IT946987B - Azionatore magnetico di tipo per fezionato particolarmente per martelletti di stampa - Google Patents

Azionatore magnetico di tipo per fezionato particolarmente per martelletti di stampa

Info

Publication number
IT946987B
IT946987B IT19889/72A IT1988972A IT946987B IT 946987 B IT946987 B IT 946987B IT 19889/72 A IT19889/72 A IT 19889/72A IT 1988972 A IT1988972 A IT 1988972A IT 946987 B IT946987 B IT 946987B
Authority
IT
Italy
Prior art keywords
fezionato
magnetic actuator
type per
print hammers
hammers
Prior art date
Application number
IT19889/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT946987B publication Critical patent/IT946987B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Impact Printers (AREA)
  • Electromagnets (AREA)
IT19889/72A 1971-04-15 1972-01-28 Azionatore magnetico di tipo per fezionato particolarmente per martelletti di stampa IT946987B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13417671A 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
IT946987B true IT946987B (it) 1973-05-21

Family

ID=22462105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19889/72A IT946987B (it) 1971-04-15 1972-01-28 Azionatore magnetico di tipo per fezionato particolarmente per martelletti di stampa

Country Status (7)

Country Link
US (1) US3705370A (enExample)
JP (1) JPS536695B1 (enExample)
CA (1) CA948256A (enExample)
DE (1) DE2215014A1 (enExample)
FR (1) FR2136042A5 (enExample)
GB (1) GB1331212A (enExample)
IT (1) IT946987B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250315A5 (enExample) * 1973-11-06 1975-05-30 Honeywell Bull Soc Ind
US4392423A (en) * 1978-02-08 1983-07-12 Hitachi, Ltd. Printing hammer driving apparatus
JPS5536969A (en) * 1978-09-07 1980-03-14 Canon Inc Electromagnetic device
US4269117A (en) * 1979-07-11 1981-05-26 International Business Machines Corporation Electro-magnetic print hammer
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
US4493253A (en) * 1983-11-23 1985-01-15 Ncr Canada Ltd. Variable impact printing means
US4852481A (en) * 1988-07-14 1989-08-01 L. James Hubbard Print hammer mechanism

Also Published As

Publication number Publication date
GB1331212A (en) 1973-09-26
DE2215014A1 (de) 1972-10-26
FR2136042A5 (enExample) 1972-12-22
CA948256A (en) 1974-05-28
JPS536695B1 (enExample) 1978-03-10
US3705370A (en) 1972-12-05

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