EP0028539A3 - Print hammer assembly - Google Patents

Print hammer assembly Download PDF

Info

Publication number
EP0028539A3
EP0028539A3 EP80303951A EP80303951A EP0028539A3 EP 0028539 A3 EP0028539 A3 EP 0028539A3 EP 80303951 A EP80303951 A EP 80303951A EP 80303951 A EP80303951 A EP 80303951A EP 0028539 A3 EP0028539 A3 EP 0028539A3
Authority
EP
European Patent Office
Prior art keywords
hammer assembly
print hammer
print
assembly
hammer
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.)
Granted
Application number
EP80303951A
Other versions
EP0028539A2 (en
EP0028539B1 (en
Inventor
Andrew Gabor
Richard G. Crystal
Enrique J. Klein
Michiel Frankhuizen
William D. Rempel
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 US06/091,657 external-priority patent/US4324497A/en
Priority claimed from US06/091,605 external-priority patent/US4327639A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of EP0028539A2 publication Critical patent/EP0028539A2/en
Publication of EP0028539A3 publication Critical patent/EP0028539A3/en
Application granted granted Critical
Publication of EP0028539B1 publication Critical patent/EP0028539B1/en
Expired 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
    • B41J9/02—Hammers; Arrangements thereof
    • B41J9/04—Hammers; Arrangements thereof of single hammers, e.g. travelling along printing line
EP19800303951 1979-11-05 1980-11-05 Print hammer assembly Expired EP0028539B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US9164579A 1979-11-05 1979-11-05
US9165879A 1979-11-05 1979-11-05
US91645 1979-11-05
US91605 1979-11-05
US06/091,657 US4324497A (en) 1979-11-05 1979-11-05 Print hammer assembly with amplified multi-location impacts
US06/091,605 US4327639A (en) 1979-11-05 1979-11-05 Print hammer assembly with multi-location impacts
US9164679A 1979-12-19 1979-12-19
US91646 1979-12-19
US91657 1993-12-17
US91658 1998-07-02

Publications (3)

Publication Number Publication Date
EP0028539A2 EP0028539A2 (en) 1981-05-13
EP0028539A3 true EP0028539A3 (en) 1982-05-26
EP0028539B1 EP0028539B1 (en) 1986-04-09

Family

ID=27536610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800303951 Expired EP0028539B1 (en) 1979-11-05 1980-11-05 Print hammer assembly

Country Status (2)

Country Link
EP (1) EP0028539B1 (en)
DE (1) DE3071538D1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061277A (en) * 1983-09-14 1985-04-09 レックスマーク・インターナショナル・インコーポレーテッド Printer
US4525086A (en) * 1983-09-14 1985-06-25 International Business Machines Corporation Solenoid actuated pivotal printer hammer mechanism
CA1260861A (en) * 1985-07-02 1989-09-26 John C. Dunfield Impact mechanism for quiet impact printer
US4737043A (en) * 1985-07-02 1988-04-12 Xerox Corporation Impact mechanism for quiet impact printer
US4678355A (en) * 1985-07-02 1987-07-07 Xerox Corporation Print tip contact sensor for quiet impact printer
US4681469A (en) * 1985-07-02 1987-07-21 Xerox Corporation Quiet impact printer
US4686900A (en) * 1985-12-05 1987-08-18 Xerox Corporation Impact printer with application of oblique print force
US5199804A (en) * 1991-05-31 1993-04-06 Smith Corona Corporation Quiet impact printer mechanism
US5174671A (en) * 1991-10-28 1992-12-29 Smith Corona Corporation Printing mechanism with print hammer having noise dampener

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472352A (en) * 1967-06-28 1969-10-14 Burroughs Corp High speed serial printer
US3643594A (en) * 1968-06-11 1972-02-22 Sits Soc It Telecom Siemens Print hammer for high-speed printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472352A (en) * 1967-06-28 1969-10-14 Burroughs Corp High speed serial printer
US3643594A (en) * 1968-06-11 1972-02-22 Sits Soc It Telecom Siemens Print hammer for high-speed printer

Also Published As

Publication number Publication date
EP0028539A2 (en) 1981-05-13
EP0028539B1 (en) 1986-04-09
DE3071538D1 (en) 1986-05-15

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