JP2016203560A - Saw and spare blade for saw - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a saw and a spare blade for a saw capable of cutting a material to be cut, and efficiently and stably cutting a pencil with safety.SOLUTION: A saw comprises: a saw handle 10 which is gripped by a user; and a saw plate 20 coupled to one end of the saw handle 10. The saw plate 20 comprises: a saw blade 22 formed on the saw handle 10 side with a margin part 21; and a cutting part 23 formed on the margin part 21 and can cut a pencil. The cutting part 23 is formed closer to the saw handle 10 side on the margin part 21.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a saw and a replacement blade for a saw, and more specifically, can cut a material to be cut such as wood (hereinafter referred to as “the material to be cut”), and also inscribes the material to be cut. The present invention relates to a saw and a replacement blade for a saw that can also sharpen a pencil (hereinafter referred to as a “pencil”).

  When a user (a person who cuts the material to be cut; the same shall apply hereinafter) is used to mark the material to be cut using a pencil, if the pencil lead is not exposed, the user can mark the material to be cut. In order to make it easier to perform, it is necessary to expose the pencil lead by sharpening the pencil and sharpen the tip of the lead (pencil cutting operation).

  At this time, in order to sharpen the pencil efficiently (quickly and cleanly), it is usually necessary to use a cutter knife or the like instead of a saw blade (since the shape of the saw blade, the pencil sharpens the pencil efficiently) In conventional saws, only one saw blade for cutting the material to be cut is formed on one side or both sides in the longitudinal direction of the saw plate. Other types of blades (cutter blades) Etc.) is not formed, so each time a user sharpens a pencil during the cutting work of a material to be cut using a conventional saw, the saw is changed to another blade (cutter knife, etc.). You have to change it.

  That is, in the conventional saw, only the saw blade (one kind of blade) that cannot efficiently sharpen the pencil is formed, and the cutter blade that can efficiently sharpen the pencil is not formed. The user cannot perform both the cutting work of the workpiece and the cutting operation of the pencil with a single saw (conventional saw), and as a result, the entire cutting operation of the workpiece is inefficient. There was a problem.

  Here, although not related to the saw, as a saw blade and other types of blades are formed, a sickle body that is a unitary structure of the blade body portion and the support portion is formed in a flat inverted L shape, A sickle blade crossing part is formed in the lateral direction inside the upper blade body part, and a hook blade crossing part perpendicular to the projection part is provided at the back rear end of the blade body part, and the support part extending downward from the blade body part is provided. A saw blade is provided at an appropriate position that is vertical on the inner side, a curved grip screwed portion is formed at an appropriate position below the support portion, a plurality of screw holes are formed in the curved grip screwed portion, and a hand grip is formed. A sickle-body-integrated grass-cutting sickle characterized by being screwed is known (see Patent Document 1).

  The sickle body-integrated mowing sickle described in Patent Document 1 forms a sickle blade crossing portion in the lateral direction inside the upper blade body portion, and a saddle blade crossing that is perpendicular to the protrusion at the rear rear end of the blade body portion. Since the saw blade is provided at an appropriate position that is perpendicular to the inside of the support portion extending downward from the blade body portion, efficient use corresponding to the situation of the cutting operation is possible.

JP 2007-159555 A

  However, in the sickle body integrated grass cutting sickle described in Patent Document 1, a saw blade and other types of blades are formed, but a sickle blade that seems to be able to sharpen a pencil efficiently (sickle blade crossing) Part) and scissors blade (sword blade crossing part) are provided on the inner side of the upper blade body part and the back rear end of the blade body part, both of which are located away from the grip grip Therefore, the user cannot use this to efficiently and stably sharpen the pencil.

  That is, in order to expose the pencil lead and sharpen the tip of the lead efficiently and stably, it is necessary to delicately operate the blade (necessary to move the blade small and sharpen the pencil), these Both the sickle blade and the scissors blade are located away from the grip hand grip, and even if the user tries to sharpen the pencil with the sickle blade or scissors blade while gripping the grip hand grip, Since the sickle blade or scissors blade is moved greatly by moving the grip grip slightly, the user cannot delicately operate the sickle blade or scissors blade with respect to the pencil. The tip of the pencil lead cannot be sharpened (shaved) efficiently and stably (because it is difficult to move these sickle blades or scissors blades small while gripping the grip hand grip). Described in 1 In sickle body integral mowing sickle and are, it can only be cut to roughly the pencil).

