WO2022163797A1 - シャープペンシル用替芯ケース - Google Patents

シャープペンシル用替芯ケース Download PDF

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Publication number
WO2022163797A1
WO2022163797A1 PCT/JP2022/003239 JP2022003239W WO2022163797A1 WO 2022163797 A1 WO2022163797 A1 WO 2022163797A1 JP 2022003239 W JP2022003239 W JP 2022003239W WO 2022163797 A1 WO2022163797 A1 WO 2022163797A1
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WO
WIPO (PCT)
Prior art keywords
case
cover member
case body
lead
mechanical pencil
Prior art date
Application number
PCT/JP2022/003239
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
学 山本
Original Assignee
ぺんてる株式会社
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 ぺんてる株式会社 filed Critical ぺんてる株式会社
Priority to KR1020237024810A priority Critical patent/KR20230137319A/ko
Priority to DE112022000831.8T priority patent/DE112022000831T5/de
Priority to CA3206422A priority patent/CA3206422A1/en
Priority to JP2022578504A priority patent/JPWO2022163797A1/ja
Priority to CN202280011232.XA priority patent/CN116745140A/zh
Publication of WO2022163797A1 publication Critical patent/WO2022163797A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K31/00—Writing implement receptacles functioning as, or combined with, writing implements
    • B43K31/005—Distributors for leads, cartridges and the like
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/02—Containers or packages with special means for dispensing contents for dispensing rod-shaped articles, e.g. needles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/20—Containers, packaging elements or packages, specially adapted for particular articles or materials for incompressible or rigid rod-shaped or tubular articles

Definitions

  • the present disclosure relates to a lead case for mechanical pencils.
  • a required coupling portion is formed as a rotation fulcrum in the bottom direction portion of the case body so that the case body and the cover member can rotate in a fan shape relative to each other, and the case body is replaced.
  • a mechanical pencil refill in which the end of the mechanical pencil refill is exposed while the refill opening is open, and the mechanical pencil refill can be taken out therefrom (Patent Document 1).
  • the cover member maintains the state in which the opening for taking out the replacement lead is closed.
  • the cover member is locked to the case body by fitting the projection and the fitting portion in this manner, it may be difficult to reliably maintain the state in which the cover member closes the refill opening. .
  • a mechanical pencil refill case comprises: a case body for accommodating a mechanical pencil lead; a cover member capable of opening and closing a refill opening of the case main body by being slid with respect to the case main body; an engaged state in which the cover member is engaged with one of the case body and the cover member by moving with respect to the case body and the cover member in a direction that intersects the sliding direction of the cover member with respect to the case body; a lock member configured to switch between a non-engaged state in which the one of the case main body and the cover member is not engaged; with In the engaged state, the cover member is configured to be maintained in a state in which the replacement lead removal port is closed and in a state in which it cannot slide with respect to the case main body.
  • a mechanical pencil lead case that can more reliably keep the lead opening closed.
  • FIG. 4 is a front view showing a locking member of the mechanical pencil lead case according to the embodiment in an engaged state;
  • FIG. 4 is a front view showing a state in which the lock member of the mechanical pencil lead case according to the embodiment is in a non-engaged state;
  • FIG. 4 is a front view showing a state in which the lock member of the mechanical pencil lead case according to the embodiment is in a non-engaged state;
  • 1 is an exploded perspective view from the front side of a mechanical pencil lead case according to an embodiment;
  • FIG. It is an exploded perspective view from the back side of the refill lead case for the mechanical pencil of one embodiment.
  • FIG. 6 is a perspective view of the mechanical pencil refill lead case shown in FIGS. 4 and 5 when the locking member is in an engaged state;
  • FIG. 7 is a cross-sectional view of the refill lead case for the mechanical pencil shown in FIG. 6;
  • FIG. 6 is a perspective view of the mechanical pencil refill lead case shown in FIGS. 4 and 5 when the locking member is in a disengaged state;
  • FIG. 9 is a cross-sectional view of the refill lead case for the mechanical pencil shown in FIG. 8;
  • FIG. 6 is a perspective view of the mechanical pencil refill lead case shown in FIGS. 4 and 5 when the locking member is in a disengaged state;
  • 11 is a cross-sectional view of the mechanical pencil lead case shown in FIG. 10.
  • FIG. FIG. 8 is a cross-sectional view along line AA showing a state in which a plurality of refill cores of FIG. 7 are housed.
  • FIG. 11 is a perspective view similar to FIG. 10 , showing a refill case in which a plurality of refills are accommodated.
  • FIGS. 1 to 3 are front views of a mechanical pencil lead case according to an embodiment, in which the lock member is in the engaged state, the lock member is in the disengaged state, and the lead opening is shown in FIG. is closed, and the lock member is in a disengaged state and the refill lead opening is open.
  • FIGS. 4 and 5 are exploded perspective views from the front side and the back side of a mechanical pencil lead case according to one embodiment, respectively.
  • 6, 8 and 10 are perspective views of the mechanical pencil refill case shown in FIGS. 4 and 5, respectively, in which the locking member is in the engaged state and the locking member is in the non-engaged state.
  • FIG. 10 is a diagram showing a state in which the replacement lead removal port is closed, and a state in which the locking member is in a non-engaged state and the replacement lead removal port is open.
  • 7, 9 and 11 are cross-sectional views of the mechanical pencil refill case shown in FIGS. 6, 8 and 10, respectively.
  • FIG. 12 is a cross-sectional view taken along line AA of FIG.
  • FIG. 13 is a perspective view similar to FIG. 10, showing a refill case in which a plurality of refills are accommodated.
  • a mechanical pencil replacement lead case (hereinafter also referred to as a replacement lead case) 1 according to some embodiments includes a case body 2, a cover member 4, a lock member 5, It has
  • the case body 2 is configured to be able to accommodate a replacement lead 3 (see FIGS. 3 to 5, etc.) for a mechanical pencil.
