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CH251898A - Mechanical pencils. - Google Patents

Mechanical pencils.

Info

Publication number
CH251898A
CH251898A CH251898DA CH251898A CH 251898 A CH251898 A CH 251898A CH 251898D A CH251898D A CH 251898DA CH 251898 A CH251898 A CH 251898A
Authority
CH
Switzerland
Prior art keywords
mechanical pencils
pencils
mechanical
Prior art date
Application number
Other languages
French (fr)
Inventor
Fabrique Suisse De Cra Anonyme
Original Assignee
Caran D Ache Crayons
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 Caran D Ache Crayons filed Critical Caran D Ache Crayons
Publication of CH251898A publication Critical patent/CH251898A/en

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
    • B43K21/04—Writing-core feeding mechanisms with the writing-cores brought into position by gravity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/08—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially
    • F16D11/12—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially with clutching members movable otherwise than only axially

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CH251898D 1945-12-28 1945-12-28 Mechanical pencils. CH251898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH938026X 1945-12-28

Publications (1)

Publication Number Publication Date
CH251898A true CH251898A (en) 1947-11-30

Family

ID=4549262

Family Applications (1)

Application Number Title Priority Date Filing Date
CH251898D CH251898A (en) 1945-12-28 1945-12-28 Mechanical pencils.

Country Status (2)

Country Link
CH (1) CH251898A (en)
FR (1) FR938026A (en)

Also Published As

Publication number Publication date
FR938026A (en) 1948-09-02

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