  In addition, in order to delicately operate the sickle body integrated mowing sickle described in Patent Document 1, it is conceivable to grip the vicinity of the upper portion of the blade body portion and sharpen the pencil. Since the body-integrated mowing sickle has a plurality of blades (a sickle blade, a scissors blade, and a saw blade) near the upper part of the blade body portion, when the pencil is sharpened in this way, the user holds the finger. There is a risk of cutting, and the pencil cannot be safely cut.

  Therefore, the present invention has been made in view of the above points, and includes a saw and a replacement blade for a saw that can cut a material to be cut and can efficiently and stably sharpen a pencil. It is intended to provide.

  The saw according to the first aspect of the present invention includes a saw handle for gripping by a user and a saw plate coupled to one end of the saw handle, and the saw plate includes a saw handle on a longitudinal side. It has a saw blade formed leaving a margin part on the handle side, and a blade part formed on the margin part capable of sharpening a pencil.

  A saw according to a second aspect of the present invention is the saw according to the first aspect of the present invention, wherein the blade portion is further formed on the saw handle side in the margin.

  A saw according to a third aspect of the invention is the saw according to the first or second aspect of the invention, characterized in that the margin part where the blade part is formed is formed in a concave shape. .

  The replacement blade for a saw according to the invention of claim 4 includes a saw plate that can be connected to one end of a saw handle for gripping by a user, and the saw plate includes the saw handle on a longitudinal side. It has the saw blade formed leaving the room part on the side to be connected, and the blade part formed on the room part that can sharpen the pencil.

  The invention according to claim 1 is a saw blade formed on the side in the longitudinal direction of the saw plate leaving a margin portion on the saw handle side, and a blade portion formed on the margin portion capable of sharpening a pencil. Therefore, the user can cut the material to be cut with one blade (saw according to the present invention) and can efficiently and stably sharpen the pencil. That is, in the present invention, the blade portion that can sharpen the pencil is formed in the blank portion formed on the saw blade side (the distance between the blade portion and the saw blade is close), and the user can When cutting a pencil with the blade while holding the saw handle, it is possible to easily operate the blade portion according to the movement of the saw handle (the blade portion is delicately operated with respect to the pencil). It is possible to sharpen (shave) the tip of the pencil lead efficiently and stably.

  In the invention according to claim 2, since the blade portion is formed on the saw blade side in the margin portion, the user can more easily cut the pencil with the blade portion while holding the saw blade. The blade can be easily operated according to the movement of the saw pattern.

  In the third aspect of the present invention, since the blank portion where the blade portion is formed is formed in a concave shape, the user can move his / her finger or the like with the blade portion during the cutting operation of the material to be cut. Cutting can be prevented.

  According to a fourth aspect of the present invention, a saw blade is formed on the side of the saw blade in the longitudinal direction, leaving a margin on the side connected to the saw handle, and a pencil can be sharpened on the margin. Since a simple blade portion is formed, in the present invention, it is possible to provide a replacement blade for a saw that can perform both a cutting operation of a material to be cut and a cutting operation of a pencil.

It is a right view of the saw which concerns on Example 1 of this invention. It is a right view showing the modification of the saw which concerns on Example 1 of this invention. It is a right view showing the modification of the saw which concerns on Example 1 of this invention. It is a right view showing the modification of the saw which concerns on Example 1 of this invention (The example deform | transformed as a replacement blade for saws).

  Hereinafter, the details of the present invention will be described with reference to the drawings.

  First, the form of the saw 100 according to the first embodiment of the present invention will be described with reference to FIG.

  FIG. 1 is a right side view of a saw according to Embodiment 1 of the present invention.

  As shown in FIG. 1, the saw 100 includes a saw handle 10 and a saw plate 20.

[Saw handle 10]
As shown in FIG. 1, the saw handle 10 has a rod shape, and is formed in a circular shape in a sectional view (not shown). One end of the saw handle 10 is connected to one end of a saw plate 20 which will be described later, and the user can operate the saw 100 by gripping the saw handle 10 (the saw 100 is removed). It is possible to operate and perform a cutting work of a material to be cut and a cutting work of a pencil (this will be described later).

  The length of the saw handle 10 in the longitudinal direction is approximately 230 mm, and the outer diameter is approximately 20 mm. The saw handle 10 can be formed of, for example, wood, plastic, or the like.

