WO2011118392A1 - ボールペン - Google Patents

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Publication number
WO2011118392A1
WO2011118392A1 PCT/JP2011/055540 JP2011055540W WO2011118392A1 WO 2011118392 A1 WO2011118392 A1 WO 2011118392A1 JP 2011055540 W JP2011055540 W JP 2011055540W WO 2011118392 A1 WO2011118392 A1 WO 2011118392A1
Authority
WO
WIPO (PCT)
Prior art keywords
slit
core
center
shaft cylinder
slide
Prior art date
Application number
PCT/JP2011/055540
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
絵里子 清水
巧 山脇
Original Assignee
ゼブラ株式会社
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 ゼブラ株式会社 filed Critical ゼブラ株式会社
Priority to JP2012506924A priority Critical patent/JP5876821B2/ja
Priority to CN201180015610.3A priority patent/CN102821972B/zh
Publication of WO2011118392A1 publication Critical patent/WO2011118392A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/12—Ball-point pens with retractable ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/04—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by means sliding in longitudinally-slotted casings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels

Definitions

  • the present invention relates to a side knock type ballpoint pen.
  • the writing instrument described in this gazette is a multi-core type ballpoint pen, and includes a plurality of knock portions in which the center core can be freely attached and detached.
  • Each knock part is provided with a convex part arranged side by side in the longitudinal direction, and the knock part is always urged by a coil spring.
  • the pushed-down knock part maintains the locked state, and as a result, the state where the core protrudes from the shaft part is maintained. Moreover, when storing a center core in an axial part, other knock parts are pushed down and a latching state is cancelled
  • An object of the present invention is to provide a ballpoint pen whose structure is simplified.
  • the present invention relates to a ballpoint pen having a core that is movable in the axial direction within a shaft cylinder.
  • a shaft cylinder formed with a slit for centering and extending in the axial direction, and an extension provided in the slit for centering and extending,
  • a core holder that is inserted into the shaft cylinder and holds the core, and
  • the core holder is A holder body for holding the core;
  • One end is fixed to the holder body and extends in the shaft tube, and has an urging force outward in the radial direction of the shaft tube;
  • a slide part that is provided at the free end of the arm and protrudes from the slit for centering in and out, It is characterized by having a locking convex portion that is provided with the width of the slide portion widened on the side surface of the slide portion, and that enters the extended portion of the center protrusion / distraction slit.
  • This ball-point pen has a center holder inserted into the shaft cylinder, and the center holder is provided with a slide portion that moves in the axial direction along the center core intrusion slit.
  • the core can be set in a writable state by moving the slide portion forward, and the core can be set in the retracted state by moving the slide portion backward.
  • the slide part is elastically supported by the holder body by the arm part, an extension part is formed in the slit for centering and retracting, and a locking convex part is provided on the side surface of the slide part. Has a biasing force toward the outside in the radial direction of the shaft tube.
  • the locking protrusion of the slide part is inserted into the extended part of the center protrusion / disengagement slit.
  • Such a configuration simplifies the structure. If the extended portion of the center protrusion / slit slit is provided at a position where the slide portion is restricted in a state where the center core can be written, the center core does not retreat during writing. Further, if the extended portion of the slit for extending and retracting the center is provided at a position where the slide portion is restricted in a state where the center can be stored, the center does not become writable during carrying.
  • a spiral coil spring is provided at the tip of the holder body, and the holder body and the spiral coil spring are integrally formed of resin.
  • the free length of the helical coil spring is such that the tip of the helical coil spring is pressed against the spring abutting portion in the shaft cylinder when the core is in a writing state due to the advance of the slide portion, and the core is retracted by the retraction of the slide portion.
  • the tip of the helical coil spring is set to such a length as to be separated from the spring abutting portion in the shaft tube.
  • the helical coil spring when the core is in the retracted state, the helical coil spring is not loaded, so the helical coil spring made of resin is difficult to sag, and even if the helical coil spring is molded with resin, The initial spring force can be maintained for a long time.
