JP5116891B1 - Cutting tool - Google Patents

Abstract

The present invention provides a cutting tool that can uniformly process cutting and the like, and that can arbitrarily change a processing width such as a cutting width, and a blade interval changing mechanism used in the cutting tool.
A handy-type cutting tool 1A that can be used by a user with one hand, each having one cutter blade 6, the cutter blades 6 being provided adjacent to each other, and the cutter blade 6 Three or more cutter units 2 movable along the adjacent direction, and blade interval changing means 3 for changing all the intervals between the cutter blades 6 by the same amount simultaneously by moving the cutter unit 2 in the adjacent direction; The blade interval changing means 3 is characterized by being operable by a user.
[Selection] Figure 1

Description

The present invention, a handy type of cutting factory again and again about that you can use the user with one hand.

  As a handy type cutting tool that the user can use with one hand, for example, the one described in Patent Document 1 is known. This cutting tool includes three or more cutter blades adjacent to each other at equal intervals. According to this cutting tool, food or the like can be cut uniformly or cut with a cutting width corresponding to the interval between the cutter blades.

Japanese Utility Model Publication No. 62-93968

  However, since the above-mentioned conventional cutting tool cannot change the interval between the cutter blades, when it is desired to change the cutting width, it is necessary to use another cutting tool having a different interval between the cutter blades.

This invention is made | formed in view of the said situation, The place made into the subject is the cutting | disconnection which can process a cutting | disconnection etc. uniformly and can change processing widths, such as a cutting width, arbitrarily It is to provide an engineering tool.

In order to solve the above problems, a cutting tool according to the present invention is (1) a handy type cutting tool that a user can use with one hand, each having one cutter blade, and the cutter blades are mutually connected. Three or more cutter units that are provided adjacent to each other and movable along the adjacent direction of the cutter blade, and by moving the cutter unit in the adjacent direction, all the intervals between the cutter blades are simultaneously the same amount. A blade interval changing means for changing, and a guide means for guiding the cutter unit so as to be movable only in the adjacent direction , the blade interval changing means being operable by the user , the pitch of the thread or groove Is a rotatable screw body provided with a plurality of screw portions, and each pitch of the plurality of screw portions changes stepwise along the adjacent direction. The cutter unit is screwed, by the screw member by the user is rotated, characterized in that the cutter unit is moved to an adjacent direction along the screw member and the guide means.

In the cutting tool of (1) above , ( 2) the cutter unit has a first unit that is screwed into the screw portion and guided by the guide means, and a cutter blade, and is detachably attached to the first unit. Preferably, the second unit is provided.

In order to solve the above problems, the cutting tool according to the present invention is (3) a handy type cutting tool that can be used by a user with one hand, each having one cutter blade, and the cutter Three or more cutter units provided so that the blades are adjacent to each other and movable in the adjacent direction of the cutter blades, and moving the cutter unit in the adjacent direction, all between the cutter blades Blade interval changing means for simultaneously changing the interval of the cutter unit by the same amount, and guide means for guiding the cutter unit to be movable only in the adjacent direction, the blade interval changing means being operable by the user. A rotatable drum body provided with a plurality of spiral grooves, and the plurality of spiral grooves have an inclination angle in a state where the outer peripheral surface of the drum body is unfolded. Each one of the cutter units is engaged with the spiral groove, and the drum body is rotated by the user. It moves along the drum body and the guide means in the adjacent direction.

According to the present invention, it is possible to provide a uniform can be processed such as cutting, and cutting Engineering tool machining width of the cut width and the like can be arbitrarily changed.

