ES2031521T3 - Lapiz mecanico giratorio de tipo impacto. - Google Patents

Lapiz mecanico giratorio de tipo impacto.

Info

Publication number
ES2031521T3
ES2031521T3 ES198787310356T ES87310356T ES2031521T3 ES 2031521 T3 ES2031521 T3 ES 2031521T3 ES 198787310356 T ES198787310356 T ES 198787310356T ES 87310356 T ES87310356 T ES 87310356T ES 2031521 T3 ES2031521 T3 ES 2031521T3
Authority
ES
Spain
Prior art keywords
movement
mine
clamp
advance
mechanical pencil
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.)
Expired - Lifetime
Application number
ES198787310356T
Other languages
English (en)
Inventor
Robert V. Lozeau
Hidehei Cno Kotobuki & Co. Ltd. Kageyama
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.)
Kotobuki and Co Ltd
AT Cross Co
Original Assignee
Kotobuki and Co Ltd
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
Priority claimed from JP1986180740U external-priority patent/JPH0636952Y2/ja
Priority claimed from JP1987091654U external-priority patent/JPS649783U/ja
Application filed by Kotobuki and Co Ltd, AT Cross Co filed Critical Kotobuki and Co Ltd
Application granted granted Critical
Publication of ES2031521T3 publication Critical patent/ES2031521T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B43K21/003—Propelling pencils with lead sections or lead cartridges
    • 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
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • 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
    • B43K21/20—Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines
    • 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

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

LAPIZ MECANICO DEL TIPO DE ACCIONAMIENTO GIRATORIO EN EL QUE LOS CILINDROS EXTERIORES DELANTERO (1) Y TRASERO (17) SE HACEN GIRAR DE FORMA RELATIVA, UN MECANISMO DE CONVERSION POR MOVIMIENTO DE LEVA ALMACENADO EN EL CILINDRO EXTERIOR DELANTERO TRANSFORMA EL MOVIMIENTO GIRATORIO EN UN MOVIMIENTO AXIAL DE AVANCE O RETROCESO, EL MECANISMO DE ALIMENTACION DE LA MINA DEL LAPIZ (7) PUEDE ALIMENTAR LA MINA CON LA LONGITUD DESEADA DESDE EL FINAL DEL EXTREMO DEL LAPIZ MECANICO MEDIANTE UNA OPERACION DE GOLPETEO EN EL MANGO COMPRENDIENDO: UN CILINDRO EXCENTRICO (14) GIRATORIO COMPLETAMENTE CON EL CILINDRO EXTERIOR TRASERO; UN MECANISMO DE LEVA GIRATORIA PARA CONVERTIR EL MOVIMIENTO GIRATORIO DEL CILINDRO EXCENTRICO EN UN MOVIMIENTO DE AVANCE O RETROCESO ALTERNANTE MIENTRAS HAGA CONTACTO DESLIZABLE CON LA SUPERFICIE EXCENTRICA FORMADA EN LA SUPERFICIE DEL FINAL DEL EXTREMO DEL CILINDRO EXCENTRICO; UN MECANISMO DE ALIMENTACION DE LA MINA INCLUYE UN MECANISMO DE AVANCE O RETROCESO TAL COMO UN ADAPTADORDE CAJITA CON DOS RUEDAS ARRASTRADORAS PARA HACER AVANZAR O RETROCEDER LA MINA UNIDA POR MORDAZA AL FINAL DEL EXTREMO MEDIANTE UN MOVIMIENTO ALTERNANTE APLICADO A TRAVES DEL MECANISMO EXCENTRICO GIRATORIO, UNA MORDAZA PARA LA MINA (9) PARA SUJETARLA, Y UN ELEMENTO DE APRIETE (10) INSERTADO LIBREMENTE EN EL FINAL DE LA EXTREMIDAD DE LA MORDAZA DE LA MINA PARA SUJETAR O SOLTAR LA MORDAZA DE LA MINA CUANDO SE REALIZA EL MOVIMIENTO PARA SU AVANCE.
ES198787310356T 1986-11-25 1987-11-24 Lapiz mecanico giratorio de tipo impacto. Expired - Lifetime ES2031521T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1986180740U JPH0636952Y2 (ja) 1986-11-25 1986-11-25 シヤ−プペンシル
JP1987091654U JPS649783U (es) 1987-06-15 1987-06-15

Publications (1)

Publication Number Publication Date
ES2031521T3 true ES2031521T3 (es) 1992-12-16

Family

ID=26433089

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787310356T Expired - Lifetime ES2031521T3 (es) 1986-11-25 1987-11-24 Lapiz mecanico giratorio de tipo impacto.

