells, and a fuel storage unit (22) i.e. lubricant storage unit, for storing fuel that is different from fuel in the storage cells. The fuel storage...
https://drivepatents.com/patents/997107 · 17 Oct 2012
A battery pack (10) includes a casing (11, 20) having an opening (24), an engaging member (30) having a stopper (31), and a regulating member (40) configured to regulate a movement of the engaging member (30). The engaging member (30) is supported in a sli...
https://drivepatents.com/patents/1000659 · 4 Jul 2012
A battery (10) for an electric tool (30) includes at least one battery cell (12), a peripheral device (21, 22, 26, 27) operable to detect a battery condition of the at least one battery cell (12), and a microcomputer (24) communicating with the peripheral ...
https://drivepatents.com/patents/1004800 · 29 Feb 2012
A battery device that functions as a power source of a tool main body and is attachable to a body of a user may include a battery housing that is capable of removably receiving at least one rechargeable battery and capable of being electrically connected t...
https://drivepatents.com/patents/1006931 · 21 Dec 2011
A power tool includes a housing coupled to an electrical power source, a motor contained in the housing, and a motor control circuit that controls output speed of the motor. A light unit is coupled to the housing to illuminate a work surface. A light unit ...
https://drivepatents.com/patents/1008505 · 19 Oct 2011
A connecting terminal structure allows providing additional terminals without an increase in the width of a battery pack (30; 60) and an electric apparatus (10; 70). In a connecting terminals structure according to the present invention, a battery pack (30...
https://drivepatents.com/patents/1008662 · 12 Oct 2011
A power tool system comprising: a tool assembly having a motor; a battery pack that selectively couples to the tool assembly and operates to provide power to the motor; and a discharge control module arranged to monitor a parameter indicative of tool opera...
https://drivepatents.com/patents/1008758 · 12 Oct 2011
An electric power tool (1) includes a tool element (5), an electric motor (10), a rechargeable battery (20), a fuel battery (30), a state measuring unit (22, 24, 401, S100, S125), and a control unit (40). The electric motor (10) receives power supply to dr...