WO2020246278A1 - ペン型コンパス - Google Patents

ペン型コンパス Download PDF

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Publication number
WO2020246278A1
WO2020246278A1 PCT/JP2020/020424 JP2020020424W WO2020246278A1 WO 2020246278 A1 WO2020246278 A1 WO 2020246278A1 JP 2020020424 W JP2020020424 W JP 2020020424W WO 2020246278 A1 WO2020246278 A1 WO 2020246278A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
sharp
side main
pen
compass
Prior art date
Application number
PCT/JP2020/020424
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
智子 高木
Original Assignee
株式会社レイメイ藤井
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社レイメイ藤井 filed Critical 株式会社レイメイ藤井
Priority to KR1020217039957A priority Critical patent/KR102631703B1/ko
Priority to JP2021524764A priority patent/JP7234360B2/ja
Priority to CN202080041161.9A priority patent/CN113993714B/zh
Publication of WO2020246278A1 publication Critical patent/WO2020246278A1/ja
Priority to JP2023026284A priority patent/JP7454077B2/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/02—Compasses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00—Combinations of writing implements with other articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00—Combinations of writing implements with other articles
    • B43K29/001—Combinations of writing implements with other articles with compasses

Definitions

  • the present invention relates to a pen-type compass having excellent portability, and makes it possible to use a lead of a mechanical pencil having a particularly general length, facilitates a knock operation for pulling out the lead, and improves usability. Regarding the compass.
  • a pen-type compass that is pen-shaped and has a cap.
  • the pen-type compass has a substantially cylindrical shape like a writing instrument when the legs of the main body are closed, and is provided with a cap that protects the tip of the needle or core with the exposed tip. By attaching the cap, the needle and core are not exposed, so it can be handled safely, it will not damage other items when stored in the pen case, and the tip of the compass can be protected.
  • the closed state is a pen type, it can be stored in a pen case like other pens.
  • some pen-type compasses are equipped with a small mechanical pencil instead of a lead.
  • the mechanical pencil type pen-type compass is provided with a mechanical pencil mechanism (sharp mechanism) that stores the lead and pulls out the lead at a specific pitch by knocking from the outside.
  • a dedicated lead having a shorter length than a lead for a general mechanical pencil has been used.
  • the knock part for knocking is a side knock type provided on the side surface of the main body, and the knock part is slid down to knock and extend the core. It has become.
  • Patent Document 1 describes a pen-type compass provided with a core feeding device.
  • Patent Document 2 describes a compass in which a needle is formed in black and a pencil can be attached.
  • Patent Document 3 describes a compass capable of incorporating a replacement core.
  • Patent Documents 1 to 3 do not describe a mechanical pencil type pen-type compass that can use a general mechanical pencil lead and facilitate knocking operation.
  • the present invention has been made in view of the above circumstances, and a pen-type compass capable of improving convenience by making a general mechanical pencil lead usable, facilitating knocking operation, and improving usability.
  • the purpose is to provide.
  • the present invention for solving the above-mentioned problems of the conventional example includes a needle-side main body as a leg provided with a needle, a sharp-side main body as a leg for accommodating a mechanical pencil mechanism, and a needle-side main body. It has a central part that stores and holds the upper end of the main body on the sharp side, and when the main body on the needle side and the main body on the sharp side are closed together, it becomes a pen-shaped compass, and the main body on the sharp side is sharp. It is provided with a connecting portion that connects the upper part of the main body on the side, the lower part of the main body on the sharp side, and the upper part of the main body on the sharp side and the lower part of the main body on the sharp side.
  • a knock part that has a substantially cylindrical core protection part that protects the upper part of the core and is formed to a length that can store the upper end part of the core, and knocks the core out on the side surface of the lower part of the main body on the sharp side. Is provided, and the surface of the knock portion is provided with a protrusion protruding in a chevron shape.
  • the knock portion is provided with an uneven portion, and the protrusion is provided on the lower side of the uneven portion.
  • the present invention is provided with a cap that is attached to the tip of the pen-type compass in a closed state in which the needle-side main body and the sharp-side main body are combined and closed to protect the tip.
  • the needle-side main body which is the leg on which the needle is provided
  • the sharp-side main body which is the leg on which the mechanical pencil mechanism is housed
  • the upper ends of the needle-side main body and the sharp-side main body are stored.
  • It is a pen-shaped compass that has a central part to hold and when the needle side main body and the sharp side main body are closed together, it becomes a pen-shaped compass
  • the sharp side main body is the sharp side main body upper part and the sharp side main body lower part.
