Method for adjusting an electric power tool
A technology of electric tools and tools, which is applied in the field of setting electric machine tools, can solve problems such as workpiece damage, wrong operation, helpless users, etc., and achieve the effects of simple operation, reduced frequency, and avoiding overload
Inactive Publication Date: 2010-07-21
ROBERT BOSCH GMBH
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Problems solved by technology
Moreover, even the use of illuminated symbols to display operating conditions, which has been known for some time, for example for the direction of operation of electric power tools, does not help unskilled users when resetting the operating conditions of electric power tools
[0005] As a consequence of an incorrect setting of the power tool or tool, not only is the power tool subjected to unnecessary loads, but such a wrong setting can also lead to damage to the workpiece
Moreover, the risk of injury to the operator is increased by incorrect manipulation of the electric tool machine.
Method used
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[0032] figure 1 An electric power tool according to the invention, more precisely a screwdriver 1 in the exemplary embodiment shown here, is shown schematically. The terms machine tool 1 and screwdriver are therefore used synonymously below. The screwdriver 1 comprises a drive motor 2 , a gear 3 and a tool 4 , wherein the tool 4 is driven by means of the gear 3 and the drive motor 2 . In order to detect the necessity of changing the operating state, the electric power tool 1 includes a detection device 5, so if the necessity of switching is detected by the detection device 5, it is automatically carried out by means of the control device 7 of the electric power tool 1 kind of conversion.
[0033] In the embodiment shown, the screwdriver 1 has a first and a second actuating element 6', 6", wherein the rotational speed range can be manually set by means of the first actuating element 6' and by means of the second actuating element 6". The power tool 1 is manually turned from ...
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The present invention relates to a method, with which an electric power tool is operated, which comprises a drive motor, a drive unit as well as a tool, the tool being operated by means of the drive unit and the drive motor. Said tool can be operated in at least two operating modes, said operating modes varying due to the properties of the drive motor and / or the drive unit. The setting of at least one of the two operating modes occurs automatically. The present invention furthermore relates to an electric power tool, which particularly can be operated with the one method according to the invention, having a drive motor, a drive unit as well as a tool, said tool being operable in at least two operating modes by means of the drive unit and the drive motor. The operating modes vary due to the properties of the drive motor and / or the drive unit. Said power tool comprises a detection means, with which the necessity for switching the operating mode can be ascertained and is characterized by further comprising a control means, with which one of the two operating modes can be automatically adjusted.
Description
technical field [0001] The invention relates to a method for operating an electric power tool comprising a drive motor, a transmission and a tool, wherein the tool is operated by means of the transmission part and the drive motor, wherein the tool can be operated as At least two operating conditions are operated, wherein the operating conditions are differentiated by the performance of the drive motor and / or transmission. The invention also relates to an electric power tool which is operated with the method according to the invention. Background technique [0002] The expression "an operating state of an electric power tool" is used below as a synonym for the operating state with which the tool of the electric power tool is operated. [0003] Power tools or their tools can often be operated in several different operating states. For example, the gear or the rotational speed range in which the electric tool machine operates can be adjusted. Or you can set the left or right...
Claims
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IPC IPC(8): B25F5/00B25D11/00B23B45/16
CPCB25D16/006B25D2250/221B25F5/001
Inventor M·雷曼W·马蒂亚斯F·施姆希尔T·黑因里希S·施泰布勒R·格劳宁
Owner ROBERT BOSCH GMBH