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Rechargeable battery

A storage battery and electromechanical technology, applied in the direction of battery components, circuits, electrical components, etc., can solve the problem of high cost and achieve good design and assembly-friendly effects

Inactive Publication Date: 2009-01-14
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cable connections necessary for this require space in the accumulator and are expensive in their manufacture

Method used

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Examples

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Embodiment Construction

[0024] The invention is explained in more detail below on the basis of a battery for a hand-held electromechanical tool. However, the invention is not restricted to such hand tools, but should generally refer to accumulators. The invention can thus be applied, for example, to a battery of a motor vehicle with an internal combustion engine or a drive of an electric vehicle. Furthermore, the invention can be used, for example, in accumulators of portable electronic appliances, drives, for example in model building, mobile phones, cameras and the like.

[0025] If the concept of the cell connector is used below, it should also include the concept of the cell connector of one pole of the storage battery together, that is to say, the present invention also relates to that section of the storage battery, which can be connected to one of the storage battery on this section. The cell connectors in the form of battery poles are seen on the outer side.

[0026] FIG. 1 shows a battery ...

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PUM

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Abstract

The invention relates to a rechargeable battery for handheld electromechanical tools, having a plurality of battery cells that are connected electrically to one another by means of flat electrical cell connectors, wherein in a region of the rechargeable battery in which two cell connectors overlap, an electrical insulator is fixed to a cell connector of an electrical cell bypass. The invention further relates to an electromechanical tool, in particular a cordless screwdriver, power drill, circular saw, jigsaw, power sander, or garden tool, having a rechargeable battery according to the invention.

Description

technical field [0001] The invention relates to a rechargeable battery for a hand-held electromechanical tool, wherein the rechargeable battery has a plurality of rechargeable cells electrically connected to one another. The invention also relates to an electromechanical tool with an accumulator according to the invention. Background technique [0002] All hand-held, transportable, electrically powered hand tools are referred to as electromechanical tools in which the electric motor is an integral part of the tool. This involves, for example, drills, cordless screwdrivers, circular and hole saws, angle-handled hand grinders and other grinding machines as well as, depending on the design, garden tools such as electric hedge shears, for example. Accumulators or cells for such tools should have the greatest possible capacity, the lowest possible weight and the smallest possible footprint requirements and should also be cost-effective to manufacture. [0003] The electrical co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/20H01M50/529H01M50/503H01M50/505H01M50/51H01M50/512H01M50/514
CPCH01M2/204Y02E60/10H01M50/512H01M50/51H01M50/505
Inventor M·雷曼W·马赛厄斯T·塞德尔
Owner ROBERT BOSCH GMBH
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