  • a connecting part that connects the upper part of the main body on the sharp side and the lower part of the main body on the sharp side, and the connecting part has a substantially cylindrical shape that protects the upper part of the core of the mechanical pencil having a length of about 60 mm inserted into the mechanical pencil mechanism. It is provided with a core protection part and is formed to a length that can store the upper end part of the core, and a knock part that performs a knock operation to pull out the core is provided on the side surface of the lower part of the main body on the sharp side, and on the surface of the knock part.
  • the pen-type compass (the present compass) according to the embodiment of the present invention includes a needle-side main body provided with a needle and a mechanical pencil-side main body (sharp-side main body) provided with a mechanical pencil mechanism.
  • the sharp side main body includes a sharp side main body upper portion, a sharp side main body lower portion, and a connecting portion connecting the sharp side main body upper portion and the sharp side main body lower portion, and the connecting portion has a through hole in the axial direction.
  • a substantially cylindrical core protection portion that protects the upper portion of a general 60 mm long core inserted into the mechanical pencil mechanism portion is provided, and the upper end portion of the core is formed to a length that can be stored.
  • This is a mechanical pencil that can improve convenience by forming a sufficient space above the mechanical pencil mechanism and using a general mechanical pencil lead without using a dedicated lead. Is.
  • this compass is provided with a knock portion for knocking the mechanical pencil mechanism on the side surface of the lower part of the main body on the sharp side, and a plurality of non-slip streaks (concavo-convex portions) are formed on the surface of the knock portion and the uneven portion.
  • a protrusion is provided closer to the tip of the pen, and the fingertip is caught when knocking to facilitate the knocking operation and improve usability.
  • FIG. 1 is a perspective view showing a schematic configuration of the compass
  • FIG. 2 is a perspective view in a state where the cap is closed.
  • the compass includes a main body 1 and a cap 2 that covers (attaches) the tip of the main body 1.
  • a ballpoint pen or the like is used in a state where the cap is closed. It has a shape very similar to a writing instrument.
  • This compass is a mechanical pencil type configuration in which a mechanical pencil is provided on the leg of the main body 1.
  • the main body 1 includes a central portion 10, a sharp side main body 11 which is one leg of the compass, a needle side main body 12 which is the other leg, and a main body connecting portion 15. Further, the sharp side main body 11 includes a sharp side main body upper portion 11a, a sharp side main body lower portion 11b, a connecting portion 13, and a knock portion 14.
  • the upper part 11a of the main body on the sharp side, the lower part 11b of the main body on the sharp side, and the main body 12 on the needle side are formed of zinc die-cast or the like, and the central portion 10, the connecting portion 13, and the knock portion 14 are made of plastic or the like.
  • the sharp side main body 11 is provided with a mechanical pencil mechanism (sharp mechanism) inside, and the pen tip 31 of the mechanical pencil is exposed at the tip.
  • the core 32 is extended from the pen tip 31.
  • the core 32 is not a short core dedicated to the compass, but a core having a length of 60 mm used for a general mechanical pencil. With the availability of cores of common length, users can use the lead of a mechanical pencil that they normally use or choose a lead of their preferred hardness.
  • the needle side main body 12 is provided with a needle 33 at the tip.
  • the needle 33 of this compass is a black needle. By making it black, the tip of the needle 33 becomes easier to see (improves visibility) when the compass is used on a notebook or the like, which is often a white background, and usability can be improved. ..
  • the central portion 10 is provided with a knob at the upper end and a central device for fixing the knob to the center of the compass inside, and houses and holds the upper end 11a of the sharp side main body and the upper end of the needle side main body 12.
  • the main body connection portion 15 includes screws and nuts, and the sharp side main body upper portion 11a and the needle side main body 12 are housed in a state where the sharp side main body upper portion 11a and the upper end portion of the needle side main body 12 are housed inside the central portion 10. Fix it so that it can be slidable.
  • the nut of the main body connecting portion 15 is provided on the back side of FIGS. 1 and 2.
  • the sharp side main body 11 and the needle side main body 12 can be opened and closed centering on the point connected by the main body connecting portion 15.
  • the sharp side main body 11 and the needle side main body 12 are opened by the central device by the same angle, so that the knob of the central portion 10 is always located at the center of the compass.
  • the cap 2 is made of polypropylene (PP), ABS (acrylonitrile-butadiene-styrene; Acrylonitrile-Butadiene-Styrene) resin, or the like, and covers the tip portion of the cap 2 with the sharp side main body 11 and the needle side main body 12 in contact with each other. It is fixed so that it will not come off.
  • PP polypropylene
  • ABS acrylonitrile-butadiene-styrene
  • Acrylonitrile-Butadiene-Styrene resin or the like
  • the connecting portion 13 is a characteristic portion of the compass, connects the upper portion 11a of the sharp side main body and the lower portion 11b of the sharp side main body, and also functions as a stopper on the upper end side of the knock portion 14.