  • the shaft cylinder is provided with a center core replacement slit extending from the rear end of the center core indentation slit to the rear end of the shaft cylinder, and the width of the center core replacement slit is the width of the center indentation slit. It is more preferable that the rear end of the slide portion is in contact with the rear end of the slit for centering and retracting. In such a configuration, the rear end of the slide part is brought into contact with the rear end of the center protrusion / retraction slit so that the slide part does not easily enter the center replacement slit.
  • the center axis of the center protrusion / distraction slit and the center axis of the center replacement slit are parallel and offset in the circumferential direction of the shaft tube.
  • the slide part can be moved with a strong force when retracting the center part to retract the center.
  • the slide portion may enter the core replacement slit, and the slide portion may come out of the shaft tube.
  • the rear end of the slide part can be It can be surely brought into contact with the rear end of the centering slit, making it difficult for the slide part to enter the center core replacement slit during normal use and reliably preventing the slide part from slipping out of the shaft tube. be able to.
  • the shaft cylinder is provided with a molding shrinkage restricting portion that projects from the side wall so as to block the passage of the core replacement slit halfway.
  • a molding shrinkage restricting portion that projects from the side wall so as to block the passage of the core replacement slit halfway.
  • a widened operation part is provided at the top of the slide part.
  • the slide part has a slit insertion part to be inserted into the slit for replacing the core. It is preferable to extend in the direction.
  • first and second partitioning pieces are formed between the front expansion portion and the rear expansion portion so as to face each other so as to narrow the width of the center protrusion / distraction slit.
  • the front end of the first partition piece is aligned with the front end of the second partition piece, and the first partition piece located on the extension of the core replacement slit is shorter in the axial direction than the second partition piece.
  • the front end of the locking projection is preferably located behind the front end of the slit insertion part.
  • the slide part stops. After that, when the slide part is moved to the center axis line side of the slit for centering and retracting so as to return to the center in the extension part on the rear side, the locking convex part embedded in the extension part on the rear side becomes in the extension part on the rear side. However, at this time, the front end of the locking projection of the slide portion is arranged so as to abut on the rear end surface of the second partition piece. Therefore, the slide part is less likely to be rattled in the extension part on the rear side during assembly work, and the assembly operation feeling is improved.
  • the structure can be simplified.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 3.
  • 1 is a longitudinal sectional view of a ballpoint pen according to the present invention. It is a front view which shows a center core holder.
  • FIG. 7 is a sectional view taken along line VII-VII in FIG. 6. It is a longitudinal cross-sectional view which shows the ball-point pen of a writing state.
  • the pen tip side is referred to as “front side”.
  • the same or equivalent components are denoted by the same reference numerals in the drawings, and redundant description is omitted.
  • the ballpoint pen 1 has a shaft cylinder 2 made of resin (for example, polypropylene), and a core insertion hole 2 a is formed in the shaft cylinder 2.
  • the loaded core 3 can be exchanged.
  • the front half part of the shaft cylinder 2 has an outer diameter formed into a hexagonal cross section so that it can be easily gripped during writing and is difficult to roll on a desk or the like.
  • a clip 4 is integrally formed at the rear portion of the shaft tube 2.
  • the shaft insertion hole 2a of the shaft cylinder 2 extends from the front end to the rear end of the shaft cylinder 2, and resin (for example, from the opening 2b of the rear end 2c of the shaft cylinder 2 is inserted into the center core insertion hole 2a.
  • a core holder 6 made of (polyacetal) is inserted.
  • the center core 3 is inserted into the center core holder 6 from the rear end side, and the rear end portion of the center core 3 is held by the center core holder 6.
  • the core mounting portion 7 that enables the rear end of the core 3 to be held and the core 3 to be inserted and removed.
  • a helical coil spring 5 that is integrally formed with the front cylindrical portion 8.
