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GB934160A - Improvements in and relating to writing instruments - Google Patents

Improvements in and relating to writing instruments

Info

Publication number
GB934160A
GB934160A GB2036361A GB2036361A GB934160A GB 934160 A GB934160 A GB 934160A GB 2036361 A GB2036361 A GB 2036361A GB 2036361 A GB2036361 A GB 2036361A GB 934160 A GB934160 A GB 934160A
Authority
GB
United Kingdom
Prior art keywords
sleeve
carrier
instrument
writing
parts
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
GB2036361A
Inventor
Ronald William Hare
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GB2036361A priority Critical patent/GB934160A/en
Publication of GB934160A publication Critical patent/GB934160A/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
    • B43K24/06Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means

Landscapes

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

Abstract

934,160. Writing instruments. JOHNSON, MATTHEY & CO. Ltd. May 24, 1962 [June 6, 1961], No. 20363/61. Class 146 (3). Mechanism for retracting or projecting a writing instrument 4, such as a ball pen or a pencil, with respect to an outer casing 15, comprises a cylindrical writing-instrument carrier 2, a sleeve 7 slidably but non-rotatably mounted on the carrier and shorter than the carrier, and an operating member 11 rotatable but axially immovable with respect to the sleeve 7, the member 11 having a part 11a extending into a space between the sleeve 7 and corner 2 and formed with an operating cam 12 so that relative rotation between the parts 7, 11 causes projection of the instrument against the action of a retracting spring 13 situated between the inner end 3 of the carrier 2 and the member 11. The cam 12 acts on a pin 6 which is attached to the carrier 2 and engages a slot 8 in the sleeve 7 to prevent relative rotation between the parts 2, 7. Relative axial movement between the parts 7, 11 is prevented by crimping the sleeve 7 slightly into engagement with the member 11. The end 2b of the carrier 2 is hollow and split to receive the end 4 of the writing instrument 5. The outer casing 15 is attached to the mechanism by means of a threaded sleeve 14 on the casing and a threaded part 9 on the sleeve 7. An operating cap 16 can be pressed over a knurled part of the member 11. Specification 849,460 is referred to.
GB2036361A 1961-06-06 1961-06-06 Improvements in and relating to writing instruments Expired GB934160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2036361A GB934160A (en) 1961-06-06 1961-06-06 Improvements in and relating to writing instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2036361A GB934160A (en) 1961-06-06 1961-06-06 Improvements in and relating to writing instruments

Publications (1)

Publication Number Publication Date
GB934160A true GB934160A (en) 1963-08-14

Family

ID=10144692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2036361A Expired GB934160A (en) 1961-06-06 1961-06-06 Improvements in and relating to writing instruments

Country Status (1)

Country Link
GB (1) GB934160A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792931A (en) * 1972-02-11 1974-02-19 K C Pen Co Inc Writing instrument
US3944371A (en) * 1975-04-16 1976-03-16 Stacie Pen Corporation Retractable writing implement
FR2338147A1 (en) * 1976-01-16 1977-08-12 Textron Inc WRITING INSTRUMENT
FR2536016A1 (en) * 1982-11-11 1984-05-18 Koh I Noor Hardtmuth BALL STYLOGRAPH WITH INK RESERVE CARTRIDGE SUPPORTED ELASTICALLY
US5342135A (en) * 1993-08-17 1994-08-30 The Gillette Company Writing instrument having advance-retract mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792931A (en) * 1972-02-11 1974-02-19 K C Pen Co Inc Writing instrument
US3944371A (en) * 1975-04-16 1976-03-16 Stacie Pen Corporation Retractable writing implement
FR2338147A1 (en) * 1976-01-16 1977-08-12 Textron Inc WRITING INSTRUMENT
FR2536016A1 (en) * 1982-11-11 1984-05-18 Koh I Noor Hardtmuth BALL STYLOGRAPH WITH INK RESERVE CARTRIDGE SUPPORTED ELASTICALLY
US5342135A (en) * 1993-08-17 1994-08-30 The Gillette Company Writing instrument having advance-retract mechanism

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