[Saw plate 20]
As shown in FIG. 1, the saw plate 20 has a plate shape and is formed in a rectangular shape in a side view. A saw blade 22 is formed on one side of the saw plate 20 in the longitudinal direction, leaving a margin 21 on the side of the saw handle 10, and a blade 23 capable of shaving a pencil is formed in the margin 21. (The blade portion 23 is formed in the vicinity of the saw handle 10, that is, in the margin portion 21, closer to the saw handle 10). As described above, one end of the saw plate 20 is connected to one end of the saw handle 10.

  The length of the saw plate 20 in the longitudinal direction is approximately 210 mm, the length in the lateral direction is approximately 40 mm, and the thickness is approximately 5 mm. The blade span of the saw blade 22 is approximately 170 mm, the margin portion 21 is approximately 40 mm long, and the blade portion 23 is approximately 20 mm long. The saw plate 20, the saw blade 22, and the blade portion 23 can be formed of steel or the like, for example.

  Next, the usage method of the saw 100 which concerns on Example 1 of this invention is demonstrated using FIG. Here, first, after explaining the flow of cutting work of the material to be cut, a method of using the saw 100 according to the first embodiment of the present invention will be described.

[Flow of cutting work to be cut]
First, the user marks a portion to be cut on the material to be cut using a pencil. And a user starts the cutting | disconnection work of a to-be-cut material according to the marking part. At this time, the user grasps the saw handle 10 and operates the saw 100 to cut the workpiece by the saw blade 22. In this way, the cutting work of the material to be cut is performed in a flow (step) of cutting the material to be cut from marking the material to be cut.

[Method of using the present invention]
In the process of cutting the material to be cut, when the user marks the material to be cut, if the pencil lead is not exposed, the user can clearly mark the material to be cut. Can not do. Therefore, in this case, the user performs a pencil cutting operation with the blade portion 23 of the saw 100 in order to clearly mark the workpiece.

  Specifically, the user first holds the saw handle 10 with one hand, holds the pencil with the other hand, moves the blade portion 23 along the tip of the pencil, and operates the saw handle 10 (saw handle). 10), the pencil is sharpened by the blade portion 23, the pencil lead is exposed, and the tip of the lead is sharpened.

  At this time, the blade portion 23 is formed closer to the saw handle 10 in the vicinity of the saw handle 10, that is, the blank portion 21, and the distance between the blade portion 23 and the saw handle 10 is close. A person can easily operate the blade portion 23 in accordance with the movement of the saw handle 10. Therefore, since the user can delicately operate the blade portion 23 with respect to the pencil, the tip of the pencil lead can be sharpened (shave) efficiently and stably.

  Thus, in the present invention, the saw blade 22 formed on the one side in the longitudinal direction of the saw plate 20 leaving the margin 21 on the saw handle 10 side, and the pencil formed on the margin 21 are provided. Since it has the blade part 23 which can be shaved, while a user can cut | disconnect a to-be-cut material with one blade (saw 100 which concerns on this invention), a pencil is efficiently and safely and stably. And can be shaved. In addition, since the blade part 23 can also cut | disconnect the water thread stretched between several timber etc., if it uses this invention, the operation | work in a construction site will become more efficient.

  In this embodiment, the saw 100 (the saw handle 10 and the saw plate 20 (including the blank portion 21, the saw blade 22 and the blade portion 23)) is formed with the above dimensions, but depending on the situation, These can also be formed in other dimensions (larger or smaller).

  In this embodiment, the saw blade 22 is formed on one side of the saw blade 20 in the longitudinal direction, leaving the margin 21 on the saw handle 10 side. Can also be formed on the other side in the longitudinal direction (that is, the saw blades 22 are formed on both sides in the longitudinal direction of the saw plate 20). At this time, the saw blade 22 may be formed on the other side in the longitudinal direction of the saw plate 20 while leaving the margin 21 on the saw handle 10 side, and the blade 23 may be formed on the margin 21 ( The blank portion 21 and the blade portion 23 are formed on both sides in the longitudinal direction of the saw plate 20).

  At this time, the saw blade 22 may be formed over the entire length of the other side in the longitudinal direction of the saw plate 20 (that is, on the other side in the longitudinal direction of the saw plate 20, the margin portion 21 and the blade Part 23 is not formed). Even if the saw blade 22 is formed in this way, the blade portion 23 is still formed on one side in the longitudinal direction of the saw plate 20 (the blade formed in the blank portion 21). Part 23), the user can cut the material to be cut with one blade (the saw 100 according to the present invention), and can efficiently and stably sharpen the pencil.

