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circular saw

A technology of circular saw and saw blade, applied in the field of circular saw, can solve the problems of reducing the maximum cutting depth and the like

Inactive Publication Date: 2017-09-26
BOSCH POWER TOOLS CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this results in a reduction in the maximum depth of cut when the blade cuts vertically

Method used

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Embodiment Construction

[0035] Hereinafter, a circular saw according to a feasible embodiment of the present application will be described with reference to the drawings.

[0036] The circular saw involved in the present application can saw various workpieces. Here, "workpiece" refers to any block or plate sawnable material, such as wood, plastic, glass, metal, etc.

[0037] Such as Figure 4 As shown, the exemplary circular saw includes a base 5, which is preferably made of a strong and durable material such as metal. In the embodiment shown in the figure, the base 5 is in the form of a substantially rectangular plate with a substantially flat lower surface. Of course, other shapes of bases are also feasible. In the guide rail type circular saw, the base 5 is mounted on the guide rail.

[0038] The bottom surface of the base 5 or the guide rail (if any) defines a working surface 6 which abuts against the surface of the workpiece during a circular saw cutting operation.

[0039] The circular saw also incl...

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PUM

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Abstract

A circular saw includes: a base; a rotatable saw blade; and a saw blade adjustment device, which includes front and rear supports fixed on the base and a saw blade adjustment frame carrying the saw blade, the front and rear supports Guide slots are respectively provided, and the saw blade adjustment frame is provided with guide posts inserted into the corresponding guide slots, and the guide posts can slide along the guide slots so that the saw blade can rotate around a longitudinal pivot axis perpendicular to the base pivot between a vertical sawing position of the seat and a maximum inclined sawing position in which the base is tilted at a maximum angle; During pivoting of the oblique sawing position, the distance between the center of the saw blade and said longitudinal pivot axis increases. During tilting of the saw blade, no relevant elements touch the workpiece surface and the maximum cutting depth with the saw blade in the vertical position is not affected.

Description

Technical field [0001] The application relates to a circular saw with an improved saw blade adjusting device. Background technique [0002] There are various circular saws for sawing workpieces or materials. Many circular saws have a saw blade adjustment function. Specifically, the saw blade guard is supported by a saw blade adjusting frame extending forward and backward, which can pivot about a pivot axis, thereby adjusting the inclination angle of the saw blade relative to the circular saw base, and thereby Determine the cutting angle of the saw blade. [0003] At present, there are mainly two ways to set the pivot axis in the circular saw, which are schematically depicted in figure 1 , 2 Among them, the saw blade 1 is fastened to a drive shaft (not shown) by an outer fastener such as a washer 2 and a fastening screw 3, and is rotatable about its central axis 4. The lower surface of the base 5 defines a working surface 6 adapted to rest on the surface of the workpiece to be sa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D47/00B23Q15/14
Inventor 王爱贵甄波
Owner BOSCH POWER TOOLS CHINA
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