MX149985A - Mejoras a portaminas - Google Patents

Mejoras a portaminas

Info

Publication number
MX149985A
MX149985A MX181516A MX18151680A MX149985A MX 149985 A MX149985 A MX 149985A MX 181516 A MX181516 A MX 181516A MX 18151680 A MX18151680 A MX 18151680A MX 149985 A MX149985 A MX 149985A
Authority
MX
Mexico
Prior art keywords
pencils
Prior art date
Application number
MX181516A
Other languages
English (en)
Inventor
Walter C Ganz
Original Assignee
Walgan Corp
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 Walgan Corp filed Critical Walgan Corp
Publication of MX149985A publication Critical patent/MX149985A/es

Links

Classifications

    • 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
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
    • B43K24/146—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means with cam control
    • 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
    • B43K27/00—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/02—Combinations of pens and pencils
MX181516A 1979-03-26 1980-03-11 Mejoras a portaminas MX149985A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/023,885 US4221491A (en) 1979-03-26 1979-03-26 Pen construction

Publications (1)

Publication Number Publication Date
MX149985A true MX149985A (es) 1984-02-24

Family

ID=21817747

Family Applications (1)

Application Number Title Priority Date Filing Date
MX181516A MX149985A (es) 1979-03-26 1980-03-11 Mejoras a portaminas

Country Status (12)

Country Link
US (1) US4221491A (es)
EP (1) EP0026212A4 (es)
JP (1) JPS56500290A (es)
AR (1) AR224761A1 (es)
AU (1) AU534847B2 (es)
BR (1) BR8007869A (es)
CA (1) CA1115237A (es)
ES (1) ES256679Y (es)
IT (1) IT1126959B (es)
MX (1) MX149985A (es)
WO (1) WO1980002011A1 (es)
ZA (1) ZA801096B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026891U (ja) * 1983-07-29 1985-02-23 アキ貿易株式会社 筆記具
JPS6246694A (ja) * 1985-08-26 1987-02-28 株式会社　ジヤパンクラフト 複式筆記具
US4968168A (en) * 1989-01-04 1990-11-06 Chern Hann Tzong Ballpoint pen with clicking
US9004792B2 (en) * 2011-12-29 2015-04-14 Sanford, L.P. Eraser cap assembly for writing instrument
US10118435B2 (en) 2015-06-23 2018-11-06 The Berea Hardwoods Co., Inc. Lever-actuated pen
FR3080327A1 (fr) * 2018-04-19 2019-10-25 Societe Bic Instrument d'ecriture multifonction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943453C (de) * 1953-11-26 1956-05-17 Adolf Waldmann Fa Wechselschreibstift mit durch eine Endkappe zu betaetigender Minentraegervorschub- und Rueckholvorrichtung
US3164132A (en) * 1962-07-13 1965-01-05 Chromatic Corp Retractable multiple unit writing instrument
JPS553160B2 (es) * 1972-03-21 1980-01-23
US3797945A (en) * 1972-12-26 1974-03-19 N Zepell Multi-tip writing instrument with swinging door selector
JPS5537421Y2 (es) * 1976-10-16 1980-09-02

Also Published As

Publication number Publication date
ES256679Y (es) 1982-04-16
AU5582380A (en) 1980-10-02
ZA801096B (en) 1981-03-25
ES256679U (es) 1981-10-16
IT8047985A0 (it) 1980-02-22
AU534847B2 (en) 1984-02-16
EP0026212A1 (en) 1981-04-08
JPS56500290A (es) 1981-03-12
BR8007869A (pt) 1981-02-03
US4221491A (en) 1980-09-09
AR224761A1 (es) 1982-01-15
IT1126959B (it) 1986-05-21
WO1980002011A1 (en) 1980-10-02
CA1115237A (en) 1981-12-29
EP0026212A4 (en) 1981-07-16

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