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Cutting tool

A technology for cutting tools and cutting parts, which is applied in the direction of manufacturing tools, wood processing equipment, sawing equipment, etc., can solve the problems such as the adverse effects of driving motors, and achieve the effect of suppressing the increase in manufacturing costs

Inactive Publication Date: 2012-11-28
MAKITA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the outer case installed outside the reciprocating motion conversion mechanism is extended to the outside of the drive motor. In this way, the cutting powder (chips) that enters between the mechanism housing case and the outer case easily enters the constituent parts of the drive motor, thereby affecting The drive motor is adversely affected

Method used

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Examples

Experimental program
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Embodiment Construction

[0045] The specific embodiments of the cutting tool of the present invention will be described below with reference to the drawings.

[0046] figure 1 This is a side view showing the appearance of the cutting tool 10 viewed from the side. figure 2 It is a cross-sectional view of the cutting tool 10 seen from the cross section in a half-sectional state. image 3 For the edge figure 1 A cross-sectional view of the cutting tool 10 along the line III-III. Figure 4 This is an enlarged side view of the housing 45 for the mechanism.

[0047] figure 1 versus figure 2 The cutting tool 10 shown is generally called a reciprocating saw, which is a tool for cutting wood and other pieces to be cut. The cutting tool 10 has a tool body 100. The tool body 100 has a built-in drive motor 30 and a reciprocating motion conversion mechanism 40. The reciprocating motion conversion mechanism 40 converts the drive of the driving motor 30 into a reciprocating motion. In addition, the tool body 100 is moun...

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PUM

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Abstract

The present invention provides a cutting tool capable of extending an outer housing that receives a drive conversion mechanism to form outside a drive motor, and capable of preventing dust from entering into components of the drive motor. A periphery of a mechanism accommodation housing (45) is provided with the outer housing (11), the outer housing is extended along a front-back direction and receives the drive conversion mechanism (40) and the drive motor (30). A dust entering limiting structure (60) used for limiting the dust from entering into the drive motor from a front end side of the drive conversion mechanism is arranged between the mechanism accommodation housing and the outer housing. The dust entering limiting structure has a first support rib (63) protruded from an internal peripheral surface (115) of the outer housing (11) towards the mechanism accommodation housing, the first support rib is contacted with an external peripheral surface (451) of the mechanism accommodation housing, so as to seal a gap between the internal peripheral surface of the outer housing and the external peripheral surface of the mechanism accommodation housing.

Description

Technical field [0001] The invention relates to a cutting tool. The cutting tool houses a drive motor and a drive conversion mechanism. The drive conversion mechanism converts the drive of the drive motor into a drive different from the drive. The converted drive pair is installed in the drive conversion mechanism. The cutting tool at the front end is driven to cut the cut piece. Background technique [0002] In the prior art, there is known a cutting tool generally called a reciprocating saw for cutting wood and other cut pieces. Such a cutting tool mainly houses a driving motor and a reciprocating motion conversion mechanism that converts the driving force of the driving motor into a reciprocating driving force. The reciprocating motion conversion mechanism is provided on the output side of the drive motor, that is, on the front side of the drive motor. In addition, a blade (cutting knife) is installed at the front end of the reciprocating motion conversion mechanism. The bla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D49/16B27B19/00B25F5/00
CPCB23D51/00B23D59/006B23D49/162
Inventor 小仓靖史
Owner MAKITA CORP
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