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Sealing contraction of gear case

A technology of sealing structure and gear box, which is applied in the direction of manufacturing tools, metal processing, sawing equipment, etc., can solve the problems of downward flow of grease oil and insufficient lubrication, and achieve the effect of increasing the cutting volume

Inactive Publication Date: 2010-06-16
MAKITA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, with the prior art described above, since the gear case for accommodating the multi-stage gear set is to be elongated in the vertical direction, there is a problem that the grease oil for lubricating the gear set contained in the gear box will flow toward the Downward flow, resulting in insufficient lubrication to the upper side

Method used

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  • Sealing contraction of gear case
  • Sealing contraction of gear case
  • Sealing contraction of gear case

Examples

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Embodiment Construction

[0025] Below, refer to Figure 1 to Figure 5 Specific embodiments of the present invention will be described. figure 1 The whole desktop cutting machine 1 which has the sealing structure of this embodiment is shown. In the present embodiment, a so-called sliding table cutter is exemplified as the table cutter 1 . figure 1 In , the user operates the desktop cutting machine 1 on the right side of the figure. In the following description, the side closer to the user ( figure 1 the middle right side) as the front side, and the side away from the user ( figure 1 middle left) as the rear side. In addition, if figure 2 As shown, left and right are based on the user, when the user stands in front of the desktop cutting machine 1 .

[0026] The desktop cutting machine 1 has: a workbench 2 for supporting the pieces W1 and W2 to be cut; a base 3 supporting the workbench 2 in a horizontally rotatable state; Fuselage supporting part 5 on platform 2. The table 2 is supported on the...

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PUM

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Abstract

One aspect according to the present invention includes a cutting unit for a cutting device. The cutting unit has a gear chamber. A partitioning member can partition the gear chamber at a midpoint of a transmission path of rotation of a gear train from an electric motor to a spindle.

Description

technical field [0001] The present invention relates to a sealing structure of a gear box housing a gear set for outputting an electric motor as a drive source, for example, in a table cutter or a portable cutter with a circular rotary cutter. The rotational drive force is decelerated and output. Background technique [0002] For example, a desktop cutting machine has: a workbench for placing pieces to be cut; a cutting machine body supported by the workbench and capable of moving up and down relative to the workbench. As far as the desktop cutting machine is concerned, the cutting process is carried out by making the cutting machine body swing down and allowing the rotary knife to cut into the piece to be cut. [0003] The portable cutting machine has a structure that has a base that is placed on the upper surface of a piece to be cut, a cutter body that is supported by the upper surface of the base, and a lower portion of the rotary cutter protruding toward the lower surf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D1/14B26D5/08
CPCB23D47/126B23D45/048Y10T83/7788Y10T83/7697Y10T83/8789
Inventor 可儿利之三浦政彦
Owner MAKITA CORP
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