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Hand-held and hand-guided random orbital polishing or sanding power tool

A power tool, random orbit technology, used in manufacturing tools, portable grinders, grinding drives, etc.

Pending Publication Date: 2020-05-05
盖多·瓦伦蒂尼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This means that there are significant limitations in the development of new power tools and the further development of existing power tools

Method used

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  • Hand-held and hand-guided random orbital polishing or sanding power tool
  • Hand-held and hand-guided random orbital polishing or sanding power tool
  • Hand-held and hand-guided random orbital polishing or sanding power tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] figure 1 An example of a hand-held and hand-guided electric power tool 1 according to the invention is shown in perspective view. figure 2 show figure 1 A schematic longitudinal section of the power tool 1. The power tool 1 is implemented as a random orbital polishing machine (or polisher). The polishing machine 1 has a housing 2 which is substantially made of plastic material. The housing 2 is provided with a handle 3 at its rear end and a grip 4 at its front end, so that the user of the tool 1 can hold the tool 1 with both hands and apply a certain force on the handle 4 during the intended use of the tool 1. amount of pressure. A power supply cord 5 with an electrical plug at its distal end exits the housing 2 at the rear end of the handle 3 . On the bottom side of the handle 3 is provided a switch 6 for activating or deactivating the power tool 1 . The switch 6 can be continuously held in its activated position by means of the button 7 . The power tool 1 can ...

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PUM

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Abstract

The invention refers to a hand-held and hand-guided random orbital polishing or sanding power tool. The tool comprises a static body, a motor, an eccentric element which is driven by the motor and performs a rotational movement about a first rotational axis, and a plate-like backing pad connected to the eccentric element in a manner freely rotatable about a second rotational axis. The first and second rotational axes extend essentially parallel to one another and are spaced apart from one another. In order to provide for a power tool particularly quiet and low in vibrations, it is suggested that at least part of an external circumferential surface of the eccentric element has an at least discrete rotational symmetry in respect to the first rotational axis; and the power tool comprises atleast one first bearing provided between the rotationally symmetric part of the external circumferential surface of the eccentric element and the static body of the power tool so that the eccentric element is guided in respect to the body in a manner rotatable about the first rotational axis.

Description

technical field [0001] The present invention relates to a hand-held and hand-guided random orbital polishing or sanding power tool. A power tool comprising a stationary body, a motor, an eccentric element driven by the motor for rotational movement about a first axis of rotation, and a plate-like backing pad freely rotatable about a second axis of rotation way connected to the eccentric element. The first axis of rotation and the second axis of rotation extend substantially parallel to each other and are spaced apart from each other. Background technique [0002] Power tools of the type described above are well known in the prior art. A stationary body of a power tool is a fixed part of the power tool that does not move during operation of the power tool. The stationary body may be fixed to the housing of the power tool, or may be the housing itself. The motor used to drive the eccentric element can be an electric motor or an air motor. The eccentric element may be dire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B23/03B24B41/04B24B47/12B24B55/04B24B55/05
CPCB24B23/03B24B55/045B24B55/052B24B47/12B24B41/04B24B23/028
Inventor 盖多·瓦伦蒂尼
Owner 盖多·瓦伦蒂尼