| Patent application number | Description | Published |
|---|
| 20090071675 | BATTERY PACK AND CORDLESS TOOL USING THE SAME - A battery device is constituting by connecting such cell assemblies in parallel as each comprises: a first cell group having a plurality of cells connected in series; a housing container for housing said first cell group; current detecting means housed in said container for detecting a current to flow through the first cell group; a switching element connected with said first cell group for turning ON/OFF the current to flow through said first cell group; and means for controlling the ON/OFF of said switching element in response to the output signal of said current detecting means. | 03-19-2009 |
| 20090102428 | BATTERY CHARGER - A setting current switching circuit | 04-23-2009 |
| 20100092850 | Battery Pack and Battery-Driven Power Tool Using the Same - A battery pack for use with a battery-driven power tool includes three battery cells in which two out of three are arranged horizontally in parallel to and in alignment with each other in a lower case and the remaining one battery cell is vertically arranged in an upper case. The upper case of the battery pack is inserted, in use, into a battery pack receiving space formed in the grip portion of a power tool. Therefore, the grip portion can be made thin and usability of the power tool is enhanced. | 04-15-2010 |
| 20100112435 | Battery Pack and Motor-Driven Tool Using the Same - A battery pack ( | 05-06-2010 |
| 20100176761 | Battery Charging Device - The peripheral edge of the upper face | 07-15-2010 |
| 20100248016 | BATTERY PACK AND POWER TOOL PROVIDED WITH THE SAME - According to an aspect of the present invention, there is provided a battery pack to be inserted and attached to a power tool, including: a case; a battery cell accommodated inside the case; and an electrode terminal connected to the battery cell and provided on the case so as to be connectable to a tool-side electrode terminal, wherein the case includes: a case main portion; and a case sub portion which is protruded from the case main portion to be inserted into the power tool, and wherein the electrode terminal is provided on an upper surface of the case main portion at a side of the case sub portion. | 09-30-2010 |
| 20110005793 | BATTERY PACK AND MOTOR-DRIVEN TOOL USING THE SAME - A battery pack | 01-13-2011 |
| 20110025269 | BATTERY CHARGER - A battery charger includes an accommodating part for accommodating a group of cells and a plurality of cell assemblies respectively having charging terminals for charging the group of cells; a first terminal plate formed in the surface of the accommodating part to come into contact with the charging terminal of the first cell assembly and a second terminal plate coming into contact with the second cell assembly; a switching element for interrupting voltage from an ac power source; a unit for rectifying and smoothing the voltage interrupted by the switching element; and a unit for applying the smoothed dc voltage respectively to the first and second terminal plates. | 02-03-2011 |
