GB805573A - Improvements in writing instruments - Google Patents

Improvements in writing instruments

Info

Publication number
GB805573A
GB805573A GB462757A GB462757A GB805573A GB 805573 A GB805573 A GB 805573A GB 462757 A GB462757 A GB 462757A GB 462757 A GB462757 A GB 462757A GB 805573 A GB805573 A GB 805573A
Authority
GB
United Kingdom
Prior art keywords
unit
writing
lever
barrel
plunger
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
GB462757A
Original Assignee
Ernest Verrinder Wagner
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 Ernest Verrinder Wagner filed Critical Ernest Verrinder Wagner
Priority to GB462757A priority Critical patent/GB805573A/en
Publication of GB805573A publication Critical patent/GB805573A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons

Abstract

805,573. Reservoir pens. WAGNER, E. V. Feb. 11, 1957, No. 4627/57. Glass 146(3) In a writing instrument of the kind in which a writing unit is spring retractable axially in the forward end of the barrel and a plunger is manually displaceable axially of the rear end of the barrel but can be releasably held in an inwardly displaced position to retain the writing tip of the unit in writing position, the plunger carries a detent lever arranged to bear on the rear end of the writing :unit so that axial thrust of the spring, acting through the unit, tends to rock the detent lever into holding engagement with the barrel. As shown, a ball-point pen unit 2 is pressed rearwardly by a spring 5 into engagement with the nose 13 of a lever 12 pivoted at 11 to an axially displaceable plunger 7. The unit 2 has a domed head 14 such that the lever is urged in the direction of the arrow 20. The rear end of the lever 12 has a lateral projection formed with steps 15, 16. The unit 2 is retained in writing position by engagement of the step 15 with the upper edge - of a hole 17 in the one-piece barrel 1 and in retracted position by engagement of the step 16 with such edge. The plunger may be forked and the lever 12 fitted between the limbs 9, 10 one of which is longer than the other. To replace the writing unit 2, the step 16 is pressed inwardly beyond the edge of the hole 17, whereupon the plunger assembly and. unit 2 can be withdrawn from the barrel 1.
GB462757A 1957-02-11 1957-02-11 Improvements in writing instruments Expired GB805573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB462757A GB805573A (en) 1957-02-11 1957-02-11 Improvements in writing instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB462757A GB805573A (en) 1957-02-11 1957-02-11 Improvements in writing instruments

Publications (1)

Publication Number Publication Date
GB805573A true GB805573A (en) 1958-12-10

Family

ID=9780736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB462757A Expired GB805573A (en) 1957-02-11 1957-02-11 Improvements in writing instruments

Country Status (1)

Country Link
GB (1) GB805573A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037483A (en) * 1959-01-20 1962-06-05 Italiana Matite Lyra S A V L F Autoamtic ball-point pen
US3051131A (en) * 1958-06-11 1962-08-28 Faber Castell A W Retractable ball-point pen
US3146758A (en) * 1961-07-03 1964-09-01 W A Shaeffer Pen Company Writing implement
US3303337A (en) * 1963-07-02 1967-02-07 Lo Kan Cheung Illuminated writing instruments

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051131A (en) * 1958-06-11 1962-08-28 Faber Castell A W Retractable ball-point pen
US3037483A (en) * 1959-01-20 1962-06-05 Italiana Matite Lyra S A V L F Autoamtic ball-point pen
US3146758A (en) * 1961-07-03 1964-09-01 W A Shaeffer Pen Company Writing implement
US3303337A (en) * 1963-07-02 1967-02-07 Lo Kan Cheung Illuminated writing instruments

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