Country Status (8)

Country Link
US (2) US4895467A (es)
EP (1) EP0271249B1 (es)
BR (1) BR8706372A (es)
CA (1) CA1311723C (es)
DE (1) DE3779733T2 (es)
ES (1) ES2031521T3 (es)
IE (1) IE60498B1 (es)
MX (1) MX172904B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895467A (en) * 1986-11-25 1990-01-23 Kotobuki & Co., Ltd. Rotary knock type mechanical pencil
FR2693953B1 (fr) * 1992-07-24 1994-10-21 Dupont S T Instrument d'écriture à mine.
EP0600299B1 (en) * 1992-12-03 1997-02-19 KOTOBUKI & CO., LTD. Writing instrument
JPH0858284A (ja) * 1994-08-29 1996-03-05 Kotobuki:Kk シャープペンシル
JP3466739B2 (ja) 1994-10-28 2003-11-17 株式会社壽 シャープペンシルのスライダ
JPH10166783A (ja) * 1996-10-07 1998-06-23 Kotobuki Kk ダブルチャック式シャープペンシル
TW396962U (en) * 1997-01-31 2000-07-01 Pentel Kk Mechanical pencil
US6247863B1 (en) * 1999-12-10 2001-06-19 Casio Lin Press type mechanical pencil
US6921223B2 (en) * 2003-09-15 2005-07-26 Sanford, L.P. Combo pen
FR2861331B1 (fr) * 2003-10-22 2006-03-03 Bic Soc Porte-mine
US7066042B2 (en) * 2004-01-07 2006-06-27 Sanford L.P. Advancing/retracting mechanism
AU2006210461B2 (en) * 2005-02-03 2011-03-31 Sanford, L.P. Travel multiplier mechanisms for writing instruments
US8480323B2 (en) 2010-04-30 2013-07-09 A.T.X. International, Inc. Expandable writing instrument
US8734040B2 (en) 2011-06-09 2014-05-27 A.T.X. International, Inc. Multi-function writing instrument with propulsion mechanism
JP2014058097A (ja) * 2012-09-18 2014-04-03 Micro Kk シャープペンシル
JP7752847B2 (ja) * 2021-05-14 2025-10-14 ミクロ株式会社 芯折れ防止機構付きシャープペンシル

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB480717A (en) * 1936-08-28 1938-02-28 Mabie Todd & Company Ltd Improvements in or relating to propelling pencils
US2166751A (en) * 1937-11-26 1939-07-18 Frank P Cooper Mechanical pencil
DE2606939C3 (de) * 1976-02-20 1980-10-02 Gebr. Schmidt, Fabrik Fuer Feinmechanik, 7742 St Georgen Schreibgerät für dünne Bleiminen
AU505312B1 (en) * 1977-08-05 1979-11-15 Zebra Co. Ltd. Writing instrument
DE2912408A1 (de) * 1978-04-01 1979-10-04 Ancos Co Ltd Schreibgeraet, insbesondere mechanischer drehbleistift
JPS54131426A (en) * 1978-04-01 1979-10-12 Ancos Co Ltd Rotary sliding mechanical pencil
GB1581410A (en) * 1978-05-31 1980-12-10 Gillette Co Propelling pencil
JPS56154384U (es) * 1980-04-21 1981-11-18
US4620811A (en) * 1984-01-26 1986-11-04 Kotobuki & Co., Ltd. Mechanical pencil
US4619539A (en) * 1984-02-13 1986-10-28 Kotobuki & Co, Ltd. Mechanical pencil equipped with lead-storing cartridge
JPS60260396A (ja) * 1984-06-08 1985-12-23 株式会社　寿 シヤ−プペンシルの組立方法
US4714365A (en) * 1985-01-26 1987-12-22 Kabushikikaisha Kotobuki Mechanical pencil
JPS61262194A (ja) * 1985-05-16 1986-11-20 岩崎金属工業株式会社 シヤ−プペンシル
DE3668140D1 (de) * 1985-08-20 1990-02-15 Kotobuki & Co Ltd Minenvorschubmechanismus fuer fuellminenstift.
US4895467A (en) * 1986-11-25 1990-01-23 Kotobuki & Co., Ltd. Rotary knock type mechanical pencil
US4917518A (en) * 1988-12-27 1990-04-17 Chern Hann Tzong Automatic pencil

Also Published As

Publication number Publication date
DE3779733D1 (de) 1992-07-16
EP0271249A1 (en) 1988-06-15
CA1311723C (en) 1992-12-22
BR8706372A (pt) 1988-07-19
EP0271249B1 (en) 1992-06-10
US4895467A (en) 1990-01-23
IE60498B1 (en) 1994-07-27
IE873180L (en) 1988-05-25
MX172904B (es) 1994-01-20
DE3779733T2 (de) 1993-01-28
US5022772A (en) 1991-06-11

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