GB196130A - Mechanical pencil - Google Patents

Mechanical pencil

Info

Publication number
GB196130A
GB196130A GB385022A GB385022A GB196130A GB 196130 A GB196130 A GB 196130A GB 385022 A GB385022 A GB 385022A GB 385022 A GB385022 A GB 385022A GB 196130 A GB196130 A GB 196130A
Authority
GB
United Kingdom
Prior art keywords
tube
head
lead
cap
pencil
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
Application number
GB385022A
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
Priority to GB385022A priority Critical patent/GB196130A/en
Priority to DEF51152D priority patent/DE374601C/en
Priority to FR548010D priority patent/FR548010A/en
Publication of GB196130A publication Critical patent/GB196130A/en
Expired legal-status Critical Current

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
    • B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

196,130. Fischer, H. L. Feb. 9, 1922. Pencil-holders.. erasers. - In a pencil-holder of the type in which the propelling- mechanism is formed of separable sections, the parts of the mechanism are held together against relative longitudinal movement by a spring sleeve carried by one of the sections. The propelling - mechanism comprises a screw-threaded member 15, a slotted tube 16 and a lead-carrier 28 formed with a socket 32 for the rear end of the lead and springs ends 29, 30 to force the teeth 31 into engagement with the screw-threads of the member 15. The member 15 is spaced from the barrel 10 to form a receptacle for spare leads by collars 17, 18 secured respectively to the front and rear ends, the collar 18 screwing into the rear end of the barrel. The rear end of the slotted tube 16 is fixed in an operating-head 22 which is formed with an extension, a part 25 of which is knurled to serve as a finger-piece and the other part is recessed to contain a divided spring sleeve 26 accommodated, when the parts are assembled, in a cylindrical recess in the collar 18. The head 22 is provided with an eraser 39 covered by a cap 40 having an oval - shaped shank fitting on the head with greater friction than that exerted between the parts 26, 18, so that, when the cap is pulled outwardly, the tube 16 is drawn out. The forward end of the slot in the tube 16 is closed by lugs to prevent the disengagement of the lead-carrier 28 from the slot, so that, in order to remove the tube 16 from the member 15, it must be rotated to disengage the teeth 31 from the screw-threads. To uncover the eraser, the knurled part 25 of the head 22 is held and the cap 40 pulled off. A bead 42 on the shank of the cap engages a shoulder on the head to prevent jamming. The collar 17 at the forward end of the member 15 is formed with a conical inner surface 45 so that, after the tube 16 has ben removed and the pencil inverted, any broken pieces of lead may be readily discharged from the point section through the member 15.
GB385022A 1922-02-09 1922-02-09 Mechanical pencil Expired GB196130A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB385022A GB196130A (en) 1922-02-09 1922-02-09 Mechanical pencil
DEF51152D DE374601C (en) 1922-02-09 1922-02-16 Pen with movable refill
FR548010D FR548010A (en) 1922-02-09 1922-02-28 Mechanical pencils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB385022A GB196130A (en) 1922-02-09 1922-02-09 Mechanical pencil

Publications (1)

Publication Number Publication Date
GB196130A true GB196130A (en) 1923-04-19

Family

ID=9766095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB385022A Expired GB196130A (en) 1922-02-09 1922-02-09 Mechanical pencil

Country Status (3)

Country Link
DE (1) DE374601C (en)
FR (1) FR548010A (en)
GB (1) GB196130A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958992C (en) * 1951-01-25 1957-02-28 Scripto Inc Fountain pen

Also Published As

Publication number Publication date
FR548010A (en) 1922-12-30
DE374601C (en) 1923-04-26

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