About 99 results
https://drivepatents.com/patents/992672 · 27 Feb 2013
A disclosed heat generation amount estimation unit is used for a battery for an electric power tool, and estimates a heat generation amount of the battery that is a power source of the electric power tool. The heat generation amount estimation unit include...
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/992669 · 27 Feb 2013
A battery pack for electric power tool is provided with a battery and a control circuit. The circuit includes a condition satisfaction determination unit, a continuation satisfaction determination unit, and a sleep-mode transition unit. The condition satis...
https://drivepatents.com/patents/992580 · 27 Feb 2013
A cultivator (1')configured such that at least one rechargeable specified battery (21,22) for an electrical power tool can be attached thereto as a power source includes at least one battery converter (41,42) that is capable of being coupled to at least on...
https://drivepatents.com/patents/986050 · 20 Feb 2013
An adapter for an electric power tool couples battery packs with the electric power tool. The adapter is provided with a voltage regulator circuit 130 interposed between the battery packs and the electric power tool. The voltage regulator circuit regulates...
https://drivepatents.com/patents/993001 · 6 Feb 2013
In an impact driver, a link unit (a link sleeve (63) and first and second elongated protrusions (88A, 88B)) is provided between the mode switching ring (64) for selecting an operation mode and the slide button (34) for selecting the rotation speed. With th...
https://drivepatents.com/patents/994868 · 19 Dec 2012
A battery device (10; 10A; 10B) can be mounted to a tool body (2) of an electric tool (1) for supplying electric power to the tool body (2). The battery device (10; 10A; 10B) may include a plurality of battery mount sections (20) each capable of mounting a...
https://drivepatents.com/patents/996497 · 31 Oct 2012
A battery connection device is provided with an authentication data creating unit that creates authentication data, a conversion unit that performs a first conversion of the authentication data, a transmission unit that transmits the authentication data to...
https://drivepatents.com/patents/998162 · 19 Sep 2012
The starter has a cable pulley or cable drum rotatably mounted in a housing. The pulley or drum is rotatably movable for generating drive torque for a crankshaft by an operating-handle over a power transmission unit e.g. operating-cable or traction cable. ...
https://drivepatents.com/patents/998389 · 12 Sep 2012
The engine (100) has a silencer (10) i.e. dual chamber silencer, comprising a structurally limited outer chamber (16) and silencer intake (11) that is connected with a flow channel (12) i.e. straight tube, such that the flow channel is connected to an outl...