  Further, in this embodiment, the blade portion 23 is formed near the saw handle 10 in the vicinity of the saw handle 10, that is, in the blank portion 21, but the user adjusts the movement of the saw handle 10. If the blade portion 23 can be easily operated, the length of the margin portion 21 is made longer, and the blade portion 23 is moved from the vicinity of the saw handle 10 to about 10 mm to 15 mm at the center of the saw plate 20. (The other end side of the saw blade 20 (the side not connected to one end of the saw handle 10)) may be formed.

  Further, in the present embodiment, the saw plate 20 and the margin 21 are formed as described above, but these can be modified as follows, for example. Hereinafter, only differences from the saw 100 according to the present embodiment will be described.

  FIG. 2 is a right side view illustrating a modified example of the saw according to the first embodiment of the present invention.

  As shown in FIG. 2, the saw 200 includes a saw handle 30 and a saw plate 40 (one end of the saw plate 40 is connected to one end of the saw handle 30). On the side, a saw blade 42 is formed leaving a margin 41 on the saw handle 30 side. A part of the margin 41 is formed in a concave shape (concave portion 44), and the concave portion 44 is formed with a blade portion 43 that can sharpen a pencil (that is, the blade portion 43 is formed). The marginal part 41 is formed in a concave shape).

  As described above, in the saw 200, the blank portion 41 where the blade portion 43 is formed is formed in a concave shape (concave portion 44), so that the user operates the saw 200 to operate the saw. While cutting the material to be cut by the blade 42, the possibility that the blade portion 43 touches the user's finger or the like is compared with the case where the blade portion 43 is formed on the same line as the saw blade 42. It will be dramatically reduced. Therefore, if the saw 200 is used, it is possible to prevent the user from cutting a finger or the like by the blade portion 43 during the cutting operation of the material to be cut.

  Furthermore, in the present embodiment, the saw plate 20 is formed in a rectangular shape in a side view, but it can also be formed in a knife shape in a side view (see FIG. 3). See saw plate 60 of saw 300).

  Finally, in the present embodiment, the embodiment of the saw 100 has been described. However, the saw plate 20 of the saw 100 can be configured as a replacement blade for a saw as follows, for example.

  FIG. 4 is a right side view showing a modification of the saw according to the first embodiment of the present invention (an example modified as a replacement blade for a saw).

  As shown in FIG. 4, the saw replacement blade 400 basically has the same structure as the saw plate 20 of the saw 100, but is connected to one end of the saw plate 80 (one end of the saw handle 70). On the side), a fitting convex portion 90 is formed. By fitting the fitting convex portion 90 into a fitting concave portion (not shown) formed at one end of the saw handle 70, the saw plate 80 ( The saw blade 400) and the saw handle 70 can be connected. In addition, about the method of connecting the saw plate 80 (saw blade 400 for saw) and the saw handle 70, other well-known connection methods can be used.

  Thereby, if the replacement blade 400 for saws is used, the replacement blade for saws which can perform both the cutting operation | work of a to-be-cut material and the cutting operation of a pencil can be provided. Of course, the saw plate 80, the margin 81, the saw blade 82, and the blade 83 of the saw blade 400 can be modified in the same manner as described above.

  Thus, it goes without saying that various modifications can be made in the present embodiment without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 10 Saw pattern 20 Saw plate 21 Spare part 22 Saw blade 23 Blade part 30 Saw pattern 40 Saw plate 41 Spare part 42 Saw blade 43 Blade part 44 Recessed part 50 Saw pattern 60 Saw plate 61 Spare part 62 Saw blade 63 Blade part 70 Saw Handle 80 Saw plate 81 Spacing part 82 Saw blade 83 Blade part 90 Fitting convex part 100 Saw 200 Saw 300 Saw 400 Saw replacement blade

Claims (4)

A saw handle for gripping by the user;
A saw plate connected to one end of the saw handle,
In the saw plate, a saw blade formed on the side in the longitudinal direction, leaving a margin on the saw handle side,
A saw having a blade portion capable of sharpening a pencil, which is formed in the blank portion.   The saw according to claim 1, wherein the blade portion is further formed on the saw pattern side in the margin.   The saw according to claim 1 or 2, wherein the margin portion where the blade portion is formed is formed in a concave shape. A saw plate that can be connected to one end of a saw handle for the user to hold,
The saw plate has a saw blade formed on the side in the longitudinal direction, leaving a margin on the side connected to the saw handle,
A saw blade having a blade portion capable of sharpening a pencil, which is formed in the blank portion.

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