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IE810303L - Printing apparatus/typewriter - Google Patents

Printing apparatus/typewriter

Info

Publication number
IE810303L
IE810303L IE30381A IE30381A IE810303L IE 810303 L IE810303 L IE 810303L IE 30381 A IE30381 A IE 30381A IE 30381 A IE30381 A IE 30381A IE 810303 L IE810303 L IE 810303L
Authority
IE
Ireland
Prior art keywords
printing
band
mainspring
energy
transmission assembly
Prior art date
Application number
IE30381A
Original Assignee
Engineering Res Applic Inc
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 Engineering Res Applic Inc filed Critical Engineering Res Applic Inc
Publication of IE810303L publication Critical patent/IE810303L/en

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
    • B41J1/20—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on endless bands or the like

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

The printing unit includes a thin, lightweight, circular, bidirectionally shiftable, distensible synthetic resin band having printing characters thereon, along with a single, spring-powered impression hammer for selectively engaging and distending the band toward the page in order to print a selected character. Printing and letter spacing are concurrently initiated and accomplished using only a single, windable, energystoring mainspring and a mechanical energy transmission assembly coupling the rack and gear assembly and printer in parallel. The transmission assembly includes gearing for withdrawing a limited, predetermined amount of motive energy from the mainspring for each printing cycle, and for distributing such energy to achieve band spin and character selection, hammer cocking, and letterspacing translation of the carriage. [EP0034484A1]
IE30381A 1980-02-19 1981-02-16 Printing apparatus/typewriter IE810303L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12276180A 1980-02-19 1980-02-19

Publications (1)

Publication Number Publication Date
IE810303L true IE810303L (en) 1981-08-19

Family

ID=22404613

Family Applications (1)

Application Number Title Priority Date Filing Date
IE30381A IE810303L (en) 1980-02-19 1981-02-16 Printing apparatus/typewriter

Country Status (8)

Country Link
EP (1) EP0034484A1 (en)
JP (1) JPS56129188A (en)
AU (1) AU6730181A (en)
BR (1) BR8100979A (en)
CA (1) CA1170600A (en)
ES (1) ES8204656A1 (en)
GR (1) GR73695B (en)
IE (1) IE810303L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930011430B1 (en) * 1990-02-28 1993-12-06 삼성전자 주식회사 Digital signal recording circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE182504C (en) *
US2762486A (en) * 1950-12-22 1956-09-11 Constantin P Lent Typewriter with multiple type faces
US3164084A (en) * 1962-01-18 1965-01-05 Burroughs Corp High speed belt printer with internal hammer
GB1140629A (en) * 1966-05-31 1969-01-22 Friden Inc High-speed character belt printer
US3745918A (en) * 1971-12-23 1973-07-17 Ibm Wide base type carrier
FR2375047A1 (en) * 1976-12-27 1978-07-21 Ibm PRINTING ELEMENT IN CARTRIDGE FOR SINGLE PRINTING ELEMENT PRINTER

Also Published As

Publication number Publication date
JPS56129188A (en) 1981-10-09
EP0034484A1 (en) 1981-08-26
ES499542A0 (en) 1982-05-01
AU6730181A (en) 1981-08-27
CA1170600A (en) 1984-07-10
ES8204656A1 (en) 1982-05-01
GR73695B (en) 1984-04-03
BR8100979A (en) 1981-08-25

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