It is a perspective view of the cutting tool concerning a 1st embodiment of the present invention. It is a top view (housing not shown) of the cutting tool concerning a 1st embodiment of the present invention, (A) shows the narrowest state and (B) shows the widest state. It is a top view of the blade space | interval change means in 1st Embodiment of this invention. It is a perspective view of the cutting tool which concerns on 2nd Embodiment of this invention. It is a top view (housing not shown) of the cutting tool which concerns on 2nd Embodiment of this invention, Comprising: (A) shows the narrowest state, (B) shows the widest state. It is a perspective view of the cutting tool which concerns on 3rd Embodiment of this invention. It is a top view of the blade space | interval change means in 3rd Embodiment of this invention. It is a top view (housing not shown) of the cutting tool which concerns on 3rd Embodiment of this invention, Comprising: (A) shows the narrowest state, (B) shows the widest state. It is a perspective view of the cutting tool which concerns on 4th Embodiment of this invention. It is a top view (housing not shown) of the cutting tool which concerns on 4th Embodiment of this invention, Comprising: (A) shows the narrowest state, (B) shows the widest state. It is a top view of the cutting tool concerning a 5th embodiment of the present invention, and (A) shows the narrowest state and (B) shows the widest state. It is a top view (housing not shown) of the cutting tool which concerns on 5th Embodiment of this invention, Comprising: (A) shows the narrowest state, (B) shows the widest state. It is a perspective view of the cutting tool which concerns on 6th Embodiment of this invention. It is a side view of the cutting tool concerning a 6th embodiment of the present invention, and (A) shows the widest state and (B) shows the narrowest state.

  Hereinafter, preferred embodiments of a cutting tool and a blade interval changing mechanism according to the present invention will be described with reference to the accompanying drawings. In addition, although the cutting tool of each embodiment is for opening a plurality of one-pumps simultaneously, it can be used for other purposes.

[First Embodiment]
FIG. 1 shows a cutting tool 1A according to the first embodiment of the present invention. As shown in the figure, the cutting tool 1A according to the present embodiment is a handy type that the user can use with one hand, and there are three or more (six in the present embodiment) cutter units 2, The blade interval changing means 3, the guide means 4, and the housing 5 are provided.

  In the present embodiment, a blade interval changing mechanism is configured by the cutter unit 2 in a state where the cutter blade 6 is not attached, the blade interval changing means 3 and the guide means 4.

  The six cutter units 2 each have one cutter blade 6 at the tip, are provided so that the cutter blades 6 are adjacent to each other, and the cutter blades 6 are adjacent to each other (hereinafter referred to as “adjacent direction”). It is configured to be movable along.

  As shown in FIG. 2, the guide means 4 is configured to move the cutter unit 2 only in the adjacent direction. Specifically, the guide means 4 is a metal bar that penetrates the six cutter units 2 and extends in the adjacent direction, and two guide means 4 are provided in parallel with the blade interval changing means 3 interposed therebetween.

  Referring to FIG. 1 again, the housing 5 includes a side plate on one side to which one end of the guide means 4 is attached, a side plate on the other side to which the other end of the guide means 4 is attached, and a cutter blade of the cutter unit 2. 6 and a top plate that covers the opposite surface. The top plate is provided with a through hole, and the user can rotate the dial portion 3g of the blade interval changing means 3 described later from the through hole.

  As shown in FIG. 3, the blade interval changing means 3 is a rotatable screw body provided with a plurality of screw portions 3a to 3f having different thread pitches and a dial portion 3g. Each pitch of the plurality of screw portions 3a to 3f changes stepwise along the adjacent direction. Specifically, the pitch of the screw part 3a, the pitch of the screw part 3b, and the pitch of the screw part 3c are configured in a ratio of 5: 3: 1 (odd ratio), and the pitch of the screw part 3f and the screw part 3e The pitch and the pitch of the screw part 3d are also configured at a ratio of 5: 3: 1 (odd ratio) (in this embodiment, the pitch of the screw part 3a and the screw part 3f is 7.5 mm, the screw part 3b and the screw part) The pitch of 3e is 4.5 mm, and the pitch of the screw part 3c and the screw part 3d is 1.5 mm). In addition, the screw portions 3a to 3c and the screw portions 3d to 3f are reverse in thread direction.

  Further, the cutter unit 2 is provided with a thread groove corresponding to the above thread, and each of the cutter units 2 is screwed into each of the screw portions 3a to 3f. In this embodiment, the blade interval changing means 3 is provided with a screw thread and the cutter unit 2 is provided with a screw groove, but the blade interval changing means 3 is provided with a screw groove and the cutter unit 2 is provided with a screw thread. Also good.

