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Hand held or hand guided grinding or polishing machine tool

A mechanical tool and guided technology, applied in portable grinding beds, grinding/polishing equipment, manufacturing tools, etc.

Inactive Publication Date: 2017-11-03
盖多·瓦伦蒂尼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In polishing machines known from the prior art, the greater the orbit of the working element, the greater the distance between the longitudinal axis of the second connecting element of the working element holder (corresponding to the motor shaft) and the axis of rotation of the second connecting element Larger, which inevitably leads to larger dimensions and stronger vibrations of the machine tool

Method used

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  • Hand held or hand guided grinding or polishing machine tool
  • Hand held or hand guided grinding or polishing machine tool
  • Hand held or hand guided grinding or polishing machine tool

Examples

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Embodiment Construction

[0059] Figure 12 An example of a random orbit polishing machine tool 1 according to the present invention is shown. The polishing machine 1 has a housing 2 substantially made of plastic material. The polisher 1 has a handle 3 at its rear end and a handle 4 at its front end. A power supply cord 5 having an electrical plug at its distal end exits the housing 2 at the rear end of the handle 3 . At the bottom side of the handle 3 a switch 6 is provided for activating and deactivating the machine tool 1 . The switch 6 can be continuously held in its actuated position by means of the button 7 . The machine tool 1 may be provided with a rotation adjusting member (not shown) for adjusting the rotational speed of the machine tool motor. The housing 2 may be provided with cooling openings 8 for allowing heat from the electronic components and / or the electric motor, both located inside the housing 2, to dissipate into the environment.

[0060] Figure 12 The machine tool 1 shown i...

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PUM

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Abstract

The invention refers to a hand held or hand guided grinding or polishing machine tool (1), the tool (1) comprising: a working element holder (12) having a first connection element (36) for connecting the working element holder (12) to a disk-like working element (9) and a center axis (14), the first connection element (36) having a rotational axis (37) running parallel to the working element holder's (12) center axis (14), the working element holder (12) further having a second connection element (15) for connecting the working element holder (12) to a motor shaft (22) of the grinding or polishing machine tool (1) in a torque proof manner, and the second connection element (15) having a longitudinal axis (16) running parallel to the first connection element's (36) rotational axis (37) and to the working element holder's (12) center axis (14). In order to provide for a larger orbit of the working element (9) and to reduce vibrations of the tool (1), it is suggested that all three axes (14, 16, 37) are spaced apart from one another by predefined distances.

Description

technical field [0001] The present invention relates to an electrically or pneumatically actuated hand-held or hand-guided grinding or polishing machine tool. The mechanical tools include: [0002] - a working element holder having a first connecting element and a central shaft for connecting said working element holder to a disk-shaped working element, [0003] - said first connecting element for connecting said working element holder to said working element, having an axis of rotation running parallel to the central axis of said working element holder, [0004] - said working element holder further has a second connection element for connecting said working element holder to a motor shaft of said grinding or polishing machine tool in a torque-proof manner, and [0005] - said second connecting element for connecting said working element holder to said motor shaft, having an extension parallel to the rotation axis of said first connecting element and the central axis of sai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B23/02B24B45/00B24B47/12
CPCB24B23/02B24B45/00B24B47/12B24B23/03
Inventor 盖多·瓦伦蒂尼
Owner 盖多·瓦伦蒂尼