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Circular saw with anti-splinter device

An anti-splash, circular saw technology, applied in circular saws, auxiliary saw devices, woodworking safety devices, etc., can solve problems such as saw failures, reduce the anti-splash function of anti-splash structures, and achieve the effect of improving cutting quality.

Inactive Publication Date: 2011-10-12
BOSCH POWER TOOLS CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this situation, there is a danger of the saw blade touching the anti-splash structure, which can lead to saw failure
In order to avoid this contact, the gap must be widened, but this will reduce the anti-splash function of the anti-splash structure

Method used

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  • Circular saw with anti-splinter device
  • Circular saw with anti-splinter device
  • Circular saw with anti-splinter device

Examples

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Embodiment Construction

[0026] Preferred embodiments of a circular saw and its splash guard according to the present invention will now be described with reference to the accompanying drawings.

[0027] In this description, the term "workpiece" refers to any piece of cuttable material, such as wood, plastic material, glass, metal and the like.

[0028] Figure 1-3 A circular saw according to an embodiment of the invention is shown. The circular saw comprises a base plate 1 which has a substantially flat shape and thus defines a base plane. The substrate 1 will be placed on the surface of the workpiece for the cutting operation. Tilt bracket 12 is pivotally supported by base plate 1 , and housing 2 is pivotably supported by tilt bracket 12 via pivotable joint 5 . The housing 2 carries a rotary motor (not shown) and a circular saw blade 10 driven in rotation by the motor. The saw-out section of the saw blade 10 that is to cut into the workpiece extends through the elongated opening 8 formed in the ...

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PUM

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Abstract

A circular saw comprises a base plate defining a base plane, a bevel bracket which supports a circular saw blade and is pivotally mounted on the base plate for tilting the blade, the bevel bracket having a pivoting axis (X) which is parallel to the base plane and the blade and perpendicular to a rotational axis of the blade, and the blade partly extending through an opening forming in the base plate, and an anti-splinter device for preventing cutting chips from splintering. The anti-splinter device comprises a pair of slides mounted in the opening and forming a gap between their opposing ends, an outcoming section of the blade passing through the gap, and slide driving means associated with the bevel bracket and driving the slides to move in conformity with the tilting of the blade to allow the gap to accommodate the positional change of the outcoming section of the blade.

Description

technical field [0001] The present invention relates to a circular saw having an improved anti-splash arrangement for preventing flying chips during operation of the saw. Background technique [0002] Chip splashing occurs during operation of a circular saw. As the saw blade cuts a workpiece, chips from the workpiece will be engaged by the blade and splashed from the workpiece. Due to the direction of rotation of the saw blade, the flying chips will fly towards the operator and may sometimes cause injury to the operator. [0003] Currently, there are structures on the market that prevent chips from splashing on circular saws. One solution is a fixed splash guard that forms a void through which the saw blade travels. This narrow gap prevents chips from flying between the saw blade and the anti-splash structure. The anti-splash structure is effective for straight cutting operations where the saw blade is in a normal vertical orientation. However, when the saw is used for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27G19/02
CPCB27B9/04B27G19/10
Inventor 甄波王爱贵
Owner BOSCH POWER TOOLS CHINA
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