  • the case body 2 has a refill lead opening 2a, which is an opening for inserting and removing the refill lead 3, and a bottom portion 2c, and extends between the refill lead removal opening 2a and the bottom portion 2c.
  • the case body 2 extends along the longitudinal direction of the case body 2 between the refill lead outlet 2a and the bottom 2c.
  • the distance from the inner bottom portion 2e (see FIG. 7, etc.) to the refill lead outlet 2a in the longitudinal direction of the case main body 2 may be shorter than the length of the refill lead 3 accommodated in the case main body 2.
  • the extra lead 3 since a part of the extra lead 3 housed in the case body 2 is exposed from the case body 2, the extra lead 3 can be easily removed from the case body 2 when the extra lead extraction opening 2a is open.
  • the cover member 4 is slidable with respect to the case body 2 , and by sliding with respect to the case body 2 , it is possible to open and close the replacement lead extraction opening 2 a of the case body 2 .
  • the state in which the extra lead outlet 2a is open means that at least a part of the extra lead outlet 2a is not covered with the cover member 4, and the extra lead 3 stored in the case body 2 can be taken out with a finger. do.
  • the state in which the replacement lead extraction opening 2a is closed means that the replacement lead extraction opening 2a is entirely covered with the cover member 4, and the replacement lead 3 stored in the case main body 2 cannot be taken out with a finger.
  • the lock member 5 is engaged with one of the case body 2 and the cover member 4 by moving with respect to the case body 2 and the cover member 4 in a direction crossing the sliding direction of the cover member 4 with respect to the case body 2. It is configured to switch between an engaged state and a non-engaged state in which one of the case body 2 and the cover member 4 is not engaged.
  • the cover member 4 keeps the replacement lead extraction opening 2 a closed and the cover member 4 cannot slide relative to the case body 2 .
  • the cover member 4 is slidable with respect to the case main body 2, and by sliding the cover member 4 with respect to the case main body 2, the replacement lead extraction port 2a is opened. can be closed or blocked.
  • the cover member 4 is slidable relative to the case body 2 along the second direction
  • the lock member 5 is slidable relative to the case body 2 in the second direction. It is movable along one direction (see FIGS. 1-3, 7, 9 and 11).
  • the first direction is the direction connecting the extra core outlet 2 a of the case body 2 and the bottom portion 2 c , and may be the longitudinal direction of the case body 2 .
  • the second direction may be the direction orthogonal to the first direction or the width direction of the case body 2 .
  • the mechanical pencil lead case 1 includes a cover member 4 capable of opening and closing the lead removal port 2a of the case body 2 by being slid with respect to the case body 2;
  • a locking member 5 engageable with one of the body 2 or the cover member 4 is provided.
  • the lock member 5 By moving the lock member 5 in the crossing direction, the lock member 5 is engaged with one of the case main body 2 and the cover member 4, and the lock member 5 is engaged with one of the case main body 2 and the cover member 4. It is possible to switch a disengaged state in which the Therefore, by engaging the lock member 5 with either the case main body 2 or the cover member 4, the cover member 4 closes the replacement lead extraction opening 2a and the state in which the cover member 4 cannot slide is maintained.
  • the state (engaged state) can be established, the closed state of the refill lead removal opening 2a can be more reliably maintained. Further, by moving the lock member 5 in the cross direction, it is possible to easily switch between the above-described engaged state and the disengaged state in which the cover member 4 is slidable with respect to the case body 2 .
  • the locking member 5 can be pulled from the case body 2 or the other of the cover members 4 (the one not engaged by the locking member 5) in the above-described cross direction (the first direction in the illustrated embodiment). 2 or the cover member 4 (the one with which the lock member 5 engages).
  • the one of the case main body 2 and the cover member 4 (the one with which the locking member 5 engages) has an engaging groove 4a with which the projection 5a can engage.
  • the protrusion 5a In the engaged state of the lock member 5, the protrusion 5a is engaged with the engagement groove 4a.
  • the non-engagement state of the lock member 5 the protrusion 5a is engaged with the engagement groove 4a. There is no state. In the engaged state, the protrusion 5a may be fitted into the engagement groove 4a with a slight gap.
  • the locking member 5 extends from the case body 2 toward the cover member 4 in the aforementioned cross direction (direction along the first direction). It has a convex portion 5a that protrudes toward. Further, the cover member 4 has an engagement groove 4a with which the protrusion 5a of the lock member 5 can be engaged.
  • the lock member 5 including the protrusion 5a is supported by the case body 2 so as to be movable along the crosswise extending groove 2b.
  • the cover member 4 is recessed from the surface of the cover member 4 and formed with an engaging groove 4a extending in the cross direction. The projection 5 a of the lock member 5 can engage with the engagement groove 4 a provided in the cover member 4 .
  • the case body 2 has a ventral wall portion 2g and a back wall portion 2f that extend between the bottom portion 2c of the case body 2 and the refill opening 2a and are opposed to each other. and a pair of side wall portions 2r and 2s connecting the abdominal side wall portion 2g and the dorsal side wall portion 2f.
  • the lock member 5 also includes a base portion 5b facing the side wall portion 2g of the case body 2 and a pair of side plate portions 5d and 5c facing the side wall portions 2r and 2s of the case body 2, respectively.
  • the side plate portion 5d includes a convex portion 5a projecting from the base portion 5b in the direction from the bottom portion 2c of the case body 2 toward the lead opening 2a.
  • the cover member 4 includes an opening cover portion 4d capable of covering the replacement lead outlet 2a of the case body 2 and a back side wall portion 2f of the case body 2. and a dorsal cover portion 4e facing the .
  • the engagement groove 4a is at least partially formed by the first side surface 4i of the protruding portion 4h protruding from the surface of the back side cover portion 4e facing the back side wall portion 2f (case body 2).