  The cutter unit 2 moves in the adjacent direction along the blade interval changing means 3 and the guide means 4 when the dial portion 3g is rotated by the user. The moving distance of the cutter unit 2 increases as the pitch of the screw portions 3a to 3f increases, and the moving direction is determined by the direction of the screw thread.

  In the cutting tool 1A according to the present embodiment, the moving distance of the cutter units 2 at both ends screwed to the screw portion 3a and the screw portion 3f is the longest, and the center cutter screwed to the screw portion 3c and the screw portion 3d is used. Since the pitch of the plurality of screw portions 3a to 3f and the direction of the screw thread are defined so that the moving distance of the unit 2 is the shortest, all the intervals between the cutter blades 6 can be changed by the same amount at the same time. it can.

  Further, in the cutting tool 1A according to this embodiment, the user sets the dial portion 3g to 3 from the state where the interval between the cutter blades 6 shown in FIG. 2A is the narrowest (hereinafter referred to as “the narrowest state”). By rotating, the state between the cutter blades 6 shown in FIG. 2B becomes the widest state (hereinafter referred to as “the widest state”). At this time, all the intervals between the cutter blades 6 are changed from w (w = 14 mm in the present embodiment) to w ′ (w ′ = 23 mm in the present embodiment). On the other hand, when the dial portion 3g is rotated three times in the reverse direction from the widest state, the narrowest state is obtained, and all the intervals between the cutter blades 6 are changed from w 'to w.

  That is, in the cutting tool 1A according to the present embodiment, the user can change all the intervals between the cutter blades 6 at the same time from w to w 'by rotating the dial portion 3g. Therefore, according to 1A of cutting tools which concern on this embodiment, it can cut | disconnect uniformly with the cutting width according to the space | interval between the cutter blades 6, and can change a cutting width arbitrarily.

[Second Embodiment]
FIG. 4 shows a cutting tool 1B according to the second embodiment of the present invention. As shown in the figure, the cutting tool 1B according to the present embodiment includes six cutter units 9 including a first unit 7 and a second unit 8, and an opening is provided in the top plate. The points other than the provision of the housing 10 are generally the same as those of the cutting tool 1A according to the first embodiment.

  In the present embodiment, a blade interval changing mechanism is constituted by the cutter unit 9 in which the cutter blade 6 is not attached, the blade interval changing means 3 and the guide means 4.

  The first unit 7 is configured to be guided only in the adjacent direction by the guide means 4. Further, the first unit 7 is provided with a thread groove corresponding to the thread of the blade interval changing means 3, and each of the screw portions 3 a to 3 f of the blade interval changing means 3 has one first unit 7. Are screwed together.

  The second unit 8 has one cutter blade 6 attached to the tip thereof, and is configured to be detachably attached to the first unit 7 from an opening provided in the housing 10.

  For this reason, in the cutting tool 1B according to the present embodiment, the replacement work of the cutter blade 6 is performed by removing the second unit 8 to which the old cutter blade 6 requiring replacement is removed from the first unit 7 and removing it. The procedure is performed by removing the old cutter blade 6 from the second unit 8, attaching a new cutter blade 6 to the second unit 8, and returning the second unit 8 with the new cutter blade 6 attached to the first unit 7. . Therefore, according to the cutting tool 1B according to the present embodiment, the cutter blade 6 can be easily and safely replaced.

  Further, in the cutting tool 1B according to the present embodiment, when the user rotates the dial portion 3g three times from the narrowest state shown in FIG. 5A, the cutting tool 1B becomes the widest state shown in FIG. When, all the intervals between the cutter blades 6 are changed from w to w ′. On the other hand, when the dial portion 3g is rotated three times in the reverse direction from the widest state, the narrowest state is obtained, and all the intervals between the cutter blades 6 are changed from w 'to w.

  That is, according to the cutting tool 1B according to the present embodiment, as in the cutting tool 1A according to the first embodiment, all the intervals between the cutter blades 6 are simultaneously changed by the same amount between w and w ′. Can do.

