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Cutting tools

A cutting machine and locking mechanism technology, applied in sawing equipment, metal sawing equipment, sawing machine devices, etc., can solve problems such as poor operability, and achieve the effect of reliable switching between the locked state and the released state

Inactive Publication Date: 2009-09-02
MAKITA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, according to the above-mentioned conventional top dead center locking mechanism, although the lock release lever is arranged near the handle, in order to move the cutting machine main body at the upper waiting position downward, the operator must first hold the handle, While maintaining the grasped state, the above-mentioned lock release lever is released separately with the fingertips, and the operability is not good in this point.

Method used

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Experimental program
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Embodiment Construction

[0027] Below, based on Figure 1 to Figure 9 Embodiments of the present invention will be described. figure 1 It represents the cutting machine 1 which will be described below. In this embodiment, a desktop circular saw is illustrated as an example of a cutting machine. In addition, this embodiment is an embodiment characterized by the upper dead center locking mechanism 50 for locking the cutting machine main body 10 to the upper waiting position, and the basic structure of the cutting machine 1 does not particularly need to be changed. Hereinafter, the basic structure of the cutting machine 1 will be briefly described.

[0028] This cutting machine 1 has: a table 2 for placing a cutting piece (not shown); a base 3 that supports the table 2 in a horizontally rotatable manner; figure 1 The center is the right end part) the arm part 4 extending upward in an L-shape; the cutting machine main body 10 is supported by the front end of the arm part 4 via the support shaft 5 so th...

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PUM

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Abstract

The present invention relates to a cutting machine. In a desktop circular sawing machine having a cutting machine body that moves up and down relative to a table on which a cutting piece is placed, a lever for releasing the upper dead center lock of the cutting machine body is different from the conventional grip Compared with the operation of the handle part, it is necessary to unlock and release the lock separately, and the operation is cumbersome in this point. The present invention provides a top dead center locking mechanism having an unlock release lever with high operability. It has a structure in which a lock release lever (51) is provided along the grip portion (14a) of the handle portion (14), and the lock release lever (51) is grasped and released in response to the gripping motion of the grip portion (14a). Make the action rod (52) move in its axial direction, and make the locking rod engage or disengage from the locking hole.

Description

technical field [0001] The present invention relates to a cutting machine such as a desktop circular saw machine in which a cutting machine body is moved up and down to cut a cut piece placed on a table. Background technique [0002] For example, the above-mentioned desktop circular sawing machine has a table on which cutting pieces are placed, and a cutting machine body supported so as to be movable up and down with respect to the table, and the circular cutting blade rotated by rotating the cutting machine body downward (Sawtooth) is pressed on the cutting piece to carry out the cutting process. When the cutting process is completed or the cutting process is not performed, the cutter main body returns to the upper waiting position. [0003] In addition, the upper half circle of the cutter is accommodated in the sawtooth cavity, and the lower half circle is covered by an openable safety cover. Usually, the safety cover is opened and closed in conjunction with the vertical ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D47/00B23D45/04B27G19/02B27B5/29
CPCB23D45/042B23D59/002B27G19/02B27B5/29
Inventor 山村刚可儿利之
Owner MAKITA CORP