EP0334548A3 - Device to assure paper flatness and pen-to-paper spacing during printing - Google Patents

Device to assure paper flatness and pen-to-paper spacing during printing Download PDF

Info

Publication number
EP0334548A3
EP0334548A3 EP89302573A EP89302573A EP0334548A3 EP 0334548 A3 EP0334548 A3 EP 0334548A3 EP 89302573 A EP89302573 A EP 89302573A EP 89302573 A EP89302573 A EP 89302573A EP 0334548 A3 EP0334548 A3 EP 0334548A3
Authority
EP
European Patent Office
Prior art keywords
paper
assure
pen
during printing
flatness
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
EP89302573A
Other versions
EP0334548B1 (en
EP0334548A2 (en
Inventor
Kent D. Vincent
John P. Ertel
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0334548A2 publication Critical patent/EP0334548A2/en
Publication of EP0334548A3 publication Critical patent/EP0334548A3/en
Application granted granted Critical
Publication of EP0334548B1 publication Critical patent/EP0334548B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3082—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means on the print head carriage, e.g. for rotation around a guide bar or using a rotatable eccentric bearing
    • 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
    • B41J19/00—Character- or line-spacing mechanisms
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
EP19890302573 1988-03-21 1989-03-15 Device to assure paper flatness and pen-to-paper spacing during printing Expired - Lifetime EP0334548B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17050788A 1988-03-21 1988-03-21
US170507 1998-10-13

Publications (3)

Publication Number Publication Date
EP0334548A2 EP0334548A2 (en) 1989-09-27
EP0334548A3 true EP0334548A3 (en) 1990-03-21
EP0334548B1 EP0334548B1 (en) 1993-12-22

Family

ID=22620121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890302573 Expired - Lifetime EP0334548B1 (en) 1988-03-21 1989-03-15 Device to assure paper flatness and pen-to-paper spacing during printing

Country Status (4)

Country Link
EP (1) EP0334548B1 (en)
JP (1) JPH026170A (en)
DE (1) DE68911564T2 (en)
HK (1) HK128194A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3584044B2 (en) * 1991-06-18 2004-11-04 セイコーエプソン株式会社 Inkjet printer
EP0650846B1 (en) * 1993-10-29 1998-12-09 Hewlett-Packard Company Adaptive control of print head to medium distance in ink-jet printers
US5777635A (en) * 1996-01-31 1998-07-07 Lexmark International, Inc. Automatic printhead-to-paper gap adjustment
CH691961A5 (en) * 1996-03-05 2001-12-14 Olivetti Lexikon Spa Printer.
JP4472760B2 (en) * 2008-02-05 2010-06-02 セイコープレシジョン株式会社 Printer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2158841A5 (en) * 1971-09-29 1973-06-15 Philips Nv
US4010834A (en) * 1975-03-06 1977-03-08 U.S. Philips Corporation Printing device comprising a distance member
US4390292A (en) * 1981-11-03 1983-06-28 Zenith Radio Corporation Means and method for compensating for print medium thickness in line printers
US4727805A (en) * 1984-09-18 1988-03-01 Mannesmann Tally Gmbh Shuttle for matrix printers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766972A (en) * 1980-10-13 1982-04-23 Seiko Epson Corp Ink jet recorder
JPS60180876A (en) * 1984-02-29 1985-09-14 Fujitsu Ltd Head mechanism for thermal transfer printer
JPS6274676A (en) * 1985-09-30 1987-04-06 Tokyo Electric Co Ltd Printer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2158841A5 (en) * 1971-09-29 1973-06-15 Philips Nv
US4010834A (en) * 1975-03-06 1977-03-08 U.S. Philips Corporation Printing device comprising a distance member
US4390292A (en) * 1981-11-03 1983-06-28 Zenith Radio Corporation Means and method for compensating for print medium thickness in line printers
US4727805A (en) * 1984-09-18 1988-03-01 Mannesmann Tally Gmbh Shuttle for matrix printers

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 26, no. 3B, August 1983, pages 1476-1477, New York, US; D.K. REX: "Printhead spacing adjustment for paper thickness" *
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 21 (M-449)[2078], 28th January 1986; & JP-A-60 180 876 (FUJITSU K.K.) 14-9-1985 *
PATENT ABSTRACTS OF JAPAN, vol. 11, no. 272 (M-622)[2719], 4th September 1987; & JP-A-62 74 676 (TOKYO ELECTRIC CO. LTD) 06-04-1987 *
PATENT ABSTRACTS OF JAPAN, vol. 6, no. 146 (M-147)[1024], 5th August 1982; & JP-A-57 66 972 (SHINSHIYUU SEIKI K.K.) 23-04-1982 *

Also Published As

Publication number Publication date
JPH026170A (en) 1990-01-10
DE68911564T2 (en) 1994-06-09
EP0334548B1 (en) 1993-12-22
DE68911564D1 (en) 1994-02-03
EP0334548A2 (en) 1989-09-27
HK128194A (en) 1994-11-25

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