  • the core mounting part 7 and the front cylinder part 8 are connected by a connecting piece 9 having an elastic restoring force and extending in the direction of the axis L, and the core mounting part 7, the front cylinder part 8 and the connecting piece 9
  • the holder body 10 is configured.
  • the holder body 10 and the helical coil spring 5 are integrally formed of resin. As a result, the number of parts can be simplified, and as a result, the cost can be reduced.
  • the connecting piece 9 in the holder body 10, it is possible to reduce the weight of the core holder 6, and since the connecting piece 9 has elasticity, some warping occurs in the core holder 6. Even in this case, the center core holder 6 can be moved along the axis L smoothly and surely in the center core insertion hole 2a.
  • the middle core mounting portion 7 protrudes so as to narrow the middle core insertion hole 7a in the rear side cylindrical portion 7b, and a rear side cylindrical portion 7b having a bottomed middle core insertion hole 7a that enables the insertion of the middle core 3.
  • a triangular core-shaped convex pressing portion 7c The top of the center core pressing projection 7c extends perpendicular to the axis L and enables line contact with the center core 3. Accordingly, the core 3 can be securely held, and the core 3 can be easily inserted and removed during replacement.
  • the core holder 6 has an elastic arm portion 11 whose tip is fixed to the front cylindrical portion 8 of the holder main body portion 10.
  • the arm portion 11 extends opposite to the connecting piece 9, extends in the axis L direction in the shaft cylinder 2, and has an urging force directed outward in the radial direction of the shaft cylinder 2.
  • a slide portion 12 is formed at the free end of the arm portion 11 so as to protrude in the radial direction of the shaft tube 2.
  • the slide portion 12 protrudes outward from a centering / departing slit 13 formed in the shaft cylinder 2, and the centering / departing slit 13 extends in the direction of the axis L.
  • the centering protrusion 13 is provided with two rectangular expansion portions 14 and 15 having a wide width (see FIG. 3). And between the front side expansion part 14 and the rear side expansion part 15, the rectangular partition pieces 18 and 19 protrude from the axial cylinder 2 so that the width
  • the side surface 12 a of the slide portion 12 is provided with a locking convex portion 17 formed by widening the width of the sliding portion 12.
  • the slits 13 enter the extended portions 14 and 15 from the inside of the shaft cylinder 2.
  • a widened operation portion 20 is formed at the top of the slide portion 12, and a retaining portion 21 that extends in the longitudinal direction of the slide portion 12 with the same width as the locking projection 17 is formed at the bottom of the slide portion 12. Is formed. Then, the locking projection 17 projects toward the operation unit 20 in the retaining portion 21.
  • the locking projection 17 having a trapezoidal shape an inclined surface 17a is formed on the front side, and a locking surface 17b substantially orthogonal to the axis L is formed on the rear side.
  • the locking projection 17 of the slide portion 12 protruding from the expansion portion 14 has a locking surface 17b that abuts against the wall surface of the expansion portion 14 of the slit 13 for center protrusion (front wall surfaces of the rectangular partition pieces 18 and 19). Can be securely locked.
  • the tip of the helical coil spring 5 is pressed by a spring abutting portion 2d formed as a step portion in the shaft tube 2 when the core 3 is in a writing state (see FIG. 8).
  • the free length of the spiral spring 5 is set to a length that creates such a state.
  • the free length of the helical coil spring 5 is set slightly longer than the distance between the front end of the front cylinder portion 8 and the spring abutting portion 2d at the time of writing.
  • the core holder 6 is not retracted by utilizing the elastic force of the helical coil spring 5, but the core holder 6 is retracted manually and the core 3 is retracted (see FIG. 5), the helical coil spring 5 is always in an unloaded state.
  • the operation unit 20 is pushed down with a finger, and the slide unit 12 is moved forward along the slit 13 for centering. At this time, the slide portion 12 sinks while the inclined surface 17 a hits the front wall surface (the rear wall surfaces of the partition pieces 18 and 19) of the extended portion 15.
  • the locking projection 17 completely sinks into the shaft tube 2, and then, as shown in FIG. 8, when the finger is moved away from the operation unit 20, the locking projection 17 is It protrudes from the extended portion 14 on the front side due to the elastic force of the arm portion 11. Then, due to the spring force of the helical coil spring 5, the locking surface 17 b is pressed against the wall surface of the expansion portion 14 of the center protrusion / distraction slit 13 (front wall surfaces of the partition pieces 18 and 19). Thereby, the retraction of the core 3 is restricted during writing, and the core 3 is not retracted by the writing pressure.