  • the first side surface 4i is a surface extending along the first direction. More specifically, the engaging groove 4a is at least partially formed by the above-described first side surface 4i and the inner wall surface of the side wall portion 4j of the cover member 4. As shown in FIG.
  • the convex portion 5a which is a part of the side plate portion 5d of the lock member 5, engages with the engaging groove 4a formed by the first side surface 4i of the projecting portion 4h of the case body 2 and the inner wall surface of the side wall portion 4j. possible.
  • the lock member 5 is provided with the protrusion 5a, and the case body 2 or the cover member 4 (the cover member 4 in the illustrated embodiment) is engaged with the protrusion 5a of the lock member 5.
  • a possible engagement groove 4a is provided. Therefore, by moving the lock member 5 in the cross direction, the projection 5a of the lock member 5 is engaged with the engagement groove 4a of the case main body 2 or the cover member 4, or the engagement groove 4a of the projection 5a is engaged. can be disengaged from.
  • the case body 2 is fitted into the locking member 5 and the cover member 4 is positioned relative to the case body 2 and the locking member 5 along the second direction. It is movable in the sliding direction.
  • the case main body 2 when the case main body 2 is fitted into the lock member 5 and incorporated, the case main body 2 extends in the longitudinal direction of the case main body 2 with respect to the lock member 5. You can slide along. Further, the position of the lock member 5 in the longitudinal direction of the case body 2 is defined by the projections 2t, 2u, 2v, and 2w of the case body 2 projecting in the width direction toward the lock member 5 and the width direction toward the case body 2. are regulated by engaging the projections 5i and 5j of the locking member 5 projecting outwardly.
  • the lower surfaces of the projections 2t and 2v of the case body 2 surfaces on the side of the bottom 2c in the longitudinal direction of the case body 2) and the upper surfaces of the projections 5i and 5j of the lock member 5 (replacement cores in the longitudinal direction of the case body 2)
  • the position of the lock member 5 with respect to the case body 2 in the longitudinal direction closest to the replacement lead removal opening 2a side is regulated.
  • the upper surface of the protrusions 2u and 2w of the case body 2 (the surface on the side of the extra lead outlet 2a in the longitudinal direction of the case body 2) and the lower surface of the protrusions 5i and 5j of the locking member 5 (the longitudinal direction of the case body 2). )
  • the position of the lock member 5 closest to the bottom 2c in the longitudinal direction with respect to the case body 2 is regulated.
  • the projections 5i and 5j of the lock member 5 move through the recesses 2z and 2m provided in the side walls 2r and 2s of the case body 2, respectively.
  • the recess 2z is provided in a region between the projections 2t and 2u in the longitudinal direction of the case body 2, and the recess 2m is provided in a region between the projections 2v and 2w in the longitudinal direction of the case body 2. be done.
  • the case body 2 and the lock member 5 can be moved integrally with the case body 2 fitted in the lock member 5 .
  • the case body 2 can be moved with respect to the lock member 5 by engaging the protrusions 5i and the recesses 2z on both sides of the case body 2 and the lock member 5, and by engaging the protrusions 5j and the recesses 2m. However, it is integrated and prevented from disassembling/falling off.
  • the case body 2 is fitted into the lock member 5, so that the cover member 4 can be easily slid with respect to the case body 2 and the lock member 5, for example, by operating with one hand.
  • the back side wall portion 2f of the case body 2 and the plate-like back side cover portion 4e of the cover member 4 face each other, so the case body 2 is placed along the back side cover portion 4e.
  • the cover member 4 can be smoothly slid with respect to the case body 2 (and the lock member 5).
  • the side wall portion 2s of the case body 2 is formed with a fitting projection 2h that protrudes in the second direction toward the side plate portion 5c of the lock member 5.
  • a fitting protrusion 5f that protrudes in the second direction toward the side wall portion 2s of the case body 2 is formed on the portion 5c.
  • the refill case 1 is provided on one of the case main body 2 or the cover member 4 (the case main body 2 in the examples shown in FIGS. 4 to 13). It has a required convex portion 2d and a required recessed portion 4c which is provided on the other of the case body 2 or the cover member 4 (the cover member 4 in the example shown in FIGS. 4 to 13) and engages with the required convex portion 2d.
  • the cover member 4 is movable with respect to the case body 2 and the lock member 5 so as to rotate about the necessary convex portion 2d and the necessary concave portion 4c. 4 to 13, the recess 4c is a hole provided in the cover member 4. As shown in FIGS.
  • the cover member 4 is movable with respect to the case main body 2 and the lock member 5 so as to rotate about the necessary convex portion 2d and the necessary concave portion 4c. , the cover member 4 can be easily slid with respect to the case body 2 and the lock member 5 .
  • the sliding direction of the cover member 4 with respect to the case body 2 is the same as the turning direction of the cover member 4 about the necessary convex portion 2d and the necessary concave portion 4c. move on track.
  • the sliding direction (rotating direction) is a direction along the second direction (the direction along the width direction of the case body 2).
  • one of the case main body 2 and the cover member 4 with which the locking member 5 engages is aligned in the crossing direction of the locking member 5 in the disengaged state (first a movement restricting portion 4b for restricting movement of the case body 2 or the cover member 4 in the direction along the two directions) from the other toward the one.
  • the cover member 4 includes the movement restricting portion 4b described above, and the movement restricting portion 4b extends in the intersecting direction (second direction) of the locking member 5 in the disengaged state. direction) from the case body 2 toward the cover member 4. As shown in FIG.
  • the movement restricting portion 4b for restricting the movement of the lock member 5 in the non-engaged state in the cross direction is provided, thereby preventing the lock member 5 from moving in the cross direction in the non-engaged state. be able to. Therefore, it is possible to prevent the sliding movement of the cover member 4 with respect to the case body 2 from being hindered due to unintended movement of the lock member 5 in the cross direction.
  • the movement restricting portion 4b extends along the sliding direction and can abut against the distal end surface 5h of the projection 5a of the locking member 5 in the non-engaged state. It has an abutment surface 4l.
