EP0259994A3 - Type disc for a printing device - Google Patents

Type disc for a printing device Download PDF

Info

Publication number
EP0259994A3
EP0259994A3 EP87307344A EP87307344A EP0259994A3 EP 0259994 A3 EP0259994 A3 EP 0259994A3 EP 87307344 A EP87307344 A EP 87307344A EP 87307344 A EP87307344 A EP 87307344A EP 0259994 A3 EP0259994 A3 EP 0259994A3
Authority
EP
European Patent Office
Prior art keywords
characters
segments
common
symbols
sets
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.)
Withdrawn
Application number
EP87307344A
Other languages
German (de)
French (fr)
Other versions
EP0259994A2 (en
Inventor
David Alexander Mcgrouther
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.)
Dunhill & Mcgrouther Ltd
Original Assignee
Dunhill & Mcgrouther Ltd
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
Priority claimed from GB868620230A external-priority patent/GB8620230D0/en
Priority claimed from GB868623854A external-priority patent/GB8623854D0/en
Priority claimed from GB868623852A external-priority patent/GB8623852D0/en
Priority claimed from GB868623853A external-priority patent/GB8623853D0/en
Priority claimed from GB868623880A external-priority patent/GB8623880D0/en
Priority claimed from GB868623881A external-priority patent/GB8623881D0/en
Priority claimed from GB868623879A external-priority patent/GB8623879D0/en
Application filed by Dunhill & Mcgrouther Ltd filed Critical Dunhill & Mcgrouther Ltd
Publication of EP0259994A2 publication Critical patent/EP0259994A2/en
Publication of EP0259994A3 publication Critical patent/EP0259994A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J1/00—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
    • B41J1/22—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on carriers rotatable for selection
    • B41J1/24—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on carriers rotatable for selection the plane of the type or die face being perpendicular to the axis of rotation
    • B41J1/28—Carriers stationary for impression, e.g. with the types or dies not moving relative to the carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/38—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for embossing, e.g. for making matrices for stereotypes

Landscapes

  • Printing Methods (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

A known form of printing machine for printing alphanumeric characters and symbols on an elongate tape utilises a circular font or "typedisc". The known tydedisc is a one-­ piece moulding which makes even a minor alteration in the character set expensive to achieve. In order to maximise the use of common components while avoiding the difficulties associated with individually replaceable characters, selected sub-sets of characters, symbols or patterns are mounted or formed on the periphery of a part-circular segment 3. A suitable number of segments 3 are detachably secured to a common hub 2 by mount ng means (5-9, 16a, 16b). The sub-sets of characters can be formed separately and attached to a common segment component (Figs 8-10), or formed directly on otherwise identical basic segments (Figs 11-15). Segments are readily interchangeable, and a multiplicity of typediscs can be formed from a minimum number of components (2,3, 5) which differ only in the readily formed and individualised characters (41;42) that they carry.
EP87307344A 1986-08-20 1987-08-19 Type disc for a printing device Withdrawn EP0259994A3 (en)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
GB8620230 1986-08-20
GB868620230A GB8620230D0 (en) 1986-08-20 1986-08-20 Typedisc
GB868623854A GB8623854D0 (en) 1986-10-03 1986-10-03 Typedisc
GB8623853 1986-10-03
GB8623852 1986-10-03
GB868623852A GB8623852D0 (en) 1986-10-03 1986-10-03 Typedisc segment
GB8623854 1986-10-03
GB868623853A GB8623853D0 (en) 1986-10-03 1986-10-03 Typedisc support
GB8623881 1986-10-04
GB8623880 1986-10-04
GB8623879 1986-10-04
GB868623880A GB8623880D0 (en) 1986-10-04 1986-10-04 Retaining clip assembly
GB868623881A GB8623881D0 (en) 1986-10-04 1986-10-04 Forming raised characters
GB868623879A GB8623879D0 (en) 1986-10-04 1986-10-04 Typediscs

Publications (2)

Publication Number Publication Date
EP0259994A2 EP0259994A2 (en) 1988-03-16
EP0259994A3 true EP0259994A3 (en) 1989-08-16

Family

ID=27562755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87307344A Withdrawn EP0259994A3 (en) 1986-08-20 1987-08-19 Type disc for a printing device

Country Status (1)

Country Link
EP (1) EP0259994A3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910113A1 (en) * 1978-05-01 1979-11-08 Hutchinson Ind Corp IMPROVED PRINT TYPE DESIGN
US4324498A (en) * 1980-02-26 1982-04-13 Qume Corporation Multiple index printwheel
US4339209A (en) * 1978-08-31 1982-07-13 Kabushiki Kaisha Uchida Yoko Manually operated typing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910113A1 (en) * 1978-05-01 1979-11-08 Hutchinson Ind Corp IMPROVED PRINT TYPE DESIGN
US4339209A (en) * 1978-08-31 1982-07-13 Kabushiki Kaisha Uchida Yoko Manually operated typing device
US4324498A (en) * 1980-02-26 1982-04-13 Qume Corporation Multiple index printwheel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Unexamined Application, M Field, Vol. 7, No. 189, August 18, 1983 The Patent Office Japanese Government page 85 M 237 * Kokai-No. 58-90 963 (Nippon Denki K.K.) * *

Also Published As

Publication number Publication date
EP0259994A2 (en) 1988-03-16

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Legal Events

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Inventor name: MCGROUTHER, DAVID ALEXANDER