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Circular saw blade

A technology of circular saws and knives, which is applied in the direction of knives, manufacturing tools, metal sawing equipment, etc. of sawing machines to prevent breakage and improve life expectancy

Inactive Publication Date: 2010-01-06
HILTI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage here is also that the entire saw blade must be replaced if a cutting element wears or breaks
Another disadvantage is that the saw blade can only run in one direction of rotation

Method used

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  • Circular saw blade
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] exist figure 1 and 2 The circular sawing tool 10 shown in and formed as a circular saw blade has a radially inner guide vane 11, a plurality of pivotable blade holders 14 are pivotable in a plane defined by the guide vane 11 ( indicated by the double arrow 31 at figure 1 and 2 Middle) is arranged on the outer region 12 of the circumference of the guide vane. The guide vane 11 can also be designed as a flange here, for example. In the exemplary embodiment shown, exactly twelve such pivoting blade seats 14 are arranged on the guide vane 11 . The pivoting blade holders 14 are here detachably arranged on the guide vane 11 via fastening elements 15 , which are designed, for example, as screws. Instead of screws, the fastening elements can also be designed as pins, wherein the insert holders 14 are then fixed axially on the pins via a common holding element, for example a plate or a cover.

[0015] Also arranged on the outer region 12 of the circumference of the guide v...

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PUM

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Abstract

The present invention relates to a circular saw blade (10) having a guide plate (11), a plurality of pendulum-like cutter carriers provided at a circumferential outer region (12) of the guide plate (11), and cutters (21, 22) provided at radially outer ends (17) of the cutter carriers (14), respectively, the cutter carriers (14) being secured at their radially inner ends remote from the cutters (21, 22) to the guide plate (11) with a plurality of fastening elements (15) for pivotal movement in a plane defined by the guide plate (11).

Description

technical field [0001] The invention relates to a circular sawing tool of the type stated in the preamble of claim 1 . Background technique [0002] From DE 2031848 A1 a circular sawing tool in the form of a circular saw blade is known, on whose outer circumference cutting teeth are rigidly arranged. The cutting teeth are designed in such a way that the circular saw blade can be used in both directions of rotation. [0003] However, this circular saw blade has the disadvantage that if one or more cutting teeth are damaged or broken off, the entire circular saw blade must be replaced. [0004] Another circular saw blade is known from DE 32 40 100 A1, in which a large number of blade strips or blade holders are arranged on a guide vane along with the cutting teeth thereon on the circumference. The individual blade strips are here fixedly arranged on the guide vanes by soldering or welding. [0005] Here too, it is disadvantageous that the entire saw blade must be replaced i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D61/02
CPCB28D1/181B28D1/122B23D61/023Y10T83/9372
Inventor V·海因里希斯J·斯滕弗胡贝尔
Owner HILTI AG