  • the contact surface 4l of the movement restricting portion 4b includes the second side surface 4k of the projecting portion 4h of the back cover portion 4e.
  • the engagement groove 4a can be formed using the first side surface 4i of the protrusion 4h with a simple structure in which the protrusion 4h is provided on the cover member 4.
  • the second side surface 4k of the projecting portion 4h can be used to form the contact surface 4l of the movement restricting portion 4b.
  • the second side surface 4k described above has an arc shape. Therefore, in the disengaged state, the lock member 5, which rotates with the case body 2 about the necessary convex portion 2d and the necessary concave portion 4c with respect to the cover member 4, can be appropriately moved in the intersecting direction (direction along the second direction). can be regulated.
  • the replacement lead case 1 includes ribs 2p that protrude from the inner wall surface 2q of the case body 2 and extend along the first direction (longitudinal direction of the case body 2). .
  • the case body 2 is provided with the rib 2p that protrudes from the inner wall surface 2q of the case body 2 and extends along the first direction (the direction connecting the refill lead outlet 2a and the bottom portion 2c).
  • a plurality of stored mechanical pencil refills 3 can be divided into groups of a smaller number of refills 3 by partitioning them with ribs 2p. Therefore, as shown in FIG. 13, in a state where the extra lead extraction opening 2a of the case main body 2 is open, it becomes easy to take out the extra lead 3 of a small number.
  • the number of extra lead 3 to be separated can be adjusted.
  • the distance between the side wall portion 2s and the rib 2p is more than 1 to 2 times or less than the thickness of one refill 3, it becomes easy to separate only one refill.
  • the mechanical pencil refill case 1 includes a part including a case body 2, a part including a cover member 4, and a part including a locking member 5. , consists of only three parts.
  • the mechanical pencil lead case is constructed with a small number of parts, it is possible to more reliably maintain the closed state of the lead opening while suppressing an increase in manufacturing costs.
  • a mechanical pencil lead case comprises a cylindrical case body with a bottom for accommodating a mechanical pencil lead, and a cover member capable of closing a lead opening of the case body. At least one of the cover member and the case main body is displaced to a position where it enters into the engaging groove (keyhole portion) of the other by operation and collides with the other, thereby restricting relative sliding between the case main body and the cover member. It forms a locking mechanism that keeps the body closed.
  • the lock mechanism locking means is provided to keep the lock mechanism in an unlocked state when the lead opening is open and the mechanical pencil lead is exposed.
  • both the case body and the cover member are flat box-shaped so that they can be easily opened and closed by sliding the two together.
  • a cylindrical shape, an elliptical cylindrical shape, a triangular box shape in cross section, a rectangular box shape in cross section, or a polygonal box shape in cross section may be used as long as the advantages of the invention are not impaired.
  • the slide accompanying the opening/closing operation of the case body and the cover member can be a linear parallel movement or a meandering movement of the case body and the cover member, a configuration in which the case body and the cover member move in a fan shape about a rotation center of the connecting portion, or a double movement.
  • a rotary screw movement of a cylinder or the like may be used.
  • the case body has a lead opening at a position shorter than the total length of the mechanical pencil lead to be accommodated from the inner bottom of the case body.
  • the end of the wick should be exposed.
  • the shape of the opening edge of the refill lead opening can be rectangular, circular, elliptical, triangular, square, or polygonal, and may be different from the outer shape of the case body.
  • the cover member has a rear cover portion (slide back plate portion) with a flat inner surface between the case body and the sliding surface on which the opening cover portion (cover portion) that covers the refill opening is relatively slid. have.
  • the surface of the case body facing the back side cover portion of the cover member is also formed as a slidable back side wall portion (back plane portion). Its shape is a flat surface, but it is sufficient if the case body and the cover member slide relative to each other. It may be a flat surface, or may have an uneven relationship along a straight line or a fan-shaped rotation track. However, it can be said that smooth surfaces are advantageous in terms of manufacturing and driving.
  • a lock member is arranged in the case body so as to slide along the case body, and a part of the lock member is inserted into and removed from the engagement groove (keyhole portion) of the cover member, whereby the locked state is achieved.
  • the size of the entire mechanical pencil refill case can be changed between the unlocked state and the unlocked state, and the locked state and/or the unlocked state can be easily confirmed visually.
  • the display part may be a character or a logo, or a part of the exposed surface may be cut off or a window hole may be provided to expose the mechanical pencil lead inside. is not particularly limited as long as it can be recognized.
  • the display content may be directly provided with unevenness on the part, or the surface roughness of the display portion may be changed, or characters or logos colored by transfer or painting may be displayed as appropriate.
  • the mechanical pencil lead case is provided with a lock mechanism locking means, so that when the lead opening is open and the mechanical pencil lead is exposed, the lock mechanism is locked. It is possible to prevent erroneous operation (prohibit driving of the locking member in the unlocked state). Furthermore, prohibiting the driving of the locking member in the unlocked state prevents the locking member from operating to close the cover member and the case body (a state in which the lead for the mechanical pencil is not exposed to the outside). It is possible to prevent damage, etc. due to collision of useless members.
  • the lock mechanism engaging means is formed by forming a movement restricting portion (lock preventing wall) in the cover member so that the lock member abuts against the movement restricting portion (lock preventing wall) and is not driven as a lock mechanism.
  • a rack and pinion or a worm gear can be rotated by using the force in conjunction with the relative sliding motion between the member and the case body, or the locking member can be unlocked like the legs of a folding desk with a link mechanism.
  • the state may be maintained, and any mechanism that can prevent erroneous lock operation (prohibit driving of the lock member in the unlocked state) may be used.
  • one of the cover member in which the lock member is arranged or the case body is moved within a range of movement of the other. can also be restricted.
  • both the cover member and the case body may have barriers that limit the maximum amount of opening.