[Third Embodiment]
FIG. 6 shows a cutting tool 1C according to the third embodiment of the present invention. As shown in the figure, the cutting tool 1C according to the present embodiment includes a blade interval changing means 11 made of a drum body instead of the blade interval changing means 3 made of a screw body, and a cutter unit 12 and a housing. The points 13 are generally the same as the cutting tool 1 </ b> A according to the first embodiment, except that the shape is adapted to the blade interval changing means 11.

  In the present embodiment, a blade interval changing mechanism is configured by the cutter unit 12 in a state where the cutter blade 6 is not attached, the blade interval changing means 11, and the guiding means 4.

  As shown in FIG. 7, the blade interval changing means 11 is a drum body provided with a plurality of spiral grooves 11a to 11f. In the plurality of spiral grooves 11a to 11f, the inclination angle in a state where the outer peripheral surface of the drum body is developed changes stepwise along the adjacent direction. Further, the spiral grooves 11a to 11c and the spiral grooves 11d to 11f are symmetrical with respect to the center line c of the outer peripheral surface of the drum body in the expanded state. The inclination angle of the spiral groove is 0 ° when the spiral groove is parallel to the center line c, and 90 ° when the spiral groove is perpendicular to the center line c.

  In this embodiment, the inclination angles of the spiral grooves 11a to 11f become smaller in the order of the spiral groove 11a, the spiral groove 11b, and the spiral groove 11c along the adjacent direction, and the spiral groove 11d, the spiral groove 11e, and the spiral groove 11f. It becomes larger in order. Further, both ends of the blade interval changing means 11 protrude from both side plates of the housing 13, and dial portions 11g are provided at the protruding portions (see FIG. 6).

  Each cutter unit 12 is provided with one convex portion, and the convex portion is engaged with each one of the spiral grooves 11a to 11f.

  The cutter unit 12 moves in the adjacent direction along the blade interval changing means 11 and the guide means 4 when the dial portion 11g is rotated by the user. The moving distance of the cutter unit 12 increases as the inclination angle of the spiral grooves 11a to 11f increases, and the moving direction is determined by the inclination direction.

  In the cutting tool 1C according to the present embodiment, the moving distance of the cutter units 12 at both ends engaged with the spiral grooves 11a and 11f is the longest, and the center of the cutter tools 12 engaged with the spiral grooves 11c and 11d is engaged. Since the inclination angles and the inclination directions of the plurality of spiral grooves 11a to 11f are defined so that the moving distance of the cutter unit 12 is the shortest, all the intervals between the cutter blades 6 can be simultaneously changed by the same amount. it can.

  Further, in the cutting tool 1C according to the present embodiment, the drum body rotates once by rotating the dial portion 11g once from the narrowest state shown in FIG. At this time, all the intervals between the cutter blades 6 are changed from w to w ′. On the other hand, when the dial portion 11g is rotated once in the reverse direction from the widest state, the narrowest state is obtained, and all the intervals between the cutter blades 6 are changed from w 'to w.

  That is, according to the cutting tool 1C according to the present embodiment, all the intervals between the cutter blades 6 can be simultaneously changed by the same amount between w and w '.

[Fourth Embodiment]
FIG. 9 shows a cutting tool 1D according to the fourth embodiment of the present invention. As shown in the figure, the cutting tool 1D according to the present embodiment includes blade interval changing means 17 including a slide body 14 instead of the blade interval changing means 3 formed of a screw body, and a cutter unit 18 or Except for the fact that the housing 19 has a shape adapted to the blade interval changing means 17, it is generally the same as the cutting tool 1A according to the first embodiment.

  In this embodiment, the blade interval changing mechanism is constituted by the cutter unit 18 in a state in which the cutter blade 6 is not attached, the blade interval changing means 17, the guiding means 4, and one end side guides 20a to 20f and a guide 20g described later. It is configured.

  As shown in FIGS. 10A and 10B, the blade interval changing means 17 has a slide body 14, pin members 15 a to 15 f, and a slide knob 16.

  The slide body 14 has a long hole extending in the adjacent direction, and is configured to be slidable in a direction (slide direction) perpendicular to the adjacent direction between the housing 19 and the cutter unit 18. A slide knob 16 is provided at the center of the slide body 14.

