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Hand-held grinding machine tool

A grinding tool and hand-held technology, applied in the field of hand-held grinding tools, can solve the problems of complex shape of the bow structure and high manufacturing cost of the bow structure, and achieve the effects of suppressing vibration motion, reducing manufacturing cost and simple shape

Inactive Publication Date: 2009-10-28
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, on these known hand-held grinding tools, the arc has a complex shape, so that the manufacture of the arc is expensive

Method used

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  • Hand-held grinding machine tool

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Embodiment Construction

[0013] The clamping device 100 shown in this figure comprises a grinding sheet carrier or a grinding plate 101 which carries all the parts of the clamping device 100 . The clamping device 100 has a front clamping device 102 and a rear clamping device 103 . These clamping devices 102 and 103 are respectively used for clamping and tensioning the front end and the rear end of a grinding disc. The front clamping device 102 is configured as an over-center sandpaper clamping device with a spring preload. The rear clamping device 103 is configured as a clamp.

[0014] An essential component of the clamping device 100 is the clamping bracket 104 . In this case, the rear part of the clamping bracket 104 is assigned to the rear clamping device 103 , while the front part of the clamping bracket 104 is assigned to the front clamping device 102 . The clamping bow 104 consists of a correspondingly bent single wire part.

[0015] The clamping bow 104 has two clamping arms 105 a and 105 b...

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Abstract

The invention relates to a hand-held grinding tool machine, in particular a superfinishing grinding machine, which has a grinding disc holder and clamps for holding the grinding disc fixedly on the grinding disc holder clamping devices, wherein these clamping devices comprise a clamping bow with two clamping arms connected by a transverse section, in order to be able to manufacture the clamping bow particularly simply, the transverse section and the two clamping arms are set in a plane.

Description

technical field [0001] The invention relates to a hand-held grinding machine tool, in particular a superfinishing machine, with a grinding disc holder and a clamping device for holding the grinding disc firmly on the grinding disc holder, The clamping devices here comprise a clamping bracket with two clamping arms connected by a transverse section. Background technique [0002] Hand-held grinding power tools are known from the prior art which are provided with an automatic rear tensioning system with a closed bow. [0003] In these known hand-held grinding power tools, however, the arc has a complex shape, so that the manufacture of the arc is expensive. In addition, the fixed clamping of the sandpaper on these known hand-held grinding machine tools always requires some handles, so here it is still desirable to operate more comfortably and save time. Contents of the invention [0004] According to the invention, a hand-held grinding tool is proposed with a grinding disc ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B23/00B24B23/04B24D15/02
CPCB24B23/04B24D15/023B24B23/02B24D9/085
Inventor 斯特芬·温施
Owner ROBERT BOSCH GMBH