  • the shaft cylinder 2 is provided with a core replacement slit 30 that extends from the rear end 13 a of the center protrusion / retraction slit 13 to the rear end 2 c of the shaft cylinder 2.
  • the center protrusion / slit 13 and the center replacement slit 30 are communicated with each other, and the width of the center replacement slit 30 is narrower than the width of the center protrusion 13. Further, the center axis P1 of the center protrusion / distraction slit 13 and the center axis P2 of the center replacement slit 30 coincide with each other.
  • the rear end 13a of the slit 13 for center protrusion / distraction can be made to contact
  • the locked state of the part 12 is maintained, and the slide part 12 is made difficult to enter the core replacement slit 30.
  • the slide portion 12 has a slit insertion portion 31 inserted into the core replacement slit 30 between the operation portion 20 and the locking projection 17. It extends in the front-rear direction along the bottom surface 20 a of the operation unit 20.
  • the width of the slit insertion part 31 having grooves formed on both sides is slightly smaller than the width of the core replacement slit 30. Therefore, the slide portion 12 does not easily enter the core replacement slit 30 unless the operation portion 20 is pushed back.
  • the shaft cylinder 2A includes a center extending from the rear end 13a of the center protrusion / distraction slit 13A to the rear end 2c of the shaft cylinder 2A.
  • a core replacement slit 30A is provided, and the width of the center core replacement slit 30A is narrower than the width of the center core protrusion / retraction slit 13A. Touch.
  • center axis P1 of the center protrusion / distraction slit 13A and the center axis P2 of the center replacement slit 30A are parallel and offset in the circumferential direction of the shaft cylinder 2A. Since one wall surface 13c forming the center protrusion / distraction slit 13A and one wall surface 30c forming the core replacement slit 30A are aligned in a straight line, the wall surfaces 13c, 30c are replaced during the center replacement. , The slide portion 12A can be smoothly moved between the center protrusion / distraction slit 13A and the center replacement slit 30A.
  • the slide part 12A When exchanging the core 3, the slide part 12A is moved laterally from the center while pushing the slide part 12A in the extension part 15A on the rear side from above, and the central axis of the slit insertion part 31 and the slit 30A for replacing the core Is aligned with the central axis P2. Thereafter, the slide portion 12A is continuously retracted while being pushed, so that the slit insertion portion 31 passes through the passage S of the core replacement slit 30A, and the slide portion 12A is extracted from the rear end 2c of the shaft tube 2A. The core holder 6A is discharged from 2A.
  • the front end 17 c of the locking projection 17 A of the core holder 6 A is aligned with the front end 31 a of the slit insertion portion 31.
  • the front end 17c of the latching convex part 17A of 6 A of center core holders, the front end 31a of the slit insertion part 31, and the 1st and 2nd partition piece 18 between 14 A of front side expansion parts, and 15 A of rear side expansion parts , 19 are formed as surfaces orthogonal to the central axis P1 of the centering / retracting slit 13A.
  • the front end face 18b of the first partition piece 18 and the front end face 19b of the second partition piece 19 are aligned as a plane orthogonal to the central axis P1
  • the rear end face 18a of the first partition piece 18 and the first end face 18b The rear end surface 19a of the two partition pieces 19 is aligned as a surface orthogonal to the central axis P1.
  • the rear surfaces of the first and second partition pieces 18 and 19 are formed with inclined surfaces 18c and 19c continuous with the rear end surfaces 18a and 19a. However, the inclined surfaces 18c and 19c may not be provided. .
  • the front end 31a of the slit insertion portion 31 hits the first partition piece 18.
  • the front end 17c of the locking projection 17A of the core holder 6A is slit. If it is located behind the front end 31a of the insertion portion 31, the following problems occur. After the front end 31a of the slit insertion portion 31 comes into contact with the first partition piece 18, when the slide portion 12A is laterally moved back to the center (P1) within the rear expansion portion 15A, The backlash is generated by the distance between the front end 17c of the convex portion 17A and the front end 31a of the slit insertion portion 31, and this makes the assembling work feeling worse. Therefore, in order to eliminate such problems, the front end 17 c of the locking projection 17 A is aligned with the front end 31 a of the slit insertion portion 31.