  The pin members 15a to 15f are configured to be movable along the long hole while being inserted into the long hole and protruding at both ends from the long hole. The number of pin members 15a to 15f is the same as the number of cutter units 18 (six in this embodiment).

  Referring to FIG. 9 again, on the top plate of the housing 19, six one end side guides 20a to 20f in which one end of each one of the pin members 15a to 15f is movably inserted, and the slide knob 16 in the sliding direction. A guide 20g for guiding along is provided.

  The one end side guides 20a to 20f are provided radially so that the interval between the one end side guides 20a to 20f continuously changes along the slide direction. Specifically, the interval between the one end side guides 20 a to 20 f becomes larger toward the tip side of the cutter unit 18.

  As shown in FIG. 10, the cutter unit 18 is provided with each one other end guide 21a to 21f in which the other end of each one pin member 15a to 15f is movably inserted in parallel to the slide direction. ing. For example, the right end cutter unit 18 in FIG. 10B is provided with the other end side guide 21f into which the other end of the pin member 15f is movably inserted.

  In the cutting tool 1D according to the present embodiment, when the slide knob 16 is slid by the user and the slide body 14 is slid, the pin members 15a to 15f are elongated holes, the one end side guides 20a to 20f and the other end side guides 21a to 21a. By moving along 21 f, the cutter unit 18 moves in the adjacent direction along the guide means 4.

  Further, in the cutting tool 1D according to the present embodiment, the user slides the slide body 14 from the upper position of the one-side guide means 4 to the upper position of the other-side guide means 4, thereby FIG. 10 (A). From the narrowest state shown to the widest state shown in FIG. 10 (B), at this time, all the intervals between the cutter blades 6 are changed from w to w ′. On the other hand, when the user slides the slide body 14 from the upper position of the other guide means 4 to the upper position of the one guide means 4, all the intervals between the cutter blades 6 are changed from w 'to w. .

  That is, according to the cutting tool 1D according to the present embodiment, all the intervals between the cutter blades 6 can be simultaneously changed by the same amount between w and w '.

[Fifth Embodiment]
11 and 12 show a cutting tool 1E according to a fifth embodiment of the present invention. As shown in these drawings, the cutting tool 1E according to the present embodiment includes four cutter units 22 each having one cutter blade 6 at the tip, blade interval changing means 23 formed of a slide body, guide means 24, And a housing 25.

  In the present embodiment, the blade interval changing mechanism is constituted by the cutter unit 22 in a state where the cutter blade 6 is not attached, the blade interval changing means 23, the guide means 24, and one side guides 25a to 25d and a guide 25e described later. It is configured.

  The guide means 24 is a metal bar that guides the cutter unit 22 so as to be movable only in the adjacent direction, and is provided in parallel with the adjacent direction.

  The blade interval changing means 23 is a slide body configured to be slidable in a direction (slide direction) orthogonal to the adjacent direction. The blade interval changing means 23 is provided with the same number (four in this embodiment) of one side protrusions 23 a to 23 d as the cutter unit 22 on the one surface facing the top plate of the housing 25, and the cutter unit 22. The same number (four in the present embodiment) of the other side protrusions as the cutter unit 22 are provided on the other surface facing the surface. In the center of the blade interval changing means 23, a slide knob 23e is provided.

  The top plate of the housing 25 is provided with a guide 25e for guiding the slide knob 23e along the sliding direction. In addition, four one-side guides 25a to 25d into which one one-side protruding portions 23a to 23d are movably inserted are provided on the inner side surface of the top plate in parallel with the sliding direction.

  As shown in FIG. 12, the four cutter units 22 are provided with the tip side portions parallel to the slide direction so that the intervals between the cutter units 22 at the tip side portions (portions from the tip to the center) are uniform. The distal end portion is provided radially in the sliding direction so that the distance between the cutter units 22 in the distal end portion (portion from the center to the vicinity of the distal end) continuously increases toward the distal end. Each of the other side guides 22a to 22d is provided at the end side portion of the cutter unit 22, and each one of the other side projections is movably inserted into the other side guides 22a to 22d. ing.

