US2372914A - Pencil lead writing utensil - Google Patents

Pencil lead writing utensil Download PDF

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Publication number
US2372914A
US2372914A US492609A US49260943A US2372914A US 2372914 A US2372914 A US 2372914A US 492609 A US492609 A US 492609A US 49260943 A US49260943 A US 49260943A US 2372914 A US2372914 A US 2372914A
Authority
US
United States
Prior art keywords
lead
pencil
writing
writing utensil
pencil lead
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
US492609A
Other languages
English (en)
Inventor
Schweitzer Arnold
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US2372914A publication Critical patent/US2372914A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/20—Contact mechanisms of dynamic converters
    • H02M1/26—Contact mechanisms of dynamic converters incorporating cam-operated contacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/006—Pencil-barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/004—Holders specially adapted for assisting handicapped or disabled persons to write

Definitions

  • the present invention refers to a pencil lead writing utensil which can be arranged, as per an example, either as a mechanical pencil, a lead holder, a pencil holder or also as a black lead or coloured lead pencil.
  • the wooden body of the black lead and of the coloured lead pencils which contains the lead is generally speaking, glossy or coated with colour, this latter rendering the outer surface polished like a mirror.
  • the surface in contact with the hand is also, in a general Way, glossy or, at least, provided with a superficial coating made only for an ornamental purpose.
  • the present invention has been made to the end of eliminating the above mentioned inconveniences by providing that the body containing the pencil lead shows a fine grained roughened part, at least at the very spots on which the fingers hold the utensil when writing.
  • the mechanical pencil, the lead holder, the pencil or the pencil holder keep their general smooth surface.
  • the fine grained spots on which the fingers rest provide a good grip and prevent the slipping without it being necessary to exert a forcible holding strain when writing.
  • Figure 1 is a side elevation of a lead holder embodying the features of the present invention.
  • Figure 2 is a side elevation of a modified form of lead holder.
  • Figure -3 is a side elevation of a pencil embodying the improvements of the present invention.
  • Figs. 1 to 3 refer to a lead holder and to a pencil. According to Fig. 1 the part A of the lead holder is roughened out. It is not a sort of roughening which renders the surface uneven, but a roughening more similar to that of a very fine emery-cloth or that of an even rubber surface, or such as produced on a metal surface which has been submitted ton sandblast.
  • the roughening can be produced either on the blank metal or on the colour-coated surface as well.
  • the holder 2 of the-pencil 3 is also provided with a roughened top part A.
  • the roughened surface can either be performed on part or extended on the whole length of the surface A, so that the adjacent surfaces 5 remain smooth, the smooth and roughened surfaces alternating about the periphery, or the whole surface may be roughened.
  • the roughening will be performed as follows on a metallic lead holder:
  • the parts of the holder which should be roughened out are subjected to a sand-blast.
  • the invented roughing can be produced on metal, on wood or on other materials as well.
  • a method of forming non-slipping surfaces on writing implements which consists in subjecting the body 0; the implement to a sand-blasting operation to produce indiscriminately disposed pits and points, and subsequently rounding out the said points in the sand-blasted surface by coating the body and said sand-blasted surface with a skin-protecting film with a paint or lacquer.
  • a writing implement including an elongated metallic body or the like, a section of said body adjacent the writing end thereof having a roughened surface defined in the material of said body composed of indiscriminately disposed pits and points, and a coating for said roughened surface, whereby a non-slipping finger-gripping surface is provided with a flesh-protecting film over the said points of the said roughened ,body

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Color Printing (AREA)
US492609A 1942-05-06 1943-06-28 Pencil lead writing utensil Expired - Lifetime US2372914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH564910X 1942-05-06

Publications (1)

Publication Number Publication Date
US2372914A true US2372914A (en) 1945-04-03

Family

ID=4520531

Family Applications (1)

Application Number Title Priority Date Filing Date
US492609A Expired - Lifetime US2372914A (en) 1942-05-06 1943-06-28 Pencil lead writing utensil

Country Status (5)

Country Link
US (1) US2372914A (ru)
BE (1) BE450188A (ru)
CH (1) CH240627A (ru)
FR (1) FR894230A (ru)
GB (1) GB564910A (ru)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735622A (en) * 1995-12-14 1998-04-07 Pentech International Inc. Writing instrument with a compressible friction coating and method of making
US6062753A (en) * 1998-08-17 2000-05-16 Pentech International Inc. Writing instrument with enhanced tactile control and gripping comfort and method of making same
US20070048061A1 (en) * 2005-08-22 2007-03-01 Travers John F Kit for Providing Modular Grip and Writing Instrument Comprising Modular Grip
US20190248172A1 (en) * 2018-02-15 2019-08-15 BeachLines LLC Beach writing utensil
USD882686S1 (en) * 2018-05-29 2020-04-28 Societe Bic Writing instrument

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735622A (en) * 1995-12-14 1998-04-07 Pentech International Inc. Writing instrument with a compressible friction coating and method of making
US6062753A (en) * 1998-08-17 2000-05-16 Pentech International Inc. Writing instrument with enhanced tactile control and gripping comfort and method of making same
US20070048061A1 (en) * 2005-08-22 2007-03-01 Travers John F Kit for Providing Modular Grip and Writing Instrument Comprising Modular Grip
US20190248172A1 (en) * 2018-02-15 2019-08-15 BeachLines LLC Beach writing utensil
USD882686S1 (en) * 2018-05-29 2020-04-28 Societe Bic Writing instrument

Also Published As

Publication number Publication date
CH240627A (de) 1946-01-15
BE450188A (ru)
FR894230A (fr) 1944-12-18
GB564910A (en) 1944-10-18

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