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GB1064734A - Improvements in and relating to marking instruments - Google Patents

Improvements in and relating to marking instruments

Info

Publication number
GB1064734A
GB1064734A GB4784963A GB4784963A GB1064734A GB 1064734 A GB1064734 A GB 1064734A GB 4784963 A GB4784963 A GB 4784963A GB 4784963 A GB4784963 A GB 4784963A GB 1064734 A GB1064734 A GB 1064734A
Authority
GB
United Kingdom
Prior art keywords
marking
coil spring
relating
marking instruments
retractable
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
GB4784963A
Inventor
John Towse
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.)
OPPENHEIMER Ltd S
Original Assignee
OPPENHEIMER Ltd S
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 OPPENHEIMER Ltd S filed Critical OPPENHEIMER Ltd S
Priority to GB4784963A priority Critical patent/GB1064734A/en
Publication of GB1064734A publication Critical patent/GB1064734A/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
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

1,064,734. Multiple-retractable marking instruments. S. OPPENHEIMER Ltd. Feb. 24, 1965 [Dec. 4, 1963], No. 37849/63. Heading B6P. In a multiple-retractable marking instrument, a marking element is attached to each end of a coil spring 4, which is guided in U- shaped fashion over a guide wheel 3C. A U-shaped wire 5 locates the coil spring 2 substantially concentric with the axis of the wheel 3C during movement of the coil spring to retract and project the marking elements.
GB4784963A 1963-12-04 1963-12-04 Improvements in and relating to marking instruments Expired GB1064734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4784963A GB1064734A (en) 1963-12-04 1963-12-04 Improvements in and relating to marking instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4784963A GB1064734A (en) 1963-12-04 1963-12-04 Improvements in and relating to marking instruments

Publications (1)

Publication Number Publication Date
GB1064734A true GB1064734A (en) 1967-04-05

Family

ID=10446462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4784963A Expired GB1064734A (en) 1963-12-04 1963-12-04 Improvements in and relating to marking instruments

Country Status (1)

Country Link
GB (1) GB1064734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176749A (en) * 1985-06-21 1987-01-07 Gillette Co Pen with rotary retraction device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176749A (en) * 1985-06-21 1987-01-07 Gillette Co Pen with rotary retraction device
US4917519A (en) * 1985-06-21 1990-04-17 The Gillette Company Writing instruments with rotatable wheel actuator

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