  In the cutting tool 1E according to the present embodiment, when the slide knob 23e is slid by the user, the one side protrusions 23a to 23d move along the one side guides 25a to 25d, and the other side guides 22a to 22d move to the other side guides 22a to 22d. On the other hand, since force is applied in the adjacent direction from the other side projection, the cutter unit 22 moves along the guide means 24 in the adjacent direction.

  Further, in the cutting tool 1E according to the present embodiment, the user slides the blade interval changing means 23 from an upper position near the end of the cutter unit 22 to an upper position in the center of the cutter unit 22 as shown in FIG. From the narrowest state, the widest state shown in FIG. At this time, all the intervals between the cutter blades 6 are changed from w (w = 24 mm in the present embodiment) to w ′ (w ′ = 45 mm in the present embodiment). On the other hand, when the blade interval changing means 23 is moved to the upper position near the end of the cutter unit 22 in the widest state, the narrowest state is reached, and all the intervals between the cutter blades 6 are changed from w 'to w.

  That is, according to the cutting tool 1E according to the present embodiment, all the intervals between the cutter blades 6 can be simultaneously changed by the same amount between w and w '.

[Sixth Embodiment]
FIG. 13 shows a cutting tool 1F according to the sixth embodiment of the present invention. As shown in the figure, the cutting tool 1F according to this embodiment is a modification of the cutting tool 1D according to the fourth embodiment, and the number of cutter units 18 is four, and the blade interval changing means 17 is used. The other end sides of the pin members 15a to 15d are fixed to the cutter unit 18 (or the pin members 15a to 15d and the cutter unit 18 are integrated), and the guide means 4 is not provided. The points other than are generally common to the cutting tool 1D according to the fourth embodiment.

  In this embodiment, the cutter interval change mechanism is comprised by the cutter unit 18 in the state where the cutter blade 6 is not attached, the blade interval changing means 17, and one end side guides 20a to 20d and a guide 20g described later.

  In the cutting tool 1F according to the present embodiment, since the other end sides of the pin members 15a to 15d are fixed to the cutter unit 18 as described above, the slide body 14 does not move in the sliding direction with respect to the cutter unit 18 ( The cutter unit 18 moves only in the direction adjacent to the slide body 14). Further, in the cutting tool 1F according to the present embodiment, since the guide means 4 is not provided, the cutter unit 18 moves in the sliding direction together with the slide body 14.

  Therefore, in the cutting tool 1F according to this embodiment, the user slides the slide knob 16 toward the end of the cutter unit 18 from the widest state shown in FIG. 14, the cutter unit 18 moves in the sliding direction together with the slide body 14 while moving in the adjacent direction. As a result, according to the cutting tool 1F according to the present embodiment, the cutter blade 6 can be stored in the cutter blade storage portion 19a in the narrowest state shown in FIG. On the other hand, when the user slides the slide knob 16 toward the tip of the cutter unit 18 from the narrowest state, the cutter blade 6 can be taken out from the cutter blade storage portion 19a.

[Modification]
The preferred embodiments of the cutting tool and the blade interval adjusting mechanism according to the present invention have been described above, but the present invention is not limited to the above embodiments.

  For example, in the cutting tools 1A and 1B according to the first embodiment and the second embodiment, the screw portions 3a to 3c and the screw portions 3d to 3f have opposite thread directions, and the screw portions 3a to 3c. The three cutter units 2 and 9 screwed into the three screw units 3 and 3 and the three cutter units 2 and 9 screwed into the screw parts 3d to 3f are configured to move in the opposite directions. It is also possible to configure the six cutter units 2 and 9 to move in the same direction with the same screw thread direction. In addition, when comprised like the latter, in order to be able to change all the space | intervals between the cutter blades 6 by the same amount simultaneously, each pitch of the screw parts 3a-3f is increased stepwise along the adjacent direction (or Need to be small).

