US1554891A - Sharpener for pencils and the like - Google Patents

Sharpener for pencils and the like Download PDF

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Publication number
US1554891A
US1554891A US660345A US66034523A US1554891A US 1554891 A US1554891 A US 1554891A US 660345 A US660345 A US 660345A US 66034523 A US66034523 A US 66034523A US 1554891 A US1554891 A US 1554891A
Authority
US
United States
Prior art keywords
knives
sharpener
wedge
graphite
pencils
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
US660345A
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English (en)
Inventor
Spaninger Ferdinand
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 US1554891A publication Critical patent/US1554891A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads
    • B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades

Definitions

  • Each knife is provided with a projecting lug at its front end, i. e. its small end, and there are provided, at the entrance to the wedge-shaped recess 9, corresponding notches ⁇ into which the lugs 70 engage when the knives have been introduced into said recess, whereby the knives are secured in their proper operative position.
  • the two lugs 70 pertaining to a knife are moved a littletowards each other whereby the lugs aredisengaged from the notches 70.
  • each. double-knife is provided with two re Termins 70 located at the converging cutting or sharpening edges, where the two knives forming apair are connected with each other.
  • the cut-ting or sharpening edges are somewhat shortened near the place of connection, and the object of the pair of recesses at each angle is to prevent the graphite point from breaking off.
  • the body a contains also a chamber a which is closed by a lid-forming screw m and is intended to receive spare [doubleknives or other small parts.
  • a file 0 is .attached to the body a; and held .in place by dove-tailed guides 79 so as to bedetachable fromthe body and to permit sharpening the graphite end or point also separately, i. e. not by means of the knives h h, .especially in such a manner that instead of a pointed end a wedge-shaped end, like the operative end of a screw-driver, is produced.
  • the external shape of the body maybe as (desired.
  • a sharpener for pencils and the like comprising, in combination, a body having a conical bore adapted to receive the shell of the pencil etc., a wedge-shaped recess adapted to receive separatesharpening knives for the freed end of the graphite etc., a cutting knife extending through a slot of the body into the conical bore, two double-knives arranged side by side in the said chamber, and consisting each of two trapezoidal knives connected with each other at their broad ends and diverging towards their small ends, the connected ends being located at the inner end of the Wedge-shaped recess, means for securing these knives in their operative position, and a detachable file attached to 10 the said body, substantially as described.

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  • Drawing Aids And Blackboards (AREA)
US660345A 1922-09-12 1923-08-31 Sharpener for pencils and the like Expired - Lifetime US1554891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES60870D DE415369C (de) 1922-09-12 1922-09-12 Bleistiftschaerfer

Publications (1)

Publication Number Publication Date
US1554891A true US1554891A (en) 1925-09-22

Family

ID=10115294

Family Applications (1)

Application Number Title Priority Date Filing Date
US660345A Expired - Lifetime US1554891A (en) 1922-09-12 1923-08-31 Sharpener for pencils and the like

Country Status (4)

Country Link
US (1) US1554891A (de)
DE (1) DE415369C (de)
FR (1) FR588236A (de)
GB (1) GB235037A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018002454B3 (de) 2018-03-23 2019-04-04 Möbius & Ruppert GmbH & Co. KG Spitzer für Stifte

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966228C (de) * 1953-07-24 1957-07-18 Klebes & Co K G Kunststoff U M Bleistiftspitzer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018002454B3 (de) 2018-03-23 2019-04-04 Möbius & Ruppert GmbH & Co. KG Spitzer für Stifte

Also Published As

Publication number Publication date
FR588236A (fr) 1925-05-04
DE415369C (de) 1925-11-30
GB235037A (en) 1925-06-11

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