GB422767A - Improvements in and relating to propelling pencils - Google Patents

Improvements in and relating to propelling pencils

Info

Publication number
GB422767A
GB422767A GB20573/34A GB2057334A GB422767A GB 422767 A GB422767 A GB 422767A GB 20573/34 A GB20573/34 A GB 20573/34A GB 2057334 A GB2057334 A GB 2057334A GB 422767 A GB422767 A GB 422767A
Authority
GB
United Kingdom
Prior art keywords
tube
rod
sleeve
spring
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
GB20573/34A
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.)
LUDWIG FREDERICK BRENNER
Original Assignee
LUDWIG FREDERICK BRENNER
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 LUDWIG FREDERICK BRENNER filed Critical LUDWIG FREDERICK BRENNER
Publication of GB422767A publication Critical patent/GB422767A/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

422,767. Pencil holders. BRENNER, L. F., 10, Herne Hill Mansions, Herne Hill, London. July 13, 1934, No. 20573. Convention date, July 13, 1933. [Class 146 (iii)] A propelling pencil comprises propelling and expelling mechanism in which a lead-gripping tube slides against the action of a spring on a driving rod which is adapted to engage a threaded sleeve, and in which the tube is arrested by an abutment inside the tip at its forward limit of motion, and the sleeve is supported inside the barrel by a longitudinally fluted member forming a star-shaped reservoir for spare leads. Secured to the end of a driving rod j is a crosshead k, which passes through a slotted tube g and engages a threaded sleeve d. The sleeve d is secured to the pencil barrel a by a longitudinally grooved tube f. A lead-holding tube h is slidably mounted on the rod j and is provided with a collar m which serves to guide it in the tube g ; between the collar m and the crosshead k lies a spiral spring l. The forward end of the tube h is flattened to prevent rotation of the flat rod j, and two tongues h<1> are bent down to engage in a slot o in the rod to prevent the spring l from forcing the rod out of the tube h.
GB20573/34A 1933-07-13 1934-07-13 Improvements in and relating to propelling pencils Expired GB422767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE422767X 1933-07-13

Publications (1)

Publication Number Publication Date
GB422767A true GB422767A (en) 1935-01-17

Family

ID=6466031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20573/34A Expired GB422767A (en) 1933-07-13 1934-07-13 Improvements in and relating to propelling pencils

Country Status (1)

Country Link
GB (1) GB422767A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630628A (en) * 1968-11-04 1971-12-28 John Roman Propelling pencils
US4997299A (en) * 1989-11-21 1991-03-05 Suzuno Kasei Co., Ltd. Cosmetic container

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630628A (en) * 1968-11-04 1971-12-28 John Roman Propelling pencils
US4997299A (en) * 1989-11-21 1991-03-05 Suzuno Kasei Co., Ltd. Cosmetic container

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