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Power tool and vibration damping device

An electric power tool and vibration damping technology, applied in the field of electric power tools and vibration damping devices, can solve the problems of operator fatigue, reduced grip force, increased operator health risks, etc., and achieve compact vibration damping devices and fatigue-free work. Effect

Inactive Publication Date: 2008-10-01
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This vibration leads to faster operator fatigue and reduced grip
Expose the operator to increased health risks especially during long-term operation, e.g. for grinding machines

Method used

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  • Power tool and vibration damping device
  • Power tool and vibration damping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Identical elements are marked with the same symbols in each of the figures.

[0015] exist figure 1 A preferred embodiment of an electric power tool not shown in detail is shown in front view, which has a housing 10 and a handle element 11, in figure 2 A side view is shown in . The handle element 11 is designed as a bow handle and comprises a handle bow 12 and two side elements 13 , 14 leading from the handle bow 12 to the housing 10 . side elements 13, 14 in figure 1 Pointing in the working direction in the rest position shown. At its pivot point 30 , the handle element 11 has shafts 23 , 24 which are each held in a pivot bearing 25 , 26 of the housing 10 . On the shaft side, the swivel bearings 25 , 26 have a damping element 28 in the form of a rubber element, which produces an elastic, torsionally fixed connection to the shafts 23 , 24 . The damping element 28 is provided for damping vibrations and forms an essential component of the damping device according to...

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PUM

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Abstract

The invention relates to a power tool comprising a housing (10) and a handle element (11) composed of a gripping member (12) and two lateral elements (13, 14) extending from the gripping member (12) to the housing (10). According to the invention, the handle element (11) is configured to pivot about a pivoting axis (15) that runs parallel to the longitudinal extension (27) of the gripping member (12). The invention also relates to a vibration damping device.

Description

technical field [0001] The invention relates to an electric power tool and to a vibration damping device according to the preambles of the independent claims. Background technique [0002] Unpleasant vibrations occur during operation of the power tool due to the vibrating properties of the power tool, especially in the region of the handle. This vibration leads to faster fatigue of the operator and to reduced grip. Especially during long-term operation, such as with grinding machines, the operator is exposed to increased health risks. In order to damp vibrations well and achieve sufficient handling rigidity, various damping systems are known according to the prior art. Usually an absorbing layer is used, or a vibration-damping suspension of the housing part is provided in the area of ​​the handle, for example by means of rubber elements, which enable different directions of movement in order to reduce vibrations. [0003] Furthermore, according to the prior art, handles o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25D17/04B25F5/00
CPCB25D17/043B25F5/006B25D2222/57
Inventor U·兰杰G·迈克斯纳K·迪茨J·施利普夫H·施泰因克C·克普夫
Owner ROBERT BOSCH GMBH