US1469432A - Pencil sharpener - Google Patents

Pencil sharpener Download PDF

Info

Publication number
US1469432A
US1469432A US484758A US48475821A US1469432A US 1469432 A US1469432 A US 1469432A US 484758 A US484758 A US 484758A US 48475821 A US48475821 A US 48475821A US 1469432 A US1469432 A US 1469432A
Authority
US
United States
Prior art keywords
blade
pencil
pencil sharpener
plate
cutting edges
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
US484758A
Other languages
English (en)
Inventor
Bernhard Hans
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
Priority to CH89961D priority Critical patent/CH89961A/de
Priority to DE1920344830D priority patent/DE344830C/de
Priority to FR538907D priority patent/FR538907A/fr
Application filed by Individual filed Critical Individual
Priority to US484758A priority patent/US1469432A/en
Priority to GB1926321A priority patent/GB166550A/en
Application granted granted Critical
Publication of US1469432A publication Critical patent/US1469432A/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
    • B43L23/06—Sharpeners for pencils or leads in which the pencils or leads are sharpened by only axial movement against cutting blades

Definitions

  • the present invention relates to a pencil sharpener operated by hand with a reciprocating movement and consists of an upright blade provided with a row of parallel ohliipie grooves made by milling and presenting on at least one side sharp cutting! edges and of a guide plate joining on the side face of the cutting edges at an acute angle to the blade so as to form a kind of a furrow provided at its surface with tile cuts in order to cause, when the pencil held ill a slight ineliinition. is executin its reciprocating movement and is sliding with its point on the ground of the furrow, the wood to be cut on the cutting edges and the lead to be Slltii ⁇ '1tl]0il by the file cuts.
  • Fig. 1 is a plan
  • Fig. 2 a side elevation
  • Fig. 3 a cross section of a first form.
  • Fig. 4 is a perspective view of a blade swording to Figures 1 to 3.
  • ⁇ Vith regard to Figures 1 to 31 l is an up right blade provided with a row of parallel ohliquc grooves made by milling and pres-"entiug on both sides sharp cutting edges.
  • Th s blade projects from out of a longitudinal slot 3 spaced within a channel-shaped guide plate 2 which plate being provided with file cuts it) is adapted to point the lead of the pencil.
  • the blade 1 fixed by a single screw l on the center line oi a base plate 5 having bent up borders is located between two upright parallel edges (3 upon the beveled edges of which the guide plate 2 is held first by means of two claws 8 provided at the two ends of blade 1.
  • two lateral slots 7 are spaced between the two rii'lg'es on both sides of the blade said slots having slanting bottoms 9 in order 1921.
  • the lead pencil has to be kept at a slight inclination and bearing with its point to the bottom of the channel formed by the blade 1 and the guide plate 2 and has to be moved to and fro while pressing the Wood against the cutting edges of the blade. In doing so the wood of the pencil will be shaved by the cutting edges and the lead be sharpened on the file cuts, the cuttings and filings dropping to the base plate.
  • an uprigit blade provided with cutting edges and with a claw at each end, a base-plate with two central parallel ridges forming a channel adapted to receive the blade a guidelate having a central slot into which the oot of the blade is extended so as to rest with the claws on the guideplate and a screw screwed from the bottom into the blade so as to hold it down to the base-plate together with the guide-plate.
  • testiinonv whereof I afilx my signature in presence of two witnesses.

Landscapes

  • Knives (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Drawing Aids And Blackboards (AREA)
US484758A 1920-07-16 1921-07-14 Pencil sharpener Expired - Lifetime US1469432A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH89961D CH89961A (de) 1920-07-16 1920-07-16 Schreibstiftspitzer.
DE1920344830D DE344830C (enrdf_load_stackoverflow) 1920-07-16 1920-12-22
FR538907D FR538907A (fr) 1920-07-16 1921-07-12 Dispositif pour appointir des caryons
US484758A US1469432A (en) 1920-07-16 1921-07-14 Pencil sharpener
GB1926321A GB166550A (enrdf_load_stackoverflow) 1920-07-16 1921-07-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH89961T 1920-07-16
US484758A US1469432A (en) 1920-07-16 1921-07-14 Pencil sharpener

Publications (1)

Publication Number Publication Date
US1469432A true US1469432A (en) 1923-10-02

Family

ID=23925482

Family Applications (1)

Application Number Title Priority Date Filing Date
US484758A Expired - Lifetime US1469432A (en) 1920-07-16 1921-07-14 Pencil sharpener

Country Status (5)

Country Link
US (1) US1469432A (enrdf_load_stackoverflow)
CH (1) CH89961A (enrdf_load_stackoverflow)
DE (1) DE344830C (enrdf_load_stackoverflow)
FR (1) FR538907A (enrdf_load_stackoverflow)
GB (1) GB166550A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH89961A (de) 1921-07-16
GB166550A (enrdf_load_stackoverflow) 1922-04-13
FR538907A (fr) 1922-05-17
DE344830C (enrdf_load_stackoverflow) 1921-12-11

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