IT1148842B - Martelletto di stampa elettromagnetico - Google Patents

Martelletto di stampa elettromagnetico

Info

Publication number
IT1148842B
IT1148842B IT22714/80A IT2271480A IT1148842B IT 1148842 B IT1148842 B IT 1148842B IT 22714/80 A IT22714/80 A IT 22714/80A IT 2271480 A IT2271480 A IT 2271480A IT 1148842 B IT1148842 B IT 1148842B
Authority
IT
Italy
Prior art keywords
hammer
armature
mass
stem
magnetic
Prior art date
Application number
IT22714/80A
Other languages
English (en)
Other versions
IT8022714A0 (it
Inventor
Chong Lee Ho
David Louis Rickenbach
Jack Louis Zable
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT8022714A0 publication Critical patent/IT8022714A0/it
Application granted granted Critical
Publication of IT1148842B publication Critical patent/IT1148842B/it

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
    • 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
    • B41J9/127—Mounting of hammers
    • 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
    • B41J9/133—Construction of hammer body or tip

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
  • Electronic Switches (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
IT22714/80A 1979-07-11 1980-06-11 Martelletto di stampa elettromagnetico IT1148842B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/056,486 US4269117A (en) 1979-07-11 1979-07-11 Electro-magnetic print hammer

Publications (2)

Publication Number Publication Date
IT8022714A0 IT8022714A0 (it) 1980-06-11
IT1148842B true IT1148842B (it) 1986-12-03

Family

ID=22004718

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22714/80A IT1148842B (it) 1979-07-11 1980-06-11 Martelletto di stampa elettromagnetico

Country Status (10)

Country Link
US (1) US4269117A (it)
EP (1) EP0022480B1 (it)
JP (1) JPS5615378A (it)
AT (1) ATE3622T1 (it)
AU (1) AU528596B2 (it)
BR (1) BR8004295A (it)
CA (1) CA1139004A (it)
DE (1) DE3063597D1 (it)
ES (1) ES493278A0 (it)
IT (1) IT1148842B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397234A (en) * 1981-12-30 1983-08-09 International Business Machines Corporation Electromagnetic print hammer coil assembly
US4423675A (en) 1982-03-08 1984-01-03 Hewlett-Packard Company Magnetic circuit and print hammer
US4522122A (en) * 1983-05-03 1985-06-11 Ncr Canada Ltd - Ncr Canada Ltee Fast impact hammer for high speed printer
US4503768A (en) * 1983-07-11 1985-03-12 Mannesmann Tally Corporation Single piece hammer module
US4703689A (en) * 1985-09-20 1987-11-03 International Business Machines Corporation Two lever print actuator with aligned pivots and energy transfer surfaces
US4756246A (en) * 1987-10-13 1988-07-12 International Business Machines Corporation Lubrication system for print hammer pivot pin
CA2040993C (en) * 1990-04-25 2001-08-07 Yoshiaki Inoue Oxygen absorbent composition and method of preserving article with same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195453A (en) * 1962-12-26 1965-07-20 Potter Instrument Co Inc Magnetically actuated print hammer
US3266418A (en) * 1963-12-02 1966-08-16 Anelex Corp Print hammer assembly for high speed printers
FR1501069A (fr) * 1965-09-30 1967-11-10 Olivetti General Electric Spa Module d'impression pour imprimante à grande vitesse
US3459976A (en) * 1966-07-05 1969-08-05 Mohawk Data Sciences Corp Rotary electrodynamic driver
US3547028A (en) * 1968-02-02 1970-12-15 Sherwood Medical Ind Inc Vibratable platen means in selective printing machines
US3714892A (en) * 1970-10-20 1973-02-06 Odec Computer Syst Inc Impact hammer for liner printer
US3711804A (en) * 1971-04-15 1973-01-16 Ibm Magnetically restorable high speed print hammer
GB1331212A (en) * 1971-04-15 1973-09-26 Ibm Electromagnetic actuator
US3741113A (en) * 1971-06-25 1973-06-26 Ibm High energy print hammer unit with fast settle out
US3747521A (en) * 1971-06-25 1973-07-24 Ibm Low cost hammer unit
US3919933A (en) * 1973-10-05 1975-11-18 Potter Instrument Co Inc High speed printer
US4018155A (en) * 1975-06-02 1977-04-19 Mohawk Data Sciences Corporation Ballistic print hammer assembly
US4233894A (en) * 1978-06-02 1980-11-18 Printronix, Inc. Print hammer mechanism having dual pole pieces

Also Published As

Publication number Publication date
EP0022480A1 (de) 1981-01-21
AU528596B2 (en) 1983-05-05
US4269117A (en) 1981-05-26
BR8004295A (pt) 1981-01-27
CA1139004A (en) 1983-01-04
AU5901480A (en) 1981-01-15
JPS5615378A (en) 1981-02-14
ATE3622T1 (de) 1983-06-15
JPH0331586B2 (it) 1991-05-07
EP0022480B1 (de) 1983-06-01
ES8102915A1 (es) 1981-02-16
ES493278A0 (es) 1981-02-16
IT8022714A0 (it) 1980-06-11
DE3063597D1 (en) 1983-07-07

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951206