  • the materials that make up the case body, cover member, and lock member are acrylonitrile-styrene copolymer resin (AS resin), acrylonitrile-butadiene-styrene copolymer resin (ABS resin), polycarbonate resin (PC resin), and polystyrene resin (PS resin). , polyoxymethylene (polyacetal) resin (POM resin), polybutylene terephthalate resin (PBT resin), polypropylene resin (PP resin), and polyethylene terephthalate resin (PET resin). Also, if the case body, cover member and lock member are made of the same material, there is a high affinity between the materials and sliding failure may occur due to biting.
  • the case body is preferably made of a highly transparent resin such as acrylonitrile-styrene copolymer resin (AS resin) so that the refill lead for a mechanical pencil housed therein can be seen.
  • AS resin acrylonitrile-styrene copolymer resin
  • transparent color, translucent color, or coloring may be used, and can be appropriately selected depending on the application.
  • metal can be used to give a sense of luxury, and the material is not particularly limited.
  • the outer surface may be a glossy surface or textured surface, or may be decorated with printing or the like.
  • FIGS. 1 to 3 A mechanical pencil refill lead case according to an embodiment shown in FIGS. 1 to 3 will be described. Since FIGS. 1 to 3 only show the operation of the mechanical pencil lead case 1, the mechanism and locking structure required for sliding are omitted.
  • the side of the extra core outlet 2a of the case body 2 will be referred to as the upward direction, the bottom side as the bottom direction, the front side as the front direction, the back side as the back direction, and the side side as the lateral direction.
  • a mechanical pencil lead case 1 includes a box-shaped bottomed cylindrical case body 2 for accommodating a mechanical pencil lead and a lead opening 2a of the case body 2 which can be closed. It has a box-shaped cover member 4 and a convex locking member 5 for locking operation. Along the groove 2b of the case body 2, the locking member 5 is slidable upward and downward. Further, the case body 2 is slidable in the lateral direction relative to the cover member 4, and the sliding leads to expose the replacement lead extraction opening of the case body 2. As shown in FIG.
  • FIG. 1 shows a state (engaged state) in which the convex portion 5a of the lock member 5 is fitted into the engagement groove (keyhole portion) 4a of the cover member 4, and the case body 2 is engaged with the lock member 5. It is engaged with the convex portion 5a and is in a state (locked state) in which it cannot slide in the lateral direction relative to the cover member 4.
  • the locking member 5 is slid along the groove 2b of the case body 2 toward the bottom, and the projection 5a of the locking member 5 is pulled out from the engagement groove (keyhole) 4a of the cover member 4.
  • the locked state is released (disengaged state), the case main body 2 and the cover member 4 can be slid relatively in the lateral direction, and the refill lead outlet 2a of the case main body 2 is opened to open the mechanical pencil.
  • the refill lead 3 is exposed and the refill lead 3 for the mechanical pencil can be taken out (see FIG. 3).
  • the movement restricting portion (lock prevention wall) 4b of the cover member 4 is positioned above the convex portion 5a of the lock member 5, the upward movement of the lock member 5 is restricted and cannot be moved. Prevents erroneous lock operation (maintains unlocked state).
  • FIGS. 4 to 11 A mechanical pencil refill case according to one embodiment shown in FIGS. 4 to 11 will be described.
  • the side of the lead opening 2a of the case main body 2 is referred to as an upward direction
  • the bottom portion 2c side is referred to as a bottom direction
  • the front side is referred to as a front direction
  • the back side is referred to as a back direction.
  • FIG. 4 which is an exploded perspective view of the embodiment
  • FIG. 5 which is an exploded perspective view seen from the back of FIG. It has a box-shaped cylindrical case body 2 with a bottom, a flat box-shaped cover member 4 and a locking member 5 for locking operation.
  • a necessary convex portion 2d of the case body 2 and a necessary concave portion (connection hole) 4c of the cover member 4 are formed in the bottom portion of the mechanical pencil lead case 1.
  • the locking member 5 has a flat plate-shaped base portion 5b, side plate portions (side wall portions) 5c and 5d, and a bottom wall portion 5e. By covering and fitting the outside of the case body 2, it is possible to slide upward and downward relative to the case body 2. - ⁇
  • the bottom 2c of the case body 2 is provided with a groove 2x along the width direction of the case body 2.
  • the case body 2 can be bent when the projection 2d of the case body 2 is inserted into the recess 4c of the cover member 4, and damage to the case body 2 can be suppressed.
  • the necessary convex portion 2d of the case body 2 includes an oblique cut portion 2dd in which the thickness of the necessary convex portion 2d changes in a tapered shape. Furthermore, the cover member 4 is provided with a groove 4m recessed from the inner surface of the cover member 4 around the main recess 4c. Therefore, the convex portion 2d of the case body 2 can be smoothly inserted into the concave portion 4c of the cover member 4. As shown in FIG.
  • the case main body 2 has a refill opening 2a formed in a rectangular shape at a position shorter than the total length of the refill lead 3 for a mechanical pencil to be accommodated from the inner bottom 2e of the case main body 2.
  • the end of the pencil refill 3 is exposed.
  • the exposed length of the end portion of the mechanical pencil refill 3 required to hold the pencil is 1.8 mm or more and 12 mm or less.
  • the inner bottom portion 2e may be arranged obliquely or not in parallel with the refill lead opening 2a so that one or a few refill leads 3 for pencil can be easily taken out. If a large number (20 or more) of the built-in mechanical pencil lead 3 are accommodated in the case body 2 by forming ribs in the case body 2, etc., several of them are stored in the container. can be positioned in different regions, and a specific small amount (1 to 5) of mechanical pencil refills 3 can be exposed.
  • the cover member 4 has an opening cover portion (cover portion) 4d that covers the replacement lead outlet 2a, and a necessary recess (connection hole) 4c that is a necessary connection portion to the case body 2, and a portion between the two portions. is a planar back side cover portion (sliding back plate portion) 4 e facing the back side wall portion (back plane portion) 2 f of the case body 2 .