  • the connecting portion 13 is detachably connected to the sharp side main body upper portion 11a and the sharp side main body lower portion 11b.
  • the knock portion 14 is a side knock type knock button, and by pushing down toward the lower end direction of the main body 1, the spring of the sharp mechanism portion described later is compressed and the core is sent out. When the finger is released to release the push-down, the knock portion 14 returns to the original position.
  • the surface of the knock portion 14 is provided with a plurality of streaky uneven portions and protrusions 145 so that a finger can easily catch it.
  • the protrusion 145 is a mountain-shaped protrusion that is provided closer to the lower end of the knock portion 14 than the uneven portion and protrudes outward from the side surface of the main body 1.
  • the height of the protruding portion 145 is formed higher than the height of the convex portion of the uneven portion, and is high enough to catch the belly of the thumb.
  • the knock portion 14 is provided with not only the uneven portion but also the protrusion 145, when the knock portion 14 is pushed downward (in the direction of the pen tip 31), the fingertip is caught by the protrusion 145 and becomes hard to slip. , It is easy to transmit force and facilitate knocking operation. As a result, even a child can easily perform a knocking motion.
  • the internal configuration of the connecting portion 13 and the knock portion 14 will be described later.
  • a recess 16 is provided in a portion where the sharp side main body 11 and the needle side main body 12 come into contact with each other so that it can be easily operated when both main bodies are opened from the closed state.
  • the sharp side main body is provided with a recessed portion 16a
  • the needle side main body 12 is provided with a recessed portion 16b.
  • the recessed portion 16a of the sharp side main body 11 is provided in the connecting portion 13.
  • the recessed portions 16a and 16b are similarly formed on the back sides of FIGS. 1 and 2.
  • FIG. 3 is an external view of the inside of the sharp side main body 11.
  • the inside of the sharp side main body 11 (the side that comes into contact with the needle side main body 12) is composed of a sharp side main body upper portion 11a, a connecting portion 132 of the connecting portion 13, and a sharp side main body lower portion 11b.
  • the inside of the lower portion 11b of the main body on the sharp side is hollow, and the sharp mechanism portion is housed in the hollow portion.
  • the internal cavity of the lower part 11b of the main body on the sharp side has two levels of thickness, the upper part is thick (large diameter) and the lower part is thin (small diameter).
  • the connecting portion 132 of the connecting portion 13 will be described later.
  • FIG. 4 is an exploded explanatory view showing the configuration of the sharp side main body 11.
  • the sharp side main body 11 of this compass includes a sharp side main body lower portion 11b, a sharpening mechanism portion 21, a knock portion 14, a connecting portion 13, and a sharp side main body upper portion 11a.
  • the sharp mechanism unit 21 is a general-purpose product, and houses the core 32 inside a cylindrical shaft.
  • a spring portion 24 and a pressing portion 23 provided on the upper portion of the spring portion 24 are provided on the outside of the shaft, and the pressing portion 23 is further provided with an engaging portion 231 that engages with the protruding portion 142 of the knock portion 14. It is provided.
  • the inside of the lower portion 11b of the sharpening side main body is hollow, the sharpening mechanism portion 21 is housed, and the pen tip 31 of the sharpening mechanism portion 21 projects from the lower end portion of the lower portion 11b of the sharpening side main body.
  • the upper portion of the sharp mechanism portion 21 is housed without protruding from the upper end portion of the lower portion 11b of the main body on the sharp side.
  • the length of each part is as follows: Sharp side main body lower part 11b> Connecting part 13> Sharp side main body upper part 11a> Knock part 14.
  • a slit 111 with which the knock portion 14 is slidably engaged is formed on the outer side surface (back side in FIG. 4) of the lower portion 11b on the sharp side.
  • the knock portion 14 holds the upper portion of the sharp mechanism portion 21.
  • a fixing portion 40 for fixing the sharp mechanism portion 21 is attached to the inside of the lower portion 11b of the main body on the sharp side.
  • the fixing portion 40 has a substantially cylindrical shape having a through hole inside, and is formed of an elastic resin or the like.
  • FIG. 4 shows a state in which the fixing portion 40 is attached to the side of the sharpening mechanism portion 21 for the sake of clarity, but in reality, the fixing portion 40 is fixed in advance inside the cylinder of the lower part 11b of the sharpening side main body. It is provided.
  • the outer diameter of the fixed portion 40 is formed to be smaller than the inner diameter of the upper part of the sharp side main body 11b and slightly larger than the inner diameter of the lower part. Then, the fixing portion 40 is strongly pushed from the upper cavity of the sharp side main body 11b into the lower cavity and fixed.
  • the inner diameter of the fixing portion 40 (diameter of the through hole) is formed to be slightly smaller than the outer diameter of the sharp mechanism portion 21, so that the sharp mechanism portion 21 is strongly inserted into the through hole of the fixing portion 40 and fixed by friction. It has become. Since the fixing portion 40 is a deformable material, it is deformed when a force is applied, and the sharp mechanism portion 21 can be inserted at the time of manufacturing the compass.
