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Power tool

A technology of power tools and driving sources, which is applied in the direction of manufacturing tools, metal processing equipment, grinding machines, etc., and can solve problems such as reduced grinding performance, broken pillars, and shortened maintenance cycles

Inactive Publication Date: 2013-10-23
KOKI HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the respective posts deteriorate due to long-term use of power tools, in some cases, fractures occur on the respective posts, which necessitates maintenance such as replacement
Especially, in the case where the power tool is frequently used in a place where the ambient temperature is low, not only is the damage of each post accelerated to shorten the maintenance period, but also each post becomes hard and difficult to elastically deform
As a result, the operating resistance of the base is increased, which can cause problems with reduced grinding performance

Method used

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Experimental program
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Embodiment Construction

[0018] Hereinafter, a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0019] figure 1 is a perspective view showing an orbital sander according to a first embodiment of the present invention, figure 2 From figure 1 A partial sectional view of the orbital sander taken along the longitudinal direction of the orbital sander viewed from the side of the middle arrow A, image 3 is shown enlarged figure 2 a partial cross-sectional view of part B surrounded by the dashed line, and Figure 4A and 4B It is an operation explanatory diagram for explaining the operation state of the leg.

[0020] Such as figure 1 and figure 2 As shown, an orbital sander 10 as a power tool is provided with a sander body 20 and a base 30 . The sander main body 20 is provided with a left side portion and a right side portion ( figure 1 The housing 21 of the distal part and the proximal part of the middle), the housing 21 is form...

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Abstract

A first recess and protrusion engagement portion and a second recess and protrusion engagement portion making a fan guide and one end portion of a leg swingably abut on each other and making a base plate and the other end portion of the leg swingably abut on each other, respectively, and restricting a deviation of the leg relative to the fan guide and the base plate in a horizontal direction while allowing swinging of the leg relative to the fan guide and the base are provided between the fan guide and the one end portion and between the base plate and the other end portion, respectively. The leg can swing with almost no resistance without involving any elastic deformation during the orbital motion of the base, and stress to cause elastic deformation is not applied to the leg unlike the conventional art.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Japanese Patent Application No. 2012-074260 filed on Mar. 28, 2012, the contents of which are hereby incorporated by reference into this application. technical field [0003] The present invention relates to a power tool provided with a main body portion having a drive source, a rotary shaft provided in the drive source, and a base that moves in a horizontal direction relative to the main body portion in an approximately circular motion with rotation of the rotary shaft, and Power tools perform abrasive work using a polishing pad held by a base. Background technique [0004] Conventionally, a power tool is used to effectively grind and smooth the surface of wood, etc., and the power tool includes a so-called orbital sander provided with a main body portion having a driving source, a rotating shaft provided in the driving source, and a The rotation of the shaft (performing an orbit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B23/04
CPCB24B23/04
Inventor 田所直树
Owner KOKI HLDG CO LTD