  • the locking member 5 is arranged so as to cover the abdominal side wall (abdomen) 2g on the opposite side of the back side wall (back plane) 2f of the case main body 2.
  • the case main body 2 can be opened. and the cover member 4 do not move relatively.
  • the fitting projection 2h formed on the case body 2 with the fitting projection 5f formed on the lock member 5 the locked state can be maintained.
  • the unlocked state can be maintained by engaging the fitting projection 2h formed on the case body 2 with the fitting projection 5f formed on the lock member 5.
  • FIG. Further, when the locking member 5 is slid toward the bottom of the case body 2 in order to obtain the unlocked state, the upper side of the side wall (abdomen) 2g of the case body 2 is exposed.
  • a display portion 2i indicating an unlocked state is formed on the abdominal side wall portion (abdomen) 2g to indicate the unlocked state.
  • the lead protrusion prevention wall 5g protrudes upward from the replacement lead removal opening 2a.
  • the lead protrusion prevention wall 5g formed on the lock member 5 is also lowered to a position substantially identical to the top portion 2j of the case body 2 or to a position below the top portion 2j.
  • the lead projection preventing wall 5g projects upward from the lead opening 2a, so that it functions as a shutter to prevent foreign matter from entering through the hole on the side of the lead case 1 for the mechanical pencil.
  • the mechanical pencil lead 3 is prevented by the lead protrusion prevention wall 5g. This is so as not to hinder taking out of the extra lead 3.
  • the lead protrusion prevention wall 5g may be formed on the case main body 2 side.
  • the movement restricting portion (lock prevention wall) 4b of the cover member 4 is arranged on the lock member 5, the upward movement of the lock member 5 is restricted and the unlocked state is maintained and locked. Erroneous operation of the member 5 is prevented.
  • the movement restricting portion (lock prevention wall) 4b is formed in a range that restricts the upward movement of the lock member 5 during the opening operation process of the case body 2. As shown in FIG.
  • the opening restriction wall 2k of the case body 2 and the opening restriction rib 4f of the cover member 4 come into contact with each other, so that the cover member 4 moves together with the case body 2. Since the movement range of the convex portion 5a of the locking member 5 can be restricted within the forming range of the movement restricting portion (lock prevention wall) 4b arranged so as to be positioned above the convex portion 5a, the locking member 5 can be moved upward. Therefore, it is possible to more reliably prevent erroneous lock operation (maintain the unlocked state).
  • the opening restricting wall 2k may be formed by the inner surface of a recessed portion 2o recessed from the surface of the rear side wall portion 2f.
  • the case body 2 and the cover member 4 are rotated in a fan shape relative to each other to close the lead take-out port 2a, and the lock member 5 is moved upward with respect to the case body 2.
  • the lock member 5 By performing an operation to slide it to the right, it becomes a locked state in which the state in which the replacement lead extraction port 2a is closed is maintained again.
  • the lock member 5 by sliding the lock member 5 upward with respect to the case body 2, the full length of the mechanical pencil lead case 1 is restored, so that the locked state can be easily confirmed visually.
  • the abdominal wall portion 2g of the case body 2 may have a stepped portion 2l having a surface recessed from the surface of the abdominal wall portion 2g at the end on the side of the lead opening 2a. good.
  • the clearance between the opening cover portion 4d and the case body 2 can be easily maintained. Therefore, it becomes easier to slide the cover member 4 smoothly with respect to the case body 2 .
  • the back side wall portion 2f of the case body 2 may have a recess 2n recessed from the surface of the back side wall portion 2f.
  • the concave portion 2n may extend over a range of 1/2 or more of the length of the case body 2 in the longitudinal direction of the case body 2 .
  • the surface of the back side wall portion 2 f of the case body 2 and the inner surface of the back side cover portion 4 e of the cover member 4 may be scratched.
  • the contact area between the back side wall portion 2f and the back side cover portion 4e can be reduced by providing the above-described concave portion 2n, so that the occurrence of the above-described abrasion can be suppressed.
  • the case body 2 may have a recessed portion 2y provided so as to be recessed from the abdominal wall portion 2g or the rear wall portion 2f.
  • the relief portion 2 y may be provided at a different position in the longitudinal direction of the case body 2 from the portion that accommodates the extra lead 3 .
  • the relief portion 2y is provided at a position closer to the bottom portion 2c than the inner bottom portion 2e (see FIG. 7) in the longitudinal direction of the case body 2.
  • the thickness of the material such as resin is likely to be uniform during molding of the case body 2, and sink marks can be easily prevented.
  • the base portion 5b of the locking member 5 may have a stepped portion 5k having a surface recessed from the inner surface of the base portion 5b.
  • the stepped portion 5k By providing the stepped portion 5k, the thickness of the base portion 5b of the locking member 5 is reduced, so that the thickness of the case body 2 can be easily increased.
  • the cross-sectional area of the accommodating portion of the case main body 2 for the extra lead 3 can be increased, and the extra lead 3 can be easily inserted into the case main body 2. - ⁇ Therefore, it is possible to suppress the occurrence of defects when inserting the extra lead 3 into the case main body 2 during production of the extra lead case 1 .
  • a mechanical pencil refill case (1) according to at least one embodiment of the present invention, a case body (2) for accommodating a mechanical pencil lead (3); a cover member (4) capable of opening and closing a replacement lead extraction opening (2a) of the case body by being slid with respect to the case body; an engaged state in which the cover member is engaged with one of the case body and the cover member by moving with respect to the case body and the cover member in a direction that intersects the sliding direction of the cover member with respect to the case body; a lock member (5) configured to switch between a disengaged state in which the one of the case body and the cover member is not engaged; with In the engaged state, the cover member is configured to be maintained in a state in which the replacement lead removal port is closed and in a state in which it cannot slide with respect to the case main body.