  Similarly, in the blade interval changing means 11 in the third embodiment, the six cutter units 12 move in the same direction by inclining the spiral grooves 11a to 11f in the same direction in a state where the outer peripheral surface of the drum body is developed. You may comprise as follows. In such a configuration, in order to be able to change all the intervals between the cutter blades 6 by the same amount at the same time, the inclination angle of the spiral grooves 11a to 11f is increased (or decreased) stepwise along the adjacent direction. It is necessary to keep.

  Moreover, the position of the dial part 3g in the said 1st Embodiment and 2nd Embodiment can be changed arbitrarily, for example, you may provide in the edge part (outside of the screw part 3a or the screw part 3f) of a screw body. .

  Furthermore, the number of cutter units 2, 9, 12, 18, 22 in each of the above embodiments can be arbitrarily changed, and the configuration of other components and the number of cutter units 2, 9, 12, 18, 22 The shape can also be arbitrarily changed. For example, when the number of the cutter units 2 and 9 in the first embodiment and the second embodiment is three, the blade interval changing unit 3 includes only the screw portions 3a to 3c (or 3d to 3f) and the dial portion 3g. can do.

  Moreover, the shape of the housing 5, 10, 13, 19, 25 in each said embodiment can also be changed arbitrarily. For example, you may provide the cover which covers the blade edge | tip of the cutter blade 6 at the time of non-use, and the holding part 19b provided in the housing 19 in the said 6th Embodiment is the housing 5, 10, 13, in other embodiment. 19 and 25 may be provided.

  Furthermore, the blade interval changing mechanism in each of the above embodiments can be applied to tools such as cutting tools other than the cutting tools 1A to 1F according to the above embodiments. The blade interval changing mechanism in another tool is provided so as to be adjacent to each other, and three or more blade attachment portions to which each one blade is attached are moved along the adjacent direction of the blade attachment portion. If all the intervals between the attachment portions can be changed by the same amount at the same time, any configuration can be adopted. In addition, the said tool does not need to be a handy type. Further, as a blade attached to the blade attachment portion, any cutter blade such as a perforated cutter blade, a diamond blade, a carbon blade, a ceramic blade, or the like can be considered.

1A to 1F Cutting tool 2, 9, 12, 18, 22 Cutter unit 3, 11, 17, 23 Blade interval changing means 4, 24 Guide means 5, 10, 13, 19, 25 Housing 6 Cutter blade

Claims (3)

It is a handy type cutting tool that the user can use with one hand,
Three or more cutter units each having one cutter blade, provided so that the cutter blades are adjacent to each other, and movable along the adjacent direction of the cutter blades;
By moving the cutter unit in the adjacent direction, blade interval changing means for changing all the intervals between the cutter blades by the same amount at the same time;
Guiding means for guiding the cutter unit movably only in the adjacent direction;
With
The blade interval changing means is a rotatable screw body provided with a plurality of screw portions having different thread pitches or thread groove pitches, which can be operated by the user .
Each pitch of the plurality of screw portions is changed stepwise along the adjacent direction,
Each one of the cutter units is screwed to the screw portion,
A cutting tool , wherein the cutter unit is moved in the adjacent direction along the screw body and the guide means when the user rotates the screw body . The cutter unit is
A first unit screwed into the threaded portion and guided by the guiding means;
The cutting tool according to claim 1, comprising a second unit having the cutter blade and detachably attached to the first unit. It is a handy type cutting tool that the user can use with one hand,
Three or more cutter units each having one cutter blade, provided so that the cutter blades are adjacent to each other, and movable along the adjacent direction of the cutter blades;
By moving the cutter unit in the adjacent direction, blade interval changing means for changing all the intervals between the cutter blades by the same amount at the same time;
Guiding means for guiding the cutter unit movably only in the adjacent direction;
With
The blade interval changing means is a rotatable drum body provided with a plurality of spiral grooves, which can be operated by the user.
In the plurality of spiral grooves, an inclination angle in a state where the outer peripheral surface of the drum body is developed is changed stepwise along the adjacent direction,
Each one of the cutter units is engaged with the spiral groove,
A cutting tool, wherein the cutter unit moves in the adjacent direction along the drum body and the guide means when the drum body is rotated by the user.

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