  • the core 32 used in this compass is a core for a general mechanical pencil, and at the beginning of use, it protrudes upward from the upper end of the sharp mechanism portion 21.
  • the lead of a general mechanical pencil can be used by providing a space for accommodating the protruding portion in the sharp side main body 11. It should be noted that a conventional short core dedicated to the compass can also be used.
  • the knock portion 14 includes a knock portion side surface 141 that is a part of the outer side surface of the sharp side main body 11, and a protruding portion 142 that projects inward.
  • the uneven portion and the protrusion 145 described above are formed on the outside of the knock portion side surface 141.
  • the knock portion side surface 141 comes into contact with the connecting portion side surface 131.
  • the protruding portion 142 has a disk shape and is provided with a hole through which the upper portion of the sharp mechanism portion 21 penetrates near the center.
  • the portion connecting the side surface 141 of the knock portion and the protruding portion 142 engages with the recess 111 of the lower portion 11b of the sharp side main body, and the knock portion 14 slides up and down.
  • the protruding portion 142 of the knock portion 14 engages with the engaging portion 231 of the sharp mechanism portion 21. Then, when the knock portion 14 is pressed, the pressing portion 23 is pushed downward by the protruding portion 142, the pressing portion 23 presses and contracts the spring portion 24, and the core 32 is extended from the pen tip 31.
  • the connecting portion 13 is connected to a connecting portion side surface 131 that is a part of the outer side surface of the sharp side main body 11 and a connecting portion 132 that is connected to the connecting portion side surface 131 and is a part of the inner side surface of the sharp side main body 11. It is provided with a cylindrical core protection portion 133 provided.
  • the core protection portion 133 protects the upper portion of the core protruding from the sharp mechanism portion 21. Further, the hole penetrating the inside of the core protection portion 133 is formed so that the axis coincides with the hole of the sharp mechanism portion 21, and is a space for accommodating the upper portion of the core 32.
  • the sharpening mechanism portion 21 is housed in the lower portion 11b of the main body on the sharpening side, and the upper end of the new core 32 does not protrude in a state where the knock portion 14 and the connecting portion 13 are connected. Therefore, the user can use the core used for an ordinary mechanical pencil for this compass without having to prepare a dedicated core for the compass.
  • the core protection portion 133 does not have to be formed over the entire length direction of the connecting portion 13, and may be, for example, about the same length as the connecting portion 132. However, as shown in FIG. 4, by forming the core protection portion 133 over almost the entire length direction of the connecting portion 13, the core is stably held in the cavity, and when the core 32 is inserted. It protects the core from being displaced and the tip from hitting the edge of the sharpening mechanism 21 and breaking.
  • the upper end portion of the connecting portion 132 abuts on the lower end portion of the sharp side main body upper portion 11a, and the lower end portion of the connecting portion 132 abuts on the upper end portion of the sharp side main body lower portion 11b and engages with each other.
  • the sharp side main body 11 of the compass is assembled.
  • the sharp side main body 11 is removed from the sharp side main body upper portion 11a, and the core is inserted through the opening at the upper end of the core protection portion 133.
  • FIG. 5A and 5B are explanatory views showing the configuration (1) of the scale portion
  • FIG. 5A shows a protrusion provided on the main body side
  • FIG. 5B shows a state in which the scale portion 4 is attached to the compass.
  • the scale portion 4 may be attached to either the sharp side main body 11'or the needle side main body 12', but here, a configuration for attaching to the needle side main body 12'will be described.
  • the compass to which the scale portion 4 can be attached is provided with two protrusions 21a and 21b on the needle side main body 12'and a protrusion 21c on the sharp side main body 11'. ..
  • the scale portion 4 is attached to the compass and further fixed to a desired radius.
  • the positions where the protrusions 21a, 21b and 21c are provided are arbitrary as long as they do not hinder the movement of the knock portion 14, but may be provided in the recesses 16a and 16b, for example.
  • the scale portion 4 is used by being attached to the needle side main body 12'of the compass, and is a removable member.
  • the scale portion 4 is formed of a thin plate such as plastic in a bow shape (arc shape), holes 41a and 41b are formed at one end, and a plurality of holes 42 are formed toward the other end. It is arranged on an arc.
  • the holes 42 correspond to radii 2.0 cm, 2.5 cm, 3.0 cm, 3.5 cm, and the like, and the corresponding radial dimension values are described near each hole 42. That is, by engaging each hole 42 with the protrusion 21c, the distance between the needle 33 and the tip of the lead 32 of the mechanical pencil becomes a corresponding radial dimension.
  • the protrusions 21a and 21b of the needle side main body 12'and the holes 41a and 41b provided at the ends of the scale 4 are engaged with each other.
  • the scale portion 4 is fixed to the needle side main body 12'.