  • the mechanical pencil lead case includes a cover member capable of opening and closing the lead outlet of the case body by being slid with respect to the case body;
  • a locking member engageable with one of the cover members is provided.
  • By moving the lock member in the cross direction an engaged state where the lock member is engaged with one of the case main body and the cover member and a non-engaged state where the lock member is not engaged with the one of the case main body and the cover member. It is possible to switch the engagement state. Therefore, by engaging the lock member with either the case main body or the cover member, a state (engaged state) is maintained in which the cover member closes the replacement lead extraction opening and the cover member cannot slide. Therefore, it is possible to more reliably maintain the closed state of the refill opening. Further, by moving the lock member in the cross direction, it is possible to easily switch between the above-described engaged state and the disengaged state in which the cover member can slide with respect to the case body.
  • the one of the case main body and the cover member includes a movement restricting portion (4b) for restricting movement of the lock member in the cross direction in the disengaged state.
  • the movement restricting portion is provided for restricting the movement of the lock member in the cross direction in the disengaged state, the movement of the lock member in the disengagement state in the cross direction is prevented. can be prevented. Therefore, it is possible to prevent the sliding movement of the cover member with respect to the case main body from being hindered due to unintended movement of the lock member in the cross direction.
  • the locking member has a projection (5a) projecting from the other of the case body or the cover member in the cross direction toward the one; the one of the case main body and the cover member has an engagement groove (4a) with which the protrusion can be engaged;
  • the engaged state is a state in which the protrusion is engaged with the engagement groove, and the non-engagement state is a state in which the protrusion is not engaged with the engagement groove.
  • the engagement state may be a state in which the protrusion is fitted into the engagement groove with a slight gap.
  • the lock member is provided with the protrusion
  • the case main body or the cover member is provided with the engagement groove that can be engaged with the protrusion of the lock member. Therefore, by moving the lock member in the cross direction, the protrusion of the lock member can be engaged with the engagement groove of the case main body or the cover member, or the protrusion can be disengaged from the engagement groove. can do.
  • the one of the case main body and the cover member includes a movement restricting portion (4b) for restricting movement of the lock member in the cross direction in the disengaged state;
  • the movement restricting portion includes a contact surface (4l) extending along the slide direction and capable of contacting the distal end surface (5h) of the protrusion in the disengaged state.
  • the movement restricting portion has a surface (abutment surface) extending along the sliding direction of the cover member with respect to the case body, and the tip surface of the projection of the lock member contacts the corresponding surface. It can be brought into contact with the surface. Therefore, the contact surface prevents the lock member from moving in the cross direction in the disengaged state by the contact surface of the protrusion, and the contact surface guides the movement of the cover member in the sliding direction with respect to the case main body. be able to.
  • the cover member has the engagement groove with which the protrusion of the lock member can be engaged;
  • the case body is a belly side wall portion (2g) and a back side wall portion (2f) extending between the bottom portion (2c) of the case body and the refill lead outlet and facing each other; a pair of side wall portions (2r, 2s) connecting the abdominal side wall portion and the dorsal side wall portion;
  • the lock member is a base portion (5b) facing the abdominal wall portion of the case body; a pair of side plate portions (5c, 5d) respectively facing the pair of side wall portions of the case body,
  • One (5d) of the pair of side plate portions includes the convex portion projecting from the base portion in a direction from the bottom portion toward the replacement core outlet.
  • the side plate portion of the lock member facing one of the pair of side wall portions of the case body is provided with a protrusion protruding from the base portion, which is a simple configuration described in (3) above.
  • the cover member is an opening cover portion (4d) capable of covering the replacement core outlet; a back side cover portion (4e) facing the back side wall portion of the case body, Said engagement groove is at least partially defined by a first side surface (4i) of a projection (4h) protruding from the surface of said back cover part facing said back wall part.
  • the engagement groove is formed by using the first side surface of the protrusion, which is a simple configuration in which the cover member is provided with the protrusion that protrudes from the surface of the dorsal cover portion. can be done.
  • the cover member includes a movement restricting portion (4b) for restricting movement of the lock member in the cross direction in the disengaged state;
  • the movement restricting portion has a contact surface (4l) extending along the sliding direction and capable of contacting the tip surface (5h) of the convex portion in the disengaged state,
  • the abutment surface includes a second side surface (4k) of the protrusion of the back cover portion.
  • the engagement groove can be formed using the first side surface of the protrusion.
  • the contact surface of the movement restricting portion can be formed using the second side surface of the protrusion.
  • the cover member can be easily slid with respect to the case body and the lock member by, for example, one-handed operation.
  • the refill lead case for the mechanical pencil is a necessary convex portion (2d) provided on one of the case main body and the cover member; a necessary recess (4c) provided in the other of the case main body or the cover member and engaged with the necessary projection,
  • the cover member is movable with respect to the case main body and the lock member so as to rotate about the necessary convex portion and the necessary concave portion.
  • the cover member is movable with respect to the case main body and the lock member so as to rotate about the necessary concave portion and the necessary convex portion.
  • the cover member can be easily slid with respect to the case body and the lock member.
  • the case main body has the refill lead outlet and the bottom provided at both ends of the case main body in the first direction
  • the refill lead case for the mechanical pencil is A rib (2p) protrudes from an inner wall surface (2q) of the case body and extends along the first direction.
  • the rib is provided to protrude from the inner wall surface of the case body and extend along the first direction (that is, the direction connecting the refill opening and the bottom), A plurality of mechanical pencil refills can be divided into groups of fewer refills by partitioning them with ribs. Therefore, it becomes easy to take out a small number of extra lead in a state where the extra lead take-out opening of the case main body is open.
  • a mechanical pencil refill case according to at least one embodiment of the present invention, It comprises at least a cylindrical case body with a bottom for accommodating a mechanical pencil lead, and a cover member capable of closing the lead outlet,
  • the case main body has a refill opening at a position where the distance from the inner bottom of the case body to the refill opening is shorter than the total length of the mechanical pencil refill to be accommodated, and the end of the mechanical pencil refill is in an open state.
