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Circular saw

A technology of circular saws and saw blades, which is applied in the field of circular saws and can solve the problems of reducing the maximum sawing depth, etc.

Inactive Publication Date: 2014-09-03
BOSCH POWER TOOLS CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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] A circular saw according to a possible embodiment of the present application will be described below with reference to the accompanying drawings.

[0036] The circular saw involved in this application can cut various workpieces. Here, "workpiece" refers to any block or plate-like sawable material, such as wood, plastic, glass, metal, and the like.

[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 figures, the base 5 is in the form of a generally rectangular plate with a generally flat lower surface. Of course, bases of other shapes are also feasible. In the rail type circular saw, the base 5 is mounted on the rail.

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

[0039] The circular saw also incl...

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Abstract

A circular saw comprises a base, a rotary saw web and a saw web adjusting device, wherein the saw web adjusting device comprises a front support, a rear support and a saw web adjusting rack bearing the saw web, the front support and the rear support are fixed on the base, the front support and the rear support are respectively provided with a guide groove, the saw web adjusting rack is provided with guide pillars inserted into the corresponding guide grooves, and the guide pillars can slide along the guide grooves to enable the saw web to pivot around a longitudinal pivoting axis between a perpendicular saw-cutting position perpendicular to the base and a maximum inclining saw-cutting position inclining by the maximum angle relative to the base; the guide grooves are designed to enable the distance between the center of the saw web and the longitudinal pivoting axis to be increased during the pivoting of the saw web from the perpendicular saw-cutting position to the inclining saw-cutting position; during inclining of the saw web, collision between a relevant element and the surface of a workpiece can not occur, and the maximum saw-cutting depth of the saw web in the perpendicular position is not affected.

Description

technical field [0001] The present application relates to a circular saw having an improved saw blade adjustment. Background technique [0002] Various circular saws exist for sawing workpieces or materials. Many circular saws have a blade adjustment feature. Specifically, the blade guard is supported by a blade adjustment frame extending fore and aft, which is pivotable about a pivot axis, thereby adjusting the angle of inclination of the saw blade relative to the base of the circular saw, and thereby Determine the cutting angle of the saw blade. [0003] At present, there are mainly two ways to set the above-mentioned pivoting axis in the circular saw, which are schematically depicted in figure 1 , 2 , wherein the saw blade 1 is fastened on a drive shaft (not shown) by outside fasteners such as a washer 2 and a fastening screw 3 , and is rotatable around its central axis 4 . The lower surface of the base 5 defines a working surface 6 adapted to bear against the surfac...

Claims

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Application Information

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