  • the scale portion 4 can be firmly fixed without rotating.
  • the protrusion 21c provided on the sharp side main body 11' engages with any of the hole portions 42 of the scale portion 4 so that the needle side main body 12'and the sharp side main body 11'have a specific radial dimension. Fix the interval (angle).
  • the diameters of the protrusions 21a, 21b, 21c are formed to be equal to or slightly larger than the diameters of the holes 41a, 41b, 42, and the holes 41a, 41b, 42 are deformed when the scale 4 is attached or detached. It spreads out and can be inserted or removed, and in the mounted state, it does not come off unintentionally.
  • the scale portion 4 When the scale portion 4 is used, it cannot be fixed to dimensions other than the hole portion 42, but it can be easily set to a radius dimension that is often used by a simple mechanism, and the dimension can be set while drawing a circle. It is possible to prevent the deviation and improve the convenience.
  • FIG. 6A is a state in which the scale portion 5 is attached to the compass
  • FIG. 6B is an attachment portion on the needle side main body 12
  • FIG. 6A is a state in which the scale portion 5 is attached to the compass
  • FIG. 6B is an attachment portion on the needle side main body 12
  • FIG. 5 is a component that is detachably fixed to either the needle-side main body 12 or the sharp-side main body 11 of the compass, and here, the case where it is attached to the needle-side main body 12 is shown.
  • the scale portion 5 is formed of plastic or the like in a bow shape, includes a plurality of scale lines 51, and is detachably fixed to the needle side main body 12 by the fixing portion 52. Similar to the scale portion 5, the value of the radial dimension is described in the vicinity of the scale line 51, but the illustration is omitted.
  • a holding portion 54 which is a removable part, is attached to the sharp side main body 11.
  • the pressing portion 54 is a component that lightly presses the scale portion 5 on the sharp side main body 11, and a through hole 56 (see FIG. 6 (c)) penetrating in the left-right direction is formed in FIG. 6 (a).
  • the scale portion 5 penetrates the 56, and the pressing portion 54 slides on the scale portion 5 as the sharp side main body 11 opens and closes.
  • the pressing portion 54 is formed of a transparent member, and a scale matching portion 55 serving as a guideline for a desired radius is formed on the surface thereof.
  • the line of the scale portion 55 is drawn long so as not to be confused with the scale line 51 of the scale portion 5.
  • the scale matching portion 55 and the scale line 51 may have different colors. Then, while opening and closing the mechanical pencil side main body 11 and looking at the scale line 51 of the scale portion 5 through the transparent pressing portion 54, the user adjusts the length of the desired radius to the scale portion 55 with the scale line 51 as a guide. As a result, the distance between the needle 32 of the compass and the lead of the mechanical pencil becomes the length of the radius.
  • an L-shaped fixing portion 52 is provided at the left end portion of the scale portion 5.
  • the fixing portion 52 is formed, for example, in a size and length that fits snugly into the recessed portion 16b of the needle-side main body 12. As a result, the scale portion 5 is always attached to the same position, and the variation in the radial dimension is prevented.
  • a pressing portion 54 is attached to the recessed portion 16a of the sharp side main body 11.
  • the pressing portion 54 includes a fixing portion 53 formed in an L shape, and is fitted and fixed to the recessed portion 16b. As described above, the pressing portion 54 is provided with a through hole 56, and the scale portion 5 penetrates therethrough.
  • the sharp mechanism portion 21 may be removable, various sharp mechanism portions may be prepared as accessory parts, and any sharp mechanism portion may be attached and used.
  • a sharp mechanism portion of a type in which the core automatically comes out without knocking may be attached.
  • the thickness of the core is not limited to the general 0.5 mm, and a sharp mechanism portion corresponding to a core of 0.3 mm or 0.7 mm may be attached. As a result, the user can select the operation method and the thickness of the core according to his / her taste and application.
  • the sharp side main body 11 includes a sharp side main body upper portion 11a, a sharp side main body lower portion 11b, and a connecting portion 13, and the connecting portion 13 has a through hole in the axial direction, and the sharpening mechanism portion 21. Since it is a pen-type compass that has a core protection part 133 that protects the upper part of the core of the general length (60 mm) inserted in, and also has a space that can store up to the upper end of the core, it is a core dedicated to the compass. Even if you do not prepare a lead, you can use a core for a general mechanical pencil, which has the effect of improving convenience.
  • the protrusion 145 is provided on the surface of the side knock type knock portion 14, the finger is caught by the protrusion 145 during the knock operation, and the knock portion 14 can be easily pressed. It has the effect of improving usability.
  • the compass can be easily opened according to the radial dimension without a ruler or the like, and the hole of the scale portion 4 can be opened.
  • the open state can be fixed, the radial dimension cannot be displaced during drawing, and the convenience can be improved.
  • the present invention relates to a pen-type compass that is excellent in portability, enables the use of a general mechanical pencil lead, facilitates a knock operation for pulling out the lead, and improves usability.