  • a hooking portion 17 d that protrudes toward the front end 31 a of the slit insertion portion 31 is formed on the top of the locking convex portion 17 ⁇ / b> B provided in the core holder 6 ⁇ / b> Aa.
  • the hook portion 17d is hooked on the inclined surfaces 18c and 19c of the first and second partition pieces 18 and 19, thereby making it difficult for the slide portion 12Aa to move forward.
  • the tip end of the core 3 protrudes from the tip end of the shaft cylinder 2A to be in a writing state.
  • the front end of the hook portion 17 d is aligned with the front end 31 a of the slit insertion portion 31.
  • the front end 17c of the locking convex portion 17A has a slit insertion portion corresponding to a length obtained by subtracting the total length of the first partition piece 18A from the total length of the second partition piece 19. 31 is retracted from the front end 31a.
  • the front end 31a of the slit insertion portion 31 of the slide portion 12B is the first end 31a.
  • the slide part 12B stops by coming into contact with the rear end 18d of the partition piece 18A. Thereafter, when the slide portion 12B is moved to the center axis P1 side of the center protrusion / retraction slit 13B so as to return to the center in the rear extension portion 15B, the latching protrusion embedded in the rear extension portion 15B.
  • the portion 17A appears in the rear extended portion 15B.
  • the front end 17c of the locking convex portion 17A of the slide portion 12B is disposed so as to contact the rear end surface 19a of the second partition piece 19. It will be. Therefore, the slide portion 12B is less likely to rattle within the rear extension portion 15B during the assembly operation, and the assembly work feeling is improved.
  • the locking projection 17A is an important part related to the protrusion and withdrawal of the core 3, and when the front end surface 17c of the locking projection 17A is greatly deformed, the sliding portion 12B is formed on the rear end surface 19a of the second partition piece 19. Although it is difficult to securely lock the locking projection 17A, such a situation is easily avoided by positioning the front end 17c of the locking projection 17A behind the front end 31a of the slit insertion portion 31. .
  • a hook portion 17 d that protrudes toward the front end 31 a of the slit insertion portion 31 is formed on the top of the locking convex portion 17 ⁇ / b> C provided in the core holder 6 ⁇ / b> Ba.
  • the hook portion 17d is hooked on the inclined surface 19c of the second partition piece 19, so that the slide portion 12Ba is difficult to move forward. It is avoided that the tip of the core 3 jumps out of the head and enters a writing state.
  • the free length of the helical coil spring 5 can be increased and used to return the slide portion 12.
  • the spiral coil spring 5 and the holder main body 10 may be separated.
  • the material of the helical coil spring 5 and the holder body 10 may be different.
  • a steel helical coil spring 5 may be used.
  • the core holder 6 may be a two-color molded product in which a steel spring material is inserted into the helical coil spring 5.
  • a plurality of center core holders are arranged in the circumferential direction in the shaft cylinder, and the slide portion of each core holder is protruded from the surface of the shaft cylinder.
  • the shaft tube is formed with centering protrusions and recesses corresponding to the slide portions.
  • the shaft cylinder 2C projects from both side walls 30d and 30e toward the central axis P2 so as to block the passage S extending in the direction of the central axis P2 of the center core replacement slit 30B.
  • Molding shrinkage restricting portions 40 and 41 are provided. And each shaping
  • the end of the passage S such as the core replacement slits 30 and 30A is opened. Therefore, when resin shrinkage occurs due to molding, the side walls of the core replacement slits 30 and 30A Deformation is likely to occur. Therefore, the passage S of the core replacement slits 30B and 30C is made difficult to be affected by the resin shrinkage by adopting the molding shrinkage restricting portions 40, 41 and 42. If the molding shrinkage restricting portions 40, 41, 42 are V-shaped or curved, even if the passage S is narrowed by the molding shrinkage restricting portions 40, 41, 42, the slide portions 12, 12A, 12B. Can easily pass through the core replacement slits 30B and 30C.
  • a connecting piece 9A as a modification has a U-shaped cross section. Thereby, the bending of the core holders 6, 6A, 6B is less likely to occur in the connecting piece 9A.
  • the structure of the ballpoint pen can be simplified.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
PCT/JP2011/055540 2010-03-23 2011-03-09 ボールペン WO2011118392A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012506924A JP5876821B2 (ja) 2010-03-23 2011-03-09 ボールペン
CN201180015610.3A CN102821972B (zh) 2010-03-23 2011-03-09 圆珠笔