  • the cover member has a back side cover portion (slide back plate portion) having a planar inner surface, A slidable back side wall portion (back plane portion) is formed on a surface of the case body facing the back side cover portion (sliding back plate portion) of the cover member, By relatively sliding the back side wall (abdomen) of the case main body opposite to the back side wall (back plane) and the outer surface of the back side cover part (sliding back plate part) of the cover member, the replacement lead can be removed.
  • At least one of the cover member and the case body is displaced to a position where it enters into the engaging groove (keyhole) of the other by operation and collides, restricting the relative sliding between the case body and the cover member, and removing the extra lead.
  • a locking mechanism is provided that maintains the closed state of the mouth.
  • the refill lead case for the mechanical pencil is A lock mechanism engaging means is provided for maintaining the unlocked state of the lock mechanism in a state in which the lead opening is open to expose the lead for the mechanical pencil.
  • expressions such as “in a certain direction”, “along a certain direction”, “parallel”, “perpendicular”, “center”, “concentric” or “coaxial”, etc. express relative or absolute arrangements. represents not only such arrangement strictly, but also the state of being relatively displaced with a tolerance or an angle or distance to the extent that the same function can be obtained.
  • expressions such as “identical”, “equal”, and “homogeneous”, which express that things are in the same state not only express the state of being strictly equal, but also have tolerances or differences to the extent that the same function can be obtained. It shall also represent the existing state.
  • expressions representing shapes such as a quadrilateral shape and a cylindrical shape not only represent shapes such as a quadrilateral shape and a cylindrical shape in a geometrically strict sense, but also within the range in which the same effect can be obtained. , a shape including an uneven portion, a chamfered portion, and the like.
  • the expressions “comprising”, “including”, or “having” one component are not exclusive expressions excluding the presence of other components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
PCT/JP2022/003239 2021-01-29 2022-01-28 シャープペンシル用替芯ケース WO2022163797A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020237024810A KR20230137319A (ko) 2021-01-29 2022-01-28 샤프 펜슬용 교체심 케이스
DE112022000831.8T DE112022000831T5 (de) 2021-01-29 2022-01-28 Druckbleistiftersatzminenbehälter
CA3206422A CA3206422A1 (en) 2021-01-29 2022-01-28 Mechanical pencil refill lead case
JP2022578504A JPWO2022163797A1 (enrdf_load_stackoverflow) 2021-01-29 2022-01-28
CN202280011232.XA CN116745140A (zh) 2021-01-29 2022-01-28 自动铅笔用替换芯盒

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JP2021013075 2021-01-29
JP2021-013075 2021-01-29

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JP (1) JPWO2022163797A1 (enrdf_load_stackoverflow)
KR (1) KR20230137319A (enrdf_load_stackoverflow)
CN (1) CN116745140A (enrdf_load_stackoverflow)
CA (1) CA3206422A1 (enrdf_load_stackoverflow)
DE (1) DE112022000831T5 (enrdf_load_stackoverflow)
WO (1) WO2022163797A1 (enrdf_load_stackoverflow)

Citations (7)

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JPS62147584U (enrdf_load_stackoverflow) * 1986-03-04 1987-09-18
JPS62175982U (enrdf_load_stackoverflow) * 1986-04-30 1987-11-09
EP0485671A1 (en) * 1989-06-07 1992-05-20 PETTERSON, Tor H. Lead refill cartridge for mechanical pencil
JP3095777U (ja) * 2003-02-07 2003-08-15 海健企業股▲ふん▼有限公司 シャープペンシルの芯ケース
JP2007045052A (ja) * 2005-08-11 2007-02-22 Mitsubishi Pencil Co Ltd 替芯ケース
JP2012091432A (ja) * 2010-10-28 2012-05-17 Mitsubishi Pencil Co Ltd 替芯ケース
JP2016094221A (ja) * 2014-11-13 2016-05-26 三菱鉛筆株式会社 鉛筆芯用収納ケース

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Publication number Priority date Publication date Assignee Title
JP2585024Y2 (ja) * 1993-07-30 1998-11-11 株式会社壽 棒状物収納容器
TW590078U (en) * 2003-01-21 2004-06-01 Hsu Kuo Liang Case of pencil leads
JP2007196453A (ja) * 2006-01-24 2007-08-09 Tombow Pencil Co Ltd 替芯ケース
CN101066719B (zh) * 2007-06-01 2010-05-26 吴云飞 自动提升取物盒
JP7207066B2 (ja) * 2019-03-26 2023-01-18 ぺんてる株式会社 シャープペンシル用替芯ケース

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62147584U (enrdf_load_stackoverflow) * 1986-03-04 1987-09-18
JPS62175982U (enrdf_load_stackoverflow) * 1986-04-30 1987-11-09
EP0485671A1 (en) * 1989-06-07 1992-05-20 PETTERSON, Tor H. Lead refill cartridge for mechanical pencil
JP3095777U (ja) * 2003-02-07 2003-08-15 海健企業股▲ふん▼有限公司 シャープペンシルの芯ケース
JP2007045052A (ja) * 2005-08-11 2007-02-22 Mitsubishi Pencil Co Ltd 替芯ケース
JP2012091432A (ja) * 2010-10-28 2012-05-17 Mitsubishi Pencil Co Ltd 替芯ケース
JP2016094221A (ja) * 2014-11-13 2016-05-26 三菱鉛筆株式会社 鉛筆芯用収納ケース

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CN116745140A (zh) 2023-09-12
CA3206422A1 (en) 2022-08-04
KR20230137319A (ko) 2023-10-04
JPWO2022163797A1 (enrdf_load_stackoverflow) 2022-08-04
DE112022000831T5 (de) 2023-11-16

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