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Toys (AREA)
PCT/JP2020/020424 2019-06-05 2020-05-22 ペン型コンパス WO2020246278A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020217039957A KR102631703B1 (ko) 2019-06-05 2020-05-22 펜 타입 컴퍼스
JP2021524764A JP7234360B2 (ja) 2019-06-05 2020-05-22 ペン型コンパス
CN202080041161.9A CN113993714B (zh) 2019-06-05 2020-05-22 笔型圆规
JP2023026284A JP7454077B2 (ja) 2019-06-05 2023-02-22 ペン型コンパス

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019-104973 2019-06-05
JP2019104973 2019-06-05
JP2019-191676 2019-10-21
JP2019191676 2019-10-21

Publications (1)

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WO2020246278A1 true WO2020246278A1 (ja) 2020-12-10

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JP (2) JP7234360B2 (enrdf_load_stackoverflow)
KR (1) KR102631703B1 (enrdf_load_stackoverflow)
CN (1) CN113993714B (enrdf_load_stackoverflow)
WO (1) WO2020246278A1 (enrdf_load_stackoverflow)

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Publication number Priority date Publication date Assignee Title
CN217892344U (zh) * 2022-09-07 2022-11-25 广州市悟生文具有限公司 按动圆规

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DE9007164U1 (de) * 1990-06-28 1990-08-30 Andreas Witte KG, 2122 Bleckede Schreibgerät, insbesondere Druckminenbleistift
JP3049965U (ja) * 1997-04-10 1998-06-30 州彦 長谷部 シャープペンシル用芯拾い上げ溝付きキャップ
JP3178069U (ja) * 2012-06-18 2012-08-30 株式会社レイメイ藤井 コンパス

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