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-066609 2010-03-23
JP2010066609 2010-03-23

Publications (1)

Publication Number Publication Date
WO2011118392A1 true WO2011118392A1 (ja) 2011-09-29

Family

ID=44672955

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/055540 WO2011118392A1 (ja) 2010-03-23 2011-03-09 ボールペン

Country Status (3)

Country Link
JP (1) JP5876821B2 (zh)
CN (1) CN102821972B (zh)
WO (1) WO2011118392A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848803A (zh) * 2012-10-15 2013-01-02 王元鸿 滑动式笔
WO2017059949A1 (de) * 2015-10-05 2017-04-13 Staedtler Mars Gmbh & Co. Kg Verwendung von elementen für schreib-, zeichen-, markier- und/oder malgeräte oder kosmetikgeräte oder eingabegeräte

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109605984B (zh) * 2018-12-27 2020-05-22 温州市简系文具有限公司 一种按压释放笔
CN110936755B (zh) 2019-12-22 2020-10-09 杭州简弈科技有限公司 一种可拆滑动笔
CN110962491B (zh) * 2019-12-22 2020-10-27 杭州简弈科技有限公司 一种按压滑动笔

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US4551035A (en) * 1982-12-08 1985-11-05 The Gillette Company Marking instrument
JPH0413390U (zh) * 1990-05-24 1992-02-03
JPH07314979A (ja) * 1994-05-24 1995-12-05 Kotobuki:Kk ノック式筆記具
JP2514850Y2 (ja) * 1988-02-26 1996-10-23 ぺんてる株式会社 消しゴムホルダー

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JPH0657691U (ja) * 1993-01-18 1994-08-09 孝之 安藤 ノック式ボールペン
JPH0740190U (ja) * 1993-12-28 1995-07-18 株式会社壽 ノック式筆記具
JP4472964B2 (ja) * 2003-10-09 2010-06-02 ゼブラ株式会社 筆記具
CN201201421Y (zh) * 2008-01-09 2009-03-04 株式会社寿 按压式笔具
CN201235987Y (zh) * 2008-07-01 2009-05-13 昆山希安思塑料制品有限公司 一种弹簧与开关用球的一体化装置
EP2327564B1 (en) * 2008-07-24 2015-04-08 Kotobuki & Co., Ltd. Knock type writing instrument
JP5753663B2 (ja) * 2010-03-23 2015-07-22 ゼブラ株式会社 ボールペン

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551035A (en) * 1982-12-08 1985-11-05 The Gillette Company Marking instrument
JP2514850Y2 (ja) * 1988-02-26 1996-10-23 ぺんてる株式会社 消しゴムホルダー
JPH0413390U (zh) * 1990-05-24 1992-02-03
JPH07314979A (ja) * 1994-05-24 1995-12-05 Kotobuki:Kk ノック式筆記具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848803A (zh) * 2012-10-15 2013-01-02 王元鸿 滑动式笔
WO2017059949A1 (de) * 2015-10-05 2017-04-13 Staedtler Mars Gmbh & Co. Kg Verwendung von elementen für schreib-, zeichen-, markier- und/oder malgeräte oder kosmetikgeräte oder eingabegeräte

Also Published As

Publication number Publication date
CN102821972B (zh) 2015-04-08
JP5876821B2 (ja) 2016-03-02
CN102821972A (zh) 2012-12-12
JPWO2011118392A1 (ja) 2013-07-04

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