Portable grinding machine

A grinding tool, portable technology, applied in the field of portable grinding tools, to achieve the effect of improving clamping reliability

Inactive Publication Date: 2010-09-01
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Edge-flush grinding with this system is only possible with the front edge of the grinding disc

Method used

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  • Portable grinding machine
  • Portable grinding machine

Examples

Experimental program
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Embodiment Construction

[0027] figure 1 A partial side view of a portable grinding tool 10 is shown. Its grinding disc 22 is visible in the region of its front edge 28 with a grinding blade 24 held thereon. The grinding disc 24 is wound along the underside of the grinding disc 22 and its front edge 28 and guided onto its upper side 26 . In this case, the grinding disc end 25 is placed on a pivot frame 34, wherein the end is first guided via the lever arm 36 close to the edge as far as its lever arm 38 facing away from the edge, and there it is guided in a transverse direction. A positively fitted clamping arm 49 in the groove 39 can be pressed into this transverse groove 39 with a non-illustrated friction-enhancing lining. Through the rotation of the rotary knob 43 and the axial downward movement of the rotary clamping rod 42 about its axis of rotation 44, the grinding disc end 25 is fixed against undesired loosening between the clamping arm 49 and the transverse groove 39 and through the The rota...

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PUM

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Abstract

A portable grinding tool (10) which has a grinding plate (22), a grinding sheet (24) is fixed on the lower side surface of the grinding plate and encloses grinding plate edges (28, 30) contrapositing with each other using its end (25), and two ends of the upper side surface of the grinding plate (22) are fixed by a clamping device which is close to edge and composes a swinging rack (34), it is possible to simplify as follows: the grinding sheet (24) is fixed by holding devices (38, 48, 49, 58) on region apart from edge by means of each grinding piece end (25), and can move upwards on region nearby the edge, thus to be tensioned.

Description

technical field [0001] The invention relates to a portable grinding tool. Background technique [0002] A portable grinding tool is known from DE 10139548 A1, which is provided with a system for clamping and tensioning a grinding disc held on the underside of its grinding disc. The system works very reliably and can be operated very well. It protrudes beyond the rear edge of the grinding disc and thus makes it more difficult to grind flush with the upper edge of the step and the like with the rear edge of the grinding disc. [0003] Edge-flush grinding with this system is only possible using the front edge of the grinding disc. [0004] According to US Pat. No. 6,648,08, a portable grinding tool consisting of an ultra-precision grinding machine is provided with a clamping lever in the form of a swing at the edge of the opposite grinding disc on the upper side of the grinding disc, by means of which the The ends of these grinding discs are fastened between the lever arm on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B23/00B24B23/04
CPCB24B23/04
Inventor 托马斯·德穆特
Owner ROBERT BOSCH GMBH
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