ES2129290A1 - Lapiz mecanico. - Google Patents

Lapiz mecanico.

Info

Publication number
ES2129290A1
ES2129290A1 ES09501685A ES9501685A ES2129290A1 ES 2129290 A1 ES2129290 A1 ES 2129290A1 ES 09501685 A ES09501685 A ES 09501685A ES 9501685 A ES9501685 A ES 9501685A ES 2129290 A1 ES2129290 A1 ES 2129290A1
Authority
ES
Spain
Prior art keywords
lead
advancing mechanism
cam
sleeve
rotation
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES09501685A
Other languages
English (en)
Other versions
ES2129290B1 (es
Inventor
Kageyama Shuhei
Ebinuma Tadayoshi
Thomas Clem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT Cross Co
Original Assignee
AT Cross Co
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 AT Cross Co filed Critical AT Cross Co
Publication of ES2129290A1 publication Critical patent/ES2129290A1/es
Application granted granted Critical
Publication of ES2129290B1 publication Critical patent/ES2129290B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means
    • 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
    • B43K29/02—Combinations of writing implements with other articles with rubbers

Abstract

Lápiz mecánico. Un lápiz mecánico tiene un manguito delantero, un capuchón montado de modo rotativo y desprendible en el extremo trasero del manguito delantero, y un mecanismo de avance de la mina contenido en el manguito delantero. El lápiz mecánico evita la rotura de la mina y tiene costes de fabricación bajos. El mecanismo de leva rotativa, que hace avanzar la mina, tiene una leva rotativa y un manguito con leva empujado para que apoye sobre la leva rotativa. Un diámetro interior del extremo delantero del manguito con leva es mayor que un diámetro exterior del extremo trasero del mecanismo de avance de la mina de manera que exista un huelgo en sentido radial. Un diámetro interior del extremo trasero del mecanismo de avance de la mina es mayor que el diámetro exterior de una mina para que exista también un huelgo entre ambos. Debido a estos huelgos, si se cae el lápiz, la mina no se rompe a causa de la distorsión del mecanismo de avance de la mina.
ES009501685A 1994-08-29 1995-08-24 Lapiz mecanico. Expired - Fee Related ES2129290B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6203741A JPH0858284A (ja) 1994-08-29 1994-08-29 シャープペンシル

Publications (2)

Publication Number Publication Date
ES2129290A1 true ES2129290A1 (es) 1999-06-01
ES2129290B1 ES2129290B1 (es) 1999-12-16

Family

ID=16479089

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009501685A Expired - Fee Related ES2129290B1 (es) 1994-08-29 1995-08-24 Lapiz mecanico.

Country Status (13)

Country Link
US (1) US5662424A (es)
JP (1) JPH0858284A (es)
KR (1) KR0148084B1 (es)
CN (1) CN1056563C (es)
CA (1) CA2155713C (es)
DE (1) DE19532830B4 (es)
ES (1) ES2129290B1 (es)
FR (1) FR2723885B1 (es)
GB (1) GB2292910B (es)
HK (1) HK1000767A1 (es)
IE (1) IE950654A1 (es)
IT (1) IT1281743B1 (es)
MY (1) MY113314A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643933C1 (de) * 1996-10-30 1998-03-12 Thomas Dipl Ing Loeffler Verfahren zur Herstellung von Schraubverbindungen
US6921223B2 (en) * 2003-09-15 2005-07-26 Sanford, L.P. Combo pen
DE102007003469B4 (de) * 2007-01-24 2013-09-05 Faber-Castell Ag Drehbleistift
JP4847946B2 (ja) * 2007-12-28 2011-12-28 三菱鉛筆株式会社 シャープペンシル
JP5509562B2 (ja) * 2008-09-29 2014-06-04 ぺんてる株式会社 回転出没式の筆記具
JP5670259B2 (ja) * 2011-06-03 2015-02-18 三菱鉛筆株式会社 樹脂成形品およびこれを用いた筆記具
CN108698433B (zh) * 2016-04-27 2020-05-22 株式会社寿 活心铅笔

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1581410A (en) * 1978-05-31 1980-12-10 Gillette Co Propelling pencil
FR2465600A1 (fr) * 1979-09-21 1981-03-27 Ancos Cy Ltd Porte-mine du type a mecanisme tournant
EP0271249A1 (en) * 1986-11-25 1988-06-15 A.T. Cross Company Rotary knock type mechanical pencil
US4896982A (en) * 1985-08-20 1990-01-30 Kotobuki & Co. Ltd. Lead feed mechanism for mechanical pencil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB479937A (en) * 1936-08-17 1938-02-15 Mabie Todd & Company Ltd Improvements in or relating to pencil holders
GB1017390A (en) * 1962-12-21 1966-01-19 Frank Theodore Johman Mechanical pencil
US3630629A (en) * 1969-12-16 1971-12-28 Kreisler Mfg Mechanical writing instrument
US4702634A (en) * 1982-05-17 1987-10-27 Parker Pen (Benelux) B.V. Continuous feed mechanical pencil with push button lead feed actuator
PH24367A (en) * 1985-12-30 1990-06-13 Kotobuki & Co Ltd Writing tools
JPH0636952Y2 (ja) * 1986-11-25 1994-09-28 株式会社寿 シヤ−プペンシル
US4995467A (en) * 1989-06-09 1991-02-26 Niemann Gary O Method and apparatus for weighing and dispensing objects
JPH06106892A (ja) * 1992-09-28 1994-04-19 Iwasaki Kinzoku Kogyo Kk 繰出式筆記具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1581410A (en) * 1978-05-31 1980-12-10 Gillette Co Propelling pencil
FR2465600A1 (fr) * 1979-09-21 1981-03-27 Ancos Cy Ltd Porte-mine du type a mecanisme tournant
US4896982A (en) * 1985-08-20 1990-01-30 Kotobuki & Co. Ltd. Lead feed mechanism for mechanical pencil
EP0271249A1 (en) * 1986-11-25 1988-06-15 A.T. Cross Company Rotary knock type mechanical pencil

Also Published As

Publication number Publication date
CA2155713C (en) 2006-02-07
HK1000767A1 (en) 1998-04-24
CN1056563C (zh) 2000-09-20
CN1131099A (zh) 1996-09-18
IT1281743B1 (it) 1998-02-27
GB9517219D0 (en) 1995-10-25
ITMI951790A1 (it) 1997-02-22
FR2723885A1 (fr) 1996-03-01
ES2129290B1 (es) 1999-12-16
KR960007201A (ko) 1996-03-22
GB2292910A (en) 1996-03-13
CA2155713A1 (en) 1996-03-01
GB2292910B (en) 1997-09-17
MY113314A (en) 2002-01-31
DE19532830A1 (de) 1996-03-07
JPH0858284A (ja) 1996-03-05
IE950654A1 (en) 1996-03-06
DE19532830B4 (de) 2006-07-13
US5662424A (en) 1997-09-02
ITMI951790A0 (it) 1995-08-22
KR0148084B1 (ko) 1998-08-17
FR2723885B1 (fr) 1997-12-12

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