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Auxiliary handle

A technology of handles and auxiliary components, applied in portable drilling rigs, portable motorized devices, drilling/drilling equipment, etc., can solve problems such as darkened shadows, unguaranteed lighting, and poor lighting in the work area, so as to avoid shadows Effect

Inactive Publication Date: 2005-04-20
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Good lighting is not guaranteed especially when hand tools are used on the move while being portable
It is often the case that the working area is poorly lit or darkened by shadows, which may also be created by the operator of the hand tool machine

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] FIG. 1 shows a sectional side view of an embodiment of an auxiliary handle 1 according to the invention. It has a fastening device 2 and a handle 3 . The fastening device 2 has a retaining ring 4 by means of which a force-chain and / or form-fit connection is formed with the clamping neck of a hand-held power tool not shown in the figures, which is driven by a motor, for example an electric motor. . Arranged below the retaining ring 4 is an illumination device 5 which, in the switched-on state, generates a light cone 7 indicated by the boundary line 6 . The lighting device 5 is switched on and off by means of the operating element 8 , which here is located on the underside of the auxiliary handle 1 . In the exemplary embodiment shown here, the orientation of light cone 7 relative to the auxiliary handle and thus also relative to the hand power tool is fixed. Another possibility is to configure the lighting device 5 on a ball joint so that the user can change the orient...

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PUM

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Abstract

An auxiliary handle (1) of a motor-driven hand-held power tool, in particular a drilling machine, has a fastening device (2) which forms the upper region of the auxiliary handle (1) and establishes a connection with the hand-held power tool constitutes a force transmission chain and / or form-fit connection; and has a handle (3), which constitutes the lower region of the auxiliary handle (1) and is connected to the fixing device (2), wherein the auxiliary The handle (1) has a lighting device (5) for illuminating the working area of ​​the hand-held power tool, which has a lighting element (9) assigned to the lighting device (5), in particular an incandescent bulb or a light-emitting diode ( 10). Furthermore, a motor-driven hand-held power tool with an auxiliary handle (1) is proposed.

Description

technical field [0001] The invention relates to an auxiliary handle for a motor-driven hand-held power tool, in particular a drilling machine, having a fastening device which forms the upper region of the auxiliary handle and establishes a connection with the hand-held power tool and / or a form-fit connection; and a handle, which constitutes the lower region of the auxiliary handle and is connected to the fixing device. [0002] The invention also relates to a motor-driven hand-held power tool. Background technique [0003] Auxiliary handles of this type are known which enable the operator of a motor-driven hand-held power tool to hold and operate the hand-held power tool with both hands during work. If the operator needs to apply additional force to the machine tool along its working direction during use, if the hammer drill needs to be pushed forward in the longitudinal direction of the drill bit used, the operator can use the auxiliary handle with both hands and arm to a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25F5/00B25F5/02
CPCB25F5/026B25F5/00B25F5/021
Inventor 阿尔多·迪尼科兰托尼奥罗伯特·西姆克里斯蒂安·海涅西蒙·伊舍
Owner ROBERT BOSCH GMBH