JPH0436865B2 - - Google Patents

Info

Publication number
JPH0436865B2
JPH0436865B2 JP58005596A JP559683A JPH0436865B2 JP H0436865 B2 JPH0436865 B2 JP H0436865B2 JP 58005596 A JP58005596 A JP 58005596A JP 559683 A JP559683 A JP 559683A JP H0436865 B2 JPH0436865 B2 JP H0436865B2
Authority
JP
Japan
Prior art keywords
hammer
permanent magnet
printing
yoke
rebound
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
JP58005596A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59131480A (ja
Inventor
Nobuo Kaneko
Takeshi Takemoto
Hiroshi Yasuda
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.)
Ricoh Elemex Corp
Ricoh Co Ltd
Original Assignee
Ricoh Elemex Corp
Ricoh Co 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
Application filed by Ricoh Elemex Corp, Ricoh Co Ltd filed Critical Ricoh Elemex Corp
Priority to JP58005596A priority Critical patent/JPS59131480A/ja
Priority to US06/570,492 priority patent/US4530280A/en
Priority to DE19843401420 priority patent/DE3401420A1/de
Publication of JPS59131480A publication Critical patent/JPS59131480A/ja
Publication of JPH0436865B2 publication Critical patent/JPH0436865B2/ja
Granted 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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/26—Means for operating hammers to effect impression
    • B41J9/38—Electromagnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
JP58005596A 1983-01-17 1983-01-17 印字ハンマ機構 Granted JPS59131480A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58005596A JPS59131480A (ja) 1983-01-17 1983-01-17 印字ハンマ機構
US06/570,492 US4530280A (en) 1983-01-17 1984-01-13 Printing hammer assembly with a hammer dampener comprising two opposed permanent magnets
DE19843401420 DE3401420A1 (de) 1983-01-17 1984-01-17 Druckhammeranordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58005596A JPS59131480A (ja) 1983-01-17 1983-01-17 印字ハンマ機構

Publications (2)

Publication Number Publication Date
JPS59131480A JPS59131480A (ja) 1984-07-28
JPH0436865B2 true JPH0436865B2 (en]) 1992-06-17

Family

ID=11615607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58005596A Granted JPS59131480A (ja) 1983-01-17 1983-01-17 印字ハンマ機構

Country Status (3)

Country Link
US (1) US4530280A (en])
JP (1) JPS59131480A (en])
DE (1) DE3401420A1 (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0335558Y2 (en]) * 1985-02-28 1991-07-29
IT1185817B (it) * 1985-06-28 1987-11-18 Olivetti & Co Spa Dispositivo di stampa per macchine per scrivere
GB2187138B (en) * 1986-02-27 1991-01-30 Brother Ind Ltd Printing hammer device
IT1235057B (it) * 1989-06-08 1992-06-17 C Olivetti & C S P A Sede Via Dispositivo di battuta per macchine stampanti
US5906157A (en) * 1998-05-06 1999-05-25 Banctec, Inc. High speed impact print hammer
US7905573B2 (en) * 2007-06-19 2011-03-15 Ricoh Company, Ltd. Liquid ejection head with nozzle plate deformed by heat and image forming apparatus including the liquid election head

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117256A (en) * 1961-01-03 1964-01-07 Ibm Electromechanical transducer
DE2045517A1 (de) * 1970-09-04 1972-03-09 Buxton E Solenoidgesteuerter Druckmechanismus
US4062285A (en) * 1975-10-15 1977-12-13 Xerox Corporation Hammer driver controller for impact printers
DE2853301A1 (de) * 1978-12-09 1980-07-17 Walter Frenkel Elektromagnet (kurzhubmagnete) mit permanentmagnetischer rueckholung und daempfung des ankers
JPS5624182A (en) * 1979-08-02 1981-03-07 Canon Inc Printer
JPS5959479A (ja) * 1982-09-29 1984-04-05 Ricoh Co Ltd 印字ハンマ機構

Also Published As

Publication number Publication date
US4530280A (en) 1985-07-23
JPS59131480A (ja) 1984-07-28
DE3401420C2 (en]) 1991-04-11
DE3401420A1 (de) 1984-07-19

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